Cfst torsion
WebApr 30, 2013 · The quasi-static test on six CFST columns under combined compression, bending and torsion cyclic load condition were carried out in order to study the mechanical behavior of CFST columns with... WebSep 6, 2024 · The yield torsional moment capacity of the steel tube had the strongest correlation with the yield moment of the CFST, followed by the ratio of diameter to …
Cfst torsion
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WebMay 25, 2024 · The torsional performance of square concrete filled CFRP-steel tube (S-CF-CFRP-ST) is revealed by experimental study. Total 18 specimens, taking the confinement factor of transverse CFRP, strengthening factor of longitudinal CFRP and the compressive strength of cubic concrete as principal factors, were designed and tested under torsional … WebIn torsion tests the m -values were 0.072 and 0.045 for steel and bra ss. Utpal Borah et al. [9 ] developed multiaxial state of deformation kinematics and stresses in bulk metal f orming processes, evaluation of workability calls for materials testing using combined axial an d torsion tests. A high temperature
WebNov 14, 2024 · This paper presents the behavior of hollow-core fiber-reinforced polymer–concrete–steel (HC-FCS) columns under cyclic torsional loading combined with constant axial load. The HC-FCS consists of an outer fiber-reinforced polymer (FRP) tube and an inner steel tube, with a concrete shell sandwiched between the two tubes. The … WebJan 1, 2024 · The mechanical properties of concrete-filled steel tubular (CFST) columns with different sizes under torsional load were studied, aiming to further explore the pure torsional failure mechanism and size effect behavior of CFST columns. First, a 3D meso-scale numerical model of CFST is established and compared with the existing experimental data.
WebJul 4, 2024 · This work aims to develop a novel and practical equation for predicting the axial load of rectangular concrete-filled steel tubular (CFST) columns based on soft computing techniques. More precisely, a dataset containing 880 experimental tests was first collected from the available literature for the development of an artificial neural network (ANN) … WebMar 21, 2024 · The experimental results showed that the CFST column with reinforcing bars has a higher bearing capacity, more effective plastic …
WebApr 13, 2024 · The behavior of two series of corroded thin-walled concrete-filled steel tubes (CFSTs) was investigated in this paper. One series, called the CT series, consists of fourteen CFST specimens corroded by NaCl solution, while the other, called the AT series, consists of six test pieces corroded in the atmosphere. Outer surfaces of corroded steel …
WebDec 1, 2024 · The quasi-static tests and the further FE analysis were conducted on the torsional capacity of the CFRP-CFST column under pure torsion. The following … polyseal 650 brickformWebJan 2, 2024 · The deformation capacity of CFST beams decreased by 13% and 34% when the gap ratio reached 1.1% and 2.2%, respectively. Defects such as concrete cavitation and local corrosion can thus markedly weaken the performance and durability of CFST structures, which could lead to serious security incidents. shannon blake anchorWebDec 1, 2024 · To investigate the differences of torsion performance between CFST and SRCFST members and further analyze the mechanical performance of CFST columns … poly-sealWebJan 15, 2024 · A successful attempt of optimization of torsion design for CFST columns using a two-stage TrAdaBoost, transfer learning-based algorithm was conducted by (H. Huang et al., 2024). The TrAdaBoost... shannon blakey phdWebTORQUE-STRAIN THEORETICAL ANALYSIS MODEL OF CONCRETE FILLED CIRCULAR STEEL TUBES UNDER PURE TORSION [J]. Engineering Mechanics, 2024, 39 (1): 175-187. doi: 10.6052/j.issn.1000-4750.2024.12.0911 PDF ( 5097 KB) TORQUE-STRAIN THEORETICAL ANALYSIS MODEL OF CONCRETE FILLED CIRCULAR … poly-seal coneWebSep 1, 2024 · There are a number of scenarios in which structural members experience torsion, including under the direct application of torsional loading, when transverse … shannon blay compassWebCombined compression-bending-torsion behavior of CFST columns confined by CFRP for marine structures. Composite Structures, 242:112181. Li Gen, Hou Chao*, Han Linhai and Shen Luming. 2024. Numerical study of concrete-encased CFST under preload followed by sustained service load. Steel and Composite Structures, 35(1):93-109. shannon blanchard murray