Improvement of Conctere Quality with Addition of Sunua Pasir Padang Pariaman West Sumatera

Rani, Iskandar .G and Salmita, Widya (2017) Improvement of Conctere Quality with Addition of Sunua Pasir Padang Pariaman West Sumatera. In: 4th International Conference on Technical and Vocation Education and Training (TVET): Technical and Vocational Education and Training for Sustainable Societies, 9-11 November 2017, Padang.

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Abstract

West Sumatra as a common area shaken earthquake, the construction of buildings both as shelters, shophouses, and other social buildings need to be built with earthquake safe concrete construction. Concrete construction is the best choice, because the material constituent relatively large, and the price is relatively cheap in West Sumatra. This study aims to increase the compressive strength of concrete with low cost. The experimental approach was chosen by experiment method that is the addition of Sunua sand material to the concrete mixture ranging from 5%, 10%, 15%, 20%, 25% and 0% for the control concrete. From the result of concrete compressive test after 28 days old with addition of Sunua sand at 5% percent = 44,20 MPa, for 10% = 48,29 MPa, for 15% = 49,62 MPa, for 20% = 44.00, for 25 % = 401,37 MPa, and the control concrete is 417,46 MPa. So the highest concrete strength is obtained at 15% percentage with power 49.62MPa.

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