Thermal properties and microstructural analysis of butyl rubber in lightweight concrete.

Concrete is a very important material in the construction industry to develop the modern world. Many researchers are focused on this field to find some alternative materials for the ingredients needed to make the concrete mix. From the alternative material, it helps to save the natural resource available on earth and to make concrete eco-friendly. In the medical field, Butyl rubber waste is generated in huge quantity every day and dumped on the soil. Butyl rubber as a waste material is utilized as a partial replacement for stone aggregate in the production of lightweight concrete. In this research work were investigate about the thermal effects of butyl rubber waste used in the production of lightweight concrete. The butyl rubber as a coarse aggregate in the concrete mixes was partially replaced in 5%, 10%, 15%, and 20% respectively. The most effective substitute of butyl rubber waste in light weight concrete were used to be 10%. The thermal properties are examined Specific heat, Thermal diffusivity, Thermal conductivity, Specific heat capacity, analysis shows the 10% replaced butyl rubber concrete is less thermal conductivity compared to with all other mixes. Microstructural analysis like Scanned electron microscopic image (SEM), X-ray diffraction image (XRD), and FTIR is examined to study the surface structure of the butyl rubber replaced lightweight concrete. The use of butyl rubber in concrete helps to reduce the environmental problem. [ABSTRACT FROM AUTHOR]