A three-parameter R-curve of concrete-like quasi-brittle materials

Construction and Building Materials（2015）

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摘要

•We propose a new R-curve of concrete where the initial cracking resistance is included.•The proposed R-curve is independent of specimen size.•We suggest a possible explanation for the new R-curve.

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关键词

Concrete,Fracture mechanics,R-curve,Energy release rate,Local fracture energy

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