Title:
Response of Prestressed Concrete Elements to In-Plane Shear Forces
Author(s):
Peter MartiI and JoostT Meyboom
Publication:
Structural Journal
Volume:
89
Issue:
5
Appears on pages(s):
503-514
Keywords:
deformation; loads (forces); prestressed concrete; shear strength;
reinforced concrete; structural design; tests; Structural Research.
DOI:
10.14359/2956
Date:
9/1/1992
Abstract:
Results of in-plane shear tests on three orthogonally reinforced concrete plate elements are presented and compared with response predictions according to linear, nonlinear, and limit analysis approaches. The three specimens were identical except for the reinforcements in one direction. In this direction, one specimen was nonprestressed while its two companion specimens were partially prestressed to various degrees. It is shown that prestressing delays cracking, reduces the reorientation of the internal forces after cracking, and allows higher ultimate loads to be reached. It is also shown that if linear analysis is used to predict service load responses and ultimate conditions, a close approximation to experimental observations is obtained. A more complex, nonlinear analysis also closely approximates experimental observations.