Performance investigation of blast furnace slag based cemented paste backfill under low temperature and low atmospheric pressure

Bingwen Wang,Qianlong Li,Pingbo Dong,Su Gan,Lei Yang,Ruizhong Wang

Construction and Building Materials（2023）

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摘要

•Reusing industrial byproducts prepares the new cementitious material for CPB.•UCS and microstructure of CPB are studied under low temperature-atmospheric pressure.•CPB under 5 ℃ with 50, 75 kPa exhibits lower UCS than those under 20 ℃ with 101 kPa.•Looser microstructure with large porosity forms inside CPB under 5 ℃ with 50 kPa.

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关键词

Cemented paste backfill,Low temperature,Low atmospheric pressure,Industrial byproducts,Unconfined compressive strength,Microstructural analyses

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