GB8720985D0 - Energy absorption joint - Google Patents

Energy absorption joint

Info

Publication number
GB8720985D0
GB8720985D0 GB878720985A GB8720985A GB8720985D0 GB 8720985 D0 GB8720985 D0 GB 8720985D0 GB 878720985 A GB878720985 A GB 878720985A GB 8720985 A GB8720985 A GB 8720985A GB 8720985 D0 GB8720985 D0 GB 8720985D0
Authority
GB
United Kingdom
Prior art keywords
energy absorption
absorption joint
joint
energy
absorption
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.)
Granted
Application number
GB878720985A
Other versions
GB2194809A (en
GB2194809B (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.)
British Steel Corp
Original Assignee
British Steel Corp
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 British Steel Corp filed Critical British Steel Corp
Publication of GB8720985D0 publication Critical patent/GB8720985D0/en
Publication of GB2194809A publication Critical patent/GB2194809A/en
Application granted granted Critical
Publication of GB2194809B publication Critical patent/GB2194809B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • 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
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
GB8720985A 1986-09-09 1987-09-07 Energy absorption joint Expired - Fee Related GB2194809B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868621637A GB8621637D0 (en) 1986-09-09 1986-09-09 Energy absorption joint

Publications (3)

Publication Number Publication Date
GB8720985D0 true GB8720985D0 (en) 1987-10-14
GB2194809A GB2194809A (en) 1988-03-16
GB2194809B GB2194809B (en) 1990-02-14

Family

ID=10603866

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868621637A Pending GB8621637D0 (en) 1986-09-09 1986-09-09 Energy absorption joint
GB8720985A Expired - Fee Related GB2194809B (en) 1986-09-09 1987-09-07 Energy absorption joint

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868621637A Pending GB8621637D0 (en) 1986-09-09 1986-09-09 Energy absorption joint

Country Status (1)

Country Link
GB (2) GB8621637D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749035B (en) * 2008-12-10 2012-06-06 同济大学 Ready-packaged arch timbering steel frame of round tunnel urgent repairing
US20120282041A1 (en) * 2011-05-06 2012-11-08 Breedlove John J Yieldable cambered arch support assembly
CN108361051B (en) * 2018-03-09 2020-04-14 中国矿业大学(北京) Assembled yielding concrete filled steel tube support and manufacturing method thereof
CN112253183B (en) * 2020-09-30 2022-03-01 长沙矿山研究院有限责任公司 Energy-absorbing profiling active support structure for arch roadway and support method thereof
CN112360516B (en) * 2020-10-23 2021-07-27 山东建筑大学 Automatically-retractable steel pipe sheet and assembling method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482466A (en) * 1975-07-04 1977-08-10 Schwarz Holywell Ltd Tubular mine roadway support stilts
DE3004196C2 (en) * 1980-02-06 1982-01-21 Klöckner-Werke AG, 4100 Duisburg Flexible route expansion for mine routes or the like.

Also Published As

Publication number Publication date
GB8621637D0 (en) 1986-10-15
GB2194809A (en) 1988-03-16
GB2194809B (en) 1990-02-14

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930907