Abstract

In 2004, a program was initiated to evaluate the bond between self-consolidating concrete (SCC) and prestressing steel in pretensioned concrete members. This paper focuses on the development of a simple test that precasters can use to verify the bond between their concretes (both SCC and conventional) and the pretensioned steel reinforcement. The aim of the simple test is to provide the precaster with a tool to evaluate prestressing steel bond at the plant without going through lengthy and costly research programs. This test will serve as a quality assurance test for precasters to verify the bond performance of their mixtures. It is envisioned that it will also assist producers in the evaluation of new admixtures, mixture proportions, and process changes.

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