FINE CONCRETE WITH THE INCLUSION OF CRUSHED POLYVINYLCHLORIDE

Abstract

It is noted that a particularly large amount of waste of polyvinyl chloride (in the form of scraps), requiring recycling, is formed by mass production and replacement of water pipes. An assessment of the capacity of use in the fine aggregate concrete waste polyvinyl chloride in the form of ground scraps of water pipes. The influence of polyvinyl chloride particle shape on the strength of fine-grained concrete is shown. The conducted researches confirm that introduction in structure of fine-grained concrete of the crushed scraps of polyvinyl chloride pipes leads to increase of its durability on a bend and compression, thus the rational quantity of the entered waste is 1-2 mas. %. It is shown that to increase the bending strength of fine - grained concrete, it is advisable to use the whole rings and half rings obtained by grinding the pipe scraps, and to compress them into quarters of rings. It is revealed that with the increase in the amount of polyvinyl chloride introduced (regardless of the shape of its particles), the density of fine-grained concrete decreases.