Performance of cast-in anchors in early age concrete with Supplementary Cementitious Materials (SCMs)

There are different design equations for predicting anchor capacity in tension for cone failure in mature concrete. The concrete cone method (CC-Method) is currently the most widely accepted method for determining the anchor capacities of cast-in and post installed anchors. The aim of this research investigation is to obtain an understanding of the behavior of cast-in headed anchors in early age concrete with different supplementary cementitious materials (SCMs). Anchors tensile capacities from experimental results were compared with the theoretical capacities using the existing design models. In general, there was no discernible effect of SCM on the tensile anchor capacity for the concrete compressive strength for both NSC and HSC. Finite element (FE) models were developed for both the wedge splitting test, and the cast-in headed anchor tests for all concrete ages and mix designs. The results from the FE analysis were compared with the experimental results.