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本文从后张预应力混凝土结构孔道压浆所用水泥浆配合比设计出发,根据水泥浆特性以及高效减水剂、膨胀剂作用机理,简要探讨了水泥与外加剂的适应性以及配合比设计中对水泥、外加剂的选择。
Based on the slurry mix design of the post-tensioned prestressed concrete structure for pore pressure grouting, the adaptability of cement and admixture is discussed briefly according to the characteristics of grout and the action mechanism of the superplasticizer and expander. Cement, the choice of admixture.