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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Polymer Modified Concrete with Expanded Polystyrene Grains Reinforced with Polypropylene Fibers
Author(s): K. Jankovic and L. Loncar
Publication: Special Publication
Appears on pages(s): 483-490
Keywords: expanded polystyrene grains; lightweight concrete; poly-mer;
Abstract:Lightweight concrete with lower water absorption for thin structural elements was goal of investigation. Polypropylene fibers contributed to concrete ductility. For lower bulk density we used polystyrene grains. We used polymer modified concrete for realization of better adhezion between concrete and fiber. Polymer membranes cover the. micro - fissures wich may appear due to shrinkage, so polymer modified concrete has smaller water absorption. The influence of polypropylene fiber and cement quantity on properties concrete is investigated in this paper. Experimental work included several kinds of concrete, made with different cement contents, consistency, quantity of polypropylene fibers and with polymer latex, styrenebutadiene rubber modifier. River aggregate with grain size of up to 8 mm was used. The polymer portland cement concrete properties depend, not only on composition but also on the way of preparation, compacting and curing. Curing includes: 1 day in wet conditions, 6 days in the water followed by 21 days in the air. Compressive and splitting tensile strength and water absorption values are reported. It can be concluded that using of polypropylene fibers have better effect on splitting to compressive strength ratio for concrete with bulk density lower than 1800 kg/m3.
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