该项研究取得了以下成果 :( 1)课题进行了 2 55组Ｃ30 ,Ｃ4 0混凝土试块试验 ,研究掺粉煤灰和掺外加剂对混凝土力学性能的影响 ,取得了适合“双掺”技术的配合比设计。掌握了掺粉煤灰混凝土的基本物理力学性能 ,如强度变化规律。积累了收缩、徐变等实测数据和资料。 ( 2 )通过 The research has achieved the following results: (1) The project carried out 255 sets of C30 and C40 concrete test blocks, studied the effect of fly ash and admixture on the mechanical properties of concrete, and achieved a suitable “double-blended” technology. The match ratio design. Mastered the basic physical and mechanical properties of fly ash concrete, such as the law of strength change. Accumulated measured data and data such as shrinkage and creep. (2) Passed