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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 213 - 221 (9page)
- DOI
- https://doi.org/10.5000/EESK.2021.25.5.213
이용수
초록· 키워드
오류제보하기
Many Korean domestic masonry structures constructed since 1970 have been found to be vulnerable to earthquakes because they lack efficient lateral force resistance. Many studies have shown that the brick and mortar suddenly experience brittle fracture and out-of-plane collapse when they reach the inelastic range. This study evaluated the seismic retrofitting of non-reinforced masonry with Hybrid Super Coating (HSC) and Cast, manufactured using glass fiber. Four types of specimen original specimen (BR-OR), one layered HSC (BR-HS-O), two-layered HSC (BR-HS-B), one layered HSC, and Cast (BR-CT-HS-O) were constructed and analyzed using compression, flexural tensile, diagonal compression, and triplet tests. The specimen responses were presented and discussed in load-displacement curves, maximum strength, and crack propagation. The compressive strength of the retrofit specimens slightly increased, while the flexural tensile strength of the retrofit specimens increased significantly. In addition, the HSC and Cast also produced a considerable increase in the ductile response of specimens before failure. Diagonal compression test results showed that HSC delayed brittle cracks between the mortar and bricks and resulted in larger displacement before failure than the original brick. The triplet test results confirmed that the bonding strength of the retrofit specimens also increased. The application of HSC and Cast was found to restrain the occurrence of brittle failure effectively and delayed the collapse of masonry wall structures.
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참고문헌 (25)
참고문헌 신청
Statistics KOREA Government Official Work Conference
Chang KK / 2011 / Present State and Necessity of Seismic Design for Low-rise Masonry Buildings in Korea / Journal of the Architectural Institute of Korea 55(5):45~50
Yu E / 2015 / Seismic Performance and Retrofit of Masonry-infilled Frames / Magazine of the Korea Concrete Institute 27(6):41~45
Pavan GS / 2016 / Behavior of brick–mortar interfaces in FRP-strengthened masonry assemblages under normal loading and shear loading / Journal of Materials in Civil Engineering 28(2):04015120
Messali F / 2017 / Experimental results on the retrofitting of hollow brick masonry walls with reinforced high performance mortar coatings / Construction and Building Materials 141:619~630
Chang KK / 2011 / Present State and Necessity of Seismic Design for Low-rise Masonry Buildings in Korea / Journal of the Architectural Institute of Korea 55(5):45~50
Yu E / 2015 / Seismic Performance and Retrofit of Masonry-infilled Frames / Magazine of the Korea Concrete Institute 27(6):41~45
Pavan GS / 2016 / Behavior of brick–mortar interfaces in FRP-strengthened masonry assemblages under normal loading and shear loading / Journal of Materials in Civil Engineering 28(2):04015120
Messali F / 2017 / Experimental results on the retrofitting of hollow brick masonry walls with reinforced high performance mortar coatings / Construction and Building Materials 141:619~630
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