Abstract
Ponašanje pri zamoru uslijed savijanja i mehanička svojstva betona s dodatkom gumenog granulata
Highlights
The compressive strength of C35/45 mix was measured with different percentage of replacement of fine aggregate by waste tire crumb rubber, and the test results were compared with control concrete
The following conclusions are drawn: -- The compressive strength and splitting tensile strength decreased with an increase in rubber content
The main reason for the strength reduction was the entrapped air, the quantity of which increased with an increase in the percentage of rubber content, affecting adhesion between rubber particles and other concrete materials. -- An improvement in flexural strength was observed with an increase in rubber content up to 10 %
Summary
Waste disposal is becoming a serious problem in many industries. It assumes greater significance in a country like India with the population count of more than one billion. Waste materials can be disposed of in two ways: firstly by burning the tires and, secondly, by placing them in landfills due to their low density and poor degradation properties. To prevent the environmental problem, new techniques are needed to dispose of waste tires without affecting the environment. Reuse of these waste tires by incorporating them into concrete mixes avoids the environmental issue associated with the disposal of waste tires. Fatigue failure occurs when the strength of a concrete structure is exceeded by the design load after exposure to many stress cycles. The fatigue strength of concrete is influenced by the range of cyclic loading. The rubberized concrete could be used in nonstructural applications such as traffic noise barriers on highways, sidewalks, sports courts, and may represent a viable material for other nonstructural applications. [13]
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