矿物添加剂 meaning in English

mineral additive

Mineral admixtures have unsuperseded advantages in improving the workability and durability of self - compacting concrete . the reasons of tendency of cracking in self - compacting concrete and the influence factors have been studied , and the new type of mineral admixture has been used in high performance self - compacting concrete , and its defects such as high slump - losing and shrinking or cracking is successfully prevented
分析了免振捣混凝土容易产生收缩开裂的原因及其影响因素，将研制的新型矿物添加剂应用于免振捣高性能混凝土之中，解决了免振捣混凝土坍落度经时损失大、易产生收缩开裂等技术难题，配制出免振捣微膨胀高性能混凝土。
The research work about durability of high - performance self - compacting micro - expansive concrete show that the micro - expansive function and micro - bubble producing function of mineral admixture h can improve the impermeability , frost - resistance ability and sulfate eroding resistance ability etc of self - compacting concrete
研究了免振捣微膨胀高性能混凝土的各项耐久性能，结果表明：山于新型矿物添加剂h的微膨胀功能和微量发气功能，研制成功的免振捣微膨胀高性能混凝土具有优良的抗渗性、抗冻性、抗硫酸盐侵蚀等耐久性能。