What is it about?
To effectively utilize coal gangue and reduce the damage to the natural environment, the feasibility of using coal gangue in road base was researched.
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Why is it important?
It is feasible to use the cement stabilized macadam-gangue mixtures for road base. More importantly, it performed well in practicability as well as economy and can be widely applied.
Perspectives
This paper just proposed a mixture ratio design for reference. However, when other mixture ratio design proposals are to be conducted, here are some suggestions: 1) According to several researches, most coal gangue from different places of production has larger crushing values. Therefore, it should be coarse aggregate not coal gangue to act as skeleton because of the larger crushing value of coal gangue. 2) Coal gangue is supposed to be fine aggregates to fill in the void between coarse aggregates.
Yuxin Guo
Read the Original
This page is a summary of: Experimental study on cement stabilized macadam-gangue mixture in road base, International Journal of Coal Preparation and Utilization, June 2019, Taylor & Francis,
DOI: 10.1080/19392699.2019.1633311.
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