Wind Response Analysis of Tall Framed Buildings

Abstract eng:
Tall buildings are essentially made of Reinforced Cement Concrete or Steel frames and are designed for lateral loads including earthquake and wind, in addition to gravity loads. Influence of wind loads increases with the increase in height. Whereas, exact methods of analysis for multi-storied frames are available, yet approximate methods have its own advantage in carrying out preliminary design of tall building frames. Some of the approximate methods, although, require very small quantity of input data, yet result in the response quite comparable to the exact method of analysis. The designers can use such methods very conveniently to analyse tall building frames under wind loads, if a choice of a frame configuration is to be made from many suggested ones. Present paper deals with a study carried out in relation to analysis of various frame configurations with varying heights and widths under wind loads. The work presented can be divided into three parts namely, (i) development of a software on the basis of Object-Oriented Programming (OOP) to evaluate wind loads on building frames, (ii) development of software using 6 number approximate methods and 1 number exact method for the analysis of frames under lateral loads and (iii) response analysis of 5 number 2-D building frames using developed software.

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