Correlation of Post-installed by Adhesive Pullout Test to Estimate In-place Concrete Strength

Document Type : Original Article

Authors

Shandong Province Academy of Buildings, Jinan, Shandong province, China.

Abstract

Abstract:
Post-installed by adhesive-bonded anchorage pullout method is proposed in this paper to estimate the in-place compressive strength of concrete. In this method, the threaded metal probe is anchored into the concrete by means of a high strength epoxy resin adhesive. To get the best calibration graph, the linear regression models, nonlinear regression models, interpolation, or splines are employed. Experimental and analytical studies conducted on the base of concrete specimens with varying concrete mixes in the 15~80 N/mm2 strength range. The experimental and analytical results shows that the newly proposed method is an efficient and accurate in estimating the in-place concrete compressive strength.

Keywords