Utilization of coal gangue powder to improve the sustainability of ultra-high performance concrete
Construction and Building Materials(2023)
摘要
•Calcined CG exhibits the higher chemical activity.•Adding CG powder decreases the packing density and workability.•The slight gap in compressive strength is obtained between UHPC using CG and C-CG.•CG powder could be employed directly in UHPC without a calcination process.
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关键词
coal gangue powder,concrete,ultra-high
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