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1. Pore structure evaluation of cementing composites blended with coal by-products: Calcined coal gangue and coal fly ash

Author:
Tan, Hongbo,   et al.   ; Yang, Jin; Su, Ying; He, Xingyang; Jiang, Youzhi; Zeng, Linghao; Strnadel, Bohumír;     Show all 7 Authors
Source:
Fuel processing technology 2018 v.181 pp. 75-90
ISSN:
0378-3820
Subject:
byproducts; coal; coal fly ash; compression strength; gels; pastes; porosity; wastes
Abstract:
... Coal gangue (CG) and coal fly ash (FA) are the main coal by-product wastes. This paper focuses on the pore structure evaluation of CG and FA blended cementing composites with various replacement levels from 3 days up to 180 days. Results indicate that negative effect of coal by-products on the compressive strength and average pore size can be reduced to a negligible level at late ages. Similar ave ...
DOI:
10.1016/j.fuproc.2018.09.013