因此，控制好内外温差和温度变形是防止大体积混凝土出现裂缝的重要方法。
Therefore well controlling of difference in temperature and temperature strain are important measures on concrete cracking control.
通过对这些试验的综合分析，给出了出现裂缝的主要种类、成因及由此造成的破坏形式。
From the test results, categories and reasons of cracks and failure modes caused by them are presented by analysis.
针对目前楼板出现裂缝严重的情况，找出现浇板及预制板出现裂缝的原因，并提出防治措施。
Directing to the serious situation in floor crack, find the reasons of appearing cast-in-situs crack and precast board crack, and put forward prevention-cure measures.
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