论文部分内容阅读
在拌制混凝土中按水泥重量比例掺用粉煤灰,在我国已有几十年历史,并取得了经验和成绩,是应当大力推广的一项重要施工技术。从节省水泥和能源的角度来认识,更具有十分重要的意义。其它优点还可以举出:改善混凝土的和易性;在常
The use of fly ash in proportion to the weight of cement in blended concrete has been in China for decades and has gained experience and achievements. It is an important construction technology that should be vigorously promoted. Understanding from the perspective of saving cement and energy is even more important. Other advantages include: improving the workability of concrete;