Improved Model for Reinforced Concrete Members Subjected to Combined Loading Including Torsion

Hareendran, Smrithi P (2016) Improved Model for Reinforced Concrete Members Subjected to Combined Loading Including Torsion. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Majority of the concrete structural components in general are subjected to different load combinations. The internal forces acting on any section in general can be categorized into four basic actions. These are (a) Flexural moments, (b) Axial loads, (c) Sh ear forces and (d) Torsion. These actions may occur alone or in combination with others and they effect the structures in different ways under various conditions. Some of these combinations can include significant shear and torsion. The shear and bending f orces acting maybe lateral (along Z - axis) or vertical (along Y - axis). The action of all the sectional forces are shown in Fig.1.1. The behavio u r of RC members under combinations of flexure, shear and axial load has been relatively well understood. Wherea s , the behavior under shear and torsion are more complicated and the detailed studies conducted on these are very limited. There are several studies conducted to study the behavior under torsion and the earlier models developed could predict only the ultim ate loads carried by the section.

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