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Paper Details
Paper Title
Seismic Analysis of Multistoried RCC Building Due to Mass Irregularity
Authors
Mr. Pathan Irfan Khan, Dr.Mrs. N.R.Dhamge
Abstract
Multistoried buildings are designed as per Earthquake code IS: 1893-1984. Earthquake causes different shaking intensities at different locations and the damage induced in buildings at these locations is also different. There is necessary to construct a structure which is earthquake resistance at a particular level of intensity of shaking a structure.
But during Bhuj earthquake, in Ahmedabad two buildings which were designed as per IS:1893-1984 and were found to be seriously damaged due to mass irregularity as a swimming pool was located at the 10th floor. Here excess mass leads to increase in lateral inertia forces, reduced ductility of vertical load resisting elements and increased propensity towards collapse. Excess mass on higher floors produce more unfavourable effects than those at lower floors. Vertical Mass irregularity is an important factor which is to be considered while designing multi-storeyed building.
This paper highlights the effect of mass irregularity on different floor in RCC buildings with as Response Spectrum analysis using STAAD-Pro V8i software. In this project work seismic analysis of RCC buildings with mass irregularity at different floor level are carried out. The Model Considered was of G+10 having swimming pool on 3rd, 6th and 9th Floor. Maximum Base Shear along X and Z directions is also calculated. Lateral Displacements and Storey Drift is also evaluated for X and Z directions. Axial Forces, Torsion and Bending Moment are calculated for six different columns.
Keywords- Vertical Irregularity , Storey drift , Storey Shear, Seismic Analysis ,Base Shear, Torsion, Axial Forces, Mass Irregularity, Bending Moment.
Publication Details
Unique Identification Number - IJEDR1603036Page Number(s) - 214-220Pubished in - Volume 4 | Issue 3 | July 2016DOI (Digital Object Identifier) - Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
Mr. Pathan Irfan Khan, Dr.Mrs. N.R.Dhamge, "Seismic Analysis of Multistoried RCC Building Due to Mass Irregularity", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.4, Issue 3, pp.214-220, July 2016, Available at :http://www.ijedr.org/papers/IJEDR1603036.pdf
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