Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 107, Issue -, Pages 307-320Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.01.020
Keywords
Precast foamed concrete sandwich panel (PFCSP); Foamed concrete (FC); Finite element model (FEM) analysis; Slenderness ratio; Ultimate strength capacity; Structural reinforced sandwich wall
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Funding
- Housing Research Center (HRC)
- Universiti Putra Malaysia (UPM)
- NAIM SDN BHD
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This paper presents results from an experimental and analytical study of precast foamed concrete sandwich panels (PFCSPs). Full-scale experimental tests of six PFCSPs were conducted to study the behavior of the panels under axial loads. Foamed concrete (FC) was used to cast PFCSP concrete wythes. The axial load-bearing capacity, load-deflection profiles, load-strain relationships, slenderness ratio, load-displacement, load-deformation, failure and collapse modes, cracking patterns, and propagations under constant increments of axial loads were recorded and discussed. The properties and use of FC were briefly reviewed. Results of the experimental test and finite element analysis were compared with the theoretical values calculated based on the American Concrete Institute (ACI) design equation for a solid concrete wall and other empirical formulas developed by antecedent researchers which might be applicable to predict the ultimate load-bearing capacity of sandwich panels. A semi-empirical formula was proposed based on the laboratory test and finite element analysis results. (c) 2016 Elsevier Ltd. All rights reserved.
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