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Patent Searching and Data


Matches 851 - 900 out of 14,783

Document Document Title
WO/1993/001362
In order to plug the annular space (39) between a rock anchor (37) and the walls of a borehole (36) at greater depths (40) of up to 1 or 1.5 m, especially in very low-cohesion rock, the proposal is for a borehole plug (18) bounded on the...  
WO/1993/001363
An injection drilling anchor (1) intended for use in particularly low-cohesion rock is distinguished in that, in its frontal region, i.e. that adjacent to the core bit (8), there are at least two pressure injection valves (11) operating ...  
WO/1992/021825
A method of squeezing a self-hardening material of stiff consistency into the ground through a jet pipe inserted into the ground when improving or strengthening the soft ground. While or after softening the ground to be treated by jettin...  
WO/1992/021826
In the ground (T), preceding holes (3) are dug and also a portion between adjoining preceding holes (3) is excavated by use of a wire saw device (9) to thereby form a sheet insertion groove (4), into which a cut-off sheet (5) is inserted...  
WO/1992/020872
The barrier (2) comprises sheet steel elements pile-driven into an aquifer (3). The elements form two walls (24, 28) side by side. The elements are sealed to each other whereby each wall is leakproof. The space between the walls is divid...  
WO/1992/020873
The invention discloses a method and device for constructing continuous thin walls in the ground of the type where a vertical beam or sheet pile is driven into the ground by vibration successively along the line of the wall being constru...  
WO/1992/019819
A wide sheetpile (1) for the formation of buildings folded or formed from a metal plate or plates or by joining modular panels. The sheetpile (1) is of corrugated form having upper and lower webs (3) and (4) joined by an inclined flange ...  
WO/1992/018697
A process for anchoring fastening elements, in particular screws, nails, anchors, clamps and bolts, in boreholes using two-component adhesives and metal inlays comprises the following steps: a) The boreholes, previously drilled, cleaned ...  
WO/1992/018752
The invention concerns an articulated anchor bolt made up of sections connected to each other by a rope in such a way that rope articulations are formed between the sections. The anchor bolt also includes a section with a thread for fitt...  
WO/1992/014885
A self-interlocking means for end to end jointing of elongated concrete elements, especially concrete piles, comprises two end plates (1) and substantially straight glide bars (10) to be forced into slightly curved locking grooves (2) in...  
WO/1992/012858
In a concrete column (1) supporting an overhead load (13) and having a base end (3) resting on a surface (5), a process of strengthening the column (1) to increase its ability to withstand a typical physical loading accompanying an earth...  
WO/1992/010637
A tool for making holes in the ground comprises a ram tip and coupling means for connecting to a drive device, for instance a hydraulically or pneumatically operating tool driving machine or a vibrator operating for instance with eccentr...  
WO/1992/005893
Structural members (80) having an intermediate web (81) and hollow tubular side flanges (83, 85) extending longitudinally of the web (81) are formed in a cold rolling operation such that one of the tubular side flanges (83) has an outsid...  
WO/1992/004504
An adjustable width split sleeve (13) adapted to be securely wrapped around an elongate member (15). Each end of the sheet is wrapped around a respective first rod. Each first rod is rotated about a second which is parallel and adjacent ...  
WO/1991/019860
Ground anchors (A) are installed by drive rods or gads (10) connected in end to end relation by sleeves or couplers (12) which accommodate sliding of adjacent rod ends (27, 34) into abutting relation under impact or compression loads and...  
WO/1991/018165
The invention relates to a bedding and anchoring method giving excellent mechanical resistance to transverse and vertical forces in both thrust and traction modes. The method implements digging cross stays (3) fixed at least at two point...  
WO/1991/015657
Composite anchor pipes for stabilising headings and spaces by the injection of e.g. synthetic resin, especially in mining and tunnelling, consist of at least two sections which can be secured together by sleeves and are fitted with a dri...  
WO/1991/015656
An injection bore anchor for securing sections and spaces by injection, for example of plastic, in particular in mining and tunnel construction, consists essentially of an anchor tube composed of at least two sections which can be connec...  
WO/1991/013225
The invention relates to an apparatus and a method for building a foundation for uprights, such as flagpoles, posts, pillars or the like, or for making passages e.g. for cables, tubes etc. The apparatus (1) includes a drive-shaft (3) equ...  
WO/1991/011558
A method for consolidating railway roadbeds and embankments in general, characterised by: forming holes at predetermined distances apart in the embankment to be consolidated, the hole dimensions depending on the particular work to be car...  
WO/1991/009179
An earth anchor apparatus (10) adapted to be driven by a source of rotational driving force into unbroken soil includes a longitudinally extending hub (12) having first and second axial ends (14, 16). A recess is provided in one axial en...  
WO/1991/006713
An inflatable ground anchor for anchoring a structural element to the earth. The anchor comprises an elongate hollow drilling member (11) having a drill bit (14) connected to its leading end, and an inflatable member (15) for securing th...  
WO/1991/005916
The invention concerns a method and a device for repairing quay-protecting linings and similar structures. According to the invention a support mould (3) having an L-shaped cross-sectional configuration is attached to the external face o...  
WO/1991/005121
The invention relates to a method and a profile plate structure for the fabrication of a composite structure. The composite structure is provided as a combination of a steel profile plate and concrete. The profile plate is assembled from...  
WO/1991/005120
The invention relates to a method for the fabrication of a composite structure as a combination of a profile plate (1) and concrete. The profile plate (1) is usually a steel profile plate. Concrete is brought to the composite structure b...  
WO/1991/004377
Structures with interconnecting members (14, 16) such as shores, struts, braces and the like which are subject to compression and/or tension stresses can be erected even when the foundation strata do not exactly meet anticipated levels, ...  
WO/1991/004376
The present invention refers to a pile, in particular a cohesion pile comprising a driving means (11), a pile shoe (12) or the like and at least two elements, provided with force absorbing surfaces. The elements are constituted by flexib...  
WO/1991/002850
A hazardous waste containment system for preventing the lateral migration of hazardous fluid substances into the water table, particularly for sites which are located over a fluid impermeable strata (20). The system uses an encircling wa...  
WO/1991/002851
A cellular structure for sustaining an embankment is comprised of a vertical facing structure including generally a lattice (1) connected to an embedding structure (2, 3). The embedding structure (2, 3) is extended from the facing struct...  
WO/1991/000941
A method for producing a pile provides for feeding a self-hardening material (6) into a hole (1) or into the ground while generating high-voltage discharges inside the material (6) and moving said zone (7) of feeding the material and gen...  
WO/1990/011412
The art field is that of casting consolidation and foundation piles in-situ using ultra-high pressure liquid concrete injection casting methods; in the procedure disclosed, a metal reinforcement (7) is positioned prior to effecting the c...  
WO/1990/010755
A method of forming a pile comprises driving a pile forming member (12, 40, 140) into the ground to a predetermined depth to form a passage of non-circular cross-section, preferably a circular cross-section (42) with fins (56) radiating ...  
WO/1990/010114
A ground anchor consists of a generally flat anchor plate (10) folded into a U or V-shape against a resilient bias, means for releasably retaining the anchor plate in its folded state while driving the plate into the ground (17), and mea...  
WO/1990/005810
In a method of constructing a retaining screen which is intended to retain soil and debris dug from the ground when excavating a shaft into which concrete pipes, cables and the like are to be laid, and also to retain such soil and debris...  
WO/1990/002243
A drilling assembly (210) for in-situ cast piles has a drill stem (211) with a helical flyte (212). A drilling head (224), with teeth (225), and a belling tool (226), with retractable cutting tools (227) are mounted on, in driving engage...  
WO/1990/001595
One has aimed at providing interconnectable disposable formwork elements for the casting of for instance foundations, sustaining walls etc. in concrete and which, as compared with conventional formwork doors, gives a cheaper formwork and...  
WO/1990/001089
Process for repairing a foundation where the piles (2), in particular timber piles, are damaged in their head area, avoiding as much as possible the use of shoring to hold up the structure (1, 12) supported by said foundation. The ground...  
WO/1989/011567
The invention is directed to construction implements and methods for their use in the construction of retaining walls, revetments, road ways, suspended floor spans and the like. The basic element is a support sheet comprising an essentia...  
WO/1989/010217
Piling apparatus (36) is disclosed comprising a thin-walled steel tube (40) with its wall formed into a helical form. The piling apparatus (36) may be driven into the ground by engagement with a drive nut (26) which may be forced downwar...  
WO/1989/008745
A concrete pile installation apparatus and method is disclosed wherein a device (22, 28) penetrates the soil to produce an opening for the formation of the pile. Fill material, such as grout (25), is introduced into the opening and a pot...  
WO/1989/006297
A stabilised earth structure has a substantially vertical front face (6) and is stabilised by layers of substantially horizontal strips (1) extending rearwardly from the front face. Each strip (1) is bolted at its rear end to an anchor m...  
WO/1989/004402
The invention concerns the process and the device for laying a foundation by creating a foundation block formed by the ground itself. At least one deep anchorage point is achieved using anchorage means (1/3), which are hammered into the ...  
WO/1989/003458
The invention relates to an improvement to the invention disclosed in the French patent n� 84-18690 relating to a construction method for linear works in compacted or decompacted grounds and the mass treatments of grounds obtained by j...  
WO/1989/002954
A sheeting support for foundation trench earthwork has a hat-shaped profile composed of two right-angled Z-profiles (1), the contacting flanges of which are joined by a weld (4).  
WO/1989/002008
A method and system of reinforcing and supporting a soil, rock or weathered rock formation (9) by means of lightly tensioned passive anchor units (5) and linking means (8) interconnecting the anchor units. Each anchor unit (5) has a reta...  
WO/1988/009849
A reinforcing frame (10) is disclosed for providing continuous reinforcement for a concrete wall (18) cast in longitudinal sections within a trench (17). The frame (10) comprises vertical bars (11) and horizontal bars (12) to form a rect...  
WO/1988/008066
A device for anchoring in the ground comprises two parts (1, 2) relatively movable in axial direction and a transversally expansible arrangement (4) adapted to be actuated for expansion upon relative movement between the parts for the pu...  
WO/1988/007117
A boundary marking system comprising cylindrical receptacles (14) having relatively large plates (10) flush with one end and adapted to be installed in the ground with the plate (10) at ground level. A marker stake (12) which is color co...  
WO/1988/006208
In order to make a continuous artificial wall (2) into the ground (S), a trench (T) is dug into the ground and the trench is filled with a specific material. There is provided at a reduced distance (L) backwards of the trench front (7) r...  
WO/1988/005843
To manufacture a pile (9, 14) which is intended to take compressive as well as tensile loads or to serve as a reinforcement member in soils, a strip (4) is wound off a roll (3) of strip material and is carried through a rotating-roller s...  

Matches 851 - 900 out of 14,783