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Re-loading strength response and fracture behavior of dynamically damaged cement-based paste fills considering impact energy and frequency effects
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DOI:10.1016/j.dibe.2026.100996.png)
Abstract
En 中文
• A drop-weight impact framework was developed to simulate blasting-induced damage in CPB. • Damage increases quadratically with loading conditions, reducing strength and stiffness. • Dynamic disturbances alter stress–strain behavior and promote crack propagation. • An AE ib-value–based method provides early warning of instability.
Keywords:
Cemented paste backfill
blasting disturbance
dynamic impact
re-loading strength
fracture
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