本文通过对某框架楼混凝土裂缝的鉴定与分析，提出有关混凝土收缩裂缝的规律及相关成因等方面的探讨。
Based on the appraisal and analysis of concrete cracks in a frame structures, this paper describes the regularity and cause about concrete shrinkage cracks.
混凝土结构的裂缝通常是在多种因素的作用下产生的，鉴别混凝土结构产生的各种类型裂缝是工程鉴定加固中的一项重要内容。
The crack of concrete structure is usually produced under many kinds of factors, the differentiation of concrete crack is an important content in strengthening.
为此，通过岩心观察和显微镜下薄片鉴定，研究了裂缝的发育类型、发育密度、发育频率以及充填特征。
This paper studies the type, density, frequency and filling of fractures in the reservoirs through core observation and microscopic thin section analysis.
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