GB1422207A - Shield for constructing extended caverns such as tunnel tubes - Google Patents

Shield for constructing extended caverns such as tunnel tubes

Info

Publication number
GB1422207A
GB1422207A GB3906973A GB3906973A GB1422207A GB 1422207 A GB1422207 A GB 1422207A GB 3906973 A GB3906973 A GB 3906973A GB 3906973 A GB3906973 A GB 3906973A GB 1422207 A GB1422207 A GB 1422207A
Authority
GB
United Kingdom
Prior art keywords
shield
caverns
tunnel tubes
constructing extended
cavern
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
GB3906973A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1422207A publication Critical patent/GB1422207A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/04—Provisional protective covers for working space for use in drifting galleries

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB3906973A 1972-09-29 1973-08-17 Shield for constructing extended caverns such as tunnel tubes Expired GB1422207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247914 DE2247914B2 (de) 1972-09-29 1972-09-29 Geschlossener Vortriebsschild zum Auffahren von Tunnels

Publications (1)

Publication Number Publication Date
GB1422207A true GB1422207A (en) 1976-01-21

Family

ID=5857799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3906973A Expired GB1422207A (en) 1972-09-29 1973-08-17 Shield for constructing extended caverns such as tunnel tubes

Country Status (3)

Country Link
JP (1) JPS4994135A (sl)
DE (1) DE2247914B2 (sl)
GB (1) GB1422207A (sl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894641A (zh) * 2020-08-10 2020-11-06 陕西省高速公路建设集团公司 一种隧道穿越特大型有水空腔溶洞处治与施工工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894641A (zh) * 2020-08-10 2020-11-06 陕西省高速公路建设集团公司 一种隧道穿越特大型有水空腔溶洞处治与施工工艺
CN111894641B (zh) * 2020-08-10 2022-02-11 陕西省高速公路建设集团公司 一种隧道穿越特大型有水空腔溶洞处治与施工工艺

Also Published As

Publication number Publication date
JPS4994135A (sl) 1974-09-06
DE2247914B2 (de) 1978-10-05
DE2247914A1 (de) 1974-04-04

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee