介绍了几种较为成熟的混凝土损伤模型，在传统非局部损伤模型的基础之上引入了光滑权函数构造了一种新型的非局部损伤模型。
This paper introduces several kind of the damage model of concrete and presents a new kind of non-local damage model by adding the smooth weight function on the classical non-local damage model.
蠕变还受混凝土初次承受荷载时的成熟度的影响，该影响取决于荷载的持续时间和重量。
Creep is also influenced by the maturity of the concrete when the load is first applied and depends on the duration and magnitude of the loading.
推广使用混凝土和沥青混凝土、塑料薄膜等成熟的渠道防渗工程常用材料；
Popularize common materials for mature ditch anti-seepage projects such as concrete, bituminous concrete and plastic film.
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