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Analytical Study On Industrial Steel Building With Braceing
[Full Text]
AUTHOR(S)
D.S.Vijayan, K.Naveen Kumar, S.Aravindan
KEYWORDS
Lateral load Resisting structural system, Bracing, Load, Mass, Dampers, Analysis.
ABSTRACT
The structural system of the building needs to support the lateral loads because of earthquake and wind additionally to gravity loads. A lateral load develops high stresses and produces sway inflicting vibration and drift. If the industrial steel structures don't seem to be designed to resist the lateral loads, then they'll be collapse ensuing into the loss of life or its content. So, it’s vital for the structure to own not solely spare strength against gravity loads. However additionally the adequate stiffness to resist lateral forces. Literature review reveals that LLRSS (Lateral load Resisting structural system) is provided within the type of devices like base isolation and dampers that control the seismic vibration, and lateral drift. However, these devices are terribly pricey and effective just for high rise buildings. Thus, there's a desire to check the LLRSS or technology appropriate for a selected breadth of building. The target of this analysis is to propose straightforward however innovative, and effective LLRSS or structural technology and methodology for the unstable management which may be employed in new similarly as previous industrial steel structures. In spite of accelerating quality, analytical study of braced industrial steel structure, and its careful demand to regulate the unstable responses restricted in Republic of India. Additionally, industrial steel structure involves significant burden because of giant member size that intern is a lot of prompt for unstable loss. Hence, it's planned to check the response of steel buildings/frames with differing kinds of steel bracings configurations and dampers as a LLRSS to regulate the vibration lateral displacement, and structure drift. The structural response parameters selected for the study area unit fundamental measure, natural frequency, and roof displacement. The analysis work deals with the constant study of response of Non-linear time history analysis (NLTHA) of 3D industrial steel structure braced completely different completely different bracing configurations and dampers with different mass ratio's victimization the stability (STADD Pro-2000) beneath Bhuj earthquake. Bracing configuration used square measure X-bracing, ECCENTRIC bracing, DIAGONAL bracing to recommend suitableness of specific bracing configurations for the steadiness of the building structure beneath unstable loading. Modals with x bracing and damper with mass quantitative relation a pair of square measure found to enhance the performance of the building beneath earthquake load, and wind load.
REFERENCES
[1] M. Fragiacomo, C. Amadio, L. Macorini, 2004 - Seismic response of steel frames under repeated earthquake ground motions, 2021–2035.
[2] J.M. Gogginsa, B.M. Brodericka, A.Y. Elghazoulib, A.S. Lucasa, 2006 - Behaviour of tubular steel members under cyclic axial loading, 121–131.
[3] N. Hoveidae, B. Rafezy, 2012 - Overall buckling behaviour of all steel buckling restrained braces, 151-158.
[4] B.M. Brodericka, J.M. Gogginsa, A.Y. Elghazoulib, 2005 - Cyclic performance of steel and composite bracing members, 493–514.
[5] Mahmoud R. Maheri, R. Akbari, 2003 - Seismic behaviour factor, R, for steel X-braced and knee-braced RC buildings, 1505–1513.
[6] Iman Hajirasouliha, Alireza Doostan, 2010 - A simplified model for seismic response prediction of concentrically braced frames, 497–505.
[7] Ernesto Grande, Alessandro Rasulo, 2013 - Seismic assessment of concentric X-braced steel frames, 983-995.
[8] H. Moghaddam, I. Hajirasouliha, A. Doostan, 2005 - Optimum seismic design of concentrically braced steel frames: concepts and design procedures, 151–166.
[9] M. Bosco, P.P. Rossi, 2009- Seismic behaviour of eccentrically braced frames, 664-674.
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