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150MPa 초고강도 철근콘크리트 보의 휨거동에 관한 실험적 연구

Title
150MPa 초고강도 철근콘크리트 보의 휨거동에 관한 실험적 연구
Other Titles
Experimental Study on the Flexural Behavior of 150MPa Ultra High Strength R/C Beams
Author
신성우
Keywords
초고강도 콘크리트; 인장철근비; 휨거동; 연성; 휨강도; ultra-high-strength-concrete; tension steel ratio(ρb); flexural behavior; ductility; flexural strength
Issue Date
2009-10
Publisher
대한건축학회
Citation
대한건축학회 학술발표대회 논문집 - 구조계, v. 29, No. 1, Page. 251-254
Abstract
An evaluate on structural behavior of ultra high strength concrete(UHSC) is necessary and important, because that is different from normal strength concrete. And it is important to evaluate on serviceability of RC structure which is used ultra high strength concrete. The reinforced ultra-high-strength-concrete beam subjected to flexural moment behaves more brittleness than the moderate strength concrete beam reinforced with equal reinforcement ratio(ρ/ρb, ρb=balanced steel ratio). In this study, 10 singly reinforced rectangular beam specimens used 150 ㎫ concrete compressive strength were tested to evaluate on flexural behavior. Test results show that when the concrete compressive strength with 150㎫, the maximum reinforcement ratio should be less than 0.625ρb for ductile behavior. And the shape of the compressive stress block is expected to triangle.
URI
http://www.dbpia.co.kr/Article/NODE01312445http://repository.hanyang.ac.kr/handle/20.500.11754/104124
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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