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A Study on Seismic Analysis of Masonry Infilled RC Frames with and without Opening

Author(s):

Shivraj Tambake , Reva institute technology and management; Dr. Sunil Kumar Tengli, reva institiute technology and management

Keywords:

Equivalent Diagonal Strut, Equivalent Static Method, Pushover Analysis, ATC-40, ETAB

Abstract

Reinforced concrete frames with masonry infill walls are termed as infilled frames. The provisions of the masonry infill wall increase the strength of the frame. But masonry infill walls are considered as non-structural elements and their bonding interaction is ignored in the design. However during strong lateral loads this infill walls contribute to the response of the structure and may induce a load resistance mechanism different from that predicted for bare frame structure. The objective of the work is to study the seismic performance of the infilled RC frames with and without opening using pushover analysis. The stiffness of the masonry infilled walls is included in the model by converting them into an equivalent diagonal strut (EDS) with references to FEMA-356. The seismic parameter like base shear, storey drift, storey displacement, hinge states are studied for different models and the conclusions are made. The RC frame is designed as per IS 456-2000 and the Static Non Linear Analysis is done using ETABS.

Other Details

Paper ID: IJSRDV5I41432
Published in: Volume : 5, Issue : 4
Publication Date: 01/07/2017
Page(s): 1717-1722

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