Field Applications of In-Situ Tensile Pull-Off Tests to. Prepared Burned Concrete Area Test# Tensile Strength.Shear bond testing of concrete repairs. Good adhesion of a repair material to concrete is of vital importance in the application and performance of concrete repairs. Bond characterization between concrete. Bond characterization between concrete base and repairing. Concrete, repair materials and. Tensile bond testing of concrete repairs. 1 Core pull-off test configuration. This paper reviews and compares techniques and results of bond strength test methods that induce shear, including a tensile slant- shear test. The effect of surface preparation (particularly as it affects roughness and soundness) and modulus mismatch between repair and substrate are illustrated by experimental and theoretical data. While these tests can provide individually useful information on bond strength and a limited picture of bond characteristics, they can, taken in isolation, result in a misunderstanding of the behaviour of bonded cementitious materials. A more complete appreciation can be obtained by consideration of a bond failure envelope that encompasses all possible normal/shear stress states. The work reported is concerned with developing an understanding of the behaviour of shallow concrete patch repairs and methods of assessing the bond between. Read 'State-of-the-art applications of the pull-off test in. Such an envelope is presented in the context of Mohr- Coulomb and Griffith's fracture criteria. ICE Virtual Library. ICE Virtual Libraryessential engineering knowledge.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
December 2016
Categories |