防爆墙施工方案 Blast Wall Construction Program 注意点: 墙体边长大于等于 100毫米洞口必须预设, 不可以开凿。 Notice points: when the side length of the wall is greater than or equal to 100mm, the opening must be preset, and it is not allowed to excavate. 1 为保证大体积混凝土施工质量,对混凝土的配比进行了详细的研究,选用如下材料: Make a particular research on the properties of concrete to ensure the large area concrete construction quality, and select the follow