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Title Evaluation of Horizontal Shear Strength for Concrete Composite Members
Authors 서정일(Jung-Il Suh) ; 박홍근(Hong-Gun Park) ; 홍건호(Geon-Ho Hong) ; 강수민(Su-Min Kang) ; 김철구(Chul-Goo Kim)
DOI http://dx.doi.org/10.4334/JKCI.2016.28.4.407
Page pp.407-417
ISSN 1229-5515
Keywords horizontal shear strength ; precast concrete ; composite beam ; concrete composite ; code
Abstract In this study, concrete composite beams were tested under two-point loading to evaluate horizontal shear strength. The test variables were a type of composite members (PC+RC, PSC+RC, SFRC+RC), area ratio of high-strength (60MPa) to low-strength concrete (24 MPa), and transverse reinforcement ratio. The test results showed that the contribution of transverse reinforcements and interface conditions had influence on horizontal shear strength. Existing and previous test results were classified according to test methods and the interface conditions and were compared with the predictions of current design codes. On the basis of test results, an improved design method was proposed.