Seismic Behaviour of Shear Wall-Slab Connection

Abstract eng:
Reinforced concrete structures are largely employed in engineering practice in a variety of situations and applications. In most cases these structures are designed following simplified procedures based on experimental data. Although traditional empirical methods remain adequate for ordinary design of reinforced concrete members, the development of the finite element method have provided means for analysis of much more complex systems in a much more realistic way. The main obstacle to finite element analysis of reinforced concrete structures is the difficulty in characterizing the material properties. Much effort has been spent in search of a realistic model to predict the behaviour of reinforced concrete structures. Due mainly to the complexity of the composite nature of the material, proper modeling of such structures is a challenging task. The objective of this work is to explore the various detailing, adopted for the connection of shear wall to floor slab. It reports the results of analyses performed using the reinforced concrete model of the general purpose finite element code ANSYS (Version10). Its reinforced concrete model consists of a material model to predict the failure of brittle materials, applied to a three dimensional solid element in which reinforcing bars may be included. The material is capable of cracking in tension and crushing in compression. This paper presents the results of the three-dimensional non-linear finite element analysis of the shear wall-slab connection under seismic loading.

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