GB1251628A - - Google Patents

Info

Publication number
GB1251628A
GB1251628A GB1251628DA GB1251628A GB 1251628 A GB1251628 A GB 1251628A GB 1251628D A GB1251628D A GB 1251628DA GB 1251628 A GB1251628 A GB 1251628A
Authority
GB
United Kingdom
Prior art keywords
mine arch
haydennilos
opensided
heading
accommodate
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
Other languages
English (en)
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 filed Critical
Publication of GB1251628A publication Critical patent/GB1251628A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Tents Or Canopies (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
GB1251628D 1970-05-07 1970-05-07 Expired GB1251628A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2200170 1970-05-07

Publications (1)

Publication Number Publication Date
GB1251628A true GB1251628A (enrdf_load_stackoverflow) 1971-10-27

Family

ID=10172349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251628D Expired GB1251628A (enrdf_load_stackoverflow) 1970-05-07 1970-05-07

Country Status (1)

Country Link
GB (1) GB1251628A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133495A (en) * 1982-12-01 1984-07-25 Dennis H Peers Rack systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133495A (en) * 1982-12-01 1984-07-25 Dennis H Peers Rack systems

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee