Abstract
Buildings are designed in different methods for resisting the lateral loads, in which strong column weak beam concept is one of the methods of designing, this method is used to avoiding the global failure of the structure In this work 3bay 5 story RC frame building is consider for the analysis, the structures are design strong column weak beam with the help of static non-linear pushover analysis of RC frame building with increasing the percentage of column sizes 20%, 40%, 60%, 80% and 100%. By varying with percentage of columns resistances of structure is increased. The parameters base shear, story displacement, and hinge formations in the structure is obtained from this analysis. The base shear and displacement are increased by increasing the column sizes, these parameters are discussed the results in detail. Comparing the all six model results the base shear in increased by 266.64% when the column size is increased by 100%. From this analysis we can reduce the failure in the structure during the earthquake. Formation of plastic hinges in column changes to beam by increasing the column size, so increase the capacity of structure. The building is analyzed by using SAP2000.
Highlights
A day’s the buildings are design horizontal and vertical loads, and consider the lateral loads, wind loads
In that different methods are introduced to design the buildings in which strong column weak beam concept is one of the methods of designing
The damages occur in the RC frame building due to past earthquake shown that failure may be due to utilization of poor quality of construction materials, soft story, beam-column joint connection is weakest point in the building it is fail when structure is subjected to lateral loads [8]
Summary
A day’s the buildings are design horizontal and vertical loads, and consider the lateral loads, wind loads. The damages occur in the RC frame building due to past earthquake shown that failure may be due to utilization of poor quality of construction materials, soft story, beam-column joint connection is weakest point in the building it is fail when structure is subjected to lateral loads [8]. If in case the beam is fail it is indicated before collapse of the element by formation of cracks or deformations it can observe by seeing. In figure.[1] (a) and (b) shows the failure mechanism of strong column weak beam design building and weak column strong beam designed building. In this present study consider the 5-story 3-bay RC frame building is taken. Figure[1]: (a) Mechanisms of Strong Column Weak Beam and (b) Weak Column Strong Beam [7]
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