International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Evolution of Hollow Concrete Block by using Granite Fine

R. R. Padole, S. A. Nagtode, K. B. Kosamkar, C. T. Alone, Prof. Tushar W. Parate

Abstract :

Solid waste management including the granite fines has become one of the major environmental concerns in the world. With the increasing awareness about the environment, scarcity of land-fill space, and due to its ever-increasing cost, waste materials and by-product utilization like granite fines have become an alternative to disposal. In this work, we have highlighted some aspects concerning the use of granite fines in various proportions in the manufacture of hollow concrete blocks. In this high performance, Hollow blocks are manufactured of size 400mm x 200mm x 200mm utilizing granite fines as an additive. This granite fines waste can be utilized for the preparation of concrete as a partial replacement of coarse aggregate to improve the workability of concrete due to the exorbitant hike in the price of coarse aggregate and its limited availability. The percentages of granite fines added by weight to replace coarse aggregate weight were 0, 12.5, 25, 37.5, and 50. The compressive strength of blocks was tested for 7, 14, and 28 days. The test results indicate the replacement of coarse aggregate with granite fines has a beneficial effect on mechanical properties such as compressive strength. The hollow concrete blocks made with 1:2:4 mix proportion using 25% granite fines replacement with coarse aggregate gave optimum compressive strength of 7.85 N/mm2. Based on the results of this research work it can be concluded that High Strength and High-performance Hollow Concrete Blocks can be manufactured by using the Granite fines as an additive.

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