A big technical problem for mass concrete structures during pouring is how to control crack expansion.
大体积混凝土在浇筑中的一个重要技术课题是控制裂缝扩展。
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By reasonable pouring, mix proportion optimizing, effective temperature control and reasonable curing, the concrete quality of spillway tunnel is guaranteed and no crack found.
For the cracks disease of bituminous pavement, the paper proposed a new repairing technology, and introduced the structural performance of GF-260 crack-pouring machine.