Particle shape analysis of calcareous sand based on digital images [PDF]
Scientific ReportsParticle geometric is a key parameter that defines the eometric attributes of calcareous sand particles and is intricately related to their mechanical traits, such as compression and shear.
Xiaobing Wei +5 more
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Effect of stress path on the mechanical properties of calcareous sand [PDF]
Underground Space, 2023 Calcareous sand is widely observed in the foundation of off-shore infrastructure. Although a lot of research has been carried out on the mechanical properties of calcareous sand, study into the influence of the stress–strain path on the mechanical ...
Houzhen Wei +6 more
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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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Cyclic Behavior of Calcareous Sand from the South China Sea
Journal of Marine Science and Engineering, 2021 This study examines the cyclic behavior of calcareous sand obtained from the South China Sea. A series of undrained cyclic triaxial tests were performed on the calcareous sand with various relative densities, cyclic stress ratios, and effective confining
Lu Liu +5 more
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One-dimensional dynamic compressive behavior of dry calcareous sand at high strain rates
Journal of Rock Mechanics and Geotechnical Engineering, 2019 Calcareous sand has distinct characteristics in comparison with silica sand, such as dynamic behavior at high strain rates (HSRs). This is closely related to pile driving, aircraft wheel loading and mining activities.
Yaru Lv, Jiagui Liu, Ziming Xiong
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Research on the bearing performance of HSCA high-strength preloaded expansion piles in calcareous sand foundation. [PDF]
Sci RepWith the rapid development of infrastructure construction on oceanic reefs, calcareous sand, as the primary medium of these reefs, exhibits unique physical and mechanical properties such as high void ratio, low strength, and susceptibility to particle ...
Sun T +5 more
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Experimental study on the effects of water content on the compression characteristics and particle breakage of calcareous sand [PDF]
Scientific ReportsThe particle breakage effect and compression characteristics of calcareous sand are related to the water content in the sand material. However, the effects of water content on the particle breakage and compression characteristics of calcareous sand have ...
Xiaoxuan Liu +5 more
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Investigation of Engineering Properties of Cement-Stabilized Calcareous Sand Foundation
Advances in Materials Science and Engineering, 2021 Calcareous sand is widespread around Nansha Islands, South China Sea. In oceanic and coastal engineering, calcareous sand is usually used as a building foundation and backfill material for airport runway embankments.
Yuan Chai +3 more
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Particle breakage characteristics of calcareous sand under confined compression tests. [PDF]
Sci RepCalcareous sand is a widely used foundation material in marine engineering. Particle breakage can lead to an increase in its compressibility, affecting the safety and stability of structures.
Li Z +6 more
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Advances in Civil Engineering, 2020 In this study, dynamic triaxial cyclic tests were conducted to examine the liquefaction properties and post-liquefaction volumetric strain of calcareous sand from a dredger fill site in the midst of the islands and reefs of the South China Sea.
Shenghua Zhao +4 more
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