Expansive concrete is a kind of special concrete. Mixing the expanding agent into the concrete can generate some dilatant which can make the concrete expande by the cement hydration.
膨胀混凝土是一种特殊的混凝土,通过膨胀剂的掺入,经过水化作用生成一定量的膨胀源使混凝土产生膨胀,可以补偿混凝土的收缩或产生预应力。
参考来源 - 膨胀型混凝土长期性能及徐变特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The optimum formula and technology for making expanding agent have been established by orthogonal experiments.
通过正交试验确定了膨化剂的最佳配方和生产工艺。
The test results showed that there would be a good adaptability between the Portland cement, expanding agent and accelerating agent.
试验结果表明：硅酸盐水泥、膨胀剂和速凝剂三者之间有较好的适应性。
The optimal dosage and application method of the expanding agent were proposed based on the results of laboratory experiments and mill trials.
经过试验室和造纸厂的反复应用试验，确定了膨化剂的最佳用量和使用方法。
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