Particle size distribution of aggregate effects on the dynamic compressive behavior of cement waste rock backfill

Guangzhi Li,Xinshuai Shi,Jianguo Ning,Weiqiang Chen,Zhaohui Zhang,Jun Wang,Shang Yang,Yuan Gao

Engineering Fracture Mechanics（2023）

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摘要

•Aggregates with different PSDs respond differently to CWRB under dynamic impact.•CWRB selectively maintains partial compressive strength after being impacted.•A compressive model is established for CWRB under dynamic impact.•Porosity significantly affects the compressive behavior of CWRB at a high ISR.

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关键词

cement,dynamic compressive behavior,waste

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