外加剂对混凝土技术发展的影响与存在问题

The Influences and the Problems that the Additive Effect on the Concrete Technical Development

外加剂给混凝土技术带来较大影响,但是深刻地、全面地认识所发生的变化,应对这些变化、并解决出现的问题,以满足工程的需要,仍然十分困难。

The additive makes a great effect on the concrete technique,however,to recognize the changes profoundly and comprehensively,cope with these changes and solve the problems,to meet the needs of the project,still to be very difficult.