Results 11 to 20 of about 800 (181)
Experimental study on grouting technology of rockfill and mechanical properties after grouting
Yantu gongcheng xuebao, 2019 The self-compacting mortar is used to carry out on-site grouting tests on sandstone rockfill materials to verify the controllability of the diffusion range of rockfill grouting and the feasibility of grouting technology.
DENG Cheng-jin 1, 2, DANG Fa-ning 1, MIAO Zhe 2, CHEN Xin-zhou 3
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Water Science and Engineering, 2023 Numerical simulation of concrete-faced rockfill dams (CFRDs) considering the spatial variability of rockfill has become a popular research topic in recent years.
Qin Ke +3 more
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Particle breakage characteristics of rockfills under complex stress paths
Yantu gongcheng xuebao, 2018 A series of conventional triaxial tests, isotropic compression tests and complex stress path triaxial tests are conducted to investigate the particle breakage characteristics of rockfills, which are evaluated quantitatively by using the relative breakage
WANG Yuan 1, ZHANG Sheng 2, AO Da-hua 2, YU Yu-zhen 1, SUN Xun 1
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Unified modeling behavior of rockfill materials along different loading stress paths
Soils and Foundations, 2022 Rockfill materials used for dam construction show obvious stress path dependency during construction process. The constitutive model for rockfill materials are mainly established based on conventional triaxial test.
Shihai Bian +4 more
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Experimental and analytical investigation of hydraulic conductivity, energy dissipation, and drag forces in gradually varied flow conditions through rockfill media [PDF]
Journal of Applied Research in Water and WastewaterThis paper focuses on the flow of water through rockfill porous media and brings out the effect of various parameters on hydraulic conductivity, friction factors, energy losses, drag coefficients, drag forces, and shear forces for such systems ...
Jafar Chabokpour
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Experimental study on particle breakage behaviors of rockfill under cyclic loadings
Yantu gongcheng xuebao, 2017 Using the large-scale dynamic triaxial apparatus, a series of cyclic drained triaxial shearing tests are performed on there kinds of rockfill materials with different confining pressures, consolidation stress ratios and dynamic stress amplitudes to ...
ZHANG Zhen-dong 1, 2, LI Guo-ying 1
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Equivalent density determination method for dam rockfill materials in mechanical tests
Yantu gongcheng xuebao, 2020 Given the size limitation of laboratory test equipment, it is necessary to scale the rockfill in laboratory tests. The mechanical properties of rockfill have scale effect obviously, and how to obtain the mechanical properties of rockfill accurately ...
LU Yi-wei , CHENG Zhan-lin , PAN Jia-jun , JIANG Ji-wei , XU Han
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Mathematics, 2021 Because rockfill strength and seismic ground motion are dominant factors affecting the slope stability of rockfill dams, it is very important to accurately characterize the distribution of rockfill strength parameters, develop a stochastic ground motion ...
Rui Pang, Laifu Song
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Discrete element simulation of crushable rockfill materials
Water Science and Engineering, 2013 A discrete element method was used to study the evolution of particle crushing in a rockfill sample subjected to triaxial shear. A simple procedure was developed to generate clusters with arbitrary shapes, which resembled real rockfill particles.
Lei Shao +3 more
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Gradation design method for rockfill materials based on fractal theory
Yantu gongcheng xuebao, 2017 According to the fractal theory, the fractal distribution formula of gradation for rockfill materials is deduced. The field gradation data of six dams with clay core and five 200 m-high CFRDs are used to verify the relevant achievements. The result shows
ZHU Sheng 1,2, DENG Shi-de 1,2, NING Zhi-yuan 1,2, WANG Jing 1,2
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