This report is concerned with cracking in reinforced concrete caused primarily by direct tension rather than bending. Causes of direct tension cracking are reviewed, and equations for predicting crack spacing and crack width are presented. As cracking progresses with increasing load, axial stiffness decreases. Methods for estimating postcracking axial stiffness are discussed. The report concludes with a review of methods for controlling cracking caused by direct tension.
Keywords: cracking (fracturing); crack width and spacing; loads (forces); reinforced concrete; restraints; stiffness; strains; stresses; tensile stress; tension; volume change.
Table of Contents
Chapter 1: Introduction
Chapter 2: Causes of cracking
* Applied loads
Chapter 3: Crack behavior and prediction equations
* Tensile strength
* Development of cracks
* Crack spacing
* Crack width
Chapter 4: Effect of cracking on axial stiffness
* Axial stiffness of one-dimensional members
* Finite element applications
Chapter 5: Control of cracking caused by direct tension
* Control of carcking caused by applied loads
* Control of cracking caused by restraint of volume change
Chapter 6: References
* Recommended references
* Cited references
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