http://www.iaeme.com/IJCIET/index.asp 543 editor@iaeme.com International Journal of Civil Engineering and Technology (IJCIET) Volume 8, Issue 4, April 2017, pp. 543–549 Article ID: IJCIET_08_04_061 Available online at http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=4 ISSN Print: 0976-6308 and ISSN Online: 0976-6316 © IAEME Publication Scopus Indexed STUDY ON USE OF CORAL SAND AS FINE AGGREGATES IN CONCRETE C. Pavithra Assistant Professor, Department of Civil Engineering, SRM University, Chennai, India D. Anil Ratthen Post Graduate, Department of Civil Engineering, SRM University, Chennai, India A. Arokiaprakash Assistant Professor, Department of Civil Engineering, SRM University, Chennai, India S. Karthiga Assistant Professor, Department of Civil Engineering, SRM University, Chennai, India ABSTRACT The crisis of naturally produced aggregates is one of the major problems faced by nations in recent years. This crisis has led to the production of concretes with aggregates from alternate sources. Aggregates from the marine origin can be an alternate source for concrete especially for structures along the coastline and maritime concrete structures. In this research, the mechanical and durability properties of concrete with coral sand as a fine aggregate in partial replacement of river sand (30%, 40% and 50% by sand mass) is studied. The physical, chemical and mineralogical properties of the collected samples were studied. The hardened concrete specimens were subjected to compression and tensile tests after 7, 14 and 28 days of curing. The durability of the concrete specimens to sulphate attack and acid attack were tested. The concrete specimens with conventional fine aggregates replaced with coral sand showed higher values of compressive and tensile strength when compared to that of conventional concrete. The durability of the concrete specimens to acid and sulphate attacks was found to be similar to that of conventional concrete. Key words: Coral sand, Compressive strength, Split Tensile strength. Cite this Article: C. Pavithra, D. Anil Ratthen, A. Arokiaprakash and S. Karthiga, Study on Use of Coral Sand as Fine Aggregates in Concrete. International Journal of Civil Engineering and Technology, 8(4), 2017, pp. 543–549. http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=8&IType=4