Enhancing Eco-friendly Building Practices: Wood Plastic Composite-Based Structural Insulated Panels for Reduced Emissions and Energy Efficiency

Funding Sponsor

American University in Cairo

Author's Department

Construction Engineering Department

Second Author's Department

Construction Engineering Department

Third Author's Department

Construction Engineering Department

Fourth Author's Department

Construction Engineering Department

Fifth Author's Department

Construction Engineering Department

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https://doi.org/10.1007/978-3-031-96767-2_32

All Authors

Mohamed Elnakeb Marina Moawad Mohamed Ashmawy Marwan Shawki Mohamed Atef Ehab Abdelhamid Mohamed Darwish May Haggag Donia Eldwib Khaled Nassar Maram Saudy Safwan Khedr Minas Guirguis Mohamed Naguib Abouzeid

Document Type

Research Article

Publication Title

Lecture Notes in Civil Engineering

Publication Date

1-1-2025

doi

10.1007/978-3-031-96767-2_32

Abstract

Globally, the construction industry contributes to 33% of carbon emissions and 40% of energy consumption; therefore, it is essential to find greener construction alternatives to reduce such emissions. Structural Insulated Panels (SIPs) proved to be a sustainable option in building construction due to their excellent thermal performance, leading to a major reduction in energy consumption. Subsequently, this study aims to develop sustainable (SIPs) using Wood Plastic Composites (WPC) and insulating foam, focusing on mechanical strength and thermal efficiency while leveraging recycled and waste materials. The SIPs investigated are an assembly of Wood Plastic Composites and insulating foam. Mechanical tests were conducted on the WPC including flexural strength, compressive strength, tensile strength, bending modulus, and water absorption. The results showed 37 MPa flexural strength, 28 MPa compressive strength, 12 MPa tensile strength parallel to extrusion, 7 MPa tensile strength perpendicular to extrusion, bending modulus of 4766 MPa, and water absorption of 1.30%. For the insulating materials, Extruded Polystyrene (XPS) was investigated in different densities to determine its thermal conductivity. For the SIPs assembly, two adhesives were utilized, which are Polyvinyl Acetate and Sodium Silicate. Both adhesives did not influence the compressive strength of the composite. Moreover, mechanical tests were conducted on the entire SIP including compressive strength, core shear strength, and the thermal conductivity of the SIP was compared to a traditional masonry cement wall. Furthermore, carbon emissions associated with SIP production were compared to conventional reinforced concrete (RC) to quantify the relative sustainability of the proposed panels.

First Page

395

Last Page

411

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