deep beams; differential settlement; kinematics; redistribution; shear strength; ultimate deformations
Abstract :
[en] This paper presents a theory for predicting shear strengths, deformations, and crack widths near failure of continuous deep beams. To describe the deformations in continuous deep beams, the theory uses a three-degree-of-freedom kinematic model (3PKT), which is an extension of an earlier two-degree-of-freedom model (2PKT) for members in single curvature. The extended model is validated with the help of measured local and global deformations taken during loading to failure of a large continuous deep beam. The accuracy of the shear-strength predictions given by the theory is evaluated using a database of 129 published tests of continuous deep beams. The theory enables the load distribution and failure loads of continuous deep beams subject to differential settlement to be evaluated.
Disciplines :
Civil engineering
Author, co-author :
Mihaylov, Boyan ; Université de Liège - ULiège > Département ArGEnCo > Structures en béton
Hunt, Bradley
Bentz, Evan
Collins, Michael
Language :
English
Title :
Three-Parameter Kinematic Theory for Shear Behavior of Continuous Deep Beams
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