The Impact of Varying Ratios of Water-to-Cement Content on the Fresh and Strength Properties of Self-Compacting Concrete

Al Biajawi, Mohammad I. and Rahimah, Embong (2023) The Impact of Varying Ratios of Water-to-Cement Content on the Fresh and Strength Properties of Self-Compacting Concrete. In: World Sustainable Construction Conference Series 2022 (WSCC 2022) , 14 - 15 October 2022 , Kuala Lumpur, Malaysia. pp. 69-80. (4). ISSN 2674-1237

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Abstract

The performance requirements for structural components are becoming more sophisticated and varied in recent years. Self-compacting concrete (SCC) is a highly flowable mixture that can placed without vibrations in structural elements with congested reinforcing. The development of SCC must achieve an appropriate balance between deformability and stability. Additionally, stability is influenced by the material properties and mix proportions, necessitating the development of a technique for SCC mixture design. However, techniques for mix design and testing are continually evolving. Mix design criteria primarily concern the type and quantity of constituents in the SSC mixture. The dose adjustment of the water to cement ratio is a critical property in proportioning SCC mixes. This research aims to examine the influence of different water to cement ratios (0.32, 0.34, and 0.36) with other consistent ratios using locally available ingredients in the SCC mixture. Also, in this study several fresh properties of SCC was examined in according with the European Federation of National Associations Representing for Concrete (EFNARC). Moreover, this study presents the findings and discussion of an experiment conducted to test the influence of water to cement ratios on fresh, and mechanical properties of SCC at 7, 14, 28 days of curing. The findings of the tests for fresh SCC properties in range of the standard limit. The strength properties were improved in the lower water to cement ratio. The increased in the water to cement ratio shows decreased in the strength properties. In addition, the ratio of water to cement affects the properties of the hardened material, while a higher water-to-cement percentage leads to an increase in flow, which may be attributed to the use of superplasticizer.

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	Self-Compacting Concrete, Mix Design, Fresh properties, Mechanical properties, Water to Cement Ratio
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division:	Faculty of Engineering Technology
Depositing User:	Miss Amelia Binti Hasan
Date Deposited:	15 Sep 2023 00:34
Last Modified:	15 Sep 2023 00:34
URI:	http://umpir.ump.edu.my/id/eprint/38645
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