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; (11) where c and e are the constants about formation properties and mud physical chemistry properties; Dd is the stress damage factor when drilling fluids contact formation; Df...J. Cent. South Univ. (2016) 23: 3256-3261 DOI: 10.1007/s11771-016-3391-7 Coupled effects of stress damage and drilling fluid on strength of hard brittle shale WANG Wei(汪伟), DENG Jin-gen(邓金根), YU Bao......
describe many mechanical properties of sand materials. 5 Stress-path hypoplastic model of rockfill From the simulations of large amount of traxial tests on rockfill with the Gudehus-Bauer model... in the updated version of Gudehus-Bauer model, which are φc, hs, n, ed0, ec0 and ei0. The basic parameters describe the intrinsic properties of rockfill materials and are independent of stress path, which keep......
)Abstract:In order to identify the critical properties and failure criteria of in-situ silt under vehicle or wave loading, anisotropically consolidated silt under undrained cyclic principal stress rotation...Dynamic strength characteristics and failure criteria of anisotropically consolidated silt under principal stress rotationSHEN Yang(沈扬)1, ZHANG Peng-ju(张朋举)1,2, XU Guo-jian(徐国建)1, LIU Han-long(刘汉龙)1......
Effect of properties of sheet metal on shear stress wrinklingCUI Ling-jiang(崔令江), ZHANG Wen-cong(张文从)(School of Materials Science and Engineering,Harbin Institute of Technology(Weihai), Weihai 264209, China)Abstract:The shear stress wrinkling in forming large thin-sheet is very common and hard to be eliminated. The property of sheet metal is one of the most important factors that have great......
Mechanical properties and stress corrosion cracking behaviour of AZ31 magnesium alloy laser weldments P. B. SRINIVASAN, S. RIEKEHR, C. BLAWERT, W. DIETZEL, M. KO?AK Institute of Materials... for the SCC. Key words: AZ31 magnesium alloy; laser welding; microstructure; mechanical properties; slow strain rate tensile test; stress corrosion cracking; fractography 1 Introduction Automobile......
-zhang, YUAN Fu-ping, CAO Jie-dong. Study on propagation properties of combined stress waves in viscoplastic thin-walled tubes [J]. Explosion and Shock Waves, 2003, 23(1): 1-5. [11] SUN Yu-xin, ZHANG... Effect of material parameters on stress wave propagation during fast upsetting WANG Zhong-jin(王忠金), CHENG Li-dong(程利冬) School of Materials Science and Engineering, Harbin Institute of Technology......
J. Cent. South Univ. Technol. (2011) 18: 285-289 DOI: 10.1007/s11771-011-0692-8 Prediction model of residual stress field in aluminum alloy plate GONG Hai(龚海), WU Yun-xin(吴运新), LIAO Kai(廖凯) School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Residual stress......
J. Cent. South Univ. Technol. (2011) 18: 1662-1666 DOI: 10.1007/s11771-011-0886-0 A new apparatus for investigating stress, deformation and seepage coupling properties of rock fractures LIU Cai... with the normal stress and the lateral stress. Key words: true triaxial apparatus; rock fractures; normal stress; lateral stress; normal deformation; seepage properties; hydraulic conductivity 1......
stress in the material is related to its microstructure [19, 20], especially as a kind of typical stick elastic-plastic material, the soil has different mechanical properties, which is liable to cause... J. Cent. South Univ. (2019) 26: 728-742 DOI: https://doi.org/10.1007/s11771-019-4043-5 Dynamic stress accumulation model of granite residual soil under cyclic loading based on small-size creep......
to explosive stress wave under consideration of heterogeneity of mechanical properties of material, a simple and direct numerical model was established, and influence of tunnel reinforcing on failure process...J. Cent. South Univ. Technol. (2008) 15: 632-638 DOI: 10.1007/s11771-008-0118-4 Numerical analysis of tunnel reinforcing influences on failure process of surrounding rock under explosive stress......