Preprint Review Version 1 This version is not peer-reviewed

Advances in Precast Concrete Sandwich Panels toward Energy Efficient Structural Buildings

Version 1 : Received: 7 October 2018 / Approved: 8 October 2018 / Online: 8 October 2018 (12:50:05 CEST)

How to cite: Mohammed Bida, S.; Nora Aznieta Abdul Aziz, F.; Saleh Jaafar, M.; Hejazi, F.; Nabilah, A.B. Advances in Precast Concrete Sandwich Panels toward Energy Efficient Structural Buildings. Preprints 2018, 2018100147 (doi: 10.20944/preprints201810.0147.v1). Mohammed Bida, S.; Nora Aznieta Abdul Aziz, F.; Saleh Jaafar, M.; Hejazi, F.; Nabilah, A.B. Advances in Precast Concrete Sandwich Panels toward Energy Efficient Structural Buildings. Preprints 2018, 2018100147 (doi: 10.20944/preprints201810.0147.v1).

Abstract

Precast concrete sandwich panels (PCSP) are energy efficient building system that is achieved through an insulation layer created between the concrete wythes. The insulation layer is usually of low bearing strength material making it more applicable for non-structural building systems. Hence, shear connectors are introduced to improve its structural capacity, which subsequently degrades it thermal performance by serving as thermal bridges across the panel. This article review researches of alternative materials and methods used to improve the thermal efficiency as well as reduced the strength loss due to insulation in PCSP. The alternative materials are basalt fibre reinforced polymer (BFRP), carbon fibre reinforced polymer (CFRP), glass fibre reinforced polymer (GFRP), and foam concrete which are selected due to their low thermal conductivity for use in shear connection. While thermal path method has been used to prevent the effect of thermal bridges. Although, some of these materials have successfully achieved the desirable behaviours, however, several undesirable properties such as brittleness, bond slip, the sudden crushing of the panel system, and FRP failure below its ultimate strength were observed. Hence, the practicality of the alternative materials is still questionable despite its higher cost compared to the conventional steel and concrete used in the PCSP system.

Subject Areas

alternative materials, fibre reinforced polymer, insulation, precast concrete sandwich panel, shear connection, thermal efficiency

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our diversity statement.

Leave a public comment
Send a private comment to the author(s)
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.