The article analyzes massive concrete cracking causes. Starting from three aspects of materials,design and construction,it puts for-ward control measures including selecting heat hydration cement,setting post casting belt and expansion joint and rationally selecting casting method,and finally summarizes corresponding methods of the heat-insulating humid-holding,which can effectively control massive concrete cracks forming.%分析了大体积混凝土裂缝形成的原因，从材料、设计、施工三方面着手，提出了选用低水化热水泥、设置后浇带和伸缩缝、合理选择浇筑方法等控制措施，并总结了相应的保温保湿养护方法，可有效控制大体积混凝土裂缝的形成。
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