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Investigations on Study of Precast Concrete connections under Seismic Conditions

Author : Ajit Ashok Dhumal, Y R Suryawanshi and Prashant S Patil

Pages : 75-80
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This paper presents a FEA model of column to beam joint, considering the column and beam as precast elements. The contour readings are taken at 10 location for precast beam bottom and in corbel incorporated in precast column, where the precast beam rest. RCC frame of G+12 is modeled, static and dynamic (response spectrum) analysis is done. FEA modeling of two connections CB1 and CB2 is modeled as precast elements, considering moment resisting connections. The loadings to be applied on connections are calculated and applied. Three construction stages are considered. From the results of contour readings of 10 locations, the reading at location 9 shows more readings than the tensile strength of concrete (referring IS 456 : 2000, 6.2.2, page 16), which is due to applying lateral force on upper column surface. This will be addressed by additional reinforcement. SAP2000 have been used for analysis. To validate SAP2000, modeling of RCC frame (G+3) along with Static analysis and Pushover is done by using SAP2000 and the calculated base shear is matching with the same G+3 RCC frame modeled by using ETABS (referring to published paper at Int. Journal of Engineering Research and Applications , Vol. 3, Issue 5, Sep-Oct 2013, pp.540-546, by Mr. Mohommed Anwaruddin Md. Akberuddin, Mohd. Zameeruddin Mohd. Saleemuddin)

Keywords: Contour, construction stages, FEA model, lateral force, moment resisting connections, precast.

Article published in International Journal of Current Engineering and Technology, Vol.6, No.1 (Feb-2016)


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