Experimental study on the effect of fly ash with ammonium salt content on the properties of cemented paste backfill

Renlong Tang,Bingchao Zhao,Chao Li,Jie Xin,Baowa Xu,Chuang Tian,Jianbo Ning,Longqing Li,Xiaoping Shao

Construction and Building Materials（2023）

引用 13|浏览3

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摘要

•A novel approach (FA-based CPB) was proposed to disposal fly ash with ammonium.•The fresh FA-based CPB slurry was described by Herschel-Bulkley (H-B) model.•Micro-mechanisms of FA-based CPB were explored by MIP, XRD, and SEM.

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关键词

Fly ash containing ammonium,Cemented paste backfill,Rheological properties,Compressive strength,Microstructure

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