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实验研究了混凝土干缩及自收缩性能。结果表明,高性能混凝土具有严重的自收缩现象。但整体的干缩与普通混凝土相似。掺入硅灰将增大高性能混凝土的自收缩。
The experimental study of concrete shrinkage and self-shrinkage properties. The results show that high performance concrete has serious autogenous shrinkage. However, the overall shrinkage is similar to ordinary concrete. The incorporation of silica fume will increase the autogenous shrinkage of high performance concrete.