Pullout-Slip Response of Fabrics Embedded in a Cement Paste Matrix
Publication: Journal of Materials in Civil Engineering
Volume 19, Issue 9
Abstract
Fabric reinforced cement based composites are a new class of composites with superior tensile strength and ductility which have the potential for becoming load bearing structural members. This enhanced behavior is primarily governed by interfacial bond characteristics between fabrics and matrix. Pullout tests were conducted using several different matrices and fabric types: two different mix designs (control and with fly ash); and four fabric types: alkali-resistant glass, polypropylene, polyethylene, and polyvinyl alcohol. The effects of processing methods: cast, pultrusion, and vacuum as well as fabric embedded lengths (7.6 and ) were also evaluated. The Naamam 1991 pullout model was modified in this paper and used to investigate the bond mechanism expressed as shear strength diagram. The shear strength parameters obtained by fitting the pullout simulation curves to the experimental responses are agreed well with the nominal shear strength obtained directly from the experiments. It was found that the pullout responses are highly dependent on the fabric type, mixture design, and processing method.
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Acknowledgments
The writers appreciate the support of Nippon Electric Glass Co., Ltd., Kuraray America, Inc., and Karl Mayer, Ltd., for providing the fabrics used in this study. The National Science Foundation, Program No. NSF0324669-03, and the BSF (United States Israel Binational Science Foundation) are acknowledged for their financial support in this research.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 19 • Issue 9 • September 2007
Pages: 718 - 727
Copyright
© 2007 ASCE.
History
Received: Oct 21, 2005
Accepted: Mar 1, 2006
Published online: Sep 1, 2007
Published in print: Sep 2007
Notes
Note. Associate Editor: Christopher K. Y. Leung
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