Results 11 to 20 of about 5,243 (234)

Numerical investigation of the plastic deformation behaviour of graded crushed stone.

PLoS ONE, 2021
A numerical model of the dynamic triaxial test of graded crushed stone was established based on DEM (Discrete Element Method) to study its dynamic characteristics.
Ying-Jun Jiang, Chen-Yang Ni, Yu Zhang, Yong Yi   +3 more
doaj   +1 more source

Dynamic Properties of Soil Cements for Numerical Modelling of the Foundation’s Basis Transformed under the Technology of Deep Soil Mixing: A Determination Method

Buildings, 2022
This research investigates the mechanical properties of soil-cement specimens ranging from ultrasmall to large values of shear strain at dynamic loading.
Armen Ter-Martirosyan, Vitalii Sidorov, Evgeny Sobolev   +2 more
doaj   +1 more source

Experimental Study on Silt Soil Improved by Microbial Solidification with the Use of Lignin

Microorganisms, 2023
At present, in the field of geotechnical engineering and agricultural production, with increasingly serious pollution an environmentally friendly and efficient means is urgently needed to improve the soil mass.
Yongshuai Sun, Xinyan Zhong, Jianguo Lv, Guihe Wang   +3 more
doaj   +1 more source

Study on Characteristics of Acoustic Emission b Value of Coal Rock with Outburst-Proneness under Coupled Static and Dynamic Loads

Shock and Vibration, 2023
In this paper, a rock dynamic and static triaxial mechanical test system is adopted to conduct triaxial compression failure acoustic emission test on coal rock with outburst-proneness.
Kun Zhang, Sen Zhang, Jianxi Ren, Man Wang, Shuai Jing, Weijun Zhang   +5 more
doaj   +1 more source

Mechanism of Coal Burst Triggered by Disturbing Mining-Induced Stress: An Experimental Investigation

Applied Sciences, 2022
The true triaxial test can accurately simulate the dynamic and static load superposition environment of deep mining and then reproduce the spatial and temporal evolution process of coal-rock dynamic disasters.
Jinzheng Bai, Linming Dou, Xuwei Li, Jinrong Cao, Kangkang Wang, Yanjiang Chai, Jiliang Kan   +6 more
doaj   +1 more source

Accuracy, Consistency, and Reproducibility of the Triaxial Accelerometer in the iPod Touch: A Pilot Study

JMIR mHealth and uHealth, 2014
BackgroundThe use of a mobile consumer communicative device as a motion analysis tool for patients has been researched and documented previously, examining the triaxial accelerometer embedded in such devices.
Khoo Chee Han, Christopher, Shanmugam, Rukmanikanthan AL, Choon Siew Kit, David   +2 more
doaj   +1 more source

Experimental Study of the Dynamic Characteristics of PVA-Amended Expansive Soils

Applied Sciences, 2023
Expansive soils are distributed across a wide area in China, and land transport and surface construction will inevitably involve these soils. To mitigate the deficiencies of single-method expansive soil modification, it is highly important to adopt the ...
Xinshan Zhuang, Bowen Zhang, Xiaofei Li, Duan Yang, Wu Wen   +4 more
doaj   +1 more source

Experimental Research on the Dynamic Characteristics of Several Model Soils in Small Strain Range and Application in Shaking Table Model Test

Buildings, 2023
Reasonable model soil is very important in shaking table model tests to reduce the distortion of the soil structure stiffness ratio. Several model soils, such as sawdust soil, sawdust sand, rubber granular soil, rubber powder soil, and sawdust kaolin ...
Zhaoxia Ma, Guobo Wang, Yao Wang
doaj   +1 more source

Perforation studies of concrete panel under high velocity projectile impact based on an improved dynamic constitutive model

Defence Technology, 2023
The finite-depth concrete panels have been widely applied in the protective structures, and its impact resistance and dynamic fracture failures, especially the scabbing/perforation limits, under high velocity projectile impact, are mainly concerned by ...
Fei Zhou, Hao Wu, Yuehua Cheng
doaj   +1 more source

Assessment of cyclic deformation and critical stress amplitude of jointed rocks via cyclic triaxial testing

Journal of Rock Mechanics and Geotechnical Engineering, 2023
Jointed rock specimens with a natural replicated joint surface oriented at a mean dip angle of 60° were prepared, and a series of cyclic triaxial tests was performed at different confining pressures and cyclic deviatoric stress amplitudes.
Waranga Habaraduwa Peellage, Behzad Fatahi, Haleh Rasekh   +2 more
doaj   +1 more source