云南高校图书馆联盟文献共享服务平台- ROCKFILL

ROCKFILL: 作品数：35被引量：278H指数：9; 导出分析报告; 相关领域：建筑科学更多>>; 相关机构：清华大学更多>>; 相关期刊：《Geoscience Frontiers》《Journal of Hydrodynamics》《World Journal of Engineering and Technology》《Frontiers of Structural and Civil Engineering》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更多>>

Discrete Element Modelling of Dynamic Behaviour of Rockfills forResisting High Speed Projectile Penetration被引量：3: 《Computer Modeling in Engineering & Sciences》2021年第5期721-735,共15页Tingting Zhao Y.T.Feng Jie Zhang Zhihua Wang Zhiyong Wang; This work is partially supported by National Natural Science Foundation of China under Grant No.12072217;by Open Fund of State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology,Beijing,China[Grant No.SKLCRSM19KFA12].The support is gratefully acknowledged.; This paper presents a convex polyhedral based discrete element method for modelling the dynamic behaviour ofrockfills for resisting high speed projectile penetration. The contact between two convex polyhedra is define...; 关键词：Discrete element method minkowski overlap polyhedral particles rockfill protection system high speed projectile penetration

Experimental study on compaction-induced anisotropic mechanical property of rockfill material被引量：1: 《Frontiers of Structural and Civil Engineering》2021年第1期109-123,共15页Xiangtao ZHANG Yizhao GAO Yuan WANG Yu-zhen YU Xun SUN; This work was supported by the National Key R&D Program of China(No.2017YFC0404802);the National Natural Science Foundation of China(Grant Nos.U1965206 and 51979143).; The anisotropy of rockfill materials has a significant influence on the performance of engineering structures.However,relevant research data are very limited,because of the difficulty with preparing specimens with dif...; 关键词：ROCKFILL inclination of specimen preparation ANISOTROPY mechanical property mechanism

Investigation on Fractal Characteristics of Disintegration Process and Strength of Rockfill under Water Pressure: 《Journal of Geoscience and Environment Protection》2020年第6期20-35,共16页Hao Cheng Peifeng Han Youwen Su; The paper aimed to investigate internal mechanics between disintegration of the rockfill material and stability of the dam, and further provide scientific evidence for the design of rockfills, through the conducted di...; 关键词：ROCKFILL Slaking Characteristics Fractal Dimension Value STRENGTH Defor-mation

Assessment of digital image correlation method in determining large scale cemented rockfill strains被引量：7: 《International Journal of Mining Science and Technology》2019年第5期771-776,共6页Bob A.Lingga Derek B.Apel Mohammadali Sepehri Yuanyuan Pu; A conventional contact method(using linear transducers)and a non-contact method are deployed to measure the axial and lateral deformations of large scale cylindrical cemented rockfill specimens.Experimental works inco...; 关键词：Experimental testing CEMENTED ROCKFILL Digital image correlation Strain measurement MINE BACKFILL

Long-term deformation analysis of Shuibuya concrete face rockfill dam based on response surface method and improved genetic algorithm被引量：12: 《Water Science and Engineering》2019年第3期196-204,共9页Fu-hai Yao Shao-heng Guan He Yang Yuan Chen Huan-feng Qiu Gang Ma Qi-wen Liu; supported by the National Natural Science Foundation of China(Grant No.51579193);the Science and Technology Planning Project of Guizhou Province(Grant No.[2016]1154); Due to the size effects of rockfill materials, the settlement difference between numerical simulation and in situ monitoring of rockfill dams is a topic of general concern.The constitutive model parameters obtained fr...; 关键词：SHUIBUYA ROCKFILL DAM Parameter BACK analysis Response surface method Duncan EB model TIME-DEPENDENT deformation

Estimations of Three Characteristic Stress Ratios for Rockfill Material Considering Particle Breakage被引量：3: 《Acta Mechanica Solida Sinica》2019年第2期215-229,共15页Wan-Li Guo Zheng-Yin Cai Ying-Li Wu Zhi-Zhou Geng; The particle breakage during specimen shearing has a significant influence on the critical-state line (CSL) of the rockfill material. A series of large-scale triaxial compression tests on the rockfill material from He...; 关键词：Rockfill. PARTICLE BREAKAGE CRITICAL-STATE line Stress RATIO

A generalized plasticity model for the stress-strain and creep behavior of rockfill materials被引量：7: 《Science China(Technological Sciences)》2019年第4期649-664,共16页FU ZhongZhi CHEN ShengShui WEI KuangMin; supported by the National Key Research and Development Program of China(Grant No.2017YFC0404806);the National Natural Science Foundation of China(Grant Nos.51779152,51539006); The generalized plasticity constitutive equations that simulate, in a unified manner, the stress-strain response and the creep behavior of rockfill materials are derived using the concept of elastoplasticity. A single...; 关键词：ROCKFILL materials creep behavior CONSTITUTIVE model GENERALIZED plasticity concrete face ROCKFILL dam(CFRD)

Hydrodynamic pressure on concrete face rockfill dams subjected to earthquakes被引量：2: 《Journal of Hydrodynamics》2019年第1期152-168,共17页Zhong-zhi Fu Sheng-shui Chen Guo-ying Li; the National Key Research and Development Program of China (Grant No.2017YFC0404806);the National Natural Science Foundation of China (Grant Nos.51779152,51539006).; The hydrodynamic pressure is an important load on concrete face rockfill dams (CFRDs) subjected to earthquakes,the influence of which,however,is not clear as compared with that in concrete dams.In this paper,the coupl...; 关键词：Concrete face ROCKFILL DAM HYDRODYNAMIC pressure SEISMIC response EARTHQUAKE

Nonlinear regression model for peak-failure strength of rockfill materials in general stress space被引量：6: 《Geoscience Frontiers》2018年第6期1699-1709,共11页Yang Xiao Minqiang Meng Hui Chen Xiang He Jinyu Ran Weicheng Shi; financial support from the National Natural Science Foundation of China(Grant Nos.51509024 and 51678094);the Project funded by China Postdoctoral Science Foundation(Grant No.2016M590864); A nonlinear regression model for peak-failure strength prediction of rockfill materials is proposed. It is based on the relationship between the peak-failure stress ratio and the normalized confining pressure as well ...; 关键词：STRESS PATH ROCKFILL material Strength FRICTION ANGLE STRESS ratio

Seepage simulation of high concrete-faced rockfill dams based on generalized equivalent continuum model被引量：6: 《Water Science and Engineering》2018年第3期250-257,共8页Shou-kai Chen Qi-dong He Ji-gang Cao; supported by the National Natural Science Youth Foundation of China(Grant No.51309101);the Henan Province Major Scientific and Technological Projects(Grant No.172102210372);the Cooperative Project of Production,Teaching and Research in Henan Province(Grant No.18210700031); This research focused on the three-dimensional(3 D) seepage field simulation of a high concrete-faced rockfill dam(CFRD) under complex hydraulic conditions. A generalized equivalent continuum model of fractured rock m...; 关键词：Concrete-faced ROCKFILL dam(CFRD) GENERALIZED equivalent CONTINUUM model Node virtual flow method Fractured rock mass SEEPAGE field SEEPAGE coefficient

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