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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.12 No.7
- 발행연도
- 2018.11
- 수록면
- 1,027 - 1,043 (17page)
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초록· 키워드
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Within the EC funded project smart elements for sustainable building envelopes, carbon textile reinforcement was incorporated into reactive powder concrete, namely textile reinforced reactive powder concrete (TRRPC), to additionally improve the post-cracking behaviour of the cementitious matrix. This high-performance composite material was included as outer and inner façade panels in prefabricated and non-load bearing sandwich elements along with low density foamed concrete (FC) and glass fibre reinforced polymer continuous connecting devices. Experiments and finite element analysis (FEA) were applied to characterize the structural performance of the developed sandwich elements. The mechanical behaviour of the individual materials, components and large-scale elements were quantified. Four-point bending tests were performed on large-scale TRRPC-FC sandwich element beams to quantify the flexural capacity, level of composite action, resulting deformation, crack propagation and failure mechanisms. Optical measurements based on digital image correlation were taken simultaneously to enable a detailed analysis of the underlying composite action. The structural behaviour of the developed elements was found to be highly dependent on the stiffness and strength of the connectors to ensure composite action between the two TRRPC panels. As for the FEA, the applied modelling approach was found to accurately describe the stiffness of the sandwich elements at lower load levels, while describing the stiffness in a conservative manner after the occurrence of connector failure mechanisms.
목차
Abstract
1 Background
2 Description of Façade Elements
3 Experimental Tests of Connectors
4 Experimental Tests of Elements
5 Modelling of Composite Action
6 Conclusions
References
참고문헌 (18)
참고문헌 신청
Colombo, I. G., Colombo, M., & di Prisco, M. (2015). Bending behaviour of textile reinforced concrete sandwich beams. Construction and Building Materials, 95, 675?685.
Dassault Systemes Abaqus/CAE User’s Guide. ABAQUS Version 6.14. 2014.
EN 206-1. (2013). Concrete?specification, performance, production and conformity. Brussels: European Standard.
Engberts, E. (2006). Large-size facade elements of textile reinforced concrete. In ICTRC’2006-1st international RILEM conference on textile reinforced concrete (pp. 309?18). RILEM Publications SARL. fib. fib Bulletin No. 74?Planning and design handbook on precast building structures. 1998. fib. fib Bulletin No. 40?FRP reinforcement in RC structures. 2007.
Flansbjer, M., Honfi, D., Vennetti, D., Mueller, U., Williams Portal, N., & Wlasak, L. (2016). Structural performance of GFRP connectors in composite sandwich facade elements. Journal of Facade Design and Engineering., 4, 35?52.
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UCI(KEPA) : I410-ECN-0101-2019-532-000216631