Physical and Mechanical Properties of Polypropylene Fibre-Reinforced Cement-Glass Composite

In accordance with the principles of sustainable development, environmentally friendly, low-emission, and energy-intensive materials and technologies, as well as waste management, should be used. Concrete production is responsible for significant energy consumption and CO production; therefore, it i...

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Bibliographic Details
Published in:Materials 2021-01, Vol.14 (3), p.637
Main Authors: Małek, Marcin, Łasica, Waldemar, Kadela, Marta, Kluczyński, Janusz, Dudek, Daniel
Format: Article
Language:English
Subjects:
Cement
Cement reinforcements
Concrete mixing
Consumption
Energy consumption
Fiber composites
Fiber reinforced cements
Fiber reinforced polymers
Fibers
Flexural strength
High density polyethylenes
Mechanical properties
Particle size
Physical properties
Polyethylene terephthalate
Polymers
Polypropylene
Recycled materials
Recycling
Reinforced cements
Scanning electron microscopy
Sustainable development
Tensile strength
Waste management
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Summary:In accordance with the principles of sustainable development, environmentally friendly, low-emission, and energy-intensive materials and technologies, as well as waste management, should be used. Concrete production is responsible for significant energy consumption and CO production; therefore, it is necessary to look for new solutions in which components are replaced by other materials, preferably recycled. A positive way is to use glass waste. In order to determine the effect of a significant glass cullet content on the properties of concrete, glass powder was used as a filler and 100% glass aggregate. The cement-glass composite has low tensile strength and brittle failure. In order to improve tensile strength, the effects of adding polypropylene fibres on the mechanical properties of the composite were investigated. With the addition of 300, 600, 900, 1200, and 1500 g/m of fibres, which corresponds to 0.0625%, 0.1250%, 0.1875%, 0.2500%, and 0.3125% of cement mass, respectively, flexural strength increased compared with the base sample by 4.1%, 8.2%, 14.3%, 20.4%, and 26.5%, respectively, while the increase in splitting strength was 35%, 45%, 115%, 135%, and 185%, respectively. Moreover, with the addition of fibres, a decrease in slump by 25.9%, 39.7%, 48.3%, 56.9%, and 65.5%, respectively, compared with the reference specimen was determined.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma14030637