The grey model and extended grey dynamic model considering the influence of loading time on creep of concrete were used to predict the long-term deformation of 6 self-compacting concrete beams on the basis of short-term experimental data.

• 摘要采用灰色系统模型以及灰色动态拓广模型考虑荷载持续时间对混凝土徐变的影响对6根自密实混凝土梁的长期变形进行预测研究。