The present invention concerns a method and relative means for the construction of a building comprising wooden wall panels and wooden floor panels.

A method and relative means for the construction of a building comprising wooden wall panels and wooden floor panels are known.

The international patent application no. PCT/IB2016/054005, by the same applicant, discloses a method for the construction of a building comprising wooden wall and floor panels, for example of X-LAM ("Cross Laminated Timber") type, comprising the steps of:

- providing a plurality of wooden panels capable of defining the walls and/or the floors of a building;

- providing the sides of said panels with holes along axes substantially parallel to the plane of the panel;

- providing a connection joint for said wooden wall panels, wherein said step of providing a connection joint comprises the steps of:

- providing a plurality of internally threaded ferrules;

- permanently engaging the ferrules in the holes of the panels;

- providing a plurality of securing brackets provided with holes or slots for the passage of bolts;

- securing the brackets to the panels engaging the bolts in the ferrules;

- providing a node provided with holes or slots for the passage of elements for securing the brackets to the node, wherein the node comprises a guide sleeve; - providing an interconnecting rod;

- associating said rod with a plurality of nodes inserting the rod into the guide sleeve of each node, or engaging one end of the rod in the foundation of a building.

While the invention forming the subject matter of the aforesaid international ap- plication represents an improvement with respect to the state of the art in the construction of a building comprising wooden panels, it concerns a method of vertical connection, provided in points (connectors glued horizontally at the center of the walls) secured by means of bolts to the box-like steel attachments. Moreover, in the building structure constructed with the aforesaid prior art method the structural elements for attaching the panels are not completely concealed inside the walls and floors made of X-lam, and therefore do not protect all the steel parts from fire and corrosion, and do not eliminate electromagnetic fields.

On the other hand, building structures constructed with the aforesaid prior art method are subject to permanent structural damages if subjected to seismic events, as the metal structural attachment elements undergo irreversible deformation that makes it difficult, if not impossible, to restore the structure to condi- tions of safety and habitability.

The main aim of the present invention is to provide a method and the relative means for the construction of a building comprising wooden wall panels and wooden floor panels, which makes it possible to:

- create a continuous vertical connection for the entire height of each wall of the building, with respect to metal reinforcing means, so as to obtain a continuous connection on the entire height of the walls, for example made of X-lam, making the construction system solid in its entirety;

- ensure improved air-tightness and moisture-tightness, reduction of noise and vibrations in the building constructed;

- protect all the metal parts of the building constructed against fire and corrosion, and eliminate electromagnetic fields;

- create an anti-seismic building elastically scaled with unitary behaviour factor (q = 1 ), so as to protect human life and heritage;

- create a building in which the structural materials used are environmentally friendly (90% wood) and 100% recyclable.

In view of these objects, the present invention provides a method and relative means for the construction of a building comprising wooden wall panels and wooden floor panels, the essential characteristic of which forms the subject matter of the main claim, while further advantageous characteristics of the invention are described in the dependent claims.

In particular, the method for the construction of a building comprising wooden wall panels and wooden floor panels, essentially comprises the steps of: - providing a plurality of wooden panels capable of defining the walls of a building, or so-called wall panels, wherein each wall panel has two opposing vertical side faces, a pair of vertical opposing sides and a pair of horizontal opposing sides, and of these horizontal sides one is higher and the other is lower;

- providing at least one vertical side of each wall panel with a respective continuous longitudinal groove, forming a corresponding longitudinally grooved side of the wall panel;

- stably juxtaposing in a vertical arrangement at least two wall panels in a position corresponding to respective longitudinally grooved sides, forming be- tween said at least two wall panels a respective vertical wall formwork cavity, open at least at the upper vertical end and extending substantially for the entire height of said at least two wall panels juxtaposed with one another;

- providing in the lower end area of said wall formwork cavity at least one corresponding lower fluid injection channel;

- providing in the upper end area of said wall formwork cavity, respectively above said wall formwork cavity, at least one corresponding upper vent opening;

- introducing into said wall formwork cavity at least one vertical metallic building reinforcing element, of a length substantially equal to or greater than the height of said at least two wall panels juxtaposed with one another, thereby pro- viding a free cavity between said at least one reinforcing element and said wall formwork cavity;

- providing means for the pressure injection of a hardening adhesive, comprising nozzle delivery means capable of airtight engagement of said at least one lower fluid injection channel of said wall formwork cavity;

- air-tightly inserting said nozzle delivery means of said pressure injection means of a hardening adhesive into said lower channel of said wall formwork cavity;

- pressure injecting from below, by means of said pressure injection means and through said at least one lower fluid injection channel, of a quantity of hardening adhesive to fill at least said cavity of said wall formwork cavity, having the air vent through said at least one upper vent opening;

- hardening the quantity of hardening adhesive pressure injected from below at least into said cavity of said further wall formwork cavity, thereby forming a solid body including the quantity of hardened adhesive in said wall formwork cavity, together with said at least two overlying wall panels, juxtaposed with one another side by side in a vertical arrangement, and said at least one vertical building reinforcing element placed in said at least one wall formwork cavity.

Moreover, the method for the construction of a building according to the present invention essentially comprises the steps of:

- providing a plurality of wooden panels capable of defining the floors of a building, or so-called floor panels, wherein each floor panel has two opposing horizontal side faces, of which one is higher and the other is lower, and a plurality of sides;

- superposing at least one floor panel of said plurality of floor panels, in a horizontal arrangement, with respect to said at least two wall panels juxtaposed with one another in a vertical arrangement, superposing said at least one floor panel with respect to at least one wall formwork cavity;

- providing a vertical opening in said at least one floor panel, by substantially making said opening correspond, in terms of form and arrangement, with said at least one wall formwork cavity, creating a corresponding floor panel opening extending vertically and above said at least one wall formwork cavity;

- introducing said at least one vertical building reinforcing element into said wall formwork cavity through said corresponding floor panel opening, said at least one reinforcing element being extended with an upper end as far as the upper horizontal side face of said floor panel, respectively beyond the upper horizontal side face of said floor panel by means of a corresponding stretch of pro- jecting vertical reinforcing element;

- providing a free cavity between said vertical building reinforcing element, said wall formwork cavity and said opening of said at least one floor panel;

- air-tightly inserting said nozzle delivery means of said pressure injection means of a hardening adhesive into said lower channel of said wall formwork cavity;

- pressure injecting from below, by means of said pressure injection means and through said lower fluid injection channel, of a quantity of hardening adhesive to fill at least said cavity of said wall formwork cavity and said cavity of said opening of said at least one floor panel, having the air vent through said same opening of said floor panel;

- hardening the quantity of hardening adhesive pressure injected from below into said cavity of said wall formwork cavity and into said cavity of said open- ing in said at least one floor panel,

thereby forming a solid body including the quantity of hardened adhesive in said wall formwork cavity and in the corresponding opening of said at least one floor panel, together with said at least two wall panels kept juxtaposed with one another side by side in a vertical arrangement, said at least one floor panel being superposed in a horizontal arrangement and said at least one vertical building reinforcing element being arranged in said at least one wall formwork cavity and corresponding opening in said at least one floor panel.

Moreover, the method for the construction of a building comprising wooden wall panels and wooden floor panels, essentially comprises the steps of:

- providing a plurality of wooden panels capable of defining the floors of a building, or so-called floor panels, wherein each floor panel PS has two opposing horizontal side faces, of which one is higher and the other is lower, and a plurality of sides;

- providing at least one side of each floor panel of said plurality of floor panels with at least one respective transversal side hollow, open on the upper horizontal side face and on said at least one side of said floor panel, thereby forming a corresponding upper transversely hollowed side of the floor panel;

- superposing at least two floor panels of said plurality of floor panels, in a horizontal arrangement, with respect to at least two wall panels stably juxtaposed with one another in a vertical arrangement and level with respect to said foundation means;

- juxtaposing with one another in a horizontal arrangement said at least two floor panels in a position corresponding to the respective upper transversely hollowed sides, thereby forming, by means of respective opposing transversal side hollows, at least one respective single formwork cavity comprising at least two side hollows of said at least two juxtaposed floor panels, open at the top and having a depth corresponding to at least part of the thickness of said at least two floor panels juxtaposed with one another; - providing a plurality of metallic floor reinforcing elements of a height less than the depth of said floor panel formwork cavity, and capable of providing a free cavity between the side wall of said formwork cavity and said floor reinforcing element;

- introducing a floor reinforcing element into said at least one formwork cavity of floor panels, of a height equal to or less than the depth of said floor panel formwork cavity, providing a free cavity IS between the side wall of said formwork cavity and said floor reinforcing element;

- pouring into said at least one floor panel formwork cavity a quantity of hardening adhesive to fill at least the cavity of said at least one formwork cavity;

- hardening the quantity of hardening adhesive poured into said cavity of said at least one floor panel,

thereby forming a solid body including the quantity of hardened adhesive in said at least one floor panel formwork cavity, together with said at least two floor pan- els juxtaposed in a horizontal arrangement and said floor reinforcing element arranged in said at least one floor panel formwork cavity.

Furthermore, the method for the construction of a building according to the present invention essentially comprises the steps of:

- providing, by means of superposing at least one further wall panel on at least one floor panel overlying at least one wall panel, a plurality of watertight vertical chambers for housing a corresponding assembly pin, each of the chambers including a respective base assembly hole -- formed by means of a through hole in said at least one floor panel and a respective blind coaxial upper hole provided in the upper area of said at least one wall panel ~ and a respective lower blind assembly hole in said at least one further wall panel, adjacent and coaxial to one another, and providing in each assembly chamber a free cavity formed from said cavities and of the respective base assembly holes and lower blind assembly hole;

- providing each blind hole of said plurality of lower assembly holes with a fluid relief channel, which places in watertight communication a respective upper end area of the hole with the surface of at least one vertical side face of said at least one further wall panel; - providing pressure injection means for a hardening adhesive, comprising nozzle delivery means capable of airtight engagement of said lower injection channel provided in each upper hole of said at least one wall panel;

- inserting said nozzle delivery means of said pressure injection means for a hardening adhesive in a watertight manner into said lower injection channel and pressure injecting from below, through said lower channel, a quantity of hardening adhesive to fill said vertical chamber housing a relative assembly pin, having the air vent through said upper relief channel provided in said lower assembly hole of said at least one further wall panel;

- hardening the quantity of hardening adhesive injected into each cavity of each of said housing chambers for respective assembly pins, thereby forming a solid body including the quantity of hardened adhesive in each housing chamber, said at least one lower wall panel, said at least one superposed floor panel and said at least one further overlying wall panel, as well as said plurality of assembly pins inserted in said respective housing chambers.

The present invention will become more apparent from the following detailed description, with reference to the drawing attached hereto, which is purely exemplary and therefore non-limiting, in which:

- Fig. 1 is a schematic perspective top view illustrating a first step of a first stage of the method for the construction of a building according to the present invention;

- Figs. 1 a, 1 b, 1 c and 1 d are detailed views, in enlarged scale, of the details a, b, c and d of Fig. 1 ;

- Fig. 2 is a schematic perspective top view illustrating a second step of a first stage of the method for the construction of a building according to the present invention;

- Figs. 2a, 2b, 2c and 2d are detailed views, in enlarged scale, of the details a, b, c and d of Fig. 2;

- Fig. 3 is a schematic perspective top view illustrating a second stage of the method for the construction of a building according to the present invention;

- Figs. 3a and 3b are detailed views, in enlarged scale, of the details a and b of Fig. 3; - Fig. 4 is a schematic perspective top view illustrating a first step of a third stage of the method for the construction of a building according to the present invention;

- Figs. 4a and 4b are detailed views, in enlarged scale, of the details a and b of Fig. 4;

- Fig. 5 is a schematic perspective top view illustrating a second step of a third stage of the method for the construction of a building according to the present invention;

- Fig. 5a is a detailed view, in enlarged scale, of the detail a of Fig. 5;

- Fig. 6 is a schematic perspective top view illustrating a third step of a third stage of the method for the construction of a building according to the present invention;

- Fig. 6a is a detailed view, in enlarged scale, of the detail a of Fig. 6;

- Fig. 7 is a schematic perspective top view illustrating a fifth stage of the method for the construction of a building according to the present invention;

- Figs. 7a and 7b are detailed views, in enlarged scale, of the details a and b of Fig. 7;

- Fig. 8 is a partial perspective view of a pair of metallic building reinforcing elements, used for the implementation of the method according to the invention; - Fig. 9 is a view similar to that of Fig. 8, but showing said reinforcing elements in a different scale and in their overall extension.

Description of an example of embodiment of the method for the construction of a building according to the present invention

With reference to the figures of the accompanying drawing, preliminarily, there are constructed foundation means F, having an upper horizontal foundation plane S, wherein are opened holes FF for a plurality of foundation holes, provided with essentially vertical axes, contained in respective vertical planes.

According to the example illustrated, the foundation means F having a layout essentially in the shape of an equilateral cross, and said foundation holes FF are respectively contained in two vertical planes orthogonal to one another.

Moreover, said foundation holes FF are mutually spaced, in each vertical plane and along each branch of said equilateral cross structure, according to predetermined distances. STAGE I - The method for the construction of a building according to the present invention comprises, firstly, the following steps consisting of:

- providing for each foundation hole FF a respective metallic assembly pin 1 1 , comprising a pin stem 1 1 .1 . In the example illustrated, said assembly pin 1 1 with stem 1 1 .1 is created as a length of metal bar;

- fastening, with respect to said foundation means F and in each foundation hole FF, a respective assembly pin 1 1 , the stem 1 1 .1 of which is arranged essentially vertically and coaxial with respect to the hole FF and projecting upwards from said upper foundation plane S for a predetermined height;

- inserting and coaxially fixing to each assembly pin stem 1 1 .1 a first lower assembly sleeve 12.1 , projecting with respect to said upper foundation plane S and provided with first external spacer means 12.10, extended in the direction of a first maximum radial extension r1 with respect to the axis of said assembly pin stem 1 1 .1 , and with a second upper assembly sleeve 12.2, placed in the prox- imity of the upper free end of said assembly pin stem 1 1 .1 and provided with second external spacer means 12.20, extended in the direction of a second maximum radial extension r2 with respect to the axis of said assembly pin stem 1 1 .1 . It can be noted that in the example illustrated, said second maximum radial extension r2 is less than said first maximum radial extension r1 ;

- providing a plurality of wooden panels capable of defining the walls of a building, or so-called wall panels PP, wherein each wall panel PP has two opposing vertical side faces PPV, a pair of vertical opposing sides PPF1 and a pair of horizontal opposing sides PPF2, one higher and the other lower;

- providing the lower horizontal sides PPF2 of each of the panels PP of said plurality of wall panels, with a plurality of blind lower assembly holes T1 , extended along axes that are substantially parallel to the vertical side faces PPV, and corresponding in terms of arrangement, with a respective plurality of stems 1 1 .1 of assembly pins 1 1 arranged with vertical axes contained in a respective vertical plane, wherein each of said lower assembly holes T1 has a depth at least equal to the height of the stem 1 1 .1 of a corresponding assembly pin 1 1 projecting from said upper foundation plane S, an internal diameter less than said first maximum radial extension r1 and substantially equal to or greater than said second maximum radial extension r2 of said first spacer means 12.10 and of said second spacer means 12.20, respectively, so that said second spacer means 12.20 are capable of performing automatic centering and said first spacer means 12.10 of fastening by interference the corresponding pin stem 1 1 .1 inside the respective assembly hole T1 ;

- providing each assembly hole T1 of said plurality of lower assembly holes with two fluid channels, a lower injection channel CI and an upper relief channel CS, which place in watertight communication a respective lower end area and a respective upper end area of the assembly hole T1 with the surface of at least one side face PPV of the respective wall panel PP;

- providing at least one vertical side PPF1 of each wall panel PP with a respective continuous longitudinal groove SL, forming a corresponding longitudinally grooved side of the wall panel;

- juxtaposing in a vertical arrangement at least two wall panels PP in a position corresponding to respective longitudinally grooved sides, forming be- tween said at least two wall panels a first respective vertical wall formwork cavity CA, open at least at the upper vertical end and extending substantially for the entire height of said at least two wall panels PP juxtaposed with one another;

- providing in the lower end area of said first wall formwork cavity CA at least one corresponding lower fluid injection channel CI, which places in water- tight communication said lower end area with the surface of at least one side face of at least one of said at least two wall panels PP juxtaposed with one another;

- providing in the upper end area of said first wall formwork cavity CA a corresponding upper vent opening, through said continuous grooves SL;

- resting the respective lower horizontal sides PPF2 of said at least two wall panels PP, juxtaposed side by side and between them forming said respective first vertical wall formwork cavity CA, on said upper foundation plane S and inserting into the plurality of lower assembly holes T1 of each of said at least two wall panels PP a corresponding plurality of stems 1 1 .1 of assembly pins 1 1 con- tained in a respective vertical plane;

- placing each stem 1 1 .1 of a coaxial assembly pin 1 1 inside a respective assembly hole T1 of a respective wall panel PP resting on said upper foundation plane S, positioning the relative first assembly sleeve 12.1 in a position substan- tially corresponding with said lower injection channel CI and the relative second assembly sleeve 12.2 in a position substantially corresponding with said upper relief channel CS, thereby providing a free cavity between the side wall of said hole T1 and said stem 1 1 .1 ;

- providing a removable assembly tool UA provided with a tool body CUA capable of engaging by means of a shape and/or forced coupling with a vertical section of said first vertical formwork wall cavity CA;

- inserting from the top said tool body CUA of the assembly tool into the upper end area of said first vertical formwork wall cavity CA, and thereby creating between said assembly tool UA and said at least two wall panels a shape and/or forced coupling, keeping said at least two wall panels PP juxtaposed with one another in a vertical arrangement corresponding with respective longitudinally grooved sides;

- providing removable mechanical connecting means SQ, capable of con- necting said at least two wall panels PP kept juxtaposed in a vertical arrangement between one another and with respect to said upper foundation plane S. In the example illustrated, said connecting means are created as metallic brackets with through holes for fixing screws;

- temporarily connecting, by means of said removable mechanical con- necting means SQ, said at least two wall panels PP kept juxtaposed in a vertical arrangement between one another and level with respect to said foundation means F by means of said assembly tool UA;

- removing said tool body CUA of the assembly tool UA from said first wall formwork cavity CA;

- providing pressure injection means for a hardening adhesive, comprising nozzle delivery means capable of airtight engagement of said at least one lower fluid injection channel CI of said wall formwork cavity CA, as well as said at least one lower fluid injection channel CI of each of said lower holes T1 of the wall panels PP. According to the example illustrated, said pressure injection means are autoclaves, comprising a flexible hose for the pressurized delivery, through a corresponding injection nozzle, of a hardening adhesive, for example a two- component epoxy resin; - introducing said nozzle delivery means of said pressure injection means for a hardening adhesive in a watertight manner into said lower injection channel CI of each lower assembly hole T1 , and pressure injecting from below into said assembly hole T1 a quantity of hardening adhesive to fill said hole cavity, having the air vent through said upper relief channel CS of said assembly hole T1 ;

- hardening the quantity of hardening adhesive injected into each lower assembly hole T1 , thereby forming a solid body including the quantity of hardened adhesive in each lower assembly hole T1 of said at least two wall panels PP juxtaposed with one another, said at least two wall panels PP kept juxtaposed with one another in a vertical arrangement and level with respect to said foundation means F by means of said mechanical connecting means SQ, and said plurality of stems 1 1 .1 of assembly pins 1 1 inserted into the respective plurality of lower assembly holes T1 of said at least two wall panels PP;

- removing said removable mechanical connecting means SQ from said foundation means F and from said at least two wall panels PP stably juxtaposed with one another in a vertical arrangement and level with respect to said foundation means F;

- providing a plurality of metallic building reinforcing elements AR, of a length greater than the height of said at least two wall panels PP juxtaposed with one another and capable of being housed in said first wall formwork cavity CA, thereby providing a free cavity IT between said reinforcing element AR and said first wall formwork cavity CA;

- introducing into said first wall formwork cavity CA a vertical metallic building reinforcing element AR, of a length greater than the height of said at least two wall panels PP juxtaposed with one another, thereby providing a free cavity IT between said reinforcing element AR and said first wall formwork cavity;

- providing said pressure injection means for a hardening adhesive, comprising said nozzle delivery means capable of airtight engagement of said at least one lower fluid injection channel CI of said first wall formwork cavity CA;

- air-tightly inserting said nozzle delivery means of said pressure injection means of a hardening adhesive into said lower channel CI of said wall panel formwork cavity CA; - pressure injecting from below, by means of said pressure injection means and through said at least one lower fluid injection channel CI, a quantity of hardening adhesive to fill at least said cavity of said first wall formwork cavity CA, having the air vent through said at least one upper vent opening, including the top of said grooves SL of said first cavity CA;

- hardening the quantity of hardening adhesive pressure injected from below into said cavity IT of said first wall formwork cavity CA,

thereby forming a solid body including the quantity of hardened adhesive in said first wall formwork cavity CA, together with said at least two wall panels PP, kept stably juxtaposed with one another side by side in a vertical arrangement, and said vertical building reinforcing element AR placed in said at least one wall formwork cavity, while an upper end area of said vertical building reinforcement AR projects from the top.

STAGE II - The method for the construction of a building according to the present invention further comprises the steps of:

- providing a plurality of wooden panels capable of defining the floors of a building, or so-called floor panels PS, wherein each floor panel PS has two opposing horizontal side faces PSS, of which one is higher and the other is lower, and a plurality of sides PSF;

- providing at least one side PSF of each floor panel PS of said plurality of floor panels with at least one respective transversal side hollow CV, open on the upper horizontal side face PSS and on said at least one side PSF of said floor panel PS, thereby forming a corresponding upper transversely hollowed side of the floor panel;

- superposing at least two floor panels PS of said plurality of floor panels, in a horizontal arrangement, with respect to at least two wall panels PP stably juxtaposed with one another in a vertical arrangement and level with respect to said foundation means F;

- juxtaposing with one another in a horizontal arrangement said at least two floor panels PS in a position corresponding to the respective upper transversely hollowed sides, thereby forming, by means of respective opposing transversal side hollows CV, at least one respective single formwork cavity CVA comprising at least two side hollows CV of said at least two juxtaposed floor panels PS, open at the top and having a depth corresponding to at least part of the thickness of said at least two floor panels PS juxtaposed with one another;

- providing a plurality of metallic floor reinforcing elements AS of a height less than the depth of said floor panel formwork cavity CVA, and capable of pro- viding a free cavity IS between the side wall of said formwork cavity CVA and said floor reinforcing element AS;

- introducing a floor reinforcing element AS into said at least one formwork cavity CVA of floor panels PS, of a height substantially equal to or less than the depth of said floor panel formwork cavity CVA, providing a free cavity IS between the side wall of said formwork cavity CVA and said floor reinforcing element AS;

- pouring into said at least one floor panel formwork cavity CVA a quantity of hardening adhesive to fill al least the cavity IS of said at least one formwork cavity CVA. According to the example illustrated, the poured hardening adhesive is composed of a two-component epoxy resin;

- hardening the quantity of hardening adhesive poured into said cavity of said at least one floor panel formwork cavity CVA of floor panels PS,

thereby forming a solid body including the quantity of hardened adhesive in said at least one floor panel formwork cavity CVA, together with said at least two floor panels PS juxtaposed in a horizontal arrangement and said floor reinforcing ele- ment AS arranged in said at least one floor panel PS formwork cavity CVA.

STAGE III - Furthermore, the method for the construction of a building according to the present invention, comprises the steps of:

- superposing at least one floor panel PS, in a horizontal arrangement, with respect to at least one wall panel PP beneath, in a vertical arrangement, and providing in said at least one floor panel PS a plurality of through holes FP having vertical axes contained in a vertical plane aligned with said at least one wall panel PP;

- providing for each of said through holes FP of said at least one floor panel PS a respective coaxial blind hole FC in the upper area of said at least one wall panel PP, by creating in said superposed panels PS, PP a plurality of corresponding base assembly holes FB, having vertical axes and extending in part into the upper area of at least one wall panel PP and through at least one superposed floor panel PS; - providing each base assembly hole FB of said plurality of assembly holes with a lower fluid injection channel CI, which places in watertight communication a respective lower end area of the hole FB with the surface of at least one vertical side face PPV of said at least one wall panel PP;

- providing for each base assembly hole FB a respective assembly pin 13 comprising an assembly pin stem 13.1 ;

- providing each assembly pin stem 13.1 with a first fixed lower assembly sleeve 14.1 , placed in the proximity of a lower end of said assembly pin stem 13.1 and provided with first external spacer means 14.10, extended in the direc- tion of a first maximum radial extension R1 with respect to the axis of said assembly pin stem 13.1 , and with a fixed upper assembly sleeve 14.2, placed along said assembly pin stem 13.1 and provided with second external spacer means 14.20, extended in the direction of a second maximum radial extension R2 with respect to the axis of said assembly pin stem 13.1 , said second maximum radial extension R2 being greater than said first maximum radial extension R1 ;

- inserting into each base assembly hole FB said lower end of a respective assembly pin stem 13.1 , arranged coaxially and with the other end projecting at the top beyond the upper horizontal side face PSS of said at least one floor panel PS by means of a respective projecting vertical portion 13.10 of a prede- termined height;

- centering and fastening each assembly pin 13.1 at a distance from the side wall of the corresponding base assembly hole FB, forming a free cavity IL, by means of said first assembly sleeve 14.1 with relative first spacer means 14.10 housed at the lower end area of the respective base assembly hole FB, and by means of said second assembly sleeve 14.2 with relative second spacer means 14.20 housed in said through hole FP of said at least one floor panel PS;

- providing a plurality of further wall panels PP;

- providing the lower horizontal side PPF2 of at least one further wall panel PP with a respective plurality of blind lower assembly holes T1 extended along axes that are substantially vertical and corresponding in terms of arrangement, with a respective plurality of said stems 13.1 of assembly pins 13 contained in a vertical plane and fixed in respective base assembly holes FB, wherein each of said lower assembly holes T1 of said at least further wall panel PP has a depth substantially equal to or greater than the height of said projecting vertical portion 13.10 of a corresponding assembly pin stem 13.1 with respect to the upper horizontal side face PSS of said at least one floor panel PS, and an internal diameter greater than the transversal section of said projecting portion 13.10 of the respective assembly pin 13.1 ;

- resting the lower horizontal side PPF2 of said at least one further wall panel PP on said upper horizontal face PSS of said at least one floor panel PS and coaxially inserting in the respective plurality of lower assembly holes T1 of said at least one further wall panel a corresponding plurality of projecting portions 13.10 for respective assembly pins 13.1 fixed in respective base assembly holes FB, the stems 13.1 of said assembly pins being contained in a vertical plane, and providing a cavity IL1 between each stem 13.1 and the side wall of the corresponding hole T1 ;

- providing, by means of superposing said at least one further wall panel PP on said at least one floor panel PS, a plurality of watertight vertical chambers

CAL for housing a corresponding assembly pin 13, each of the chambers CAL including a respective base assembly hole FB and a respective lower assembly hole T1 of said at least one further wall panel PP, adjacent and coaxial to one another, and providing in each assembly chamber CAL a free cavity IL2 formed from said cavities IL and IL1 of the respective base assembly holes FB and lower assembly hole T1 ;

- providing each blind hole T1 of said plurality of lower assembly holes with a fluid relief channel CS, which places in watertight communication a respective upper end area of the hole T1 with the surface of at least one vertical side face PPV of said at least one further wall panel PP;

- providing said removable assembly tool UA provided with a tool body CUA capable of engaging by means of a shape and/or forced coupling with a vertical section of said first vertical formwork wall cavity CA;

- inserting from the top said tool body CUA of the assembly tool into the upper end area of said first vertical formwork wall cavity CA, and thereby creating between said assembly tool UA and said at least two wall panels a shape and/or forced coupling, keeping said at least two wall panels PP juxtaposed with one another in a vertical arrangement corresponding with respective longitudinally grooved sides;

- providing removable mechanical connecting means SQ, capable of connecting said at least two wall panels PP kept juxtaposed in a vertical arrange- ment between one another and with respect to said upper foundation plane S. In the example illustrated said connecting means are created as metal brackets with through holes for fixing screws;

- temporarily connecting, by means of said removable mechanical connecting means SQ, said at least two wall panels PP kept juxtaposed in a vertical arrangement between one another and level with respect to said foundation means F by means of said assembly tool UA;

- providing said pressure injection means for a hardening adhesive, comprising nozzle delivery means capable of airtight engagement of said lower injection channel CI provided in each upper hole FC of said at least one wall panel PP;

- inserting said nozzle delivery means of said pressure injection means for a hardening adhesive in a watertight manner into said lower injection channel CI and pressure injecting from below, through said lower channel CI, a quantity of hardening adhesive to fill said vertical chamber CAL housing a relative assembly pin, having the air vent through said upper relief channel provided in said lower assembly hole of said at least one further wall panel;

- hardening the quantity of hardening adhesive injected into each cavity IL2 of each of said housing chambers CAL for respective assembly pins 13, thereby forming a solid body including the quantity of hardened adhesive in each housing chamber CAL, said at least one lower wall panel PP, said at least one superposed floor panel PS and said at least one further overlying wall panel PP, as well as said plurality of assembly pins 13 inserted in said respective housing chambers CAL.

STAGE IV - It can also be noted that the method for the construction of a build- ing according to the present invention also comprises, for the further construction of the building, substantially the same steps described with reference to stage II, with the appropriate operational adaptations. STAGE V - It can also be noted that the method for the construction of a building according to the present invention further comprises the steps of:

- providing a plurality of further wall panels PP capable of being superposed on one or more floor panels;

- providing at least one vertical side PPF1 of at least two further overlying wall panels PP with a respective continuous longitudinal groove SL, forming a corresponding longitudinally grooved side of wall panel;

- juxtaposing with one another in a vertical arrangement said at least two further overlying wall panels PP in a position corresponding with the respective longitudinally grooved sides PPF1 , forming between said at least two further overlying wall panels PP a respective further vertical wall formwork cavity CA, open at the upper and lower vertical ends and extending substantially for the entire height of said at least two further overlying wall panels PP juxtaposed with one another;

- placing said further vertical wall formwork cavity CA in vertical alignment with said first vertical wall formwork cavity CA formed by said grooves SL of at least two underlying wall panels PP juxtaposed side by side and said opening of said at least one underlying floor panel PS;

- providing in the lower end area of said further wall formwork cavity CA at least one corresponding lower fluid injection channel CI ;

- providing in the upper end area of said wall formwork cavity CA, at least one corresponding upper vent opening by means of said grooves SL of said at least two further wall panels PP juxtaposed with one another;

- introducing into said further wall formwork cavity CA one further vertical metallic building reinforcing element AR, of a length greater than the height of said at least two further wall panels PP juxtaposed with one another, providing a free cavity IT between said further reinforcing element AR and said further wall formwork cavity CA;

- providing said pressure injection means for a hardening adhesive, com- prising said nozzle delivery means capable of airtight engagement of said at least one lower fluid injection channel CI of said further wall formwork cavity CA; - air-tightly inserting said nozzle delivery means of said pressure injection means of a hardening adhesive into said lower channel CI of said wall panel formwork cavity CA;

- pressure injecting from below, by means of said pressure injection means and through said at least one lower fluid injection channel CI, a quantity of hardening adhesive to fill at least said further cavity IT of said further wall form- work cavity CA, having the air vent through said at least one upper vent opening;

- hardening the quantity of hardening adhesive pressure injected from below at least into said cavity IT of said further wall formwork cavity,

thereby forming a solid body including the quantity of hardened adhesive in said further wall formwork cavity CA, together with said at least two further overlying wall panels, kept stably juxtaposed with one another side by side in a vertical arrangement, and said further vertical building reinforcing element AR placed in said at least one further wall formwork cavity CA.

By repeating the stages and the relative steps described above, according to constructional needs, a building comprising mutually assembled wooden wall and floor panels is constructed.

It can be noted that the method for the construction of a building according to the present invention, in stage IV, further comprises the steps of:

- providing said first lower assembly sleeve 14.1 with first spacer means 14.10, which co-act to create the free cavity between each assembly pin 13 and the relative pin housing chamber CAL and perform automatic centering by shape coupling of the relative assembly pin 13 with respect to the corresponding assembly hole FB, and

- providing said second upper assembly sleeve 14.2 with second spacer means 14.20, which co-act to create the free cavity between each assembly pin 13 and the relative pin housing chamber CAL and fix by forced coupling the relative assembly pin 13 to the corresponding assembly hole.

It can also be noted that the method for the construction of a building according to the present invention, in stage I, further comprises the steps of:

- providing said second upper assembly sleeve 12.2 with second spacer means 12.20, which co-act to create the free cavity between the stem 1 1 .1 of each assembly pin 1 1 and the relative hole T1 of the assembly pin and perform auto- matic centering by shape coupling of the relative assembly pin 1 1 with respect to the corresponding assembly hole T1 , and

- providing said first lower assembly sleeve 12.1 with first spacer means 12.10 which co-act to create the free cavity between the stem 1 1 .1 of each assembly pin 1 1 and the relative hole T1 of the assembly pin and fix by forced coupling the relative assembly pin 1 1 to the corresponding assembly hole T1 .

Moreover, the method of constructing a building according to the present invention comprises the steps consisting of providing said reinforcing element, and said further reinforcing element AR, with fixed spacer means, which co-act to create the free cavity between said reinforcing element and said first wall form- work cavity CA, respectively between said further reinforcing element AR and said further wall formwork cavity CA, and perform automatic centering of said reinforcing elements in the wall formwork cavity CA, respectively in said further wall formwork cavity CA, providing said free cavity IT.

Moreover, the method for the construction of a building according to one or more of the claims, comprises the steps of:

providing said reinforcing element AR, respectively said further reinforcing element AR, by assembling at least one pair of metallic bars with improved adherence and an intermediate perforated coupling plate (Figs. 8 and 9).

As a result of the above, with the method for the construction of a building comprising wooden wall panels and wooden floor panels it is possible to achieve the objects set forth in the preamble in a simple and efficient way.

In particular, the present invention provides a method and the relative means for the construction of a building comprising wooden wall panels and wooden floor panels having the following advantages:

- the building constructed comprises a continuous and vertical connection for the entire height of each wall by means of the use of suitably shaped metallic bars with improved adherence and a hardening adhesive, for example, two- component epoxy resin, injected from below. By injecting the adhesive from be- low, a continuous connection on the entire height of the walls, for example made of X-lam, is obtained, making the steel profile integral with the X-lam walls and the building constructed solid in its entirety; - the building constructed ensures air-tightness and moisture-tightness, as well as reduced noise and vibrations;

- all the metal parts of the building constructed are protected against fire and corrosion, and the electromagnetic fields are eliminated;

- the building constructed is anti-seismic and elastically scaled with unitary behaviour factor (q = 1 ), allowing human life and heritage to be protected;

- the building is constructed with environmentally friendly (90% wood) and 100% recyclable materials.

Moreover, from a first economic evaluation, the method forming the subject mat- ter of the present invention is more economical to implement with respect to the aforesaid prior art method and with the same efforts. This saving is the result, at least in part, of the limited number of component elements and consequent reduction in warehouse logistics, and also of drastic decrease in assembly times, easy availability of the component elements, as they can be found on markets worldwide, and the use of component elements that do not require special processing.

A further advantage of the method according to the invention derives from the fact that injection of the hardening adhesive, for example two-component epoxy resin, from below is also applied to the connection of the bars or pins with im- proved adherence placed along all the walls, to support the tensile and shear stresses, as said bars are provided with centering ferrules that facilitate injection of the adhesive. By injecting the adhesive from below and not from above, as provided for in the prior art method, this ensures complete filling of the chambers for housing said bars or pins provided in the walls, with venting of the air from above. This arrangement, besides ensuring the continuity of the walls, enables assembly to take place also in situations in which it is not possible to operate from outside (sites in which the new structure is inserted inside existing stone or masonry buildings, such as in cases of post-earthquake operations, fulfilling the requirement to protect existing buildings).

Lastly, with the method according to the invention it is possible to avoid the use of external scaffolding by means of the use of adequate safety systems during structural assembly.