탄소섬유시트에 의한 슬래브 보강에 관한 실험적 연구 = An Experimental Study on the Strengthening of Slabs with Carbon Fiber Sheet

다국어 초록 (Multilingual Abstract)

Recently, Carbon Fiber Sheets(CFS) have been used for strengthening the deteriorated RC beams and slabs because of its resistant capacity of corrosion and easy repairing works. In this study, the static tests are performed on RC slabs strengthened with CFS. Test results show that ultimate strength of specimens strengthened with CFS is Increased as 6∼37% comparing to the control specimen. Test parameters are the shape of strengthening, the number of sheet layer and the dry condition of concrete. Deflection, failure load, strains of reinforcing bar, concrete and carbon fiber sheet are measured from tests(one points loading). The failure mode and the most suitable spacing and width of CFS are discussed from these measured data. Each of one-on-one strengthening of a pure interval and width of Carbon Fiber Sheet(CFS) 25 centimeters specimen has the advantage of the ultimate load. Because strengthening method of regular intervals than method of the whole check un aspect of crack progres. It has the advantage of an aspect of maintenance management and it has load-resisting similar to method of the whole surface strengthening as a layer is large in number. Because moisture contents of concrete have an effect on strengthening capacity, when CFS was bonded, the primer affirmed for moisture will be developed.

목차 (Table of Contents)

• Ⅰ.서론
• 1.1 연구배경 및 목적
• 1.2 연구의 내용 및 방법
• Ⅱ.탄소섬유시트 보강공법
• 2.1 탄소섬유시트
• 2.2 탄소섬유시트 보강절차
• Ⅲ.시험체제작 및 재하실험
• 3.1 재료의 물성
• 3.2 시험체제작 및 재하
• Ⅳ.시험결과의 비교분석
• 4.1 균열 및 파괴양상
• 4.2 하중-처짐 관계
• 4.3 S1 시리즈 변형률 분포
• Ⅴ.결론