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논문검색

접착 방식 그리드 타입 CFRP로 인장보강된 직물복합구조 인장실험체의 모르타르 압축강도에 따른 인장거동 평가

원문정보

Tensile behavior of textile reinforced concrete (TRC) specimens using grid-type carbon fiber reinforced polymer (CFRP) reinforcement manufacturing by adhesion

김경민, 박성우

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초록

영어

This paper aims to experimentally evaluate the effect of the compressive strength of mortar on the tensile behavior of textile reinforced concrete (TRC) specimens applied the developed grid-type carbon fiber reinforced polymer (CFRP) reinforcement (hereafter referred to as carbon grid), K-Carbon as reinforcement. The experimental results showed that the higher compressive strength of mortar could be effective for the tensile behavior of a TRC specimen reinforced with carbon grid in terms of crack formation and strength. The tensile performance of carbon grid was also revealed to be increased with increasing compressive strength of mortar, but the tensile strength of all carbon grids placed on the specimens was less than 0.5 times the tensile strength of the carbon grids because of the local stress concentration acting on the carbon grids and the silp with mortar. On the other hand, the tensile stress-strain relationship of TRC specimens was idealized as a simple bilinear curve with a bend-over point corresponding to the initial cracking point, and the idealized bilinear curve was revealed to generally illustrate the tensile stress-strain relationship of TRC specimens.

목차

Abstract
1. 서론
2. 실험 개요
2.1 인장실험체 형상 및 제조 방법
2.2 재료 특성
2.3 가력 및 계측 방법
3. 실험 결과 및 고찰
3.1 손상 및 파괴 형상
3.2 균열 발생 현황
3.3 인장 응력-변형률 관계
3.4 탄소그리드 인장 유효계수
4. 결론
REFERENCES

저자정보

  • 김경민 Kim, Kyung-Min. 한국건설생활환경시험연구원 책임연구원
  • 박성우 Park, Sung-Woo. 한국건설생활환경시험연구원 연구원

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