几种常用高效减水剂都有一定减水增强功能,但对混凝土的保水性、保塑性及对水泥适应性却有一定差别,应用性价比差别也较大。施工中应根据混凝土不同技术要求及胶凝材料、骨料特点通过试验选择使用。 Several commonly used superplasticizers have a certain water reduction enhancement function, but the water retention of concrete, plasticity and adaptability of the cement there is a certain difference between the application cost is also greater. Construction should be based on different technical requirements of concrete and cementitious materials, aggregate characteristics through the test choose to use.