Abstract
The main aim of the environmental protection agencies and the government are to seek ways and means to minimize the problems of disposal and health hazards of by products. It is considered as a waste material which could have a promising future in construction industry as substitute of either cement or coarse aggregates or fine aggregates. Copper slag is one of the replacement mechanisms of material in concrete. Use of copper slag as a replacement for fine aggregate in concrete cubes various strength measurements was experimentally investigated in this study. Mainly contents of that M35 conventional concrete and copper slag as a replacement of fine aggregate in 10%, 20%, 30%, 40%,50%, 60%, 80%, and 100% and also Portland Pozzolana Cement is noted. In this regard, laboratory study including water absorption test, bond strength, and percentage of voids, compressive strength & bulk density were conducted in ppc cement concrete which made by copper slag waste as a replacement of fine aggregate and PPC. A substitution up to 40-50% as a copper slag as a sand replacement yielded comparable strength to that of the conventional concrete. However, addition of more copper slag resulted in strength reduction due to the increase in the free water content in the mix, cured period in a curing tank for later resulting at 28 and 60 days.
Highlights
Natural resources are essential for the development of infrastructures in the construction industry
The cement used in this study was 53 grade ordinary Portland cement (OPC) IS: 81121989 & Portland pozzolana cement (PPC).The properties of cement used are given in Table 4. 1
The results of compressive, split tensile strength test have indicated that the strength of concrete increases with respect to the percentage of slag added by weight of fine aggregate up to 40% of additions and 15% of cement
Summary
Natural resources are essential for the development of infrastructures in the construction industry. Nowadays there is more demand for the construction materials like aggregates. The wastes from the industries are increasing day by day. In order to find better solution for this problem, we have to use the non-conventional, innovative materials and recycling of waste materials. The industrial wastes can be utilized and it reduces the consumption of natural resources. The increased industrial wastes cannot be controlled due to the increased growth of population. The disposal of the industrial wastes is a problematic one since the availability of land is very less. We need to use the industrial wastes in an effective manner. Silica fume, ground granulated blast furnace are used for the constructions
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