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TUNNELS: 作品数：158被引量：503H指数：10; 导出分析报告; 相关领域：交通运输工程建筑科学更多>>; 相关作者：施明恒童艳何川张海波白廷全更多>>; 相关机构：深圳市第二人民医院东南大学南京工业大学沪汉蓉铁路湖北有限责任公司更多>>; 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重庆市自然科学基金更多>>

Study on the influence factors of HST running in the tunnels at 400 km/h: 《Railway Sciences》2025年第2期213-230,共18页Lei Liu Gengjie Sun Ziwei Zhang Jiaqiang Han; Purpose–The paper aims to clarify the operation rationality of high speed trains(HSTs)under tunnel condition with the speed of 400 km/h through representative aerodynamic factors including running drag,eardrum comfor...; 关键词：400 km/h high-speed railway operating condition Train-tunnel aerodynamic effects Coupling analysis Engineering optimization

Analysis of Reinforcement Techniques for Newly Built Tunnel Defects: 《Journal of Architectural Research and Development》2025年第1期1-7,共7页Yike Wei; Newly built tunnels often encounter a series of defects within the first few years of operation.If not promptly addressed and reinforced,these defects threaten the tunnel's durability and stability and bring severe ch...; 关键词：Newly built tunnels Defect treatment and reinforcement Initial support deformation Lining cracking

Unified elastoplastic solution for the stress and displacement of tunnel lining and surrounding rock in cold areas considering heterogeneous characteristics: 《Research in Cold and Arid Regions》2024年第6期278-291,共14页Bin Wang ZiHao Zhang XiuLing Liang ChuanXin Rong HaiBing Cai; supported by the Natural Science Foundation of Anhui Province(2408085ME147);Engineering Research Center of the Ministry of Education for Underground Mining Engineering(JYBGCZX2022103);the Key Laboratory of Building Structure and Underground Engineering of Anhui Province(KLBSUE-2023-02);the Key Laboratory of Underground Engineering and Disaster Prevention and Control of Henan Province(KFKT 2023-06);supported by National Natural Science Foundation of China(No.52378384);Natural Science Foundation of Anhui Province(No.2308085ME188).; The lining and surrounding rock around tunnels constructed in cold areas exhibit nonuniform material properties due to the existence of a temperature field.This study considered the effects of these properties on the ...; 关键词：TUNNELS Cold regions Heterogeneous characteristics Elastoplastic analysis Mechanical model Strength criterion

Optimal intensity measures for longitudinal seismic response of tunnels: 《Journal of Southeast University(English Edition)》2024年第4期346-354,共9页Zhao Xu Yang Yujie Huang Jingqi Zhao Mi Cao Shengtao; National Key Research and Development Program of China(No.2022YFC3004300);the National Natural Science Foundation of China(No.52378475).; To study the ground motion intensity measures(IMs)suitable for the design of seismic performance with a focus on longitudinal resistance in tunnel structures,21 different seismic intensity parameters are selected for ...; 关键词：seismic intensity measures tunnel longitudinal direction probabilistic seismic demand model soil-tunnel interaction improved ground-beam model

The role of polyurethane foam compressible layer in the mechanical behaviour of multi-layer yielding supports for deep soft rock tunnels: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4554-4569,共16页Haibo Wang Fuming Wang Chengchao Guo Lei Qin Jun Liu Tongming Qu; supported by the National Key Research and Development Program of China (Grant No.2021YFB2600800);the National Key Research and Development 451 Program of China (Grant No.2021YFC3100803);the Guangdong Innovative and Entrepreneurial Research Team Program (Grant No.2016ZT06N340).; The polyurethane foam(PU)compressible layer is a viable solution to the problem of damage to the secondary lining in squeezing tunnels.Nevertheless,the mechanical behaviour of the multi-layer yielding supports has not...; 关键词：Multi-layer yielding supports Polyurethane foam compressible layer Synergistic mechanism Large-scale model test Deep soft rock tunnels

Dynamic performance assessment of shallow buried circular tunnels under explosion hazard: 《Journal of Central South University》2024年第11期3868-3884,共17页ZHANG Chen-long ZHANG Dong-ming HUANG Zhong-kai HUANG Zhen; Project(22dz1201202)supported by the Shanghai Science and Technology Committee Program,China;Projects(52108381,52090082)supported by the National Natural Science Foundation of China;Project(2023QNRC001)supported by the Young Elite Scientists Sponsorship Program by CAST,China;Project(TSY2022QT161)supported by the Damage Database for Urban Rail Transit Underground Structures and Resilience Evaluation Algorithm Research。; In recent years,the escalation in accidental explosions has emerged as a formidable threat to tunnel infrastructures.Therefore,it is of great significance to conduct a dynamic performance analysis of the tunnels,to im...; 关键词：TUNNELS explosion hazard dynamic performance assessment parametric analysis numerical study

Negative Poisson's ratio anchor cable support for fault tunnels with different inclination angles under earthquake: 《Journal of Mountain Science》2024年第11期3814-3831,共18页YANG Xiaojie ZHANG Xiaoyu FENG Yuxiang ZHAO Yi TAO Zhigang WEN Lifan TIE Jingjing; funded by the National Natural Science Foundation of China(Grant No.42377154).; It is inevitable to encounter fault zones in tunnel construction.These faults can lead to significant deformations and potential collapses of the surrounding rock in the tunnel.Therefore,it is crucial to study the inf...; 关键词：Different dip angles Fault areas NPR anchor cable Physical model test

Mechanical properties of steel mesh in anchor-mesh support for rocky tunnels: 《Journal of Mountain Science》2024年第10期3487-3502,共16页SUN Keguo JIA Jinglong XU Weiping ZHANG Yu WANG Jinjin WANG Yichao LIU Yongkui; funded by the National Natural Science Foundation of China(Grant No.52178396).; Underground geotechnical engineering encounters persistent challenges in ensuring the stability and safety of surrounding rock structures, particularly within rocky tunnels. Rock reinforcement techniques, including th...; 关键词：TUNNEL Steel mesh BP neural network Anchor-mesh support Rock reinforcement technique

Assessing foundation behaviour under complex loading near tunnels: 《Journal of Mountain Science》2024年第10期3503-3520,共18页Piyush KUMAR Vinay Bhushan CHAUHAN Aayush KUMAR; supported by the Civil Engineering Department, Madan Mohan Malaviya University of Technology, Gorakhpur, India; The stability of strip footings subjected to eccentrically inclined loads is critical for reliable foundation design.This study investigates the effect of a circular unlined tunnel in a rock mass on the ultimate beari...; 关键词：Unlined tunnel Shallow foundation FELA Rock Mass ANN MLR

Research on visual differences of exits of different grades of tunnels based on machine learning: 《Digital Transportation and Safety》2024年第3期75-81,共7页Fangtong Jiao Zhenwei Shi Lingyu Li Wenpin Xu Qing Lan; supported by the National Natural Science Foundation of China(52302437);the Cangzhou Science and Technology Plan Project(213101011);the Science and Technology Program Projects of Shandong Provincial Department of Transportation(2024B28);the Doctoral Scientific Research Start-up Foundation of Shandong University of Technology(422049).; Tunnels are vital in connecting crucial transportation hubs as transportation infrastructure evolves.Variations in tunnel design standards and driving conditions across different levels directly impact driver visual p...; 关键词：Traffic safety Tunnel exit Machine learning model Fixation characteristics Scanning characteristics

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