Title:
Experimental Study on Properties of Mortar Containing Molten Slag as Fine Aggregate
Author(s):
Yuto Yamanaka, Hiromi Fujiwara, Masanori Maruoka, and Ryosuke Otsuka
Publication:
Symposium Paper
Volume:
326
Issue:
Appears on pages(s):
49.1-49.10
Keywords:
compressive strength, drying shrinkage, fine aggregate, fresh properties, integrated gasification combined cycle, molten slag
DOI:
10.14359/51711032
Date:
8/10/2018
Abstract:
The properties of mortar prepared using the molten slag from coal gasification as fine aggregate were studied, with the aim of effectively using coal gasification molten slag, a new waste product, in order to resolve the urgent need to find a source of aggregate for concrete in Japan, and also to promote the use of the Integrated Gasification Combined Cycle (IGCC) to enable high-efficiency power generation. The study found that this aggregate offered improved mortar properties such as fluidity, slightly lower compressive strength and bending strength, and a reduced drying shrinkage as compared to mortar prepared using natural aggregate, indicating the possibility that molten slag from coal gasification can be used as fine aggregate.