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Materials 2015, 8(3), 1264-1282; doi:10.3390/ma8031264

Composite Behavior of Insulated Concrete Sandwich Wall Panels Subjected to Wind Pressure and Suction

1
Department of Architectural Engineering, Yonsei University, 50 Yonseiro, Seodaemun-gu, Seoul 120-749, Korea
2
Building Research Department, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-ro, Gogang-si, Gyeonggi-do 411-712, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Geminiano Mancusi
Received: 27 January 2015 / Revised: 9 March 2015 / Accepted: 16 March 2015 / Published: 19 March 2015
(This article belongs to the Section Advanced Composites)
View Full-Text   |   Download PDF [1336 KB, uploaded 19 March 2015]   |  

Abstract

A full-scale experimental test was conducted to analyze the composite behavior of insulated concrete sandwich wall panels (ICSWPs) subjected to wind pressure and suction. The experimental program was composed of three groups of ICSWP specimens, each with a different type of insulation and number of glass-fiber-reinforced polymer (GFRP) shear grids. The degree of composite action of each specimen was analyzed according to the load direction, type of the insulation, and number of GFRP shear grids by comparing the theoretical and experimental values. The failure modes of the ICSWPs were compared to investigate the effect of bonds according to the load direction and type of insulation. Bonds based on insulation absorptiveness were effective to result in the composite behavior of ICSWP under positive loading tests only, while bonds based on insulation surface roughness were effective under both positive and negative loading tests. Therefore, the composite behavior based on surface roughness can be applied to the calculation of the design strength of ICSWPs with continuous GFRP shear connectors. View Full-Text
Keywords: composite behavior; wind pressure; wind suction; GFRP continuous shear connector; flexural strength; bond strength; insulated concrete sandwich wall panels composite behavior; wind pressure; wind suction; GFRP continuous shear connector; flexural strength; bond strength; insulated concrete sandwich wall panels
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Choi, I.; Kim, J.; Kim, H.-R. Composite Behavior of Insulated Concrete Sandwich Wall Panels Subjected to Wind Pressure and Suction. Materials 2015, 8, 1264-1282.

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