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随着改革开放和国民经济的发展，大型工业与民用建筑的比例不断增加，大体积混凝土的工程规模日趋扩大，其结构形式也日趋复杂，大体积混凝土的裂缝控制问题是一项技术难题。现在的一些理论成果，在工程实践中仍然缺乏成熟和实用的理论依据，而且施工中掌握不好，会出现一些反?
With the reform and opening up and the development of the national economy, the proportion of large-scale industrial and civil constructions has continuously increased, the scale of large-volume concrete projects has gradually expanded, and its structural form has become increasingly complex. The problem of crack control of large-volume concrete is a technical problem. Some of the current theoretical results still lack mature and practical theoretical basis in engineering practice. Moreover, there are some counterproductive problems in the construction process.