underwater filling concrete 水下灌注混凝土
concrete filling method [矿业] 混凝土充填法
filling of concrete 混凝土的灌注
concrete filling 混凝土充灌
underwater concrete filling 水下灌注混凝土
fly ash concrete filling 粉煤灰加气砼颗粒
Meanwhile, during the process of filling concrete, the stiffness of steel pipe will change according to the quantity of concrete, and any carelessness may result in accident.
在混凝土灌注施工中，钢管拱的结构刚度随着加载施工不断变化，稍有不慎就可能引发工程事故。
This paper introduces the design method and the procedure of civil engineering model bag concrete. And also the experiment mixed ratio and the design selection of the filling concrete.
介绍了土工模袋混凝土的设计方法和步骤，以及填充混凝土的试验配比和设计选择。
When cracked, the concrete absorbs moisture from surrounding air, then becomes soft and "grows," filling in the crack.
出现裂纹以后，混凝土会从周围的空气中吸收水蒸气，变软进而“生长”，从而将裂缝填充起来。
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