Papers by Mohammad Rafiqul Islam
Structural stability and aesthetics views as well as optimum use of space and cost are generally ... more Structural stability and aesthetics views as well as optimum use of space and cost are generally the greatest concerns for the modern civil engineers and architects. So engineers have to look for different types and models of buildings. Moreover, Bangladesh i s one of the most earthquake prone areas in South-Asia. Especially, Sylhet is the most vulnerable region in Bangladesh. Hence, it is important to check the seismic performance of different types of buildings. There are many static and dynamic procedures to assess the seismic performance of buildings. In this study, linear static analysis was used to check and compare the seismic performances of si x models of mid-rise buildings having same surface area considering four different slab conditions. This study was done in accordance with the ACI 318-08, BNBC 2006 and UBC 1994. ETABS version 9.6 w as used for the analysi s. From the result of the linear static analysis, it was revealed that, case 1 model 3(irregular plan 1 with shear wall having conventional beam-column slab system) has the best performance for earthquake loads towards X-direction. On the other hand, case 1 model 5(irregular plan 2 with shear wall having conventional beam-column slab system) has shown better resistance against earthquake loads from Y-direction. Buildings of irregular plan showed more variable performances than that of regular square plan. At the same time, the study also found that, among the flat plate slab systems, flat plate w ith edge beam and w ithout cantilever portion has the best resistance and stiffness against the earthquake loads.
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Papers by Mohammad Rafiqul Islam