ASSESSING THE TRUE BOND STRENGTHS OF DIFFERENT CONCRETE REPAIR SYSTEMS, USING FRICTION-TRANSFER METHOD

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NADERI MAHMOUD

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Journal Paper

Paper Information

Journal: JOURNAL OF SCHOOL OF ENGINEERING Year:2007 | Volume:19 | Issue:1 (CIVIL ENGINEERING ISSUE) Page(s): 153-169

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Title

ASSESSING THE TRUE BOND STRENGTHS OF DIFFERENT CONCRETE REPAIR SYSTEMS, USING FRICTION-TRANSFER METHOD

Author(s)

NADERI MAHMOUD | Issue Writer Certificate

Keywords

CONCRETE STRENGTHQ3

ADHESIONQ3

REPAIR MATERIALSQ3

FRICTION-TRANSFERQ3

BONDING AGENTSQ3

RESINSQ3

Abstract

One of the most important factors in satisfactory composite action of a repair system, is its ADHESION to the substrate concrete. Although some methods such as pull-off have been studied and used for the assessment of the bond strengths of the repair systems, but the values obtained are influenced by the method of loading, substrate concrete texture, failure planes, etc. This paper presents the results of the application of FRICTION-TRANSFER method for assessing the bond strengths of different cementitious, polymer added and resinous REPAIR MATERIALS. Substrate concrete used in this research included both saw cut and split/sand blasted surfaces. Since the surface strength of the saw cut concrete is much higher than the split surfaces, the sawn surface was considered for a better assessment of the true bond strength. Based on the optimization method analysis of the results, it is recommended that, when mixed failures are involved, 10 percent should be added to the bond strengths measured on rough surfaces. Application of the multiple regression analysis, also suggests the use of an equation for a better assessment of the bond strengths. In this equation, in addition to the failure stress, the percentages of repair, bond and concrete failures have been accounted for.

Cites

ASSESSING THE ADHESION OF SELF-COMPACTING CONCRETE AND MORTAR APPLIED TO DIFFERENT CONCRETE SURFACES, USING TWIST-OFF AND FRICTION-TRANSFER METHODS, AND ITS ESTIMATION BY FUZZY LOGIC

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APA: Copy

NADERI, MAHMOUD. (2007). ASSESSING THE TRUE BOND STRENGTHS OF DIFFERENT CONCRETE REPAIR SYSTEMS, USING FRICTION-TRANSFER METHOD. JOURNAL OF SCHOOL OF ENGINEERING, 19(1 (CIVIL ENGINEERING ISSUE)), 153-169. SID. https://sid.ir/paper/22610/en

Vancouver: Copy

NADERI MAHMOUD. ASSESSING THE TRUE BOND STRENGTHS OF DIFFERENT CONCRETE REPAIR SYSTEMS, USING FRICTION-TRANSFER METHOD. JOURNAL OF SCHOOL OF ENGINEERING[Internet]. 2007;19(1 (CIVIL ENGINEERING ISSUE)):153-169. Available from: https://sid.ir/paper/22610/en

IEEE: Copy

MAHMOUD NADERI, “ASSESSING THE TRUE BOND STRENGTHS OF DIFFERENT CONCRETE REPAIR SYSTEMS, USING FRICTION-TRANSFER METHOD,” JOURNAL OF SCHOOL OF ENGINEERING, vol. 19, no. 1 (CIVIL ENGINEERING ISSUE), pp. 153–169, 2007, [Online]. Available: https://sid.ir/paper/22610/en

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