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首页> 外文期刊>Engineering journal >Cyclic Inelastic In-Plane Flexural Behavior of Concrete-Filled, Sandwich Steel Panel Walls with Different Cross-Section Properties
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Cyclic Inelastic In-Plane Flexural Behavior of Concrete-Filled, Sandwich Steel Panel Walls with Different Cross-Section Properties

机译:具有不同横截面特性的混凝土填充夹芯钢板墙的循环非弹性平面内弯曲行为

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摘要

Flexure-dominated, concrete-filled, sandwich steel plate walls (CFSSP-Walls) walls have been studied experimentally by various researchers using a small number of cross-sections and wall aspect ratios. Using these past results to calibrate finite element models, the expected behavior of CFSSP-Walls having different geometries and cross-section properties is investigated here using finite element approaches. Results obtained show that the plastic moment can be used to conservatively predict maximum flexural strength in all cases considered and to provide valuable insights into stress and strain demands at various points during nonlinear response. Results also provide quantification of the contribution of concrete infill on the wall effective stiffness, assessment of wall ductility having a failure criteria based on cumulative plastic strain at steel plate fracture, and effect of wall flange width on the wall behavior of T-shaped sections.
机译:挠曲支配的混凝土填充夹心钢板墙(CFSSP-Walls)已被众多研究人员使用少量的横截面和墙的长宽比进行了实验研究。使用这些过去的结果来校准有限元模型,此处使用有限元方法研究了具有不同几何形状和横截面特性的CFSSP墙的预期性能。所得结果表明,在考虑所有情况下,塑性矩可用于保守地预测最大挠曲强度,并为非线性响应过程中各个点的应力和应变需求提供有价值的见解。结果还提供了混凝土填充物对墙体有效刚度的贡献的量化,基于钢板断裂时累积塑性应变的,具有破坏准则的墙体延性评估以及墙体凸缘宽度对T形截面墙体行为的影响。

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