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一年分四季,春、夏、秋、冬,在我国大部分地区可以常年施工,而在东北地区施工期只占6~8个月,冬期施工占4~6个月。在东北这种寒冷的气候,对砼工程施工的影响将会很大。长时间的持续低温施工,大的温差、降雪和反复的冻融,经常造成施工中砼的质量问题,根据资料分析砼工程有大部分质量事故发生在冬季。以下是本人在从事建筑行业施工中体会的一些看法。
Year in four seasons, spring, summer, autumn and winter, in most parts of our country can be perennial construction, while in the northeast construction period of only 6 to 8 months, winter construction accounted for 4 to 6 months. In the cold weather in Northeast China, the impact on concrete construction will be great. Long-term continuous low temperature construction, large temperature difference, snowfall and repeated freeze-thaw often result in the construction of concrete quality problems, according to the analysis of concrete engineering have most of the quality accidents occurred in winter. The following is my experience in the construction industry engaged in some of the views.