Utilization Of Fly Ash In High Strength Concrete As A Additional Material For Concrete Mixture

Ferdiansyah, M. Andi Rizqi (2022) Utilization Of Fly Ash In High Strength Concrete As A Additional Material For Concrete Mixture. Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.

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Abstract

High-strength concrete is concrete that has a compressive strength of more than 41.4 MPa. High strength concrete is often used for precast concrete, especially for the construction of buildings, bridges, and also roads with wide spans. One of the materials used in this research is the addition of fly ash for concrete mixtures. This research aims to analyze each proportion of fly ash used and also to determine the effect of using fly ash added on the slump, unit weight, water absorption, and compressive strength of concrete. Fly ash is the residue from burning coal produced from Steam Power Plants. The properties of fly ash are almost the same as the properties of cement, namely it has pozzolanic properties. not only that, but fly ash also contains calcium silica (CSH) where the reaction is obtained when mixed with concrete and can increase the strength of the concrete. Therefore, the reuse of fly ash waste is very beneficial and has a good impact on the surrounding environment the proportions of fly ash used were 0%, 5%, 10%, 12%, 15%, 20% using 0.32 phase and also 0.4% superplasticizer level used. The results obtained during the study with the highest value for the slump test were 21.5 cm, Unit weight of wet and dry were 2554.42 Kg/cm3 and 2535.54 Kg/cm3, water absoroption were 2.88%, and the compressive strength were 52.01 MPa. It can be concluded that the addition of fly ash has an effect on high strength concrete mixtures.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Compressive Strength, Fly Ash, High Strength Concrete
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Fakultas Teknik > Magister Teknik Sipil
Depositing User:	1431800022 Muhammad Andi Rizki Ferdiansyah
Date Deposited:	15 Jul 2022 07:26
Last Modified:	18 Jul 2022 02:13
URI:	http://repository.untag-sby.ac.id/id/eprint/16109

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