Abstract
The bond performance between ultra-high performance concrete with coarse aggregate (UHPC-CA) and HTRB600E high strength steel bar was studied. The pullout test studied the influence of anchorage length on bond strength, and the effect of protective layer thickness on anchorage length was explored based on test and theoretical analysis. The results show that the relationship between bond strength and anchorage length satisfies the inverse proportional function. The protective layer thickness and anchorage length of specimens meet the quantitative relationship of the inverse proportional function. According to the results, the commonly used calculation equation of anchorage length of steel bars in building structures is determined.
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