现浇钢筋混凝土楼板面易产生裂缝。
主展厅局部二层楼面采用钢梁-网架-钢筋混凝土楼板组合结构。
The local 2nd floor structures in main hall is combined with steel beams, space grids and RC slabs.
混凝土在现代工程建设中占有重要的地位，特别是现浇钢筋混凝土楼板施工工艺的出现，很大程度的加快了施工进程。
In the modern construction, concrete plays an important role, especially in cast concrete construction technology. It accelerates the construction process.
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