Results 21 to 30 of about 966,566 (260)

Axial Bearing Mechanism of Post-Grouted Piles in Calcareous Sand

Applied Sciences, 2022
Post-grouted piles, as a foundation form for large-span and large-scale structures on calcareous sand, are expected to provide a high bearing capacity, but research on the response of post-grouted piles subjected to axial load in calcareous sand is still
Zhihui Wan, Heng Liu, Feng Zhou, Guoliang Dai   +3 more
doaj   +2 more sources

Triaxial Mechanical Properties and Micromechanism of Calcareous Sand Modified by Nanoclay and Cement

Geofluids, 2021
Calcareous sand is developed by the fracture of marine biological skeleton under the impact of seawater. Calcareous sand is not transported in the process of deposition. Therefore, calcareous sand retains the characteristics of marine biological skeleton,
Wei Wang, Jian Li, Jun Hu
doaj   +2 more sources

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, Heying Hou, Pengming Jiang, Zhenzhen Nong, Tianxiang Li, Qing Wang, Zhuojie Pan   +6 more
doaj   +2 more sources

Single-Particle Crushing Test of Coated Calcareous Sand Based on MICP. [PDF]

Materials (Basel)
Calcareous sand is a crucial construction material for island and reef development and reinforcing it using Microbially Induced Calcite Precipitation (MICP) technology is a promising new method.
Zhu S, Gong L, Hu Z, Xu Y, He Y, Long Y.
europepmc   +2 more sources

Experimental Study on the Electrical Resistivity Characteristics of Uniformly Graded Calcareous Sand

Applied Sciences, 2023
The resistivity of calcareous sand is one of its inherent physical characteristic parameters, and the study of the resistivity characteristics of calcareous sand is of great significance in the subsequent study of the relationship between the resistivity
Heying Hou, Wei Han, Tianxiang Li, Haiyuan Wang, Xiaolong Du, Zhe Liu, Linhao Wang   +6 more
doaj   +2 more sources

Study on the Adsorption Mechanism of Graphene Oxide by Calcareous Sand in South China Sea

Adsorption Science & Technology, 2021
To remove graphene oxide from wastewater, we used batch experiments with calcareous sand to recover GO. The adsorption properties and mechanisms of GO by calcareous sand were investigated by different characterization techniques.
Beifeng Lv, Wenjie Yu, Jiale Luo, Biao Qian, Mulugeta Belete Asefa, Na Li   +5 more
doaj   +2 more sources

Randomly generating realistic calcareous sand for directional seepage simulation using deep convolutional generative adversarial networks

Journal of Rock Mechanics and Geotechnical Engineering
The issues of seepage in calcareous sand foundations and backfills have a potentially detrimental effect on the stability and safety of superstructures.
Dou Chen, Wei Zhang, Chenghao Li, Linjian Ma, Xiaoqing Shi, Haiyang Li, Honghu Zhu   +6 more
doaj   +2 more sources

Experimental Study on the Reinforcement of Calcareous Sand Using Combined Microbial-Induced Carbonate Precipitation (MICP) and Festuca arundinacea Techniques

Journal of Marine Science and Engineering
Combining the Microbial-Induced Calcium Carbonate Precipitation (MICP) technique with plants to reinforce calcareous sand slopes on reef islands is expected to achieve both reinforcement and economic benefits.
Xiuqiong Deng, Ziyu Wang, Yuchun Qin, Liang Cao, Peng Cao, Yu Xie, Yingqi Xie   +6 more
doaj   +2 more sources

Geotechnical characterization of the calcareous sand in northern coast of Egypt

Ain Shams Engineering Journal, 2018
The surface layer of the northern coastal line in Egypt is mainly comprised of calcareous sand, resulting from erosion of limestone and calcarenite ridges.
Alaa Ata, Tarek N. Salem, Rana Hassan
doaj   +2 more sources

Influence of the Fractal Distribution of Particle Size on the Critical State Characteristics of Calcareous Sand

Fractal and Fractional, 2022
To study the influence of the fractal distribution of particle size on the critical state characteristics of calcareous sand, a type of calcareous sand from a certain reef of the South China Sea was used in this study.
Xue Shen, Yang Shen, Junhong Xu, Hanlong Liu   +3 more
doaj   +2 more sources