Effect of Silica Fume in Properties of Polymer Cement Mortar for Concrete Repair

실리카 퓸이 보수용 폴리머 시멘트 모르타르의 성질에 미치는 영향

The EVA polymer is used as a modifier in the repair mortar, which contains various admixtures and mineral admixtures. It has been reported that the effect of polymer in cement mortar by the cement-polymer ratio only, but effect of admixtures over the polymer mortar was unknown. In this study, the fresh and mechanical properties of polymer cement mortar influenced by the range of silica fume ratio were investigated. It was found that with increasing the ratio of silica fume, mechanical properties(compressive strength, flexural strength, adhesive strength) of repair mortar is improved and drying shrinkage is increased.