Results 1 to 10 of about 5,992 (210)

Laboratory Testing to Research the Micro-Structure and Dynamic Characteristics of Frozen–Thawed Marine Soft Soil

Journal of Marine Science and Engineering, 2019
The use of artificial freezing can change the mechanical properties of marine clay. In the construction of cross passages in metro tunnels in which the artificial ground freezing (AGF) method is applied, freeze–thaw circulation and cyclic loading ...
Zhi Ding, Bowen Kong, Xinjiang Wei, Mengya Zhang, Baolong Xu, Fangjie Zhao   +5 more
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Analysis of the Dynamic Stability of Tailing Dams: An Experimental Study on the Dynamic Characteristics of Tailing Silt

Applied Sciences, 2023
With the improvement in tailing mining-grade requirements and in mineral processing technology, tailing materials tend to be fine-grained. Under the action of earthquakes, a tailing dam is prone to liquefaction, which endangers the safety and stability ...
Fuqi Kang, Guangjin Wang, Yaoji Li, Binting Cai, Shujian Li, Lei Zhao, Xiaoshuang Li   +6 more
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Experimental Study on Seismic Compression of Chinese Loess under Cyclic Direct Simple Shear Testing

Advances in Civil Engineering, 2022
Seismic compression is the accumulation of contractive volumetric strains in unsaturated soil from earthquake shaking. For Chinese loess, the behavior of seismic compression is extremely significant and has been recognized in historical earthquakes. As a
Qiang Wang, Zhe Zhang, Shengjun Shao, Qian Yang   +3 more
doaj   +1 more source

Correction of dynamic Brazilian disc tensile strength of rocks under preloading conditions considering the overload phenomenon and invoking the Griffith criterion

Journal of Rock Mechanics and Geotechnical Engineering, 2023
Dynamic tensile failure is a common phenomenon in deep rock practices, and thus accurately evaluating the dynamic tensile responses of rocks under triaxial pressures is of great significance.
Kaiwen Xia, Yuchao Yu, Bangbiao Wu, Wei Yao   +3 more
doaj   +1 more source

True triaxial modeling test of high-sidewall underground caverns subjected to dynamic disturbances

Journal of Rock Mechanics and Geotechnical Engineering
Seismicity resulting from the near- or in-field fault activation significantly affects the stability of large-scale underground caverns that are operating under high-stress conditions.
Chuanqing Zhang, Jinping Ye, Ning Liu, Qiming Xie, Mingming Hu, Lingyu Li   +5 more
doaj   +1 more source

Resilient Modulus—Physical Parameters Relationship of Improved Red Clay by Dynamic Tri-Axial Test

Applied Sciences, 2019
As one of the important parameters used in the analysis and design of subgrade, resilient modulus is directly related to the safety, economic and life time of subgrade structure.
Haiping Yuan, Weiqiang Li, Yixian Wang, Hang Lin, Yan Liu   +4 more
doaj   +1 more source

Experimental Study of Strain Rockburst considering Temperature Effect: Status-of-the-Art and Prospect

Shock and Vibration, 2021
In deep mining and excavation of tunnels with high geothermal, the surrounding rock is not only subjected to high ground stress but also subjected to high temperature.
Lei Xu, Fengqiang Gong
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Dynamic mechanical properties and damage constitutive modelling of paste phyllite under triaxial impact testing

All Earth
Understanding the dynamic mechanical properties and damage mechanisms of the surrounding rock during blasting and mining is crucial for preventing engineering accidents.
Nianjun Zhang, Lijun Han, Zongjie Zhu
doaj   +1 more source

Large-scale dynamic triaxial tests on saturated gravel soil in Nanning metro area

Yantu gongcheng xuebao, 2019
The gravel soil in Nanning metro area is taken as the research object, and a series of large-scale drained dynamic triaxial tests are conducted on saturated gravel.
MA Shao-kun 1,2, WANG Bo 1, LIU Yin 1,2, SHAO Yu 1,3,5, WANG Hong-gang 1, WANG Yan-li 4
doaj   +1 more source

Study on static and dynamic mechanical behavior of expansive soil modified by oyster shell powder

Heliyon
To investigate the effect of oyster shell powder (OSP) on the static and dynamic properties of expansive soil, the mechanical properties of modified soil were obtained.
Wencan Jiao, Weizheng Zhou, Zhen Huang, Riyan Lan, Min Ma   +4 more
doaj   +1 more source