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Simple quality control method for the tensile strength of strain hardening cementitious composites (SHCC)

Title: Simple quality control method for the tensile strength of strain hardening cementitious composites (SHCC)
Author(s): S. Qian, V.C. Li
Paper category : conference
Book title: The 50-year Teaching and Research Anniversary of Prof. Sun Wei on Advances in Civil Engineering Materials
Editor(s): C. Miao, G. Ye and H. Chen
Print-ISBN: 978-2-35158-098-1
e-ISBN: 978-2-35158-099-8
Publisher: RILEM Publications SARL
Publication year: 2010
Pages: 151 - 160
Total Pages: 10
Nb references: 10
Language: English

Abstract: As an emerging advanced construction material, strain hardening cementitious composite (SHCC) has seen increasing field applications in recent years. Reliable data on tensile properties, including tensile strength and tensile strain capacity, are needed for structural design and for quality control. However, existing uniaxial tensile tests are relatively complicated and sometime difficult to implement, particularly for quality control purpose in the field. A simple inverse method based on beam bending test was presented by the authors [1] for indirect determination of tensile strain capacity, aimed at quality control of SHCC in field applications. This paper extends this method to also determining the tensile strength based on beam bending test data. This proposed method (UM method) has been validated with uniaxial tensile test results with reasonable agreement. In addition, this proposed method is also compared with the Japan Concrete Institute (JCI) method. Comparable accuracy is found, yet the present method is characterized by much simpler experiment setup requirement and data interpretation procedure. Therefore, it is expected that this proposed method can greatly simplify the quality control of SHCCs both in execution and interpretation phases, contributing to the wider acceptance of this type of new material in field applications.

Online publication: 2010-04-22
Publication type : full_text
Public price (Euros): 0.00

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