The purposes of this study is to evaluate the adhesion in flexure and adhesion in tension between old-plain cement mortar and new-polymer cement mortar that has been widely used as finishing and repairing materials of RC structures. From the test results, the adhesion in flexure and adhesion in tension of polymer-modified mortar to plain cement mortar are much higher than that of plain cement mortar, and are increased with increasing polymer-cement ratio. The maximum strengths show at polymer cement mortar using EVA dispersion, and those are about 1.69 and 2.10 times respectively, plain cement mortar.

Abstract
 1. 서 론
 2. 실험계획 및 방법
 3. 실험결과 및 고찰
 4. 결 론
 참고문헌

• 조영국(청운대학교 건축공학과) | Jo Young Kug