The Wedge Splitting Test: Influence of Aggregate Size and Water-to-Cement Ratio

Bradley Justin Pease (Invited author), Jan Skocek (Invited author), Mette Rica Geiker (Invited author), Jason Weiss (Invited author), Henrik Stang (Invited author)

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Abstract

Since the development of the wedge splitting test (WST), techniques have been used to extract material properties that can describe the fracture behavior of the tested materials. Inverse analysis approaches are commonly used to estimate the stress-crack width relationship; which is described by the elastic modulus, tensile strength, fracture energy, and the assumed softening behavior. The stress-crack width relation can be implemented in finite element models for computing the cracking behavior of cementitious systems. While inverse analysis provides information about the material properties of various concrete mixtures there are limitations to the current analysis techniques. To date these techniques analyze the result of one WST specimen, thereby providing an estimate of material properties from single result. This paper utilizes a recent improvement to the inverse analysis technique, which enables the stress-crack width response to be determined simultaneously from multiple experimental tests. The effect of water-to-cement ratio and aggregate size are discussed. A comparison of epoxy-impregnated cracked WST specimen and material properties indicate a relationship between fracture properties and characteristics of load induced cracks.
Original languageEnglish
Title of host publicationProceeding of the RILEM Transport Mechanisms in Cracked Concrete Workshop
Place of PublicationLoeven
PublisherAcco
Publication date2007
Edition1
Pages111-122
ISBN (Print)978-90-334-6637-3
Publication statusPublished - 2007
EventRILEM Transport Mechanisms in Cracked Concrete - Ghent, Belgium
Duration: 1 Jan 2007 → …

Conference

ConferenceRILEM Transport Mechanisms in Cracked Concrete
CityGhent, Belgium
Period01/01/2007 → …

Keywords

  • Wedge Split Test, Inverse Analysis, Crack Behavior, Cohesive Law

Cite this

Pease, B. J., Skocek, J., Geiker, M. R., Weiss, J., & Stang, H. (2007). The Wedge Splitting Test: Influence of Aggregate Size and Water-to-Cement Ratio. In Proceeding of the RILEM Transport Mechanisms in Cracked Concrete Workshop (1 ed., pp. 111-122). Loeven: Acco.