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Axial compression physical testing of traditional and bird beak SHS T-jointsCHEN Yu(陈誉)1, 2, WANG Jiang(王江)2(1. School of Urban Construction, Yangtze University, Jingzhou 434023, China;2. College... types under axial compression at brace end were carried out. Experimental test schemes, failure modes of specimens, jack load-vertical displacement curves, jack load-deformation of chord and strain......
Effects of Ca addition on tensile properties and microstructures of hot-extruded AZ91 alloy tube WANG Feng(王 峰)1, LIU Zheng(刘 正)1, YU Bao-yi(于宝义)1, ZHANG Kui(张 奎)2 1. School of Materials Science... 2006 Abstract: As-cast AZ91+XCa (X=0, 0.5%, 1.0%, 1.5%, mass fraction) magnesium alloys were extruded into tube at 380℃ with an extrusion ratio of 6:1. The tensile properties and microstructures......
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tube axial compression 图5 虚拟正交试验获得的载荷-变形曲线 Fig. 5 Load-reduction curves obtained by virtual orthogonal test 根据虚拟正交试验结果建立载荷-材料参数之间的回归方程.首先进行极差分析,通过考察影响参数对载荷的水平响应,发现K的水平响应近似满足线性关系,n和均近似满足二次抛... the curves, the material parameters of tube were obtained by using the inverse method. In order to verify the reliability of the identified parameters, FE simulations of ring compression tests were......
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 Engineering, Wuhan University, Wuhan 430072, China)Abstract:an experimental study on the compressive behavior of steel fiber reinforced concrete-filled steel tube columns is presented. specimens were tested......
J. Cent. South Univ. (2012) 19: 1125-1131 DOI: 10.1007/s11771-012-1118-y Stress-strain behavior of plastic concrete using monotonic triaxial compression tests Y. Pashang Pisheh, S. M. Mir Mohammad...: The mechanical behavior of plastic concrete used in the cut-off walls of earth dams has been studied. Triaxial compression tests on the specimens in various ages and mix designs under different......
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J. Cent. South Univ. (2016) 23: 1981-1989 DOI: 10.1007/s11771-016-3255-1 An underwater acoustic data compression method based on compressed sensing GUO Xiao-le(郭晓乐)1, 2, YANG Kun-de(杨坤德)1, 2, SHI... acoustic data has rapidly expanded with the application of multichannel, large-aperture underwater detection arrays. This study presents an underwater acoustic data compression method that is based......
J. Cent. South Univ. Technol. (2011) 18: 1813-1818 DOI: 10.1007/s11771-011-0907-z Characteristics of thickness distribution of tailor-welded tube hydroforming CHU Guan-nan(初冠南)1, 2, LIU Gang(刘钢)3... Berlin Heidelberg 2011 Abstract: Both experimental and mechanical analyses were carried out to investigate the characteristics of thickness distribution for tailor-welded tube (TWT) hydroforming......