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Thermal and Structural Behavior of Precast Concrete Sandwich Panels
Precast concrete sandwich panel (PCSP) is a specific type of precast cladding that consists of an internal wythe of insulation sandwiched between two external wythes of concrete connected using a shear connector. PCSP walls and slabs are energy efficient which may serve the dual function of transferring load as well as insulation against heat. These panels are economical, attractive and energy-efficient that are provided in many structures including residential buildings, offices, schools, hospitals and industrial buildings. A Finite Element Model was developed to determine the thermal performance of PCSP under standard conditions. Thermal analysis of PCSP is conducted with different thicknesses of internal wythe. The thickness of insulation varied from 80 mm to 160 mm and fire performance has improved with increased thickness of internal wythe. The thermal performance of the panel was quantified by the thermal transmittance (U-value) for varying insulation materials. In this study, Expanded Polystyrene (EPS), Extruded Polystyrene (XPS), Phenolic Foam (PF), and Polyisocyanurate foam (PIR) were selected as alternative materials for insulation. By comparing the U values, PF has been found to have better thermal performance. The U-value of 0.053 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$W{m}^{-2}{K}^{-1} \mathrm{for}$$\end{document} PCSP with EPS insulation is about 75.9% less than PCSP with EPS insulation.
Thermal and Structural Behavior of Precast Concrete Sandwich Panels
Precast concrete sandwich panel (PCSP) is a specific type of precast cladding that consists of an internal wythe of insulation sandwiched between two external wythes of concrete connected using a shear connector. PCSP walls and slabs are energy efficient which may serve the dual function of transferring load as well as insulation against heat. These panels are economical, attractive and energy-efficient that are provided in many structures including residential buildings, offices, schools, hospitals and industrial buildings. A Finite Element Model was developed to determine the thermal performance of PCSP under standard conditions. Thermal analysis of PCSP is conducted with different thicknesses of internal wythe. The thickness of insulation varied from 80 mm to 160 mm and fire performance has improved with increased thickness of internal wythe. The thermal performance of the panel was quantified by the thermal transmittance (U-value) for varying insulation materials. In this study, Expanded Polystyrene (EPS), Extruded Polystyrene (XPS), Phenolic Foam (PF), and Polyisocyanurate foam (PIR) were selected as alternative materials for insulation. By comparing the U values, PF has been found to have better thermal performance. The U-value of 0.053 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$W{m}^{-2}{K}^{-1} \mathrm{for}$$\end{document} PCSP with EPS insulation is about 75.9% less than PCSP with EPS insulation.
Thermal and Structural Behavior of Precast Concrete Sandwich Panels
Lecture Notes in Civil Engineering
Marano, Giuseppe Carlo (editor) / Rahul, A. V. (editor) / Antony, Jiji (editor) / Unni Kartha, G. (editor) / Kavitha, P. E. (editor) / Preethi, M. (editor) / Jithin, P. U. (author) / Joseph, Asha (author)
International Conference on Structural Engineering and Construction Management ; 2022 ; Angamaly, India
2022-10-30
12 pages
Article/Chapter (Book)
Electronic Resource
English
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