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原文传递 Behavior of Steel-Plate Composite Wall Piers under Biaxial Loading

题名：	Behavior of Steel-Plate Composite Wall Piers under Biaxial Loading
正文语种：	英文
作者：	Saahastaranshu R. Bhardwaj1; Amit H. Varma, M.ASCE2; Nebojsa Orbovic, M.ASCE3
作者单位：	1Postdoctoral Researcher, Lyles School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907 (corresponding author). 2Karl H. Kettelhut Professor and Director of Bowen Laboratory, Lyles School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907. 3Technical Specialist, Engineering Design Assessment Division, Canadian Nuclear Safety Commission, P.O. Box 1046, Station B, 280 Slater St., Ottawa, ON, Canada K1P 5S9.
关键词：	Wall pier; Steel-plate composite; Biaxial loading; Interaction; In-plane shear; Out-of-plane shear
摘要：	Steel-plate composite (SC) structures may be subjected to combination of in-plane and out-of-plane forces for extreme loading combinations (e.g., seismic and accident thermal). This paper presents the results from behavioral and experimental investigations conducted to evaluate the interaction of in-plane and out-of-plane forces on SC wall piers (without boundary elements). Experimental results indicate that the effect of out-of-plane forces on the in-plane behavior of SC wall piers depends on the location and magnitude of the out-ofplane loading. Wall piers subjected to out-of-plane shear equal to their nominal shear strength (per US codes) develop flexural yielding and failure due to interaction between the in-plane and out-of-plane moments. Shear failure does not occur in these wall piers. Wall piers subjected to out-of-plane shear forces significantly greater than the nominal shear strength (per US codes) are forced into a shear failure mode by the interaction of in-plane shear and out-of-plane shear. An interaction equation for in-plane and out-of-plane moments is developed to characterize the flexure-controlled behavior of wall piers. This interaction equation can be used to design and to evaluate the behavior of SC wall piers subjected to combination of in-plane and out-of-plane moments.
出版年：	2019
期刊名称：	Journal of Structural Engineering
卷：	145
期：	2
页码：	1-17