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TUNNEL: 作品数：890被引量：1951H指数：16; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：张照煌利奕年唐灯平刘东民杨其新更多>>; 相关机构：上海隧道工程股份有限公司东南大学同济大学上海交通大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金北京市自然科学基金更多>>

Fluid-solid coupling numerical simulation of micro-disturbance grouting treatment for excessive deformation of shield tunnel: 《Underground Space》2024年第6期87-100,共14页Yanjie Zhang Zheng Cao Chun Liu Hongwei Huang; supported by the Natural Science Foundation of Henan,China(Grant No.242300421646);the Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education,Tongji University,China(Grant No.KLE-TJGE-B2205).; Micro-disturbance grouting is a recovery technique to reduce the excessive deformation of operational shield tunnels in urban areas.The grout mass behaves as a fluid in the ground before hardening to form a grout–soi...; 关键词：Fluid-solid coupling Discrete element method Pore density flow Micro-disturbance grouting Soil-tunnel interaction

Experimental investigation on rockburst characteristics of highly stressed D-shape tunnel subjected to impact load: 《Underground Space》2024年第6期153-168,共16页Wuxing Wu Fengqiang Gong Zongxian Zhang; supported by the National Natural Science Foundation of China(Grant No.42077244);the Open Research Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences(Grant No.Z020005)。; Rockburst has always been a challenge for the safe construction of deep underground engineering.This study investigated the rockburst characteristics in highly-stressed D-shape tunnels under impact loads from rock bla...; 关键词：ROCKBURST SPALLING D-shape tunnel Impact load Biaxial prestresses Biaxial Hopkinson pressure bar

Influence of cutterhead opening ratio on soil arching effect and face stability during tunnelling through non-uniform soils被引量：1: 《Underground Space》2024年第4期45-59,共15页Xue-Jian Chen Pei-Pei Fang Qiu-Nan Chen Jun Hu Kai Yao Yong Liu; supported by the Natural Science Foundation Innovation Group Project of Hubei Province,China(Grant No.2023AFA017);the NRF-NSFC 3rd Joint Research Grant(Earth Science)(Grant No.41861144022).; Tunnelling has increasingly become an essential tool in the exploration of underground space.A typical construction problem is the face instability during tunnelling,posing a great threat to associated infrastructures...; 关键词：TUNNEL Face stability Soil arching effect Cutterhead opening ratio Non-uniform soil Random field

Theoretical prediction of ground settlements due to shield tunneling in multi-layered soils considering process parameters: 《Underground Space》2024年第3期29-43,共15页Liqiang Cao Xiangsheng Chen Dechun Lu Dingli Zhang Dong Su; support by the National Natural Science Foundation of China(Grant Nos.52108376,51738002,and 52090084);China Postdoctoral Science Foundation(Grant No.2022 T150436).; This paper conducts a theoretical analysis of ground settlements due to shield tunneling in multi-layered soils which are usually encountered in urban areas.The proposed theoretical solution which is based on the gene...; 关键词：TUNNELING SHIELD Ground settlements Theoretical analysis Urban areas Multi-layered soils Qinghuayuan Tunnel

Coupling analysis method of grouting construction with deformation response of adjacent existing tunnel: 《Underground Space》2024年第2期312-330,共19页Ping-wei Jiang Zhi-hong Zhang Hong Zheng Jin-kun Huang; financial support from the Key Program of National Natural Science Foundation of China(Grant No.52130905).; In the new tunnel under close distance through the existing tunnel risk source,the grouting scheme developed to compensate for stratum losses is still based on empirical methods,relying on the overburden thickness of ...; 关键词：GROUTING Close-range underpass TUNNEL Random medium theory Euler-Bernoulli continuous beam

Dynamic response of water-rich tunnel subjected to plane P wave considering excavation induced damage zone: 《Underground Space》2024年第2期113-130,共18页Gongliang Xiang Ming Tao Rui Zhao Huatao Zhao Muhammad Burhan Memon Chengqing Wu; supported by the National Natural Science Foundation of China(Grant Nos.12072376 and 52274105).; The stability analysis of a deep buried tunnel subjected to dynamic disturbance is an important issue.In this study,the transient response has been obtained by establishing a water-rich tunnel model considering excava...; 关键词：Water-rich tunnel Two-phase dynamic theory Wave scattering Transient response Dynamic stress concentration

Experimental study on performance of spring damping support structure system for large deformation tunnel in soft rock: 《Underground Space》2024年第2期221-243,共23页Jinfeng Xu Xiongyao Xie Zhou Shi Wuqiang Cai Dinglun Xu Chen Xu; supported by the National Nature Science Funds of China(Grant Nos.52038008,and 42207176);the Science and Technology Project of the Department of Transport of Yunnan Province China(Yunnan Transportation Science and Education[2021]No.7);Ningbo Natural Science Funds(Grant No.2022J116).The authors gratefully acknowledge their financial support.; According to the convergence confinement theory,it is an effective measure to control the large deformation of high ground stress in fractured soft rock tunnels by using yielding support.The yielding support can be cl...; 关键词：Soft rock Highway tunnel Convergence confinement method Circumferential yielding support with spring damping element Numerical calculations Field test

Test and damage assessment of shallow buried RC tunnel under explosion被引量：1: 《Underground Space》2024年第1期118-137,共20页Longyun Zhou Xiaojun Li Qiushi Yan Shutao Li Song Chang Pengcheng Ren; supported by the National Natural Science Foundation of China(Grant No.51678018).; As a major element of the transportation network,tunnels are unavoidably threatened by accidental loads such as vehicle bombs and tank truck explosions.The goal of this research is to explore the dynamic characteristi...; 关键词：Shallow buried tunnel Blast location Blast resistance Axial residual bearing capacity Damage assessment

Numerical simulation analysis of tunnel backfill grout based on DEM-FDM coupling and particle inlet被引量：1: 《Underground Space》2024年第1期285-299,共15页Bin Yan Rui Wang Bo-song Ding Fang Dai You Wang; supported by National Natural Science Foundation of China of China(Grant Nos.51778633 and 51308552);2020 Science and Technology Research and Development Plan Guiding Subjects of China Railway Corporation Ltd.(Grant Nos.41 and 243);2022 Annual Science and Technology Research and Development Plan and Funded Topics of China Railway Construction Corporation Ltd.(Grant No.2022-C1).; Shield tunnel backfill grouting is vital to stabilize tunnel settlement at a later stage;however,most shield tunnel backfill grouting designs lack a complete theoretical reference,and numerical simulations of the grou...; 关键词：Shield tunnel Backfill grouting Discrete element Finite difference Particle generator

Optimization of pipe circuits in energy tunnels: 《Underground Space》2023年第6期166-182,共17页Jie He Mei Yin Xiangyang Wei Zhenhuang Wu; supported by the Royal Society Inter-national Exchange,China(Grant No.IES\R1\211092);the China Postdoctoral Science Foundation(Grant No.2019M651580).; Geothermal energy is a kind of green and renewable energy.Conventionally,ground source heat pumps can be used to harvest geothermal energy from the subsurface.To reduce the initial investment,a good solution is to use...; 关键词：Energy tunnel Thermal efficiency Finite element model Heat transfer

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