研究了混凝土耐久性与渗透性的关系，指出可以通过渗透性指标进行混凝土的耐久性评估。
Study the relation of concrete durability and permeability and point out that we can evaluate concrete durability through the penetrating index.
高性能混凝土以高强度、高工作性、高体积稳定性和高耐久性等技术指标为设计目标。
Such high performance concrete aims to have high strength, workability, volume stability and endurance.
混凝土梁体上的裂缝对结构耐久性是有影响的，它也是决定混凝土结构耐久性状态的一个指标。
The cracks on concrete Bridges affect the structure durability, and they are also the index that determines the durability state of concrete structures.
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