Results 11 to 20 of about 5,334,937 (242)

Micromechanical formulation of the mobilized stress ratio under principal stress rotation in granular materials

EPJ Web of Conferences, 2017
In this paper the mobilized stress ratio is investigated by using the static equilibrium at the micro scale level analysis. The mobilized stress ratio is obtained in the distribution of the contact normal, E(β), and the inter-particle mobilized friction ...
Shaverdi Homayoun, Kalantary Farzin, Taha Mohd R.   +2 more
doaj   +2 more sources

Rock strength weakening subject to principal stress rotation: Experimental and numerical investigations

Journal of Rock Mechanics and Geotechnical Engineering
During the construction and operation of gas storage reservoirs, changes in the principal stress direction can induce fracture propagation under conditions of lower differential stress, potentially leading to failure in the surrounding rock. However, the
Huandui Liu, Guibin Wang, Chunhe Yang, Junyue Zhang, Shiwan Chen   +4 more
doaj   +2 more sources

Micromechanical analysis of kinematic hardening in natural clay [PDF]

, 2009
This paper presents a micromechanical analysis of the macroscopic behaviour of natural clay. A microstructural stress-strain model for clayey material has been developed which considers clay as a collection of clusters.
Academy of Finland (Grant 210744) (Funder), Helsinki University of technology, , University of Massachusetts, , Academy of Finland (Grant 210744) (Funder), Karstunen, M., , University of Strathclyde, , Ecole Centrale de nates, EC MRTN-CT-2004–512120 (Funder), Yin, Zhen-Yu, , EC MRTN-CT-2004-512120 (Funder), Ecole Centrale de nates, Chang, Ching S., University of Strathclyde, Hicher, Pierre-Yves, , Helsinki University of technology, Karstunen, Minna, University of Massachusetts, Chang, Ching   +17 more
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Drought resistance of willow short rotation coppice genotypes [PDF]

, 2004
This thesis reports on an investigation of drought resistance of willow SRC genotypes. Experiments were conducted at Silsoe, Bedfordshire, in pots and field trials in 2002 and in lysimeters in 2003 to evaluate the range of water use efficiency (WUE) of ...
Bonneau, Luc Joseph Gabriel
core   +7 more sources

Influence of Mine Earthquake Disturbance on the Principal Stress of the Main Roadway near the Goaf and Its Prevention and Control Measures

Geofluids, 2021
With the reduction and depletion of shallow energy, the mining depth of coal around the world is increasing year by year, and the mining depth of some coal mines in China has reached kilometers.
Penghui Guo, Jiazhuo Li, Xiqing Hao, Heng Cui, Lihua Tian, Wenhao Xie, Jiaqi Chu   +6 more
doaj   +1 more source

Influence of principal stress direction on the stress-strain-strength behaviour of completely decomposed granite [PDF]

Facta Universitatis. Series: Architecture and Civil Engineering, 2010
The measurement and study of the stress-strain-strength behavior of soils in general stress states involving principal stress rotation are necessary and valuable. To investigate the strength behavior under principal stress rotation, a series of undrained
Kumruzzaman Md., Yin Jian-Hua
doaj   +1 more source

Experimental study on strain accumulation characteristics of saturated remolded loess under pure rotation of the principal stress axis

Frontiers in Ecology and Evolution, 2023
The study conducted a pure rotation test of 720° for saturated remolded Q2 loess under principal stress axis (PSA) rotation when deviatoric stress and the intermediate principal stress ratio are different, also paying attention to examining the changes ...
Sui Wang, Sui Wang, Sui Wang, Zuliang Zhong, Zuliang Zhong, Bin Chen, Bo Wu, Dongyu Zhang, Fuxing Ni   +8 more
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Effects of Principal Stress Axis Rotation on Unsaturated Rail Track Foundation Deterioration [PDF]

, 2016
Precise assessment of cyclic plastic deformation of rail track subgrade is essential in designing cost effective rail tracks. Plastic deformation of rail tracks is often underestimated due to the omission of effects of principal stress axis rotation and ...
Gallage, Chaminda, Dareeju, Biyanvilage, Ishikawa, Tatsuya, Dhanasekar, Manika, Dhanasekar, Manicka   +4 more
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Deformation behavior of K0-consolidated soft clay under traffic load-induced stress paths

Yantu gongcheng xuebao, 2017
Under traffic loads, the magnitudes and directions of the principal stresses applied in the soil elements of soft subgrade change simultaneously. Namely, as the shear stress changes in amplitudes, the principal stress axes continuously rotate.
WU Ting-yu 1, GUO Lin 2,3, CAI Yuan-qiang 1, WANG Jun 2, 3
doaj   +1 more source

Characteristics of cumulative plastic strain and critical dynamic stress of frozen clay under principal stress rotation

Yantu gongcheng xuebao, 2023
As the foundation of cold region projects and the supporting wall of artificial freezing projects, the frozen soil often bears the disturbance of dynamic loads.
ZHANG Binlong 1, 2, WANG Dayan 2, MA Wei 2, LEI Lele 3, ZHOU Zhiwei 2
doaj   +1 more source