PERFORMANCE BASED EVALUATION OF RESPONSE REDUCTION FACTOR FOR ELEVATED CIRCULAR WATER TANK

Structural Engineering, Civil Engineering

ABSTRACT The actual earthquake force in considerably higher than what the structures are designed for. We cannot design the structures for the actual value earthquake intensity because the cost of construction will be too high. The actual intensity of earthquake is reduced by a factor called response reduction factor ‘R’. The value of ‘R’ depends on how we design the frame members. From previous study it is noted that the ‘R’ factor depends on ductility factor (Rµ), strength factor (Rs), structural redundancy (RR) and damping associated with structure. The objective of this work is to evaluate the response modification factor (R) for To evaluate the response reduction factor of elevated water tank for various capacities using nonlinear analysis in CSI SAP2000 and To compare response reduction factor of elevated water tank having different capacities for different seismic zones, To evaluate the strength factor, ductility factor and redundancy factor for various seismic zones. To study the effect of base shear, maximum lateral displacement, fundamental time period of various zones to be carried out

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