Results 1 to 10 of about 75,328 (300)

Experimental Study on Stiffness Degradation and Liquefaction Characteristics of Marine Sand in the East Nan-Ao Area in Guangdong Province, China

Journal of Marine Science and Engineering, 2021
Offshore wind power, as an efficient renewable energy source, is being vigorously developed nowadays. However, the liquefaction of marine sand due to earthquakes brings potential safety hazards to the wind turbine structures.
Fayun Liang, Zewang Zhang, Chen Wang, Xiaoqiang Gu, Yifeng Lin, Wei Yang   +5 more
doaj   +1 more source

Experimental Study of Hardening Small Strain Model Parameters for Strata Typical of Zhengzhou and Their Application in Foundation Pit Engineering

Buildings, 2023
The hardening small strain (HSS) model, which considers the non-linear characteristics of the shear modulus of soil in the small strain range, is commonly utilized in the numerical analysis of excavations in sensitive environments.
Mingming Cao, Zheng Zhang, Zibo Du, Lei Wang, Yang Lv, Jingwei Zhang, Yinwei Wang   +6 more
doaj   +1 more source

The Dynamic Properties of Sand under Torsion: A Literature Review

Geotechnics, 2023
Resonant column (RC) and the torsional simple shear (TOSS) tests have shown proven competency in acquiring precise and repeatable measurements regarding the shear modulus and damping ratio of soil.
Majd Ahmad, Richard Ray
doaj   +1 more source

Correction of Young’s Modulus Calculation in the Flexural Mode of Resonant Column Test

Applied Sciences, 2020
The resonant column test includes torsional and flexural modes that can be used to obtain reduction curves for the shear modulus and Young’s modulus of the soil, respectively.
Wei-Chun Lin, Chi-Chin Tsai
doaj   +1 more source

Mechanical Properties and Engineering Applications of Special Soils—Dynamic Shear Modulus and Damping of MICP-Treated Calcareous Sand at Low Strains

Applied Sciences, 2022
Calcareous sand deposits are widespread along the shoreline in tropical and subtropical regions. Microbially induced calcite precipitation (MICP) treatment is a new method for improving the soil’s stiffness and strength.
Xinlei Zhang, Jun Guo, Yumin Chen, Yi Han, Ruibo Yi, Hongmei Gao, Lu Liu, Hanlong Liu, Zhifu Shen   +8 more
doaj   +1 more source

Characterizing the Effect of Water Content on Small-Strain Shear Modulus of Qiantang Silt

Journal of Marine Science and Engineering, 2021
Due to the impact of natural and artificial influence, such as waves, tides, and artificial dewatering, the small-strain shear modulus of soils may vary with the water content of soil, causing deformation of excavations and other earth structures.
Lisha Zhang, Shimin Zhang, Xin Liu, Yinsuo Sun   +3 more
doaj   +1 more source

The Small Strain Stiffness Properties of Undisturbed Weathered Granite With Different Weathering Degrees

Frontiers in Earth Science, 2022
To evaluate the small strain stiffness properties of undisturbed weathered granite, the circular computer numerical control (CNC) abrasive wire sawing technology was applied to weathered granite sample processing and a series of resonance column tests ...
Juntao Wang, Juntao Wang, Lingwei Kong, Lingwei Kong, Chengsheng Li, Bingheng Liu, Bingheng Liu, JunBiao Yan, JunBiao Yan   +8 more
doaj   +1 more source

Assessment of shear modulus by different seismic wave-based techniques [PDF]

, 2015
Using combined setup of bender elements and accelerometers, tests were conducted on Coimbra sand specimens in order to measure and interpret seismic wave velocities to assess initial shear modulus.
Correia, A. Gomes, Ferreira, Cristiana Maria Fonseca, Pereira, Cláudio Luís Barros Batista, Santos, Jaime, Santos, João   +4 more
core   +1 more source

Resonant Absorption in the AGN spectra emerging from photoionized gas: differences between steep and flat ionizing continua [PDF]

, 1998
We present photoionization models accounting for both photoelectric and resonant absorption. Resonance absorption lines from C, O, Ne, Mg, Si S and Fe between 0.1 and 10 keV are treated.
Boller Th., Brandt W. N., Brandt W. N., Fabrizio Fiore, Fabrizio Nicastro, Ferland G. J., Giorgio Matt, Mas-Hesse J. M., Matt G., Matt G., Pfefferman E., Pounds K. A., Puchnarewicz E. M., Reynolds C. S., Walter R., Wise M. W.   +15 more
core   +2 more sources

Dynamic Characteristics of Coral Sand in the Condition of Particle Breakage

Geofluids, 2022
To study the influence of coral sand particle breakage on its dynamic characteristics, taking the South China Sea coral sand as the research object, one-dimensional consolidation test was conducted to prepare different particle breakage degree samples ...
Hui Long, Ke Zhuang, Bo Deng, Jianlin Jiao, Junjie Zuo, Enlu You   +5 more
doaj   +1 more source