Quality of fly ash is varying widely in the field, it depends on the combustion process and the quality of the basic ingredients, namely coal. It will affect the physical and mechanical properties of the concrete mixtures used. This study used 12 samples of fly ash. The physical and chemical properties and finesse modulus were analyzed. The fly ash was mixed with OPC (Ordinary Portland Cement) with the proportion of 20% fly ash and 80% OPC. The specimens were form with mortar dimension of 5cm x 5 cm. The test was affected by the correlation of fly ash fineness modulus to compressive strength, correlation density of fly ash to compressive strength, and correlation of carbon content to the compressive strength.

Original languageEnglish
Article number012003
JournalIOP Conference Series: Materials Science and Engineering
Issue number1
Publication statusPublished - 23 Nov 2017
EventInternational Conference of Applied Science and Technology for Infrastructure Engineering 2017, ICASIE 2017 - Surabaya, East Java, Indonesia
Duration: 5 Aug 2017 → …


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