CN108756894B8 - Tunnel micro three-step upper core soil construction method - Google Patents

Tunnel micro three-step upper core soil construction method Download PDF

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Publication number
CN108756894B8
CN108756894B8 CN201810365261.1A CN201810365261A CN108756894B8 CN 108756894 B8 CN108756894 B8 CN 108756894B8 CN 201810365261 A CN201810365261 A CN 201810365261A CN 108756894 B8 CN108756894 B8 CN 108756894B8
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China
Prior art keywords
excavating
rock
backward
tunnel
soil
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CN201810365261.1A
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Chinese (zh)
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CN108756894B (en
CN108756894A (en
Inventor
鲜国
万炳宏
赵勇
周跃峰
张建慈
李传富
张伦
庞尔林
冯正
宿春亮
印建文
王海杰
来荣国
魏晓江
张涛
王彦东
尹厚继
姚培儒
刘丰
李世君
晏小英
王建兴
崔宏章
邹广成
蒋若愚
石拓
Original Assignee
中铁二十五局集团第一工程有限公司
中铁二十五局集团有限公司
成兰铁路有限责任公司
中铁二院工程集团有限公司土木建筑设计研究一院
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Application filed by 中铁二十五局集团第一工程有限公司, 中铁二十五局集团有限公司, 成兰铁路有限责任公司, 中铁二院工程集团有限公司土木建筑设计研究一院 filed Critical 中铁二十五局集团第一工程有限公司
Priority to CN201810365261.1A priority Critical patent/CN108756894B8/en
Publication of CN108756894A publication Critical patent/CN108756894A/en
Publication of CN108756894B publication Critical patent/CN108756894B/en
Application granted granted Critical
Publication of CN108756894B8 publication Critical patent/CN108756894B8/en

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Classifications

    • 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
    • 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
    • E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices

Abstract

The invention provides a construction method of core soil at the upper part of a micro three-step tunnel, which comprises the following steps: firstly, arch part advanced support, upper step arc guide pit excavation, upper core soil retention and gradual cancellation of the upper core soil along with tunnel face excavation; secondly, excavating the middle step in advance, excavating middle step rock-soil bodies with the middle step excavation width of about 2/3 at the same time, and reserving a backward middle step rock pillar of about 1/3; thirdly, excavating the backward middle step, and gradually canceling the backward middle step rock pillar; fourthly, firstly excavating the lower step, excavating the lower step rock-soil body with the lower step excavation width of about 1/3, trimming the rock-soil body with the middle part of about 1/3 into a slope to be used as a channel of machine tool equipment, and reserving a rear-going lower step rock pillar of about 1/3; fifthly, excavating the backward lower step, and gradually canceling the rock pillar and the channel of the backward lower step; and sixthly, excavating the tunnel bottom. The construction method effectively controls the deformation and deformation damage of the primary support system, ensures the safety of tunnel construction and improves the tunneling efficiency.
CN201810365261.1A 2018-04-23 2018-04-23 Tunnel micro three-step upper core soil construction method CN108756894B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810365261.1A CN108756894B8 (en) 2018-04-23 2018-04-23 Tunnel micro three-step upper core soil construction method

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Application Number Priority Date Filing Date Title
CN201810365261.1A CN108756894B8 (en) 2018-04-23 2018-04-23 Tunnel micro three-step upper core soil construction method

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CN108756894A CN108756894A (en) 2018-11-06
CN108756894B CN108756894B (en) 2019-09-17
CN108756894B8 true CN108756894B8 (en) 2019-12-24

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109723446A (en) * 2019-01-15 2019-05-07 中铁三局集团有限公司 Four step of microdilatancy silty clay formation tunnel adds interim inverted arch construction method
CN110005456A (en) * 2019-04-19 2019-07-12 中铁五局集团成都工程有限责任公司 A kind of large-deformation tunnel in soft rock benching tunnelling method anchor pole rapid constructing method
CN110145314B9 (en) * 2019-05-10 2020-11-20 中建隧道建设有限公司 Method for removing high and large core soil of extra-large section underground tunnel
CN110230507A (en) * 2019-05-27 2019-09-13 中建交通建设集团有限公司四川分公司 A kind of cabinet frame caunches engineering method

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CN102562075A (en) * 2012-03-09 2012-07-11 中交第二公路工程局有限公司 Large cross-section weak surrounding rock tunnel three-step and six-part short-distance construction method
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CN107387096A (en) * 2017-09-21 2017-11-24 中铁四局集团有限公司 The step of large-section loess tunnel three draws bracket groove to excavate the scope of operation and its construction method
CN107829748A (en) * 2017-11-10 2018-03-23 长安大学 A kind of complementary cycle formula excavation method for being applied to drift pebble layer large cross-section tunnel
CN107939415A (en) * 2017-10-20 2018-04-20 长安大学 Stay the micro- two step constructions method of Core Soil in the soft plastic clay tunnel of Shallow-buried Large-span

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CN101105131A (en) * 2007-08-17 2008-01-16 中铁十二局集团有限公司 Tunnel dredging method suitable for railway large section IV, V class rock tunnel
CN102562075A (en) * 2012-03-09 2012-07-11 中交第二公路工程局有限公司 Large cross-section weak surrounding rock tunnel three-step and six-part short-distance construction method
CN103277106A (en) * 2013-06-21 2013-09-04 云南云岭高速公路桥梁工程有限公司 Highway tunnel three-step five-procedure excavation construction method
CN104500079A (en) * 2014-11-26 2015-04-08 中国电建集团成都勘测设计研究院有限公司 Tunnel excavation method in shallow-buried bias-pressure toppling-deformation bulk solid and strong-unloading rock structure
CN105781574A (en) * 2016-04-19 2016-07-20 长安大学 Fabricated tunnel support system and construction method thereof
CN106246201A (en) * 2016-08-22 2016-12-21 北京市市政工程研究院 The excavation in tunnel and karst cave treatment method when small-sized solution cavity is positioned at tunneling surrounding
CN106761778A (en) * 2017-01-24 2017-05-31 山东大学 A kind of underground digging in subway station construction technology suitable for upper-soft lower-hard ground
CN107387096A (en) * 2017-09-21 2017-11-24 中铁四局集团有限公司 The step of large-section loess tunnel three draws bracket groove to excavate the scope of operation and its construction method
CN107939415A (en) * 2017-10-20 2018-04-20 长安大学 Stay the micro- two step constructions method of Core Soil in the soft plastic clay tunnel of Shallow-buried Large-span
CN107829748A (en) * 2017-11-10 2018-03-23 长安大学 A kind of complementary cycle formula excavation method for being applied to drift pebble layer large cross-section tunnel

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Inventor after: Wan Binghong

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Inventor after: Wei Xiaojiang

Inventor after: Ou Jian

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Correction item: Inventor

Correct: Fresh country|Wan Binghong|Zhao Yong|Zhou Yuefeng|Zhang Jianci|Li Chuanfu|Zhang Lun|Pang Erlin|Feng Zheng|Su Chunliang|Yin Jianwen|Wang Haijie|Lai Rong Guo|Wei Xiaojiang|Zhang Tao|Wang Yandong|Yin Houji|Yao Peiru|Liu Feng|Li Shijun|Yan Xiaoying|Wang Jianxing|Cui Hongzhang|Zou Guangcheng|Jiang Ruoyu|Shi Tuo

False: Wan Binghong|Fresh country|Zhang Jianci|Zhou Yuefeng|Li Chuanfu|Zhang Lun|Feng Zheng|Su Chunliang|Lan Wenqing|Wang Haijie|Wei Xiaojiang|Ou Jian|Zhang Tao|Wang Yandong|Yin Houji|Wang Jianxing|Yao Peiru|Wang Shengtao|Li Shijun|Cui Hongzhang|Other inventors ask not to disclose names

Number: 38-01

Volume: 35

Correction item: Inventor

Correct: Fresh country|Wan Binghong|Zhao Yong|Zhou Yuefeng|Zhang Jianci|Li Chuanfu|Zhang Lun|Pang Erlin|Feng Zheng|Su Chunliang|Yin Jianwen|Wang Haijie|Lai Rong Guo|Wei Xiaojiang|Zhang Tao|Wang Yandong|Yin Houji|Yao Peiru|Liu Feng|Li Shijun|Yan Xiaoying|Wang Jianxing|Cui Hongzhang|Zou Guangcheng|Jiang Ruoyu|Shi Tuo

False: Wan Binghong|Fresh country|Zhang Jianci|Zhou Yuefeng|Li Chuanfu|Zhang Lun|Feng Zheng|Su Chunliang|Lan Wenqing|Wang Haijie|Wei Xiaojiang|Ou Jian|Zhang Tao|Wang Yandong|Yin Houji|Wang Jianxing|Yao Peiru|Wang Shengtao|Li Shijun|Cui Hongzhang|Other inventors ask not to disclose names

Number: 38-01

Page: The title page

Volume: 35

CI03 Correction of invention patent