GB1325671A - Tunnelling - Google Patents

Tunnelling

Info

Publication number
GB1325671A
GB1325671A GB1325671DA GB1325671A GB 1325671 A GB1325671 A GB 1325671A GB 1325671D A GB1325671D A GB 1325671DA GB 1325671 A GB1325671 A GB 1325671A
Authority
GB
United Kingdom
Prior art keywords
shield
excavation
tunnel
advanced
ground
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.)
Expired
Application number
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.)
M H TUNNEL CIVIL ENG Ltd
Original Assignee
M H TUNNEL CIVIL ENG 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 M H TUNNEL CIVIL ENG Ltd filed Critical M H TUNNEL CIVIL ENG Ltd
Publication of GB1325671A publication Critical patent/GB1325671A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/086—Travelling trench shores
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

1325671 Tunnelling; shoring trenches M & H TUNNEL & CIVIL ENG Ltd 27 Oct 1970 [3 Aug 1969] 33515/69 Headings E1E and E1F A method of forming a subway tunnel involves the use of a shield 6 that is both in horizontal and vertical cross section of rectangular shape and is open at the ends and at both ends at the top. Such a shield 6 is advanced into the ground whilst the ground is excavated and removed from within the front end of the shield until the rear end of the shield reaches the line of the tunnel to be formed or is lowered onto 'this line in a pre dug excavation. A length of the tunnel lining 30 is then lowered into position within the shield through the rear top opening of the shield, the shield is advanced and the excavation back filled 32 over the lining 30. This cycle of operations is repeated until the tunnel is completed. Preferably the shield comprises two upright sides 9, 10 connected by a bottom 5 extending to at least the front end of the shield and a top 6 extending between the middle portions only of the sides, and rams 13 inside the middle portion of the shield for acting between the shield and an abutment 18 in the excavation to the rear of the shield of which the leading edges are formed as cutting edges. Ground above and to the front of the shield is'partially severed into blocks by the percussed insertion of cutter plates 27, 24. The block so isolated immediately ahead of the shield is excavated and the excavation so formed is after the rear plate is removed from its supporting frame 24 on the shield is shored by beams 26 before the shield is advanced beneath the excavation and the lower tunnelreceiving excavation started in the front of the shield.
GB1325671D 1970-10-27 1970-10-27 Tunnelling Expired GB1325671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3351569 1970-10-27

Publications (1)

Publication Number Publication Date
GB1325671A true GB1325671A (en) 1973-08-08

Family

ID=10353973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1325671D Expired GB1325671A (en) 1970-10-27 1970-10-27 Tunnelling

Country Status (1)

Country Link
GB (1) GB1325671A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356766A (en) * 2021-07-05 2021-09-07 中国煤炭科工集团太原研究院有限公司 Coal mine digging and anchoring machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356766A (en) * 2021-07-05 2021-09-07 中国煤炭科工集团太原研究院有限公司 Coal mine digging and anchoring machine
CN113356766B (en) * 2021-07-05 2023-12-12 中国煤炭科工集团太原研究院有限公司 Coal mine digging and anchoring machine

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees