EP0335500A1 - Méthode de construction de segments arqués de revêtement de tunnels - Google Patents

Méthode de construction de segments arqués de revêtement de tunnels Download PDF

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Publication number
EP0335500A1
EP0335500A1 EP89301860A EP89301860A EP0335500A1 EP 0335500 A1 EP0335500 A1 EP 0335500A1 EP 89301860 A EP89301860 A EP 89301860A EP 89301860 A EP89301860 A EP 89301860A EP 0335500 A1 EP0335500 A1 EP 0335500A1
Authority
EP
European Patent Office
Prior art keywords
mould
segment
reinforcement
fastening devices
arcuate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP89301860A
Other languages
German (de)
English (en)
Inventor
Samuel Bailey Hart Mitchell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Charcon Tunnels Ltd
Original Assignee
Charcon Tunnels Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Charcon Tunnels Ltd filed Critical Charcon Tunnels Ltd
Publication of EP0335500A1 publication Critical patent/EP0335500A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E21D11/086—Methods of making concrete lining segments

Definitions

  • This invention relates to arcuate concrete reinforced tunning lining segments.
  • the invention provides a method of moulding a arcuate tunnel lining segment providing a mould cavity including convexly curved surface to define the inner peripheral surface of the segment and peripheral walls extending along the circumferential and axially extending edges of the arcuate surface to define the circumferential and axially extending faces of the segment; mounting a plurality of tunnel lining fastening devices on said peripheral walls of the mould to project into the mould cavity at spaced locations around the cavity; preforming arcuate reinforcement for the segment and locating the arcuate reinforcement in the mould cavity reinforcement to extend through the segment to be cast in the mould; attaching the reinforcement to at least certain of said fastening devices to support the reinforcement in the mould at the required location and casting concrete in the mould over the reinforcement and fastening devices to form a reinforced cast concrete segment; and finally releasing the cast segment from the mould.
  • the reinforcement mesh may comprise inner and outer layers or meshes which are connected together by spacers and the spacers have location means which are engaged with the fastening devices provided in the mould to support the inner and outer layers of the mesh in the mould for the moulding operation.
  • spacers may be connected between the inner and outer layers of the mesh along the circumferentially extending edges thereof at spaced positions to engage spaced fastening devices along the circumferential edges of the mould.
  • mesh may be connected directed to fastening devices at spaced locations along the axially faces of the mould.
  • the drawing shows a mould for casting a reinforced concrete arcuate tunnel lining segment
  • a base 10 form with an upwardly facing convex mould surface 11 shaped to form the inner arcuate surface of the segment to be cast.
  • Detachable side plates 13 are mountable on either side of the mould each having an upper convexly curved edge 14 to extend between the upper ends of the faces 12 and thereby define the outer arcuate surface of the tunnel lining segment.
  • the end faces 12 of the mould has spaced mounting locations where hoops 15 are temporarily supported for the mould operation with the hoops projecting from the mould cavity and the ends of the hoops extending into the mould cavity as indicated at 15.
  • the hoops form part of a "stressed dowell" connection system described and illustrated in detail in our U.K. Patent No. 2004931 to which reference should be made for further details.
  • the mould sides 13 are adapted to support sockets 16 projecting into the mould cavity from the mould sides at spaced locations around the sides to receive and hold dowell connectors for connecting adjacent segments together as described and illustrated in our Euro U.K. Patent No. 0114514 to which reference should be made for further details.
  • a cage is formed comprising two arcuate layers of prefabricated steel reinforcing mesh 17, 18 to extend around the mould cavity.
  • Layer 17, 18 are connected together by spacers 19 having end socket 20 to receive and engage the outer rims on the reinforcement mesh.
  • the centers of the spaces comprises annular elements 21 which engage over the sockets 16 to locate the reinforcing mesh in the mould. Further location is provided by way of ties 22 between the transverse members of the mesh and legs 15 projecting from the ends of the mould cavity.
  • the reinforcing mesh is thus located in the mould for the moulding operation and concrete is then poured into the mould to fill the mould.
  • the concrete is vibrated for compaction and the outer surface is smoothed to the required finish for the outer surface of the segment. Once the concrete has set, the sides of the mould are released and the segment can then detached from the mould.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
EP89301860A 1988-03-30 1989-02-24 Méthode de construction de segments arqués de revêtement de tunnels Withdrawn EP0335500A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8807559 1988-03-30
GB888807559A GB8807559D0 (en) 1988-03-30 1988-03-30 Improvement in/relating to methods/manufacturing arcuate reinforced concrete tunnel lining segments

Publications (1)

Publication Number Publication Date
EP0335500A1 true EP0335500A1 (fr) 1989-10-04

Family

ID=10634351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89301860A Withdrawn EP0335500A1 (fr) 1988-03-30 1989-02-24 Méthode de construction de segments arqués de revêtement de tunnels

Country Status (2)

Country Link
EP (1) EP0335500A1 (fr)
GB (1) GB8807559D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2049623A2 (es) * 1990-11-21 1994-04-16 Soc D Tuyaux Bonna Procedimiento de formacion de dovelas prefabricadas.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163114A (en) * 1965-09-22 1969-09-04 Alan Bertie Method and Apparatus for Producing Concrete Blocks.
GB1502207A (en) * 1975-07-18 1978-02-22 Tsuzuki J Concrete segment
FR2375438A1 (fr) * 1976-12-21 1978-07-21 Charcon Tunnels Ltd Perfectionnements aux segments de parement prefabriques pour tunnel
GB2124679A (en) * 1982-08-06 1984-02-22 Junichi Tsuzuki Tunnel wall structure
GB2124682A (en) * 1982-08-06 1984-02-22 Junichi Tsuzuki Tunnel lining structure
GB2131469A (en) * 1982-12-08 1984-06-20 Charcon Tunnels Ltd Improvements in or relating to arcuate precast segments for tunnel shaft linings

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163114A (en) * 1965-09-22 1969-09-04 Alan Bertie Method and Apparatus for Producing Concrete Blocks.
GB1502207A (en) * 1975-07-18 1978-02-22 Tsuzuki J Concrete segment
FR2375438A1 (fr) * 1976-12-21 1978-07-21 Charcon Tunnels Ltd Perfectionnements aux segments de parement prefabriques pour tunnel
GB2124679A (en) * 1982-08-06 1984-02-22 Junichi Tsuzuki Tunnel wall structure
GB2124682A (en) * 1982-08-06 1984-02-22 Junichi Tsuzuki Tunnel lining structure
GB2131469A (en) * 1982-12-08 1984-06-20 Charcon Tunnels Ltd Improvements in or relating to arcuate precast segments for tunnel shaft linings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2049623A2 (es) * 1990-11-21 1994-04-16 Soc D Tuyaux Bonna Procedimiento de formacion de dovelas prefabricadas.

Also Published As

Publication number Publication date
GB8807559D0 (en) 1988-05-05

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