ZA202110936B - Blasting technology for hard rock multi-arch tunnels - Google Patents

Blasting technology for hard rock multi-arch tunnels

Info

Publication number
ZA202110936B
ZA202110936B ZA2021/10936A ZA202110936A ZA202110936B ZA 202110936 B ZA202110936 B ZA 202110936B ZA 2021/10936 A ZA2021/10936 A ZA 2021/10936A ZA 202110936 A ZA202110936 A ZA 202110936A ZA 202110936 B ZA202110936 B ZA 202110936B
Authority
ZA
South Africa
Prior art keywords
hard rock
blasting technology
rock multi
arch tunnels
tunnels
Prior art date
Application number
ZA2021/10936A
Inventor
Liang Lei
Sheng Zhang
Jianhua Wang
Shun Yan
Liangyong Li
Weijin Zhou
Chenxin Sun
Mingwang Yan
Jiping Wang
Huizhong Li
Yulong Zhao
Jinhai Fan
Ning Zhang
Original Assignee
Sichuan Transp Construction Group Co Ltd
Sichuan Communication Surveying And Design Inst Co 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 Sichuan Transp Construction Group Co Ltd, Sichuan Communication Surveying And Design Inst Co Ltd filed Critical Sichuan Transp Construction Group Co Ltd
Publication of ZA202110936B publication Critical patent/ZA202110936B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
    • 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
    • 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
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA2021/10936A 2021-10-22 2021-12-24 Blasting technology for hard rock multi-arch tunnels ZA202110936B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111234540.2A CN113818888B (en) 2021-10-22 2021-10-22 Hard rock multi-arch tunnel blasting process

Publications (1)

Publication Number Publication Date
ZA202110936B true ZA202110936B (en) 2022-03-30

Family

ID=78917188

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/10936A ZA202110936B (en) 2021-10-22 2021-12-24 Blasting technology for hard rock multi-arch tunnels

Country Status (2)

Country Link
CN (1) CN113818888B (en)
ZA (1) ZA202110936B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3413580B2 (en) * 1994-11-28 2003-06-03 清水建設株式会社 How to display the drilling position on the tunnel face
KR100725450B1 (en) * 2006-11-24 2007-06-07 이웅휘 Tunnel blasting method for three-arch tunnel
JP2017032162A (en) * 2015-07-29 2017-02-09 鹿島建設株式会社 Blast construction method
CN105781560B (en) * 2016-04-18 2018-04-13 中建交通建设集团有限公司 A kind of construction method of the remote base tunnel look-ahead explosion in super low coverage superimposing thread tunnel
CN107420104A (en) * 2017-06-09 2017-12-01 中铁建大桥工程局集团第五工程有限公司 The horizontal prebored hole static blasting excavation construction method of shallow tunnel super-large diameter
CN110307002B (en) * 2019-05-09 2020-07-31 深圳市综合交通设计研究院有限公司 Refined construction method for II-grade and III-grade surrounding rock ultra-small clear distance tunnel
CN111472788A (en) * 2020-04-24 2020-07-31 中铁五局集团有限公司 Blasting construction method based on small-spacing cavern group three-arch-connected section
CN111594218A (en) * 2020-05-22 2020-08-28 招商局重庆交通科研设计院有限公司 Steep terrain tunnel diagonal hole-entering structure and construction method
CN111810163A (en) * 2020-06-02 2020-10-23 中铁十八局集团有限公司 Nine-lane double-arch construction method for underground excavation through underground longitudinal and transverse channels

Also Published As

Publication number Publication date
CN113818888B (en) 2024-03-26
CN113818888A (en) 2021-12-21

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