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Establishing empirical relationships to predict grain size and tensile strength of friction stir welded AA 6061-T6 aluminium alloy joints S. RAJAKUMAR, C. MURALIDHARAN, V. BALASUBRAMANIAN... alloy (Al-Mg-Si alloy) has gathered wide acceptance in the fabrication of light weight structures requiring a high specific strength and good corrosion resistance. Compared with the fusion welding......
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Experimental investigation of axially loaded steel fiber reinforced high strength concrete-filled steel tube columnsLU Yi-yan(卢亦焱), LI Na(李娜), LI Shan(李杉), LIANG Hong-jun(梁鸿骏) (School of Civil... to investigate the effects of the concrete strength, the thickness of steel tube and the steel fiber volume fraction on the ultimate strength and the ductility. The experimental results indicate......
J. Cent. South Univ. (2017) 24: 2487-2495 DOI: https://doi.org/10.1007/s11771-017-3661-z Strength and failure characteristics of sandstone containing two circular holes filled with two types... containing two fabricated circular holes that were filled with gypsum and high-strength concrete respectively were prepared for studying the effects of ligament length L ligament incline angle α, as well......
J. Cent. South Univ. Technol. (2009) 16: 0143-0148 DOI: 10.1007/s11771-009-0024-4 Strength of copolymer grouting material based on orthogonal experiment CHEN Yong-gui(陈永贵)1, 2, 3, YE Wei-min(叶为民... experimental design method involving three factors and three levels, the flexural strength and the compressive strength of copolymer grouting material were studied with different compositions of water-cement......
J. Cent. South Univ. Technol. (2011) 18: 208-215 DOI: 10.1007/s11771-011-0681-y Ultimate end bearing capacity of rock-socketed pile based on generalized nonlinear unified strength criterion... Berlin Heidelberg 2011 Abstract: In order to study the mechanism of bearing behavior at the tip of a pile embedded in rock, the generalized nonlinear unified strength criterion and slip line principle......
stress and strength nonlinearity ZHANG Chang-guang(张常光)1, CHEN Xin-dong(陈新栋)2, FAN Wen(范文)3 1. School of Civil Engineering, Chang’an University, Xi’an 710061, China; 2. School of Highway, Chang... principal stress does affect the unsaturated soil strength; meanwhile, the relationship between the unsaturated soil strength and matric suction is nonlinear. This work is to present closed-form......
Mechanism of improving ductility of high strength concrete T-section beam confined by CFRP sheet subjected to flexural loadingWANG Su-yan(王苏岩)1, WANG Ze-yuan(王泽源) 2(1. Faculty of Infrastructure... Office, Dalian 116600, China)Abstract:For the purpose of inventing a new seismic retrofitting method for the reinforced high strength concrete (HSC) T-section beam using carbon fiber reinforced polymer......
Trans. Nonferrous Met. Soc. China 26(2016) 822-834 An elasto-plastic constitutive model for soft rock considering mobilization of strength Hang-zhou LI1, Guang-dong XIONG1, Gui-ping ZHAO2 1...: A new elasto-plastic constitutive model is presented in the framework of plasticity theory. The strength characteristics of a diatomaceous soft rock is investigated. The friction angle and cohesion......
of high strength briquettes PENG Hao-yi1, ZHOU Jie-min1, PENG Gen2, XIE Dong-jiang1, LIU Yan-jun1 (1. School of Energy Science and Engineering, Central South University, Changsha 410083, China.... By adopting a timed drying and strength measuring method, the relation between the water content and cold mechanical strength of high strength briquette was studied. The experimental results show the drying......