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Analysis of the Slant Shear Test

Analysis of the Slant Shear Test The slant shear test which subjects the interface of two bonded semi-prisms of concrete and repair system to a combined state of compression and shear is claimed to represent the stress state typical of real structures, but the test has some serious shortcomings. The effects of joint angle (angle of concrete/repair plane), adhesion, orientations of semi-prisms during manufacture, mechanical interlocking and friction along the concrete–repair interface are presented. Theoretical analysis of the factors involved in failure and a comparison of the outcome with the experimental results indicated the existence of a critical joint angle. Although the bond strengths of cementitious and polymer modified repair systems measured by this method did not agree with the respective values obtained using the friction-transfer method, but the trend of bond strengths of the resinous systems tested were similar. The coefficient of variation for the slant shear bond strengths was found to be about 23.5%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Adhesion Science and Technology Taylor & Francis

Analysis of the Slant Shear Test

Journal of Adhesion Science and Technology , Volume 23 (2): 17 – Jan 1, 2009

Analysis of the Slant Shear Test

Journal of Adhesion Science and Technology , Volume 23 (2): 17 – Jan 1, 2009

Abstract

The slant shear test which subjects the interface of two bonded semi-prisms of concrete and repair system to a combined state of compression and shear is claimed to represent the stress state typical of real structures, but the test has some serious shortcomings. The effects of joint angle (angle of concrete/repair plane), adhesion, orientations of semi-prisms during manufacture, mechanical interlocking and friction along the concrete–repair interface are presented. Theoretical analysis of the factors involved in failure and a comparison of the outcome with the experimental results indicated the existence of a critical joint angle. Although the bond strengths of cementitious and polymer modified repair systems measured by this method did not agree with the respective values obtained using the friction-transfer method, but the trend of bond strengths of the resinous systems tested were similar. The coefficient of variation for the slant shear bond strengths was found to be about 23.5%.

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References (16)

Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
1568-5616
eISSN
0169-4243
DOI
10.1163/156856108X369589
Publisher site
See Article on Publisher Site

Abstract

The slant shear test which subjects the interface of two bonded semi-prisms of concrete and repair system to a combined state of compression and shear is claimed to represent the stress state typical of real structures, but the test has some serious shortcomings. The effects of joint angle (angle of concrete/repair plane), adhesion, orientations of semi-prisms during manufacture, mechanical interlocking and friction along the concrete–repair interface are presented. Theoretical analysis of the factors involved in failure and a comparison of the outcome with the experimental results indicated the existence of a critical joint angle. Although the bond strengths of cementitious and polymer modified repair systems measured by this method did not agree with the respective values obtained using the friction-transfer method, but the trend of bond strengths of the resinous systems tested were similar. The coefficient of variation for the slant shear bond strengths was found to be about 23.5%.

Journal

Journal of Adhesion Science and TechnologyTaylor & Francis

Published: Jan 1, 2009

Keywords: SLANT SHEAR TEST; BOND; CONCRETE–REPAIR MATERIALS; FRICTION-TRANSFER METHOD

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