隧道衬砌施工中防止混凝土缺陷的几点意见

Suggestions on preventing the larger defects of the concrete in the lining construction of the tunnel

为了防止混凝土表面缺陷大面积出现,从混凝土施工工艺、原材料及配比优化及施工准备等方面探讨了隧道衬砌混凝土施工中应注意的事项,以供参考。

For preventing the appearance of the larger defects of the concrete, the author discusses the matter needing attention in the lining concrete construction of the tunnel from the aspects of the concrete construction technology, the raw material, the ratio optimization and the construction preparation for your reference.