MY198470A - Method for constructing extra-large variable cross section tunnel - Google Patents

Method for constructing extra-large variable cross section tunnel

Info

Publication number
MY198470A
MY198470A MYPI2017702978A MYPI2017702978A MY198470A MY 198470 A MY198470 A MY 198470A MY PI2017702978 A MYPI2017702978 A MY PI2017702978A MY PI2017702978 A MYPI2017702978 A MY PI2017702978A MY 198470 A MY198470 A MY 198470A
Authority
MY
Malaysia
Prior art keywords
constructing
temporary
tunnel
excavating
primary support
Prior art date
Application number
MYPI2017702978A
Inventor
Shenglin Jiang
Xiangdong Xu
Yanfeng Gong
Shupeng Li
Qizhu Jiao
Zhiwei Yan
Junru Zhang
Jianbo Kui
Wenhao Sun
Chunmei Wang
Haiman Guo
Jun Hong
Lijie Chen
Original Assignee
Cn Railway Siyuan Survey & Des
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
Priority claimed from CN201420797002.3U external-priority patent/CN204327118U/en
Priority claimed from CN201410777881.8A external-priority patent/CN104405411B/en
Priority claimed from CN201420795169.6U external-priority patent/CN204436406U/en
Priority claimed from CN201410777849.XA external-priority patent/CN104500100A/en
Priority claimed from CN201410776845.XA external-priority patent/CN104653197B/en
Application filed by Cn Railway Siyuan Survey & Des filed Critical Cn Railway Siyuan Survey & Des
Publication of MY198470A publication Critical patent/MY198470A/en

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
    • E21D11/04—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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • 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
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

Disclosed is a method for constructing an extra-large variable section tunnel. The method comprises: excavating a left pilot tunnel (11) and timely constructing primary supports and temporary supports; packing large boot-shaped wall feet (13) and constructing a right pilot tunnel (12) by the same process; excavating the upper half part of the left side of a main tunnel (2) and timely constructing a first-layer primary support (23), a temporary vertical brace (91) and a temporary inverted arch; excavating the lower half part of the left side of the main tunnel (2) and timely constructing the first-layer primary support (23) and the temporary vertical brace (91); constructing the upper half part of the right side of the main tunnel by the same process, and excavating a middle arch part and timely constructing the first-layer primary support; constructing a second-layer primary support (24) and removing the temporary vertical braces and the temporary inverted arches of the arch part; excavating a central part and timely constructing primary support (8) of the inverted arches; removing the temporary supports (17) of the left and right lower pilot tunnels, packing an inverted arch secondary lining, and filling the bottom of the tunnel; and finally one-time packing an arch wall secondary lining (22) by means of a model board trolley. The construction method effectively reduces the safety risk of removing the temporary supports, increases the operation freedom degree and accelerates the construction schedule. (Figure 1)
MYPI2017702978A 2014-12-15 2015-11-11 Method for constructing extra-large variable cross section tunnel MY198470A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201420797002.3U CN204327118U (en) 2014-12-15 2014-12-15 Super large Varied section tunnel advanced support structure
CN201410777881.8A CN104405411B (en) 2014-12-15 2014-12-15 Oversized variable cross section tunnel supporting structure
CN201420795169.6U CN204436406U (en) 2014-12-15 2014-12-15 Super large Varied section tunnel support structure
CN201410777849.XA CN104500100A (en) 2014-12-15 2014-12-15 Advanced support structure for oversized variable-section tunnel
CN201410776845.XA CN104653197B (en) 2014-12-15 2014-12-15 Method for constructing extra-large variable cross section tunnel
PCT/CN2015/094285 WO2016095630A1 (en) 2014-12-15 2015-11-11 Method for constructing extra-large variable cross section tunnel

Publications (1)

Publication Number Publication Date
MY198470A true MY198470A (en) 2023-08-31

Family

ID=56125861

Family Applications (2)

Application Number Title Priority Date Filing Date
MYPI2017702979A MY198020A (en) 2014-12-15 2015-11-11 Support structure for tunnel having ultra-large variable section
MYPI2017702978A MY198470A (en) 2014-12-15 2015-11-11 Method for constructing extra-large variable cross section tunnel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MYPI2017702979A MY198020A (en) 2014-12-15 2015-11-11 Support structure for tunnel having ultra-large variable section

Country Status (3)

Country Link
MY (2) MY198020A (en)
SE (2) SE543306C2 (en)
WO (3) WO2016095631A1 (en)

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CN102797481B (en) * 2012-08-13 2015-03-25 中铁一局集团有限公司 Large-span tunnel arch secondary lining steel bar binding construction method based on skeleton beams
CN103306687B (en) * 2012-10-31 2015-09-16 北京中铁瑞威基础工程有限公司 Soft rock tunnel long cantilever horizontal jet grouting Deformation control construction method
CN103437783A (en) * 2013-08-22 2013-12-11 天津市市政工程设计研究院 Shallow-buried excavation long-span pilot tunnel arch cover combined construction method
CN103775095B (en) * 2014-02-26 2015-10-28 中铁第一勘察设计院集团有限公司 The advanced two pilot tunnel in Ruan Ji tunnel, the mountain ridge and construction method thereof
CN204436406U (en) * 2014-12-15 2015-07-01 中铁第四勘察设计院集团有限公司 Super large Varied section tunnel support structure
CN104500100A (en) * 2014-12-15 2015-04-08 中铁第四勘察设计院集团有限公司 Advanced support structure for oversized variable-section tunnel
CN204327118U (en) * 2014-12-15 2015-05-13 中铁第四勘察设计院集团有限公司 Super large Varied section tunnel advanced support structure
CN104405411B (en) * 2014-12-15 2017-05-10 中铁第四勘察设计院集团有限公司 Oversized variable cross section tunnel supporting structure
CN104653197B (en) * 2014-12-15 2017-02-08 中铁第四勘察设计院集团有限公司 Method for constructing extra-large variable cross section tunnel

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MY198020A (en) 2023-07-26
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