FIELD: road construction.
SUBSTANCE: invention relates to road construction and can be used for making curbstone. Curbstone contains a polymer composite material of particles of one size – 1.0 mm. At the same time contains per 100 wt.pts. secondary polyethylene terephthalate including following ratio of components, wt.pts.: coal ash – 5-10, river sand – 25-30, rubber crumb of rubber products processing – 15-20.
EFFECT: increasing the strength and performance characteristics of curbstones.
1 cl, 2 tbl
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