Development of lightweight composites based on foam glass aggregate

Building composites based on various types of lightweight aggregate have been widely used in the last decades for production of precast elements (e.g. panels) or whole structures with a good thermal insulation/mechanical properties ratio. The presented research investigated the feasibility of using...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-07, Vol.583 (1), p.12016
Main Authors: Zach, J, Sedlmajer, M., Bubenik, J, Drdlova, M
Format: Article
Language:English
Subjects:
Bulk density
Cellulose fibers
Composite materials
Compressive strength
Construction industry
Heat conductivity
Heat transfer
Lightweight
Mechanical properties
Mineral wool
Thermal conductivity
Thermal insulation
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Summary:Building composites based on various types of lightweight aggregate have been widely used in the last decades for production of precast elements (e.g. panels) or whole structures with a good thermal insulation/mechanical properties ratio. The presented research investigated the feasibility of using foam glass aggregate, prepared from waste glass powder, in lightweight insulating composites for building industry. The effect of various binders (both organic and inorganic), binder/filler ratios and 3 types of fibres addition (PET, cellulose and mineral wool waste) on the physico-mechanical properties (bulk density, compressive strength) and thermal conductivity of the composite was evaluated. The results indicate, that applicable composites with sufficient mechanical parameters and low thermal conductivity (coefficient of thermal conductivity about 0,09 W/(m·K) can be prepared using both types of binders.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/583/1/012016