Results 21 to 30 of about 9,196 (227)

The Influence of an Expansive Agent on the Performance of Cement-Stabilized Coral Sand [PDF]

Advances in Civil Engineering, 2021
Using coral sand as an aggregate to build the base layer of pavement on islands and along coasts in China has the potential to not only reduce construction costs and time but also lessen carbon emissions during transportation.
Jiuguang Geng, Mingyuan Chen, Tao Shang, Cheng Xue, Huaxin Chen, Chao Zhang   +5 more
doaj   +2 more sources

Liquefaction characteristics of desaturated coral sand foundation with upper building. [PDF]

Sci Rep
Liquefaction of coral sand foundations under explosive loads poses significant risks to the safety of upper buildings. In this paper, a coral sand foundation and upper buildings are taken as the research objects, and dynamic tests of buildings in coral sand foundations are conducted via the electrolytic desaturation method under the action of multiple ...
Zhongyue R, Shichun Z, Yumin C.
europepmc   +4 more sources

The Physical and Mechanical Properties of Coral Sand

European Journal of Theoretical and Applied Sciences
Coral sand interacts with a variety of particles and species in tropical marine habitats due to its special characteristics. particular emphasizes the benefits of using contemporary mathematical technologies to examine the characteristics and behavior of coral sand for engineering applications.
Md Mahmudul, Hasan, Md Bourhan, Kabir, Md Safiq Raihan, Prodhan, Md Shahjahan, Anik, Ahamed, Zubaer, Md Rajib, Hasan, Md Nasrullah, Sami   +6 more
openaire   +3 more sources

Experimental Analysis of the Changes in Coral Sand Beach Profiles under Regular Wave Conditions

Journal of Marine Science and Engineering
This study utilized 50 laboratory experiments to document the evolution of coral beaches under varying regular wave conditions, including five distinct wave periods and ten wave heights.
Zhen Yao, Jie Chen, Changbo Jiang, Hai Liang, Zhiyuan Wu, Bin Deng, Yuannan Long, Chen Bian   +7 more
doaj   +2 more sources

Large-Scale Triaxial Test on Mechanical Behavior of Coral Sand Gravel Layered Samples

Journal of Marine Science and Engineering
Layered structures comprising coral sand and gravel have been observed in hydraulic filled foundations in the coral reefs in the South China Sea, leading to anisotropy in their physical and mechanical properties.
Xinyue Tang, Dongfeng Xin, Xuewen Lei, Ting Yao, Qingshan Meng, Qingbing Liu   +5 more
doaj   +2 more sources

Laboratory Experiments and Numerical Simulation on Dynamic Response of Island Reclamation Coral Sand under Aircraft Load. [PDF]

Materials (Basel), 2023
The construction of island airports on coral reefs inevitably encounters the impact load of aircraft takeoff and landing. However, previous studies have not presented a detailed description of the dynamic response of the coral sand beneath the runways of
Wang J, Cao A, Song D, Feng B, Li H, Long Y, Ye Z.   +6 more
europepmc   +2 more sources

Research on the penetration characteristics of coral sand based on a visco-hypoplastic constitutive model

Case Studies in Construction Materials
This study investigates the penetration characteristics of coral sand based on hypoplasticity theory. The Gudehus-Bauer (GB) hypoplastic constitutive model was optimized by modifying the particle hardness parameter to incorporate strain rate effects ...
Licheng Sun, Chengfei Fan, Jinlong Zhao, Xiao Yu, Yushuai Zhang, Jian Zhao   +5 more
doaj   +2 more sources

Experimental Study on the Influence of Particle Gradation on the Resistivity Characteristics of Saturated Coral Sand

Journal of Marine Science and Engineering
Due to the action of hydraulic sorting, coral sands in different engineering site areas usually have different particle gradations. To explore the impact of particle gradation on the resistivity characteristics of saturated coral sand, an experimental ...
Zhenglong Zhou, Haitao Zhang, Zelong Zhao, Tianzhu Hang   +3 more
doaj   +2 more sources

Study of the Particle Breakage Characteristics of Coral Sand Under the Effect of Freezing–Seepage Coupling

Applied Sciences
In the development and construction of the South China Sea (SCS), coral sand is a kind of common natural construction material. Sanya submarine tunnel is the first application of artificial ground freezing (AGF) in the SCS. Since the tunnel is located at
Jie Zhou, Xiangzhen Kong, Huade Zhou, Chao Ban, Chengjun Liu, Jun Hu   +5 more
doaj   +2 more sources

Study on the Dilatancy Behavior of Coral Sand and Its Influence on Shear Strength Parameters

Journal of Marine Science and Engineering
Coral sand is characterized by unique particle morphology and pore structure, which result in pronounced dilatancy and a high internal friction angle during shear. The dilatancy angle is a critical parameter for finite element analyses of sand foundation
Yuanqi Shi, Zhenzhong Cao, Liping Jing, Xiangyu Zhu   +3 more
doaj   +2 more sources