Abstract

The use of cement clinker in concrete results in the production of greenhouse gases. Rubber powder and polypropylene fiber were chosen in this study to replace part of the cement in the creation of a unique type of low-clinker, high-performance concrete in order to reduce the amount of cement clinker used in concrete and therefore its impact on the environment. The volumetric stability of concrete was studied using flat plate and circular trials under the impact of various conditions. The study's findings revealed that the addition of rubber powder and fibers could successfully prevent the creation of fractures in concrete. The optimum crack development prevention is achieved when the water-cement ratio is 0.25 and the sand rate is 36%, however the amount of cement has a negative influence on the concrete's early fracture resistance.

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