Results 21 to 30 of about 4,456 (234)
Yantu gongcheng xuebao, 2021 Calcareous sand is widely distributed on the coastal continental shelf and coastline and is the important geotechnical material for coastal engineering.
WANG Lei 1, JIANG Xiang 1, 2, XIAO Yang 1, 2, WU Huan-rang 1, 2, SHAN Jun-jie 1, LIU Han-long 1, 2, YAO Zhi-hua 3
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Yantu gongcheng xuebao, 2019 The dynamic shear modulus and damping ratio are two important parameters for the dynamic stability analysis of geotechnical structures and offshore sites.
LIU Xin 1, LI Sa 1, LIU Xiao-long 2, CHEN Wen-wei 2
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Study on Modified Dynamic Constitutive Model for Calcareous Sand considering Particle Breakage
Geofluids, 2022 Calcareous sand is special sand widely distributed in the South China Sea, which is characterized by the irregular particle shape, high porosity, easy-breaking, etc.
Huibin Chen +6 more
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Dynamic behaviors of MICP and fiber-treated calcareous sand under dynamic triaxial testing
Rock and Soil Mechanics, 2022 To improve the liquefaction resistance of calcareous sand foundations, microbially induced calcium carbonate precipitation (MICP) technology and fiber reinforcement technology was combined to treat the calcareous sand sampled from the South China Sea ...
WANG Rui +6 more
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The characteristics of internal and accumulated pores of calcareous sand
IOP Conference Series: Earth and Environmental Science, 2021 Abstract Calcareous sand is characterized by irregular shapes and high porosity, which makes its engineering properties more special. Based on the calcareous sand from a reef island in the South China Sea, the characteristics of the internal pores and the accumulated pores between the calcareous sand particles were explored by a ...
J. Y. Yu, Y. Gao, W. L. Li, Q. Chen
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Study on shear creep model of calcareous sand in China South Sea
Frontiers in Earth ScienceThe creep characteristics of calcareous sand have an important impact on the stability of the structures on the coral islands in the South China Sea. Among the existing creep models for calcareous sand, fewer models consider the particle fragmentation of
Bin Tang +3 more
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Breakage effect of calcareous sand on pile tip resistance and the surrounding soil stress
Energy Reports, 2022 Due to the irregular shape, high porosity and fragility of calcareous sand particles, the construction of reef engineering is seriously affected, and the application of pile foundation engineering technology in calcareous sand stratum is also faced with ...
Yan Gao +4 more
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Yantu gongcheng xuebao, 2020 In order to explore the shear characteristics of anisotropic calcareous sand, the GDS hollow cylinder torsional shear apparatus is used to compare and analyze the anisotropy of calcareous sand and quartz sand through the fixed-axis shear tests in ...
SHEN Yang 1, LIANG Hui 1, GE Hua-yang 1, YU Yan-ming 2, SHEN Xue 1
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Behavior of particle breakage in calcareous sand during drained triaxial shearing
Yantu gongcheng xuebao, 2021 Particle breakage is an important factor affecting the deformation and strength mechanism of granular soil. In order to study the particle breakage characteristics of calcareous sand during shearing and their influences on the deformation and shear ...
ZHANG Ji-ru , HUA Chen , LUO Ming-xing , ZHANG Bi-wen
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Yantu gongcheng xuebao, 2021 Six different targeted activation schemes for urea-producing microorganisms are designed for the biomineralization and reinforcement of calcareous sand.
DONG Bo-wen 1, LIU Shi-yu 1, 2, YU Jin 1, CAI Yan-yan 1, TU Bing-xiong 1
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