Abstract: Availability of natural sand has reduced dramatically due to over exploitation. Environmental concerns are being raised against extraction of natural sand. The arguments are mostly in regards to protecting riverbeds against erosion and the importance of having natural sand as a filter for ground water, so there is a need for alternative source for fine aggregates. This paper presents experimental investigation carried out to evaluate use of manufactured sand as a full replacement as fine aggregate. The cost of the cement in market is being increased drastically as the partial replacement of cement with GGBS is being carried out. Its known that the scarcity of water in the high-tech cities and construction is high boom so to enhance water scarcity the chemical admixtures are being added. Results of compressive and tensile strength and durability properties of concrete are been presented in this paper and optimum percentage of replacement has been suggested. Concrete traditionally consists of cement, fine aggregate, coarse aggregate and water. An attempt has been made to replace the fine aggregate with manufactured sand with an objective of utilizing the waste material. It is found that manufactured sand improves the mechanical properties of concrete when used along with super plasticizers.
Keywords: admixtures; manufactured sand; GGBS; concrete; compressive strength.
Title: Experimental Investigation on Strengths and Durable Properties of Concrete on Manufactured Sand and GGBS with Chemical Admixtures
Author: Lokesh Gowda, Dr. V. Ramesh, Srinivas Raju
International Journal of Civil and Structural Engineering Research
ISSN 2348-7607 (Online)
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