The laws of influences from usage amount of cement, mineral admixtures and concreteage on shrinkage and creep of high performance concrete are studied through tests.
试验研究了水泥用量、矿物掺合料、龄期对高性能混凝土收缩、徐变的影响规律。
2
To the RCC concrete that under design RCC concreteage when flowing design flood, the stress value considered the temperature load is bigger than that does not consider the temperature load.
对于过洪时未到设计龄期的混凝土,考虑温度载荷的应力值大于不考虑温度载荷的应力值。
3
The concrete apartment blocks show their age and they become unfit for human's habitation.