Abstract
The grille-type steel plate concrete composite wall (GSPCW) is an innovative shear wall system that mainly consists of steel faceplates, steel tie plates and infilled concrete. Compared to traditional steel plate concrete composite shear walls, the advantages of GSPCW walls include: (1) relatively high lateral and buckling resistance; and (2) simple structural measures for convenient construction and implementation. This paper presents the results of extensive numerical investigations regarding GSPCW systems, examining both GSPCW wall components and their application in a super-high-rise building as a case study. First, typical GSPCW wall models are established using DIANA software, and the numerical models are validated on the basis of comparison with results from previously reported experimental tests. The verified models are further used to perform parametric analyses with the aim of further understanding the effects of various design parameters on the seismic performance of GSPCW systems, including steel ratio, axial load ratio, height-to-width ratio, aspect ratio of the grille steel plate, and concrete compressive strength. Second, a super-high-rise building was selected for application to perform a case study of a GSPCW system. The seismic performance of the tall building in the case study was comparatively evaluated on the basis of both nonlinear time history analysis and modal pushover analysis (MPA), and the results from both of these methods validated the use of GSPCW is an efficient structural wall system appropriate for use in super-high-rise buildings. Finally, a simple economic assessment of the GSPCW building was performed, and the results were compared with those obtained for conventional reinforced concrete wall buildings.
Highlights
Steel plate concrete shear wall is a composite structural wall system that is formed Steel plate concrete shear wall is a composite structural wall system that is formed by placing steel plates on one or both sides of a concrete slab or inside a concrete core
Depending on the layout of the steel plate, such composite shear wall systems can be classified into three main categories, i.e., single-sided, double-sided, and embedded steel classified into three main categories, i.e., single-sided, double-sided, and embedded steel plate concrete composite shear walls [1]
The results of their study demonstrated that the improved grille-type steel plate concrete composite wall (GSPCW) shear wall system recently conducted seismic performance tests on three GSPCW walls
Summary
Steel plate concrete shear wall is a composite structural wall system that is formed Steel plate concrete shear wall is a composite structural wall system that is formed by placing steel plates on one or both sides of a concrete slab or inside a concrete core. Depending on the layout of the steel plate, such composite shear wall systems can be plate. On the basis on previous research, steel steel concrete composite shearnormally walls normally high load resistance, high plate plate concrete composite shear walls possesspossess high load resistance, high stiffness, stiffness, and excellent ductility and energy dissipation capacity [2,3,4,5]. Conventional conventional steel steel plate plate concrete concrete composite may require some reinforcing bars when used in the design of wall sections. The grille-type steel buckling capacity steel plate, plate, while while steel plates plates are are arranged arranged so so as as to to improve improve the the buckling capacity of of the the steel maintaining the advantages of conventional steel plate concrete composite shear wall maintaining the advantages of conventional steel plate concrete composite shear wall systems
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