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Efficient Identification of water conveyance tunnels siltation based on ensemble deep learning

Frontiers of Structural and Civil Engineering   Pages 564-575 doi: 10.1007/s11709-022-0829-x

Abstract: The inspection of water conveyance tunnels plays an important role in water diversion projects.Siltation is an essential factor threatening the safety of water conveyance tunnels.

Keywords： water conveyance tunnels     siltation images     remotely operated vehicles     deep learning     ensemble learning    

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Research on Simulating Optimization of Long-distance Complex Water Conveyance Systems

Zhong Denghua,Liu Jianmin,Xiong Kaizhi

Strategic Study of Chinese Academy of Engineering 2005, Volume 7, Issue 10,   Pages 60-63

Abstract:

Operating optimization of long-distance water conveyance systems is always intractable for their complexityachieved, which gives a new way for the research of operating optimization of long-distance complex waterconveyance systems.

Keywords： water conveyance system     simulating optimization     self-optimization     response surface method    

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Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction: The Case of the Songhua River WaterConveyance Project in the Middle of Jilin Province Article

Shucai Li, Lichao Nie, Bin Liu

Engineering 2018, Volume 4, Issue 1,   Pages 131-137 doi: 10.1016/j.eng.2017.12.010

Abstract:

An increasing number of tunnels are being constructed with tunnel-boring machines (TBMs) due to thethe course of tunnel construction (e.g., karst caves, faults, or fractured zones), disasters such as waterTherefore, the advance detection of adverse geology and water-bearing conditions in front of the tunnelThis paper uses the TBM tunneling of the water conveyance project from Songhua River as a case studyIn this way, disasters such as water and mud inrush, collapse, or machine blockage can be avoided.

Keywords： Hard rock TBM tunnels     Comprehensive forward prospecting     Geological analysis     3D induced polarization     3D    

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Key Technical Issues of TGP Permanent Shiplock

Fan Qixiang

Strategic Study of Chinese Academy of Engineering 2004, Volume 6, Issue 1,   Pages 48-52

Abstract: of general layout of navigation structures, sedimentation hindering to navigation, hydraulics of the water-conveyance

Keywords： navigation structures     water-conveyance system     high and steep slope     hydraulics    

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Construction idea and design principle of railway tunnels

Wang Mengshu,Zhang Mei

Strategic Study of Chinese Academy of Engineering 2009, Volume 11, Issue 12,   Pages 4-8

Abstract: ., railway tunnels must be durable; its risk evaluation should be estimated scientifically; the constructiontime, cost, contract, scheme and design principle should be reasonable; and railway tunnels must beThe construction idea and design principle of railway tunnels would provide guideline for tunnel design

Keywords： railway tunnels     construction idea     design principle    

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Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Frontiers of Structural and Civil Engineering   Pages 685-703 doi: 10.1007/s11709-022-0824-2

Abstract: This paper presents a study of closely spaced double tunnels in Taizhou, China.The two tunnels are located at different levels, and their separating distance is 17.2 m.

Keywords： double tunnels     super-span     structural design     mechanical response     numerical simulation     field monitoring    

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Damage on lining concrete in highway tunnels under combined sulfate and chloride attack

Rongrong YIN, Chenchen ZHANG, Qing WU, Baocheng LI, He XIE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 331-340 doi: 10.1007/s11709-017-0421-y

Abstract: sulfate and chloride is one of the important reasons to cause the damage of lining concrete in highway tunnels

Keywords： lining concrete     sulfate     chloride     compression     ultrasonic    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Tunnels extend in large stretches with continuous lengths of up to hundreds of kilometers which are vulnerableHere, a series of 4 centrifuge tests are planned and tested on continuous tunnels.Failure mechanism, progression and locations of damages to the tunnels are assessed through a gradualAccording to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility curves    

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Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 82-93 doi: 10.1007/s11709-019-0575-x

Abstract: Based on engineering practices of four typical traffic immersed tunnels built in China, this paper details

Keywords： foundation treatment method     immersed tunnel     subsoil stress     settlement    

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transmission equipments’ drive method of oil or gas from the explosions of Dalian pipeline—gathering and conveyance

Zeng Xiangwei,Chen Kun,Qiu Xiaoping,Zeng Xiaoge,Xiang Beiping,Zang Hongbin,Shi Lei,Gong Wei

Strategic Study of Chinese Academy of Engineering 2010, Volume 12, Issue 9,   Pages 34-38

Abstract:

Based on the analysis of the current explosions of Dalian pipeline in China, this paper focused on the collection and transmission equipments' drive method of oil or gas in the world and proposed a passive control principle and method. With the introduction of structure and principle of passive control shuttle-type key component, the passive shuttle-type control pipeline explosion protection system and the shuttle-type fire-fighting check valve for the huge oilcan were discussed in detail, which was very helpful for the collection and transmission of oil or gas.

Keywords： passive     control     gathering and conveyance of oil or gas     leakage    

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Impacts of opening baffle of city road tunnels on natural ventilation performance

Weixiao YANG, Jincheng XING, Jianxing LI, Jihong LING, Haixian HAO, Zhiqiang YAN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 55-61 doi: 10.1007/s11709-013-0194-x

Abstract: Based on the opening baffle mode for natural ventilation of city road tunnels, this paper studies thereaches its optimal performance when the length of the baffle is equal to the width of the city road tunnels

Keywords： city road tunnel     numerical simulation     baffle     top opening     natural ventilation    

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Three-dimensional finite difference analysis of shallow sprayed concrete tunnels crossing a reverse fault

Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 998-1011 doi: 10.1007/s11709-020-0621-8

Abstract: Urban tunnels crossing faults are always at the risk of severe damages.It is obtained that deeper tunnels show greater displacements for both types of faulting.

Keywords： urban tunnel     sprayed concrete     reverse fault     normal fault     finite difference analysis    

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Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Strategic Study of Chinese Academy of Engineering 2012, Volume 14, Issue 11,   Pages 24-28

Abstract: effectively controlled, which provides useful reference for the design and construction of similar tunnels

Keywords： tunnel     ultra-small spacing     asymmetric     shallow-buried     field measurement    

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Research on Combined Construction Technology for Cross-Subway Tunnels in Underground Spaces Article

Xiangsheng Chen

Engineering 2018, Volume 4, Issue 1,   Pages 103-111 doi: 10.1016/j.eng.2017.08.001

Abstract:

Given the increasingly notable segmentation of underground space by existing subway tunnels, it isnew method of solving key technical problems in underground spaces in effectively used cross-subway tunnels

Keywords： Operating subway tunnel     Underground space     Construction     Combined technology    

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Quantitatively assessing the pre-grouting effect on the stability of tunnels excavated in fault

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1393-1404 doi: 10.1007/s11709-019-0563-1

Abstract: Pre-grouting is a popular ground treatment strategy utilized to enhance the strength and stability of strata during the excavation of a tunnel through a fault zone. Two important questions need to be answered during such an excavation. First, how should the grouting size be determined? Second, when should excavation begin after grouting? These two questions are conventionally addressed through empirical experience and standard criteria because a reliable quantitative approach, which would be preferable, has not yet been developed. To address these questions, we apply a recently proposed numerical approach known as discontinuity layout optimization, an efficient node-based upper bound limit analysis method. A case study is provided utilizing a tunnel located in a stratum characterized by complicated geological conditions, including soft soil and a fault zone. The factor of safety is used to quantitatively assess the stability of the tunnel section. The influences of the grouted zone thickness and the time-dependent material properties of the grouted zone on the stability of the tunnel section are evaluated, thereby assisting designers by quantitatively assessing the effects of pre-grouting.

Keywords： pre-grouting     stability analysis     factor of safety     discontinuity layout optimization    

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Title Author Date Type Operation

Efficient Identification of water conveyance tunnels siltation based on ensemble deep learning

Journal Article

Research on Simulating Optimization of Long-distance Complex Water Conveyance Systems

Zhong Denghua,Liu Jianmin,Xiong Kaizhi

Journal Article

Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction: The Case of the Songhua River WaterConveyance Project in the Middle of Jilin Province

Shucai Li, Lichao Nie, Bin Liu

Journal Article

Key Technical Issues of TGP Permanent Shiplock

Fan Qixiang

Journal Article

Construction idea and design principle of railway tunnels

Wang Mengshu,Zhang Mei

Journal Article

Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Journal Article

Damage on lining concrete in highway tunnels under combined sulfate and chloride attack

Rongrong YIN, Chenchen ZHANG, Qing WU, Baocheng LI, He XIE

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Journal Article

transmission equipments’ drive method of oil or gas from the explosions of Dalian pipeline—gathering and conveyance

Zeng Xiangwei,Chen Kun,Qiu Xiaoping,Zeng Xiaoge,Xiang Beiping,Zang Hongbin,Shi Lei,Gong Wei

Journal Article

Impacts of opening baffle of city road tunnels on natural ventilation performance

Weixiao YANG, Jincheng XING, Jianxing LI, Jihong LING, Haixian HAO, Zhiqiang YAN

Journal Article

Three-dimensional finite difference analysis of shallow sprayed concrete tunnels crossing a reverse fault

Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS

Journal Article

Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Journal Article

Research on Combined Construction Technology for Cross-Subway Tunnels in Underground Spaces

Xiangsheng Chen

Journal Article

Quantitatively assessing the pre-grouting effect on the stability of tunnels excavated in fault

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Journal Article