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Large deformation problems arising from deep excavation in silt strata:A case study in Shenzhen,China
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2576-2589,共14页Xuefeng Ou Wei Liao Xiangcou Zheng Guofu Yang Ashraf S.Osman 
supported by the National Natural Science Foundation of China (Grant Nos.52008039 and 52308425);the Natural Science Foundation of Hunan Province (Grant No.2021JJ40592).
Deep excavations in silt strata can lead to large deformation problems,posing risks to both the excavation and adjacent structures.This study combines field monitoring with numerical simulation to investigate the unde...
关键词：Silt strata Deep excavation Large deformation Deformation mechanism Treatment measures 
Classification and rating of disintegrated dolomite strata for slope stability analysis
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第7期2552-2562,共11页Wenlian Liu Xinyue Gong Jiaxing Dong Hanhua Xu Peixuan Dai Shengwei Zhang 
supported by the National Natural Science Foundation of China(Grant No.42162026);the Applied Basic Research Foundation of Yunnan Province(Grant No.202201AT070083).
Although disintegrated dolomite,widely distributed across the globe,has conventionally been a focus of research in underground engineering,the issue of slope stability issues in disintegrated dolomite strata is gainin...
关键词：Disintegrated dolomite slope Basic quality(BQ) Slope stability probability classification (SSPC) Rock mass quality classification Limit equilibrium method(LEM) 
Numerical modeling of destress blasting for strata separation被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第9期2238-2249,共12页Petr Konicek Tuo Chen Hani S.Mitri 
Destress blasting(DB)implemented along the perimeter of safety pillars is a special application of destressing in coal longwall mining.The goal is to separate relatively more deformed mined areas from safety pillars,s...
关键词：Rockburst hazard Destress blasting(DB) Strata separation Safety pillar Numerical modeling Fragmentation factor Stress dissipation factor Longwall mining 
Model-scale tests to examine water pressures acting on potentially buoyant underground structures in clay strata被引量：3
《Journal of Rock Mechanics and Geotechnical Engineering》2022年第3期861-872,共12页Zhisheng Ren Qixian Lu Kaiwen Liu Pengpeng Ni Guoxiong Mei 
supported by the National Natural Science Foundation of China (Grant Nos. 51878185, 52078506, and 52178321)
Throughout the service life, underground structures are subjected to transient and sustained hydrostatic pressures. The reservoir impoundment results in an increase in water level, as well as hydraulic gradient,which ...
关键词：Buoyant force Reservoir impoundment Pore pressure generation Reduction factor Uplift pressure Time lag effect 
Geomechanical model test for analysis of surrounding rock behaviours in composite strata被引量：6
《Journal of Rock Mechanics and Geotechnical Engineering》2021年第4期774-786,共13页Linken Shi Hui Zhou Ming Song Jingjing Lu Zhenjiang Liu 
supported by the National Natural Science Foundation of China(Grant No.41941018);the National Program on Key Basic Research of China(973 Program)(Grant No.2014CB046902);The partial support from the Hubei Province Natural Science Foundation Innovation Group(Grant No.2018CFA013)。
Due to the large differences in physico-mechanical pro perties of composite strata,jamming,head sinking and other serious consequences occur frequently during tunnel boring machine(TBM)excavation.To analyse the stabil...
关键词：Model test Tunnel excavation Composite strata Deformation and failure mechanism Stability analysis 
Behaviors of overlying strata in extra-thick coal seams using top-coalcaving method被引量：7
《Journal of Rock Mechanics and Geotechnical Engineering》2016年第2期238-247,共10页Bin Yu 
supported by the Special Funding Projects of“Sanjin Scholars”Supporting Plan(Grant No.2050205)
Accidents such as support failure and excessive deformation of roadways due to drastic changes in strata behaviors are frequently reported when mining the extra-thick coal seams Nos.3e5 in Datong coal mine with top-co...
关键词：Extra-thick coal seam Datong mining area Large-space structure Near-and far-field strata Strata behavior Key strata 
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