Effects of the variety and content of coal gangue coarse aggregate on the mechanical properties of concrete
Construction and Building Materials(2019)
Abstract
•The macro and micro characteristics of coal gangue and natural gravel are analyzed.•The failure modes of concrete with different coal gangue aggregates are revealed.•The relationship between microstructure and macrobehavior of concrete is described.•The stress-strain curve model of concrete with different aggregates is established.
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Key words
Coal gangue,Spontaneous combustion gangue,Rock gangue,Strength characteristics,Stress-strain curve,Microstructure
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