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JP2004190221A |
To provide a light cellular concrete having no rough cell in the periphery of a reinforcement on the outer periphery of a panel.The reinforcement is buried in this light cellular concrete panel, and is coated with a rust prevention mater...
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JP2004190466A |
To provide a dropout preventing clip which quickly and positively performs prevention of lifting and dropout of a Kaiser truss member embedded in a precast concrete thin floor slab in the process of manufacturing the floor slab, in place...
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JP3539254B2 |
To provide a method for manufacturing a precast concrete(PC) slab that can be applied without using any decoration tile with special structure and has improved execution property/economy/electronic wave absorption performance. A decorati...
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JP2004183456A |
To simplify and ensure installation and fixation to a form while preventing rust formation after installation.This support for a hollow slab tube is provided with a receiving part 10 having an arcuate part 11, and a mounting part 20 prov...
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JP2004183455A |
To provide hardware for fixing a void tube for a slab for performing mounting work safely in a short time.The hardware of characteristic shape for firmly and efficiently settling the void tube or a spiral tube for the void slab to a pres...
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JP2004176330A |
To provide a concrete pavement slab rationally and economically designed while allowing rapid construction of pavement, and to provide its manufacturing method and a paving method using the concrete pavement slab.In manufacturing the con...
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JP2004176309A |
To improve the workability, rigidity, sound isolation effect and heat insulation property of an inexpensive void unit.The void unit is so constituted that it is orderly arranged lengthwise and crosswise in a state to hold a plurality of ...
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JP3537565B2 |
To prevent a tendon from being damaged and to keep prescribed strength when tension is applied to the tendon. In this apparatus, tendon 8 comprising FRP strips for reinforcing a structure of concrete, etc., are bundled and inserted into ...
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JP3537511B2 |
PURPOSE: To obtain the subject refractory material presenting stable physical properties as a lightweight, large-sized structural material, by mixing a magnesium oxysalt compound with both zeolite and foamed granules as aggregates. CONST...
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JP2004160694A |
To provide a structure comprising a sulfur solidified molded product having resistance against an environment having a temperature difference and corrosion properties.Panels 11 are bonded so that side surfaces 13 (end surfaces) to be bon...
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JP2004517018A |
A novel wallboard composition is disclosed comprising a unique combination of synthetic binders selected for their ability to establish a strengthened permanent bond in the final dry state in combination with an expanded mineral such as ...
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JP2004156360A |
To provide a surface layer structure in which a peeling-off preventive layer is formed in the case of the new construction of a concrete structure for preventing the peeling-off of a concrete piece with the deterioration of the concrete ...
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JP2004155577A |
To provide a concrete product lifting insert formed of plastic, having strength not inferior to that of metal one.A metal rod is horizontally provided in a plastic cylindrical body with its upper end opened and its lower end closed, and ...
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JP2004148768A |
To provide a prestressed concrete structure, having effective prestress in nearly whole structural body, high bending resistance and low in cost, and to provide a method thereof.The prestress is introduced into the prestressed concrete s...
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JP3530956B2 |
To incorporate and reinforce thermoplastic resin synthetic resin fibers with reinforcing fibers to achieve an ultra-reduction in the weight of the material and a reinforcement in the rigidity of the material and simultaneously improve th...
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JP3526638B2 |
PURPOSE: To efficiently produce a plurality of precast structures to be connected without taking a space. CONSTITUTION: One end parts (right end parts) of the dummy screw reinforcing bars 52 of a screwing jig 50A are connected to the end...
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JP3527495B2 |
To provide a production method for a concrete panel with jointing which makes it possible to bury core materials properly in the lower layer of a panel, gives a good productivity and reduces a production cost. A square circumferential wa...
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JP3526037B2 |
To prevent shifting of elastic pieces on the occasion of filling concrete and thereby to improve a yield in manufacture of a block, in regard to a form for manufacturing the block having the elastic pieces projected partially and a manuf...
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JP3522551B2 |
To provide a formwork for a segment by which the segment provided with a joint at a joining end face and having a smooth inner surface is easily produced. In the formwork for a segment, a space is surrounded by a bottom plate forming the...
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JP3522254B2 |
To enable good productivity and cost curtailment by solving the problem that the beautiful sight (commodity value) is impaired due to irregular exposure of a core material on the bottom side of a panel through burying of the core materia...
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JP3519714B2 |
To enhance production efficiency and shape accuracy in a pretension type PC member having a PC steel material arranged in a bent state. The PC steel materials 5 are respectively connected to the PC steel material fixing part of both side...
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JP3519955B2 |
To provide an anchor bolt mounting unit structure of a form for manufacturing a concrete product for coupling between two opposed anchor bolts by a coupler by hitting the bolts by exposure in an end face of the product or a recess of the...
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JP3520117B2 |
PURPOSE: To provide a light-weight FPE as a substitute for reinforcing steel. CONSTITUTION: This FRP material substituting for reinforcing steel is produced by reinforcing a thermosetting resin with plural bundles of reinforcing fibers 5...
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JP2004114403A |
To provide a manufacturing method for a precast concrete member wherein reinforcing rods are partially exposed from concrete, which can reduce the labor of a process before a concrete casting process and that of a concrete removing proce...
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JP3519341B2 |
To facilitate confirmation of a filling condition of a grout material into a sheath in a prestressed concrete member in which prestress is introduced with post tension. Inspection holes 3a are formed partially across an interval in the d...
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JP2004108080A |
To provide a lifting tool for a panel that is easy to remove, safe and easy to handle when a panel is lifted.The lifting tool for a panel has a lifting tool body, a pair of holding elements integrated with the lifting tool body and suspe...
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JP2004107900A |
To provide a concrete molded body which is easily produced in a smaller number of steps, and has uniform quality.A concrete member serving as a column, a beam, a wall, and a slab, to which bending stress is applied, has an expanded metal...
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JP2004108086A |
To provide a building panel retro-installation method that prevents reduction in strength of concrete and degradation in aesthetics of a building panel and improves execution.A bolt receiver 11 having an internally threaded portion 3, a ...
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JP2004100186A |
To provide an exterior PC board which is thin, light in weight, and has a fail-safe mechanism in order to prevent the separation of an adhesive joint interface, and to provide a method of manufacturing the exterior PC board.The exterior ...
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JP2004098516A |
To provide a method for manufacturing a thin ALC panel, by which a large hollow is prevented from being formed in the upper layer part of slurry in a volume expansion process.The slurry obtained by adding water and aluminum powder to a p...
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JP3510356B2 |
PURPOSE: To speedily and simply form an anchor section with better anchoring efficiency in an optimum and required position by using an anchoring member having a cylindrical soft resin layer to the inside of a steel pipe, and inserting a...
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JP2004090591A |
To provide a cement concrete structure improved in durability in which a resin concrete layer and a cement concrete layer are strongly connected and fixed and the resin concrete layer is not easily separated.This cement concrete structur...
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JP3510258B2 |
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
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JP2004082571A |
To provide a method for manufacturing a precast structural component of high quality capable of accurately securing an injection route since a pipe for forming an injection route of solidification-material into a recessed position for in...
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JP2004075809A |
To provide a coating material for prestressed concrete (PC) tendons which effectively tensions concrete after being set when applied to a large concrete structure and which is excellent in storage stability.The coating material contains ...
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JP2004066534A |
To provide a concrete block which can easily dispose of wastes.A base block 2 of concrete which is embedded in earth is arranged under a variable side ditch block 3. In the base block 2, a wastes housing body 1 in which wastes 1a are hou...
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JP3500076B2 |
To improve productivity of a half PC board with a piping hole at a plant, attain high efficiency in construction work by saving labor such as stuffing the piping hole with material at a construction site, and bending-install piping passi...
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JP3499191B2 |
To efficiently manufacture a PC panel even at a narrow building site. A stacking type manufacturing method for the PC panel comprises the steps of molding the PC panel P1 on a water absorbable sheet 13 laid on a surface platen 2 made of ...
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JP2004042470A |
To embed an insert for lifting in the vertical or horizontal direction by which a proximal end surface is exposed to be flush with a tilted surface of a concrete product, and also, demolding is easy.An attaching tool 5 is fixed to a mold...
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JP2004042540A |
To improve surface property on the mold frame surface side of a precast concrete panel, and to inexpensively produce the panel at low cost.Reinforcing bars 3, 4 crossed and assembled are hoisted with a reinforcing metal fixture 2 having ...
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JP3492731B2 |
PURPOSE: To produce a composite having non-rectangular cross sections and having a uniform debulking ratio in the whole cross section from plural same foil sheets. CONSTITUTION: Fibers 204 are inserted into one part of the grooves of foi...
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JP3493353B2 |
To realize improvement in efficiency of a worker arrangement and speedup of installation work. This holding insert is constructed of an insert main body 1 and a rod-type plastic holder 2 which can be inserted/released into/from a support...
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JP2004025776A |
To provide a method of producing a concrete water division inlet, by which products having the same standard size of a flat inner section face, and various products different in depth and the number of opening parts can be produced readi...
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JP2004027536A |
To manufacture a beautiful concrete fair-face finish type precast concrete plate.A form 6 is arranged on a bottom plate A for arranging the proper number of holes 5 in a required position. A mat layer 7 being a member layer for a form pa...
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JP3489961B2 |
To reduce invasion of ALC slurry in an anchor fitting and reduce cost by providing specified height female screw part on one end of the cylinder of the anchor fitting provided with the cylinder inserting and screwing bolts in the inside,...
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JP3490170B2 |
PURPOSE: To install a handrail strongly while the cost remains low by furnishing mounting recesses at a certain spacing at the oversurface end part of the body of a concrete plate, and providing surface unevenness in the recesses. CONSTI...
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JP3490412B2 |
To prevent a deformation or a crazing from occurring after molding in a reinforced concrete flat plate manufactured by a vibration pressure molding method by using a stiff-consistency concrete or a concrete from separating from a reinfor...
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JP2004017645A |
To provide a form device which can be fabricated by simply changing the shape of a pre-cast concrete foundation block according to the floor plan of an architectural structure.The form device 1 of the pre-cast concrete foundation block i...
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JP3488406B2 |
To realize a versatile precasting technique in the case of molding a wall panel or a handrail of a veranda and to realize a corner of a wall at a low cost without using a special purposed corner panel or a special purpose mold for the pa...
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JP2004009525A |
To provide a method for producing a lightweight cellular concrete panel in which cavity parts formed above reinforcements are reduced.In the method, the reinforcements mainly comprising main reinforcements and sub-reinforcements of the l...
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