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표면처리방법에 따른 초고성능 콘크리트의 전단부착성능 평가 연구

Title
표면처리방법에 따른 초고성능 콘크리트의 전단부착성능 평가 연구
Other Titles
An Assessment of Bonding Shear Performance of Ultra-high-performance Concrete Regarding Interface Treatment
Author
이한승
Keywords
초고성능 콘크리트; 직접전단시험; 전단부착강도; ultra-high-performance concrete; push off test; bonding shear strength
Issue Date
2016-10
Publisher
한국건축시공학회
Citation
한국건축시공학회 학술발표대회 논문집, v. 16, No. 2, Page. 81-82
Abstract
The present study aims to derive optimal interface treatment conditions for emulating a monolithic construction. The joints in this construction are formed through the bonding shear evaluation method during the placement of ultra-high-performance concrete (UHPC) and normal strength concrete (NSC). The evaluation items include push-off tests for homogeneous UHPC + UHPC and heterogeneous NSC + UHPC. The experimental samples comprised a monolithic placement as the baseline, two levels for the separated placement according to the compression strength of concrete, and five levels for the interface treatment. The increase in the number of grooves and their cross-sectional areas only slightly influenced the bonding shear performance. The optimal interface treatment method for the homogeneous UHPC + UHPC construction grooves was at least 30mm. The heterogeneous NSC + UHPC construction should utilize waterjet roughening to expose the aggregate for the increased roughness.
URI
http://kiss.kstudy.com/thesis/thesis-view.asp?key=3504981http://repository.hanyang.ac.kr/handle/20.500.11754/102810
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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