标号：混凝土标号是指按标准方法制作、养护的边长为20cm 的立方体标准试件，在28 d 龄期用标准试验方法所测得的抗压极限强度，以kgf/ cm2 计。
... concrete disintegration 混凝土离析 concrete grade 混凝土标号 concrete grouting line 混凝土浇注线、混凝土流水作业 ...
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... concrete gun 混凝土喷枪、水泥喷枪 concrete mark 混凝土标号 concrete mixer 混凝土搅拌机 ...
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... 混凝土拌和运输车 transit-mixer truck 混凝土标号 concrete index 混凝土的拌和与浇筑 Concrete mixing and placing ...
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模型墩柱的配箍率、配筋率、混凝土标号以及浇筑方法均与原型桥墩相似。
The ratio of reinforcement, reinforcement stirrup, concrete mark and laying method of piers are similar to prototype ones.
调查表明，原设计混凝土标号过低，保护层过薄，桥面排水不当，加速了劣化过程。
The deterioration is accelerated because the strength grade of concrete is too low, depth of cover too thin, and drain off water unsuitable.
与以往混凝土标号普遍较低的情况相比，现代混凝土的组分发生了变化，并往往具有早强、高强的特点。
Comparing with lower grade concrete in early years, a lot of characters have been changed for modern concrete, such as the changes of concrete composition, to solidify early and high intensity, etc.
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