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混凝土楼盖或屋面在养护结束之后会慢慢干缩和徐变收缩,遇环境温度降低时还会冷缩,现浇混凝土楼板在水平方向的各种收缩可统称为“内缩”;混凝土墙、柱除干缩、徐变、温降收缩外,在竖向荷载作用下还会产生弹性压缩。
Concrete floor or roof in the conservation after the end will slowly shrink and creep shrinkage in case of reduced ambient temperature will be cold shrinkage, cast concrete floor in the horizontal direction of the various shrinkage may be referred to as “shrink”; Concrete wall, column in addition to shrinkage, creep, shrinkage down temperature, the vertical load will produce elastic compression.