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7165578 |
Method for laying a rehabilitating pipe
A rehabilitating pipe is laid inside an existing pipe to rehabilitate the existing pipe. Support members are intergrally connected to an inner wall surface of the existing pipe so that loop...
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7156124 |
Segment for rehabilitating an existing pipe and a rehabilitating pipe assembled using segments
A segment for rehabilitating an existing pipe has an integral structure comprised of an inner plate having an inner circumferential surface that is planar or curved with a prescribed curvature, two...
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7018138 |
Pier-repairing and reinforcing panel and method of repairing and reinforcing piers using such panels
A pier-repairing and reinforcing panel is used in a method of repairing and reinforcing a pier. The panel includes locking members, locking ribs, reinforcing ribs, and clips. The method includes...
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6988337 |
Means and method for constructing a fully precast top arch overfilled system
The top arch overfilled system defined in application Ser. No. 10/102,921 is formed of precast arch elements which are formed and shipped in a use orientation. The precast arch elements can include...
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6923600 |
Method of repairing and reinforcing piers using stones
A method of repairing and reinforcing a pier using stones. The method includes installing a watertight caisson around a pier and removing water from the gap between the caisson and pier prior to...
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6540438 |
Inflatable underground structure liner
The apparatus is an underground structure liner based upon an inflatable liner structure. An acid resistant layer is the innermost layer of an inflatable liner, and the liner is coated with epoxy...
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6419324 |
Method of sealing off a mine passageway
A method of sealing off a mine passageway. The method involves installing a plurality of vertical panels side by side across the passageway to form a stopping. The stopping has gaps between...
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6375390 |
Method for widening road, superhighway or railway tunnels, without interrupting the traffic
A construction method for widening road, superhighway or railway tunnels, without interrupting the traffic flow includes a first stage of excavation; in steps, of the ground between the theoretical...
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6368020 |
Lining element for a drilled tunnel
The invention relates to a concrete lining element for a drilled tunnel, which element is formed as a ring segment and is internally reinforced, and a plurality of which ring segments can be joined...
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6334738 |
Prefabricated metal overcast having a crushable lower section
A ventilation overcast comprises a frame member that defines a structure having a substantially inverted U-shape with first and second opposed side wall portions and a roof portion. A curtain...
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6328501 |
Method of manufacturing a tunnel or shaft lining or pipeline
A method of manufacturing a tunnel (10) or shaft lining or pipeline of segments (12), wherein each segment (12) comprises a concrete body (11) having an extrados (13) surface, an intrados (14)...
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6302621 |
Segment for intake tunnels
A segment 20 has segment units 22 obtained by dividing a cylindrical body having an appointed length into four sections along the circumferential direction. The segment units 22 are provided with a...
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6210074 |
Material and method for lining pipes
A material and method is provided for lining man-entry sized pipes and securing the lining to the pipe. The lining comprises a plurality of adjacent, unplasticized polyvinyl chloride panel segments...
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6168846 |
Liner strip for pipelines or tunnels
A liner strip for lining an interior surface of a pipe including an extended plastic strip having T-shaped formations with reinforcing fibers integrally extruded in the liner strip for increasing...
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6164871 |
Mine stopping having a swinging door
A mine stopping comprising a wall extending across a passageway in a mine to close the passageway. The wall has an opening therein. A door is hinged adjacent the opening for swinging between a...
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6161989 |
Antifouling wall structure for use in pipe and method of constructing the antifouling wall therefor
A wall surface of a structure to be rendered antifouling is covered with antifouling panels caused to firmly adhere thereto and fixed. Not only can this work be conducted easily and quickly but...
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RE36853 |
Mine door system
A mine door system adapted for installation and a passageway in a mine, comprising a door frame adapted to be installed in the passageway and defining a doorway spaced below a ceiling of the...
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6095719 |
Process for constructing intake pipe
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6076995 |
Segments
One end of a circumferential joining end surface 2 of segments 1 which are joined together in the circumferential direction of an excavated tunnel is made the male side circumferential joining end...
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6050746 |
Underground reinforced soil/metal structures
A method for controlling deformation of an erected structural metal plate culvert or underpass during backfilling of the erected structure comprises: building progressively a reinforced earth...
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5980156 |
Tunnel liner building method and building panels therefor
Tunnel liners are formed from panels of arched sheet material. The panels include a central portion, inclined side portions and wing portions. One of the wing portions has a hook portion and the...
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5888023 |
Seal arrangement for tubular tunnel segments
The invention relates to a seal arrangement consisting of two abutting structures of concrete, steel, reinforced concrete, cast iron or other materials and a sealing section of elastomeric material...
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5870871 |
Sump liner and method of installation
This invention includes repair of an existing underground sump without the need for costly and time consuming excavation. A plurality of liner-forming pieces are placed inside the underground sump...
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5747134 |
Continuous polymer and fabric composite
The polymer and fabric composite includes at least two polymer sheets with fabric attached covering substantially one side of the polymer sheets. In one embodiment, one of the sheets has a strip of...
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5725328 |
System and process for relining sewerage pipe sections
A system for and process of relining transport lines such as sewerage pipelines having an inner tubular thermoplastic inliner, a tubular thermoplastic preliner disposed within the pipeline to be...
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5725327 |
Permanent mine bulkhead seal and method for constructing same
A water-resistant mine bulkhead or seal is provided in which two walls are constructed across the mine entry. One of the walls is constructed in layers. After a lower portion of the layered wall is...
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5556676 |
Tunnel interior construction
An element for lining the interior surface of a tunnel, which comprises a composite panel in which a fibrous layer is laminated over a hard substrate, and a fluoropolymer surface layer is laminated...
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5489164 |
Method of connection
The invention relates to a constructional element such as a tunnel lining, part of which is shown in the drawing, comprising adjacent segments which have facing surfaces between which there is a...
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5472295 |
Shield tunneling method using flexible segments, flexible segments for shield tunneling method, and flexible segments for secondary application of shield tunneling method
A general segment 20 which is propelled and set in an excavated hole by a propulsion excavating machine, and a flexible segment where flexible members 4 and rigid ring members are alternately...
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5470178 |
Insulating tunnel liner system
An insulating liner system especially adapted to railroad and highway tunnels to eliminate ice buildup on the tunnel crown, walls and roadbed caused by water leakage from the tunnel face. The...
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5458155 |
System and method for slipliner renovation of semi-elliptical conduits
A slipliner for renovating a semi-elliptical conduit such as a masonry sewer line. The bottom of a semi-rigid cylindrical liner pipe is split longitudinally and a floor panel is mounted across the...
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5439319 |
Tunnel barrier system and method of installing the same
A tunnel barrier system for lining the interior surface of a tunnel cavity includes a first panel in facing engagement with and affixed to a first impermeable membrane. A second panel is in facing...
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5388929 |
Method of renovating and/or protecting sewers or pipes
A method of renovating sewers or pipes where an elongate plastic strip (30) is spirally wound in the sewer or pipe, the strip having joint formations (32) along each side so that a joint formation...
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5346332 |
Tubbing-type tunnel lining
A tubbing-type tunnel lining, which comprises a plurality of tubbing rings, each of which consists of an even number of tubbing blocks, which are similar or identical and have a trapezium-shaped or...
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5332334 |
Tunnel wall with lining
A tunnel wall with a lining is comprised of substantially trapeze- or trapezoid-shaped tubbing stones (8-13), which are at least similar and complement each other in an even number to form a...
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5330288 |
Underground storage tank
Underground storage tank consisting of an internal metal structure (1), of a static external facing (2) and of a filler (4) such a hot blown bitumen located between the metal structure (1) and the...
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5295764 |
Tunnel liner
Tunnel liner plate assembly comprising a tunnel liner plate comprising an outer wall and inwardly extending side and end flanges, each having bolt holes therein, and a longitudinally extending...
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5199819 |
Semi-buried structure formed on a mountainside
A process for the construction of a semi-buried structure for the protection of a subgrade formed on a mountainside, and the structure thus constructed. The structure consists entirely of precast...
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5180270 |
Water flow patch
A seal for leaking fissures or faults of a tunnel which has a first, deformable layer with two surfaces, one of which is scalloped in vertical cross-sectional dimension and the other of which abuts...
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5102263 |
Method of renovating and/or protecting sewers and pipes
A liner for large diameter pipes is formed from lengths of PVC panels (10) which are cut to length and placed around the wall of the pipe, the ends (19) of the panels being butt-joined by joining...
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5046893 |
Panel with a fretted transversal section, to be mounted longitudinally as a covering for the inside walls of road tunnels
This invention concerns paneling for the internal walls of road tunnels, preferably provided with a fretted transversal section and characterized by the remarkable simplicity with which it can be...
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5035538 |
Arcuate precast tunnel lining segments
An arcuate tunnel lining segment includes a precast concrete body that is divided into two angularly adjoining segment parts by a compressible strip which runs the length of the segment and...
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4991999 |
Corrugated structural panels
An improvement in corrugated structural panels, useful in the construction of tunnels, shoring, and other pressure bearing or containing structures, wherein the improvement comprises the...
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4940360 |
Insulated tunnel liner and rehabilitation system
An insulating and rehabilitation system especially adapted to unlined rock tunnels for the prevention of ice buildup on tunnel arches, walls and base structure the prevention of future...
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4915542 |
Process for waterproofing surfaces
A method of waterproofing inner surfaces of tunnels, channels and mine galleries in which sheets of material are unrolled and cut in situ and applied to the surfaces of the wall to obtain the...
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4815895 |
Construction of tunnels or pipes for use in civil engineering works
A tunnel or pipe section which includes a plurality of panels which are connected together to form a closed tunnel or pipe section. Each panel includes a plurality of tubular connectors which are...
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4812084 |
Tubbing ring for lining a tunnel
A tubbing ring for lining a tunnel comprises end faces lying in respective planes, which preferably include an acute angle with each other. The tubbing ring comprises an even number of tubbing...
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4808030 |
Shield tunneling method and assembling and disassembling apparatus for use in practicing the method
Shield tunnelling method and assembling and disassembling apparatus for use in practicing the method. A shield having shield jacks is actuated for drilling a hole in the ground. Inner forms and...
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4730427 |
Shuttering and shoring wall
The invention relates to the construction of tunnels. Its subject is a shuttering and shoring wall formed by joining end to end sections (1) which each consists of at least two section parts (2, 3,...
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4723872 |
Trapezoidal divider wall for use in shaft construction
A curtain wall (12) used to divide the shaft in a shaft construction (10) is made of panels (26) in the shapes of parallelograms. Side edges (28 and 30) of the panels (26) are received in channels...
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