研究结论表明采用综合抗裂指数评价水泥碎石基层的抗裂性能是一种很关键的指标。
The research results indicate that anti-crack evaluation index of the cement treated base is an effective index.
水工混凝土材料抗裂性(抗裂指数)与水工混凝土结构抗裂性(抗裂安全系数)是两个不同的概念，不能混淆。
The crack-resistance of hydraulic concrete material (crack-resistance index) and hydraulic concrete structure (safety factor of crack-resistance) are two different concepts, which can not be obscured.
结果表明，二次纤维抄造过程添加水溶性维纶纤维可以明显改善纸张强度性质，其裂断长、 撕裂指数和环压强度均有提高。
The results showed that the tensile, tear and ring crush compression resistance of the paper increased by using water-soluble PVA fibers.
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