... and the maximum shear failure criterion on the fault zone, and simulate the earthquake brittle rupture by decreasing shear modulus. After Wenchuan earthquake, the crustal stress field shows that: In the middle and the northern section of Longmen mountain central fault zone, the shallow maximum principal stress...

... Reservoir Characterization testing result Coal Measure Upstream Oil & Gas Rock mechanics characteristic stress field vertical stress coal mining district horizontal principal stress reservoir geomechanics maximum principal stress mining district China principal stress in-situ stress...

... The measurement sites lied in Kailuan mining area, including 6 coal mines, Jinggezhuang, Tangshan, Qianjiaying, Fangezhuang, Donghuantuo and Linxi (Figure 3). The distribution of measurement site was 376 Table 1. In-situ measurement data. maximum principal stress interim principal stress minimum principal stress...

... the analysis of the ground stress measuring results in Jiulong mine: (Table 1). (1) The directions of maximum principal stress at each measuring point are close to the horizontal direction, which is corresponding with the tectonic stress field in Chinese mainland; (2) Maximum principal stress in the horizontal...

... earthquake distribution stress field seismologica sinica Earthquake equivalent stress seismic activity inyunnan area structural geology maximum principal stress Yunnan area seismic activity finite element model principal stress active fault Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor...