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。
By reasonable pouring, mix proportion optimizing, effective temperature control and reasonable curing, the concrete quality of spillway tunnel is guaranteed and no crack found.
通过合理选择浇筑措施、优选配合比、有效的温度控制以及合理的养护，目前，泄洪洞各方面质量均满足要求。且：禾发现裂缝。
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.
针对沥青路面出现的裂缝病害问题，提出了一种新的修补工艺，并对新型GF - 260型沥青路面灌缝机的结构性能特点进行了介绍。
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