SURROUNDING_ROCK

作品数：127被引量：656H指数：15
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An Analytic Solution of Stress Distribution Around a Shallow Buried Hollow Cylinder Karst Cave in Limestone Strata
《International Journal of Plant Engineering and Management》2025年第1期1-16,共16页DU Luyi LI Wu LI Zhaojie LI Xiang DONG Jinshuang XIE Peng 
supported by National Natural Science Foundation of China(42002293,52068019);Hainan Provincial Natural Science Foundation of China(520QN229,422RC599);Independent Innovation Fund Project of Tianjin University and Hainan University(KF2022⁃03);Scientific Research Startup Foundation of Hainan university(KYQD(2R)1969);Systematic Project of Key Laboratory of Geological Hazards on Three Gorges Reservoir Area(Three Gorges University),Ministry of Education(2020KDZ04).
The chief objective of the article is to learn the spatial characteristics of stress distribution around a shallow buried cylinder Karst cave in limestone strata.Firstly,taking into account the geometry of limestone f...
关键词：cylinder Karst cave shallow buried spatial stress distribution of surrounding rock love displacement function three⁃dimensional explicit finite difference 
Stress gradient analytic solution and reasonable support prestress of roadway surrounding rock based on unified strength criterion:A case study
《Journal of Central South University》2025年第2期449-468,共20页JING Suo-lin WEN Zhi-jie ZUO Yu-jun LI Qiu-ju HAO Peng 
Project(52274130)supported by the National Natural Science Foundation of China;Project(ZR2024ZD22)supported by the Major Basic Research Project of the Shandong Provincial Natural Science Foundation,China;Project(2023375)supported by the Guizhou University Research and Innovation Team,China;Project(Leading Fund(2023)09)supported by the Natural Science Research Fund of Guizhou University,China;Project(JYBSYS2021101)supported by the Open Fund of Key Laboratory of Safe and Effective Coal Mining,Ministry of Education,China。
The stress gradient of surrounding rock and reasonable prestress of support are the keys to ensuring the stability of roadways.The elastic-plastic analytical solution for surrounding rock was derived based on unified ...
关键词：PRESTRESS support compensation surrounding rock damage stress gradient analytic solution unified strength theory 
Quantitative principles of dynamic interaction between rock support and surrounding rock in rockburst roadways
《International Journal of Mining Science and Technology》2025年第1期41-55,共15页Lianpeng Dai Dingjie Feng Yishan Pan Aiwen Wang Ying Ma Yonghui Xiao Jianzhuo Zhang 
funded by the National Natural Science Foundation of China (No. 52304133);the National Key R&D Program of China (No. 2022YFC3004605);the Department of Science and Technology of Liaoning Province (No. 2023-BS-083)。
Rockbursts, which mainly affect mining roadways, are dynamic disasters arising from the surrounding rock under high stress. Understanding the interaction between supports and the surrounding rock is necessary for effe...
关键词：Deep roadway ROCKBURST Dynamic interaction Rock support Surrounding rock Rockburst control 
Prediction model of surrounding rock deformation in doublecontinuous-arch tunnel based on the ABC-WNN被引量：1
《Railway Sciences》2024年第6期717-730,共14页Yahui Zhang 
funded by the Natural Science Foundation of Hebei Province(No:E2020210068);Project of Science and Technology Research and Development Program of China National Railway Group Co.,Ltd.(No:N2020G009).
Purpose–The wavelet neural network(WNN)has the drawbacks of slow convergence speed and easy falling into local optima in data prediction.Although the artificial bee colony(ABC)algorithm has strong global optimization...
关键词：Double arch tunnel Deformation prediction Artificial bee colonies Surrounding rock Wavelet neural network 
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 
Stability prediction of roadway surrounding rock using INGO-RF
《Geohazard Mechanics》2024年第4期270-278,共9页Xinchao Cui Hongfei Duan Wei Wang Yun Qi Kailong Xue Qingjie Qi 
supported by the National Natural Science Foun-dation of China (No.52174188);the Shanxi Basic Research Program (Free Exploration)Project of China (No.202203021222300).
In order to more accurately classify the stability of roadway surrounding rock and identify dangerous areas in a timely manner to prevent roadway collapse and other disasters,this study proposes an Improved Northern G...
关键词：Roadway surrounding rock stability Northern goshawk optimization(NGO) Random forest(RF) Prediction model Model performance index 
Water-induced physicochemical and pore changes in limestone for surrounding rock across pressure aquifers
《Journal of Mountain Science》2024年第9期3186-3200,共15页WU Daguo PENG Jianhe XIA Zhenzhao 
funded by the National Key R&D Program of China(2023YFC3806800).
Osmotic water alters the physicochemical properties and internal structures of limestone.This issue is particularly critical in tunnel construction across mountainous regions with aquifers,where pressurized groundwate...
关键词：Water rock reaction Geochemistry Osmotic pressure Pore scale study LIMESTONE Pressure aquifer 
Reduced magma generation and its implications for the Pulang giant porphyry Cu-polymetallic deposit in Northwest Yunnan,China
《Acta Geochimica》2024年第4期802-813,共12页Jingwei Guan Tao Ren Lei Wang Shenjin Guan Lianrong Wu Baosheng Shi 
supported by the National Natural Science Foundation of China(NSFC)project(42163005).
The Pulang giant porphyry Cu-Mo polymetallic deposit is located in the Zhongdian area in the center of the Sanjiang Tethys tectonic domain,which was formed by the westward subduction of the Garze-Litang oceanic slab b...
关键词：Porphyry deposit Oxygen fugacity(fO_(2)) Contamination of surrounding rock Pulang Zhongdian arc 
Heterogeneous information phase space reconstruction and stability prediction of filling body–surrounding rock combination
《International Journal of Minerals,Metallurgy and Materials》2024年第7期1500-1511,共12页Dapeng Chen Shenghua Yin Weiguo Long Rongfu Yan Yufei Zhang Zepeng Yan Leiming Wang Wei Chen 
the National Key R&D Program of China(No.2022YFC2904103);the Key Program of the National Natural Science Foundation of China(No.52034001);the 111 Project(No.B20041);the China National Postdoctoral Program for Innovative Talents(No.BX20230041)。
Traditional research believes that the filling body can effectively control stress concentration while ignoring the problems of unknown stability and the complex and changeable stress distribution of the filling body...
关键词：deep mining filling body–surrounding rock combination phase space reconstruction multiple time series stability prediction 
Assessing the range of blasting-induced cracks in the surrounding rock of deeply buried tunnels based on the unified strength theory
《Journal of Central South University》2024年第7期2341-2364,共24页LI Liang CHEN Jia-jun ZHAO Lian-heng HE Ke-pei HU Shi-hong LI Hua-long 
Project(2021JJ10063)supported by the Natural Science Foundation of Hunan Province,China;Project(202115)supported by the Science and Technology Progress and Innovation Project of Hunan Provincial Department of Transportation,China;Project(2021K094-Z)supported by the Science and Technology Research and Development Program of China Railway Guangzhou Group Co.,Ltd。
Blasting-induced cracks in the rock surrounding deeply buried tunnels can result in water gushing and rock mass collapse,posing significant safety risks.However,previous theoretical studies on the range of blasting-in...
关键词：deep drilling and blasting cracks in surrounding rock unified strength theory intermediate principle stress in-situ stress cavity expansion dilatancy characteristics 
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