[PDF] Top 20 Nonlinear analysis of circular double-skin concrete-filled steel tubular columns under axial compression

... A circular double-skin concrete-filled steel tubular (DCFST) column is constructed by filling concrete between two concentric circular steel tubes as ... See full document

... stainless steel is much higher than its tensile ...in compression and tension, which may underestimate the compressive strength of stainless steel ...the nonlinear analysis of ... See full document

... Rectangular concrete-filled stainless steel tubular (CFSST) beam-columns utilized as supporting members for building frames may experience axial compression and biaxial ... See full document

... The Concrete Filled Steel Tube (CFST) Structural System is a system based on filling steel tubes with high-strength ...composite steel-concrete ...composite steel ... See full document

... of concrete filled FRP tubular columns (CFFT’s) and they offer several advantages, including improved structural performance, improved durability that prolongs the design life, thereby ... See full document

... describe concrete, mainly four kinds: concrete damaged plasticity model [4], smeared model, brittle cracking model and ...hollow concrete-filled steel ...sandwich concrete shows ... See full document

... FEA is widely accepted in almost all engineering disciplines. The method is often used as an alternative to the experimental test method set out in many standards. The technique is based on the premise that an ... See full document

... [16] 曹国辉 , 胡佳星 , 张锴 , 等 . 钢管膨胀混凝土徐 变 系 数 简 化 模 型 [J]. 建 筑 结 构 学 报 , 2015, 36(06): 151-157. (CAO G H, HU J X, ZHANG K, et al. Simple model of creep coefficient for expansive concrete filled steel tube ... See full document

... numerical analysis with Experimental work to find out the load carrying capacity of the concrete filled steel tubular columns under axial ...varying steel ... See full document

... the Concrete filled steel tube under Axial ...Short Concrete Filled Steel Tubular Columns (CSFT) under axial compression to ... See full document

... of steel, with the space between the filled with ...be filled with concrete if ...to concrete and additional shear resistance to columns. The steel tube acts as the main ... See full document

... Concrete-filled double skin steel tubular (CFDST) columns were first introduced by (Shakir-Khalil 1991) in ...in compression chambers in deep-sea pressure ...CFDST ... See full document

... that,”Concrete-filled Double-skin Tubular Columns with External Steel Rings” reports the CFDST columns with external confinement were effective in restricting the ... See full document

... Concrete filled steel tube (CFST) columns have been broadly used in high-rise buildings due to their excellent resistance to axial ...In concrete filled steel tube ... See full document

... of axial behavior of concrete-filled double skin steel tubular (CFDST) columns exposed to high temperature under the action of monotonically applied ... See full document

... and axial strain, and fiber strains. The nonlinear characteristics of the element derives entirely from the material nonlinearity fiber stress-strain ...(e.g., concrete cracking, confinement, local ... See full document

... material nonlinear behaviour of steel plates in thin-walled box columns filled with ...clamped steel plates are ...clamped steel plates and a design model is also proposed for ... See full document

... The regression values and maximum squared error of the networks with different number of hidden nodes are presented in Figs. 5 and 6. After the pre-acceptance of desirable networks, the best network is Net-6-2. In best ... See full document

... each steel plate (in ...uniform compression, preliminary tests within the elastic range were conducted by carefully adjusting the position of the specimen, based on the data of the dial gauges and strain ... See full document

... of steel columns with three different cross sections, ...conditions, under axial compression has been ...the steel columns have been ... See full document