Abstract: A trench sheeting device consists of trench sheeting boxes which are each made up of two trench plates supported against each other, the width of the trench apart, and at least one shaft sheeting box whose width exceeds that of the trench. The shaft sheeting box can therefore essentially be introduced into the ground with standard trench plates and with essentially the same elements as a plate of that type, that is, practically in one piece. To this end, the shaft sheeting box consists of a trench plate on each longitudinal shaft wall and shaft plates which are arranged at the longitudinal ends of the trench plates connected to the adjoining trench sheeting boxes, in such a way that they cannot move. The shaft plates are therefore positioned cross-wise to the longitudinal direction of the trench and the trench plates and are relatively narrow compared to the trench plates.

Abstract: Proposed is a trench falsework which includes a base box (3) made up of lining panels (5) held apart by braces (8). The panels making up the box have a flat edge (7) along the top and a cutting edge (6) along the bottom. The falsework system also includes at least one add-on box (4, 12) designed to be used as an extra tier and made up of lining panels (5) which meet flush with those of the base box (3). The invention calls for the lining panels (5) making up the raised box (4, 12) to be of the same design as those in the base box (3).

Abstract: The invention concerns a housing (18), in a trench falsework panel, designed to hold the support shoe for a strut (17) so that the strut is secured in place at a spring joint. The housing permits the support shoe, which is directly associated with the strut, to be mounted simply in place by virtue of the fact that the longitudinal ends of the housing have a collar (21) projecting out from the surface of the panel, at a certain distance from the strut, with a bore running at right angles to the longitudinal axis of the housing, and the support shoe has a collar, matching that on the housing, with a bore, aligned with that in the housing collar, into which a bolt (25) can be inserted to hold the shoe in place.

Abstract: A lining plate intended for employment in connection with trench lining in below-grade construction becomes assembly- and removal-friendly and simultaneously resistant to flexural buckling even against forces acting during driving in by means of the excavator bucket, if a hollow profile plate structure, which forms the plate frame and is welded together with the remaining plate part, is provided, and if at least one suspension eye is cut into the plate surface a distance apart from the circumferential hollow profile frame elements, which contains a fastening means for a lifting means of the crane.

Abstract: The invention concerns a panel for use in trench falsework as part of a box construction or in sliding forms in civil-engineering. The falsework is easy to mount in place and is resistant to buckling, even along the triangular hollow section which forms the cutting edge at the bottom of the panel, by virtue of the fact that the triangular hollow section incorporates single-piece steel suspension rings which have a partly rounded and partly straight outside circumference. The outside shape of the rings fits into the surface of the metal sheet surrounding the ring, the straight part of the rings forming part of the cutting edge and the rounded part of the rings being welded to the adjacent parts of the hollow section.

Abstract: Joining arrangements (7) capable of swivelling around an axis bolt (6) are limited in their swivelling by one of the springs of a pair of springs (12, 13) welded together into a unit to make it possible to individually or alternately drive or pull opposite lining elements (1) of a canal lining system into or out of the soil without causing the braces (4) that prop the lining elements (1) against each other nor their joining arrangements (7) to be deformed.

Abstract: A support device for lining ditches having braces for extending across the ditch and vertically extending guiding uprights which are supported by the braces. The guiding uprights include a U-shaped rail with leg members and parallel guide ridges extending in vertical direction located on each of the leg members on the inner portion of the U-shaped rail. Lining plates are provided with vertically-extending end faces, including a plurality of axles with guide rollers rotatably mounted thereon. The axles project outwardly from the end faces, and are alternately displaced on either side of a vertically extending line disposed along the center of the end faces. The lining plates are guided by alternating contact of the guide rollers with the parallel guide ridges of each of the leg members.

Abstract: A support device for lining a ditch which is supported by braces. The support device has an inner plate and an outer plate parallel to and facing the inner plate. A frame is provided which has an upper cross bar, a lower cross bar and side bars placed between and in contact with the plates at their periphery. The side bars include brace connection means for releasably engaging the braces. Longitudinally extending trapezoidal-shaped webs are provided on each plate. The webs each have two sides and a top which is parallel to each plate. The distance between adjacent webs along each plate is approximately equal to the width of the top. The webs on the inner plate are offset from the webs on the outer plate so that the webs on the plates matingly interconnect. The tops are in contact with the facing sheet plate and the sides of adjacent webs are parallel and in contact with each other.

Abstract: A construction plate is provided consisting of two outer plates folded to form webs extending laterally therefrom so that the webs form spacers between the outer plates, and with end supports terminating the face sides of the outer plates arranged perpendicular to the ducts of the folds. Each outer plate has a corrugation having an M-shaped cross section adapted to hold the front edge of a web of an opposing outer plate, the corrugation being displaced with respect to the webs by half a division and extending parallel to the webs.

Abstract: A cribbing device for trenches which includes a pair of opposing supports spaced apart by a spreader, each support having a plurality of guide profiles and a crosspiece. The crosspiece is disposed transversely to the longitudinal axis of the trench, and the guide profiles are arranged adjacent each other on said crosspiece. The guide profiles include a plurality of legs disposed vertically and extending outward from the crosspiece, and a plurality of flanges disposed vertically and secured to the legs at the ends of the legs opposite the crosspiece. The flanges project beyond both sides of the legs. A plurality of cribbing boards each having a guide bar which supports a guide head is provided. The guide head is in the form of a slotted hollow box section and extends vertically beyond the board at its vertical face side. The width of each guide profile flange is slightly smaller than the inside width of the guide heads.

Abstract: This disclosure is directed to a supporting beam, particularly adapted for bracing purposes in construction applications, such as trenching, shoring, and the like, and includes at least one elongated member having axially opposite end portions each carrying a generally C-shaped bracket pivoted thereto with the axes of the pivots being generally parallel to a groove defined between end walls of the C-shaped brackets, each bracket including a pair of legs and a bight therebetween, and first and second clamping means carried by the bight for selectively clamping an element to be braced against inner or outer surfaces of the end walls of the C-shaped brackets.

Abstract: A ditch shoring unit includes at least a horizontal support frame composed of longitudinally-extending, transversely-adjustable girders made of profile steel parts and having guide heads mounted thereon, as well as a plurality of pile-driving planks which in their cross section, are generally wave-shaped and which are provided on their inner side with a guide channel for a positive locking reception of an associated guide head of the support frame therein. Each pile-driving plank is also provided on its inner side with abutments which are arranged in a vertically, supermposed, spaced-apart manner and locking means are provided on the longitudinal girders of the support frame having a locking element which is moveable into and out of the area between two superimposed abutments of an associated pile-driving plank.

Abstract: This disclosure relates to an excavation or trenching plate which includes one or more panels formed by a plurality of generally C-shaped vertically oriented beams collectively defining a plurality of side-by-side vertical chambers endmost ones of which open in opposite sidewise directions through associated grooves, upper and lower generally horizontal beams also of generally C-shaped configuration spanning the upper and lower ends of the vertical beams with the horizontal beams likewise having horizontal channels opening endwise in opposite directions through horizontal grooves, and tie bars extending horizontally and vertically through the various beams and being accessible through channels of the endmost vertical beams and upper and lower beams for retaining the beams in assembled relationship.

Abstract: A construction plate for a ditch construction device consists of profiled steel elements which are rigidly coupled with each other and covered with cover plates. At the small sides of the construction plate, profiled steel elements are provided in the form of hollow profiles which are provided with guide heads for coupling adjacent supports or construction plates. The construction plate is provided with at least one vertical hollow profile having on the inner side of the construction plate superimposed horizontal slot openings. A C- or U-shaped profiled guide bar supports horizontally-disposed joints on the rear side of its ribs which are insertable through the slot openings of the vertical throughput openings which are aligned with respect to each other, and insertable therein is a locking rod which engages the joints and/or the hollow profile with wedge elements.

Abstract: This disclosure relates to an excavating sheeting unit having an outside adapted to bear against a trench surface and including a pair of spaced generally vertically disposed guide rails of C-shaped transverse cross section opening toward each other, a pair of sheeting plates having lateral edges disposed within the confines of the C-shaped guide rails, rollers carried by the lateral edges of the sheeting plates to permit relative sliding motion of the latter relative to each other and relative to the guide rails, and a plurality of supporting members located inside of the sheeting unit rigidly connecting together the guide rails and defining therewith a guide frame.

Abstract: A support element for pipe ditches is provided which consists of support plates which are pressed against the ditch walls in pairs by longitudinally adjustable spreading means, and are guided and retained in vertical supports. The foot of at least one support plate includes a closable opening for guiding a branch pipe or the like, therethrough. Most desirably, the support plates are composed of two plates, an inner and an outer plate which are detachably coupled together and which have the same outer dimensions as a single support plate. The outer plate is provided with an opening in the area of the lower end thereof and the inner plate is movable between an open and closed position relative to the opening of the outer plate.

Abstract: A glide shoe which is mounted on the end of a bracing device and is slidably guided within a support member of a generally C-shaped cross-section. The glide shoe includes a generally rectangular frame glidingly received within the support member and having pivotally connected thereto by means of a pivot pin an end piece which is engageable with an end of the bracing member. The end piece includes a bearing plate having a pair of bearing members extending therefrom, one on each side of the pivot pin, and there being telescoped over the bearing members and engaging the bearing plate compression springs. The compression springs react against the glide plates which bear against a bearing wall of the support member. The bearing plate is of a width less than the longitudinal opening in the support member and the bearing members are engageable with the glide plates to limit the pivoting of the bearing plate about the pivot pin.

Abstract: This disclosure relates to a sheeting-plate formed of two cover plates joined by transversely extending webs wherein the webs are formed integral with at least one of the cover plates by being folded out of the plane thereof and are secured to the other cover plate by welding. The webs are notched to receive upstanding reinforcing members, and the cavities defined by the webs may be filled with a reinforcing plastics material.

Abstract: This disclosure relates to a cribbing plate particularly constructed for use in the shoring of walls of trenches. The cribbing plate is of a box construction and includes a rectangular frame formed of shaped metal members which has positioned therein at vertical spaced intervals parallel horizontal reinforcing pieces, and there further being vertical pipe members passing through the horizontal reinforcing members and being welded thereto and to the rectangular frame to reinforce the cribbing plate in a manner to facilitate the driving and pulling thereof. The horizontal reinforcing members are of a C-shaped or more specifically of a flanged channel shape with the flanges being welded to the pipes in a box-like manner to rigidify the cribbing plate.

Abstract: A sheeting panel for trenches formed of a rectangular frame and a pair cover plates which collectively define a chamber housing foam plastic reinforced by steel cord mesh or steel cord waste thereby providing the sheeting panel with inherent strength to resist loads placed thereon by earth when the sheeting panel is used for shoring trenches or the like.