材料的静力韧性是应力—应变图的面积，表示材料断裂前吸收的功，它综合反映了材料的强度和延性性能。
Material 's static toughness is the area of the stress-stain chart, which means the work absorbed before its break. It integrative reflects the strength and the ductility of the material.
结果表明，颗粒破碎程度与对其输入的塑性功密切相关；颗粒破碎的发生使钙质砂剪胀性减小，体积收缩应变增大，峰值强度降低。
The results indicate that particle breakage depends on the sample′s plastic work received during testing, and reduces the volume expansion and peak strength of the sands.
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