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The Effect of HDPE Plastic Fibres on Concrete Performance
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Researchers tested adding high-density polyethylene (HDPE) plastic waste fibers to concrete mixtures to improve hardness and strength. This upcycling approach could reduce plastic waste while potentially improving construction material performance.
HDPE (high-density polyethene) plastic waste is stronger, harder, and more resistant to high temperatures than other plastics. Using it as an additive in a concrete mixture is one solution to reduce this type of waste. We examined how HDPE-type plastics can be used as an additive material in the manufacture of concrete to improve its hardness, tensile strength and compressive strength. Using 156 samples, we aimed to identify the effect of HDPE plastic fibres on concrete of three qualities; B0, f'c10 MPa (low quality), and f'c25 MPa (medium and high quality). We added four compositions (2.5%, 5%, 10% and 20% by weight of cement) of HDPE plastic fibre to each quality of cement, with HDPE plastic fibre sizes of 1 x 1 cm, 0.5 x 2 cm or 0.25 x 4 cm. We found that the addition of 5% HDPE plastic fibre with a 0.5 x 2 cm cross-sectional shape to the f'c10 MPa concrete gives the best result, with increased tensile and compressive strength of the concrete.
More Papers Like This
Utilization of Plastic Waste in Concrete Pavement
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Researchers investigated the use of recycled high-density polyethylene (HDPE) plastic waste as an aggregate in concrete pavement mix designs, finding that incorporation of HDPE improved mechanical performance and durability while reducing landfill waste and energy consumption in the concrete sector.
Effect of Waste Plastic Fibres on the Mechanical Properties of Concrete
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Researchers evaluated concrete mixes incorporating waste plastic fibres at varying proportions, finding that the addition of recycled plastic fibres meaningfully improves tensile and flexural strength, crack resistance, and ductility compared to conventional concrete while maintaining acceptable compressive performance.
Experimental Investigation on Strength Characteristics of Concrete Cubes Using Waste Plastic
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Researchers investigated the use of municipal plastic waste — primarily polyethylene — as a partial substitute material in concrete production, examining how incorporation of waste plastic affects the compressive strength characteristics of concrete cubes.
An Experimental Study on Performance of HDPE Plastic in Concrete Boundary Wall
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Researchers found that mixing recycled plastic waste (HDPE, the type used in milk jugs and detergent bottles) into concrete for boundary walls can actually make it stronger, with the best results coming from adding about 5% plastic by weight. This matters because it offers a practical way to reuse plastic waste instead of sending it to landfills or letting it break down into microplastics that pollute soil and water—turning a pollution problem into a useful building material.
Experimental investigation on mechanical and durability properties of M30 concrete with HDPE plastic waste as partial coarse aggregate replacement
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Researchers tested concrete made by replacing part of the stone material (coarse aggregate) with shredded plastic waste from HDPE bottles and containers, at levels from 10% to 50%. Lab tests measured strength and durability, finding that replacing 10% of the aggregate with plastic waste worked best without weakening the concrete too much.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.