POST-PEAK

作品数：19被引量：56H指数：4
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Load-bearing characteristics and energy evolution of fractured rock masses after granite and sandstone grouting
《Journal of Central South University》2024年第8期2810-2825,共16页WU Xu-kun ZHAO Guang-ming MENG Xiang-rui LIU Chong-yan LIU Zhi-xi HUANG Shun-jie ZHANG Qi-hang 
Project(2023YFC2907600)supported by the National Key Research and Development Program of China;Project(202203a07020011)supported by the Major Science and Technology Projects of Anhui Province,China;Project(T2021137)supported by the National Talent Project,China;Project(T000508)supported by the Leading Talent Project of the Special Support Plan of Anhui Province,China;Project(GXXT-2021-075)supported by the University Synergy Innovation Program of Anhui Province,China;Project(2022AH010053)supported by the Excellent Scientific Research and Innovation Team of Universities in Anhui Province,China;Project(2022CX1004)supported by the Anhui University of Science and Technology Postgraduate Innovation Fund Project,China。
Experiments on grouting-reinforced rock mass specimens with different particle sizes and features were carried out in this study to examine the effects of grouting reinforcement on the load-bearing characteristics of ...
关键词：grouting-reinforced rock mass particle size energy dissipation ratio post-peak stress decreasing rate load-bearing characteristics 
Mechanical parameter evolutions and deterioration constitutive model for ductile-brittle failure of surrounding rock in high-stress underground engineering被引量：2
《Underground Space》2024年第2期131-152,共22页Zhi Zheng Ronghua Li Qiang Zhang Xiaohua Huang Wei Wang Shuling Huang 
financial support received from the National Natural Science Foundation of China(Grant No.52109119);the Changjiang River Scientific Research Institute Open Research Program(Grant No.CKWV20221014/KY);the Guangxi Natural Science Foundation(Grant No.2021GXNSFBA075030);the Open Research Fund of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin(China Institute of Water Resources and Hydropower Research)(Grant No.IWHR-SKL-202202);the Guangxi Science and Technology Project(Grant No.GuikeAD20325002);the Systematic Project of Guangxi Key Laboratory of Disaster Prevention and Engineering Safety(Grant No.2020ZDK007)。
The deep surrounding rock is usually in the true triaxial stress state,and previous constitutive models based on the understanding of uniaxial and conventional triaxial test results have difficulty characterizing the ...
关键词：True triaxial stress Post-peak characteristics 3D deterioration model Elastic modulus evolution Cohesion and friction angle evolution 
Fermented calcium butyrate supplementation in post-peak laying hens improved ovarian function and tibia quality through the“gut-bone”axis被引量：1
《Animal Nutrition》2024年第1期350-362,共13页Huaiyong Zhang Yongshuai Wang Yilu Wang Bin Wei Leilei Wang Minh Tu Nguyen Xiangyun Lv Yanqun Huang Wen Chen 
financially supported by the National Natural Science Foundation of China(31772622);the special fund for young talent in Henan Agricultural University(30501324)
The compromised egg quality and leg abnormality during the end of the laying cycle(after 40 weeks)have been leading to poor animal welfare and substantial economic losses.Therefore,the effects of fermented calcium(Ca)...
关键词：Fermented Ca butyrate Ovarian property Tibia metabolism Layer 
Numerical analysis on the factors affecting post-peak characteristics of coal under uniaxial compression被引量：2
《International Journal of Coal Science & Technology》2024年第1期42-60,共19页Zhiguo Lu Wenjun Ju Fuqiang Gao Taotao Du 
National NaturalScience Foundation of China(52074151,52274085,52274123);Tiandi Science and Technology Co.,Ltd.Science and Technology Innovation Venture Capital Special Project(TDKC-2022-MS-01,TDKC-2022-QN-01,TDKC-2022-QN-02).
The post-peak characteristics of coal serve as a direct reflection of its failure process and are essential parameters for evaluating brittleness and bursting liability.Understanding the significant factors that influ...
关键词：Post-peak behavior Synthetic rock mass Coal bursts Coal burst prevention 
On the calibration of a shear stress criterion for rock joints to represent the full stress-strain profile
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第2期379-392,共14页Akram Deiminiat Jonathan D.Aubertin Yannic Ethier 
The authors acknowledge the financial support from Natural Sciences and Engineering Research Council of Canada through its Discovery Grant program(RGPIN-2022-03893);École de Technologie Supérieure(ÉTS)construction engineering research funding.
Conventional numerical solutions developed to describe the geomechanical behavior of rock interfaces subjected to differential load emphasize peak and residual shear strengths.The detailed analysis of preand post-peak...
关键词：Full shear profile Post-peak shear behavior Rock joint Joint roughness coefficient(JRC) Axial stress-strain curve 
Corrigendum to “Mechanical behavior of sandstone during post-peak cyclic loading and unloading under hydromechanical coupling”[Int J Min Sci Technol 33(8)(2023)927-947]
《International Journal of Mining Science and Technology》2023年第10期1317-1317,共1页Yanlin Zhao Jinhai Liu Chunshun Zhang Jian Liao Sitao Zhu Lianyang Zhang 
The authors regret that ‘Houquan Zhang’applies to remove his name and affiliation from the author list because he thought that he didn't make enough great contributions to this paper,just dis-cus:sion about the outl...
关键词：ENOUGH SANDSTONE behavior 
Mechanical behavior of sandstone during post-peak cyclic loading and unloading under hydromechanical coupling被引量：3
《International Journal of Mining Science and Technology》2023年第8期927-947,共21页Yanlin Zhao Jinhai Liu Chunshun Zhang Houquan Zhang Jian Liao Sitao Zhu Lianyang Zhang 
supported by the National Natural Science Foundation of China(Nos.52274118 and 52274145);the Construction Project of Chenzhou National Sustainable Development Agenda Innovation Demonstration Zone(No.2021sfQ18).
This paper investigates mechanical behaviours of sandstone during post-peak cyclic loading and unloading subjected to hydromechanical coupling effect, confirming the peak and residual strengths reduction laws of sands...
关键词：Post-peak stage Cyclic loading and unloading Hydromechanical coupling SANDSTONE Water pressure 
A post-peak dilatancy model for soft rock and its application in deep tunnel excavation被引量：9
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第3期683-701,共19页Wuqiang Cai Hehua Zhu Wenhao Liang Xiaojun Wang Chenlong Su Xiangyang Wei 
funded by a Special Fund for Basic Research on Scientific Instruments of the National Natural Science Foundation of China(Grant No.41827807);the Study on Intelligent Technology for Tunnels Construction of Sichuan-Tibet Railway(Grant No.19-21-1).
The dilation angle is the most commonly used parameter to study nonlinear post-peak dilatancy(PPD)behavior and simulate surrounding rock deformation;however,simplified or constant dilatancy models are often used in nu...
关键词：Deep excavation Post-peak dilatancy(PPD)model AlejanoeAlonso(AeA)dilatancy model Soft rock 
Calibration and uniqueness analysis of microparameters for DEM cohesive granular material被引量：4
《International Journal of Mining Science and Technology》2022年第1期121-136,共16页Songtao Ji Jurij Karlovšek 
The differential evolution(DE)algorithm was deployed to calibrate microparameters of the DEM cohesive granular material.4 macroparameters,namely,uniaxial compressive strength,direct tensile strength,Young’s modulus a...
关键词：Discrete element method(DEM) Particle flow code(PFC) Differential evolution(DE) Parameter calibration Uniqueness analysis Post-peak behaviour 
The Effects of a Four-Week Neuromuscular Training Program on Landing Kinematics in Pre-and Post-Peak Height Velocity Male Athletes
《Journal of Science in Sport and Exercise》2021年第1期37-46,共10页Paul J.Read Jon L.Oliver Ian J.Dobbs Megan A.Wong Nakul Tumkur Anil Kumar Rhodri S.Lloyd 
Purpose Neuromuscular training aims to enhance motor skill competency and increase muscle strength.However,the effectiveness of short-duration interventions focused on addressing lower limb injury risk factors in male...
关键词：Injury risk MATURATION LANDING 
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