期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：5
页码：2840
DOI：10.15680/IJIRSET.2015.0405027
出版社：S&S Publications
摘要：The structural system of the building has to support the lateral loads due to earthquake and wind inaddition to gravity loads. A lateral load develops high stresses and produces sway causing vibration and drift. If thebuildings are not designed to resist the lateral loads, then they may be collapse resulting into the loss of life or itscontent. Therefore it‟s important for the structure to have not only sufficient strength against gravity loads but also theadequate stiffness to resist lateral forces. Literature review reveals that LLRSS (Lateral load Resisting structuralsystem) is provided in the form of devices like base isolation and dampers which controls the seismic vibration andlateral drift. But these devices are very costly and effective only for high rise buildings. Hence there is a need to studythe LLRSS or technology suitable for a particular height of building. The objective of this research is to propose simplebut innovative and effective LLRSS or structural technology and methodology for the seismic control which can beused in new as well as old building structures. It is reviewed that since North earthquake (1994), concentrically bracedsteel frame has gained the popularity as a LRSS in the seismic areas. In spite of increasing popularity, analytical studyof braced frame structure and its detailed requirement to control the seismic response is limited in India. Also RCbuilding involves heavy dead load due to large member size which intern is more prompt for seismic loss. Hence, it isproposed to study the response of steel buildings/frames with different types of steel bracings configurations as aLLRSS to control the vibration and storey drift. The structural response parameters selected for the study are timeperiod, natural frequency, and roof displacement. The research work deals with the parametric study of response ofNon-linear time history analysis (NLTHA) of 3D industrial steel buildings braced with different bracing configurationsusing software (Sap-2000) under Bhuj earthquake. The bracing configuration used are SDB, CDB, VVB and INVB inconcentric bracing to suggest suitability of particular bracing configurations for the stability of the building structureunder seismic loading.
关键词：Seismic behaviour; Linear and non linear time history analysis; Response spectra; Bracing system.
