SE543647C2 - Method for constructing extra-large variable cross section tunnel - Google Patents
Method for constructing extra-large variable cross section tunnelInfo
- Publication number
- SE543647C2 SE543647C2 SE1750913A SE1750913A SE543647C2 SE 543647 C2 SE543647 C2 SE 543647C2 SE 1750913 A SE1750913 A SE 1750913A SE 1750913 A SE1750913 A SE 1750913A SE 543647 C2 SE543647 C2 SE 543647C2
- Authority
- SE
- Sweden
- Prior art keywords
- constructing
- temporary
- tunnel
- excavating
- primary support
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 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
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.
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 |
CN201420795169.6U CN204436406U (en) | 2014-12-15 | 2014-12-15 | Super large Varied section tunnel support structure |
CN201410776845.XA CN104653197B (en) | 2014-12-15 | 2014-12-15 | Method for constructing extra-large variable cross section tunnel |
CN201410777849.XA CN104500100A (en) | 2014-12-15 | 2014-12-15 | Advanced support structure for oversized variable-section tunnel |
CN201410777881.8A CN104405411B (en) | 2014-12-15 | 2014-12-15 | Oversized variable cross section tunnel supporting structure |
PCT/CN2015/094285 WO2016095630A1 (en) | 2014-12-15 | 2015-11-11 | Method for constructing extra-large variable cross section tunnel |
Publications (2)
Publication Number | Publication Date |
---|---|
SE1750913A1 SE1750913A1 (en) | 2017-07-12 |
SE543647C2 true SE543647C2 (en) | 2021-05-18 |
Family
ID=56125861
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1750913A SE543647C2 (en) | 2014-12-15 | 2015-11-11 | Method for constructing extra-large variable cross section tunnel |
SE1750912A SE543306C2 (en) | 2014-12-15 | 2015-11-11 | Support structure for tunnel having ultra-large variable section |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1750912A SE543306C2 (en) | 2014-12-15 | 2015-11-11 | Support structure for tunnel having ultra-large variable section |
Country Status (3)
Country | Link |
---|---|
MY (2) | MY198470A (en) |
SE (2) | SE543647C2 (en) |
WO (3) | WO2016095629A1 (en) |
Families Citing this family (66)
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CN107130977B (en) * | 2017-06-27 | 2023-10-10 | 长江勘测规划设计研究有限责任公司 | Hollow guide excavation structure and excavation method for ultra-large span dome of underground nuclear reactor cavity |
CN107630706B (en) * | 2017-10-24 | 2023-05-26 | 中交第二航务工程局有限公司 | Tunnel bottom structure for eliminating tunnel inverted arch bulge in high-earth-pressure area and construction method |
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-
2015
- 2015-11-11 SE SE1750913A patent/SE543647C2/en unknown
- 2015-11-11 WO PCT/CN2015/094284 patent/WO2016095629A1/en active Application Filing
- 2015-11-11 WO PCT/CN2015/094286 patent/WO2016095631A1/en active Application Filing
- 2015-11-11 MY MYPI2017702978A patent/MY198470A/en unknown
- 2015-11-11 MY MYPI2017702979A patent/MY198020A/en unknown
- 2015-11-11 WO PCT/CN2015/094285 patent/WO2016095630A1/en active Application Filing
- 2015-11-11 SE SE1750912A patent/SE543306C2/en unknown
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Also Published As
Publication number | Publication date |
---|---|
MY198470A (en) | 2023-08-31 |
SE1750913A1 (en) | 2017-07-12 |
SE1750912A1 (en) | 2017-07-12 |
MY198020A (en) | 2023-07-26 |
SE543306C2 (en) | 2020-11-24 |
WO2016095629A1 (en) | 2016-06-23 |
WO2016095630A1 (en) | 2016-06-23 |
WO2016095631A1 (en) | 2016-06-23 |
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