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Analytical solution for determining wall closure associated with stope excavation underneath sill mat constructed by cemented backfill: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期983-995,共13页Chuan Fan Li Li Xiaocong Yang Guangsheng Liu Lijie Guo Jing Tang; financial support from the Young Scientist Project of the National Key Research and Development Program of China(Grant No.2021YFC2900600);the Beijing Nova Program(Grant No.20220484057);The authors acknowledge the financial support from the Natural Sciences and Engineering Research Council of Canada(Grant No.RGPIN-2018-06902);industrial partners of the Research Institute on Mines and the Environment(RIME UQAT-Polytechnique:https://irme.ca/en/).; In the underhand cut-and-fill mining method,a sill mat(i.e.an artificial horizontal pillar)constructed by cemented backfill is essential to prevent mine workers from being directly exposed under problematic rock roofs...; 关键词：Underhand cut-and-fill mining BACKFILL Wall closure Analytical solution FLAC3D Flamant model

Analytical solution for estimating the minimum required strength of sill mat by considering failure due to rock wall closure: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期996-1007,共12页Chuan Fan Li Li Guangsheng Liu Xiaocong Yang Lijie Guo Jing Tang; financial support from the Young Scientist Project of the National Key Research and Development Program of China(Grant No.2021YFC2900600);Beijing Nova Program(Grant No.20220484057);The authors acknowledge the financial support from the Natural Sciences and Engineering Research Council of Canada(Grant No.RGPIN-2018-06902);industrial partners of the Research Institute on Mines and the Environment(RIME UQAT-Polytechnique:https://irme.ca/en/).; Underhand cut-and-fill mining has been widely used in underground mining operations,especially when the rock mass or orebody is of poor quality or prone to rockburst due to high stress.In such cases,mining workers sho...; 关键词：Underhand cut-and-fill mining Cemented backfill Wall closure CRUSHING Required strength Analytical solution

Deformation analysis of ground and existing tunnel induced by overlapped curved shield tunneling: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期795-809,共15页Yingnan Liu Huayang Lei Liang Shi Gang Zheng Mengting Wang; financially supported by the National Natural Science Foundation of China(Grant No.52078334);the National Key Research and Development Program of China(Grant No.2017YFC0805402);the Tianjin Research Innovation Project for Postgraduate Students(Grant No.2021YJSB141).; The deformation caused by tunnel excavation is quite important for safety,especially when it is adjacent to the existing tunnel.Nevertheless,the investigation of deformation characteristics in overlapped curved shield...; 关键词：Overlapped curved shield tunneling Analytical solution Ground deformation Existing tunnel Overcutting mode

An improved analytical solution for solving the shield tunnel uplift problem: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4570-4585,共16页Bin Wang Jietao Li Chenyang Zhao Jun Wang; the National Natural Science Foundation of China (Grant Nos.52379111,51979270 and 52208380).; The problem of shield tunnel uplift is a common issue in tunnel construction.Due to the decrease in shear stiffness at the joints between the rings,uplift is typically observed as bending and dislocation deformation a...; 关键词：Analytical solution Conceptual model Matrix transfer method Shield tunnel Timoshenko beam theory Tunnel uplift

Analytical solution for longitudinal deformation of shield tunnel induced by overcrossing tunnelling considering circumferential joints被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第9期2355-2374,共20页Zhiwei Zhang Rongzhu Liang Zhongchao Li Cheng Kang MHEl Naggar Mingzhao Xiao Wenbing Wu; This paper presents a new analytical solution for assessing the longitudinal deformation of shield tunnel associated with overcrossing tunnelling in consideration of circumferential joints.A simplified longitudinal be...; 关键词：Overcrossing tunnelling Shield tunnel Circumferential joints Longitudinal beam-spring model(LBSM) Opening DISLOCATION

Revisiting the analytical solutions for ultimate bearing capacity of pile embedded in rocks: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第6期1506-1519,共14页A.Picardo M.A.Millán R.Galindo A.Alencar; This paper investigates the validity and shortcomings of the existing analytical solution for the ultimate bearing capacity of a pile embedded in a rock mass using the modified HoekeBrown failure criterion.Although th...; 关键词：Discontinuity layout optimization(DLO) Analytical solution Bearing capacity Deep foundations HoekeBrown failure criterion Finite difference method(FDM)

An analytical solution of equivalent elastic modulus considering confining stress and its variables sensitivity analysis for fractured rock masses被引量：3: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第3期825-836,共12页Donghui Chen Huie Chen Wen Zhang Junqing Lou Bo Shan; financially supported by the National Nature Science Foundation of China (Grant Nos. 42022053 and 41877220); The equivalent elastic modulus is a parameter for controlling the deformation behavior of fractured rock masses in the equivalent continuum approach.The confining stress,whose effect on the equivalent elastic modulus ...; 关键词：Equivalent elastic modulus Confining stress Rock masses Sensitivity

Poroelastic solution of a wellbore in a swelling rock with non-hydrostatic stress field: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第2期303-314,共12页Mohsen S.Masoudian Zhongwei Chen Christopher Leonardi; supported by the Advance Queensland Industry Research Fellowship (mid-career) scheme;the University of Queensland (UQ),and the proponents of the UQ Centre for Natural Gas (Australia Pacific LNG, Santos, and Arrow Energy)。; The stress distribution around a circular borehole has been studied extensively. The existing analytical poroelastic solutions, however, often neglect the complex interactions between the solid and fluid that can sign...; 关键词：Poroelasticity Coupled geomechanics Analytical solution Wellbore Cavity expansion Coalbed methane(CBM)

Discussion on “Analysis of Bingham fluid radial flow in smooth fractures”[J Rock Mech Geotech Eng 12(2020) 1112e1118]被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第4期937-944,共8页Van Thanh Hoang Wankun Liu Jang Min Park; financially supported by Yeungnam University Research Grant Program 2019。; Recently,Zou et al.(2020 a)published a theoretical analysis on the radial flow of a Bingham fluid,where they argued that the classical analysis by Dai and Bird(1981)violates the mass conservation.The present discussio...; 关键词：Rock grouting Radial flow Bingham fluid Analytical solution

A two-dimensional limit equilibrium computer code for analysis of complex toppling slope failures被引量：5: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第1期114-130,共17页Akbar Ardestani Mehdi Amini Kamran Esmaeili; Evaluation of blocky or layered rock slopes against toppling failures has remained of great concern for engineers in various rock mechanics projects.Several step-by-step analytical solutions have been developed for an...; 关键词：Rock slope Toppling failures Analytical solution Windows form application Deterministic analysis Probabilistic analysis

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