Abstract
Applying uniaxial tension force directly to concrete specimens is the best way to study the tension softening process because this method can measure both tensile strength and tension softening curve from an identical specimen. However, no standard tests have been adopted to provide direct measurement of the tension softening curves of concrete. There are 3 misunderstandings commonly held when investigating the tension softening process. These concern the effect of secondary flexure, boundary conditions, and notches. Because of these, until recently, many inadequate test procedures were proposed. This paper discusses and clarifies these misunderstandings in detail with theoretical and experimental considerations. A test procedure for uniaxial tension testing of concrete is proposed with good results.
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