Taufiq Rochman, Nawir Rasidi, Sumardi, Evi Nur Cahya, Andri Priyanto
An important point of seismic assessment is the judgment of performance limit, which is ascertaining safety framework as building life. Because the higher a multi-story building was built, the higher the risk to the earthquake loads will be. In this paper, a description of column configuration in particular performance-based procedures used for assessing of associated tall buildings is proposed because the columns' size and its configuration strongly affect the performance of the seismic structural response. This paper is aimed to determine the column's size and its proper configuration associated for seismic resistance building structures. Five-building types were modeled using various column sizes and configurations. The pushover analysis from SAP2000 was used to obtain deformation capacity. Hence, the capacity spectrum method ATC-40 and displacement coefficient method FEMA 356 were implemented in order to get the performance points of each building model. The performance evaluation results show that all structural models have a level of performance that is better than maximum expectations, which are on the IO (Immediate Occupancy) performance level. Both building structural models C and E provide the largest deformation capacity, which is able to achieve displacement targets of up to 1.6 m. However, the structure's deformation capacity is greatly affected by the column size and portal structure configuration. The capacity curve from pushover analysis shows that the largest deformation capacity is achieved by medium columns size with a target-drift up to 3%. © 2020 by authors, all rights reserved.
State Polytechnic of Malang, Jl. Soekarno-Hatta, No.9, 65141, East Java, Indonesia; Water Resources Engineering, Brawijaya University, 65145, Indonesia; Construction Engineering Management, Civil Engineering, State Polytechnic of Malang, Indonesia
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