publication . Article . 2017

Processed bottom ash for replacing fine aggregate in making high-volume fly ash concrete

null Antoni; Aldi Vincent Sulistio; Samuel Wahjudi; Djwantoro Hardjito; Djwantoro Hardjito;
Open Access English
  • Published: 01 Jan 2017 Journal: MATEC Web of Conferences (issn: 2261-236X, Copyright policy)
  • Publisher: EDP Sciences
Abstract
Bottom ash is a coal plant by-product that is abundant and underutilized. There is the potential use of bottom ash as a fine aggregate replacement in concrete mixtures; however, the problems of water absorption and uniformity of quality of the material need to be overcome first. In this study, bottom ash was treated by sieve separation and pounding to smaller particle size for use as a sand substitute. The physical and chemical characteristics of bottom ash were tested after treatment including water absorption, sieve analysis, and fineness modulus. Highvolume fly ash (HVFA) mortar specimens were made and the compressive strength and flowability test using botto...
Subjects
free text keywords: Engineering (General). Civil engineering (General), TA1-2040, Fineness modulus, Cementitious, Compressive strength, Sieve analysis, Metallurgy, Bottom ash, Sieve, law.invention, law, Fly ash, Superplasticizer
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