Meanwhile, during the process of fillingconcrete, 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。
2
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 fillingconcrete.
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。
3
When cracked, the concrete absorbs moisture from surrounding air, then becomes soft and "grows," filling in the crack.