Based on the mechanics peculiarity of preflexed beam, a whole process analytical method of time dependent factors include concrete creep, shrinkage and steel relaxation based on strain theory is proposed in this paper.

• 本文根据预弯组合梁的受力特点,建立了以应变理论为基础的综合考虑混凝土收缩、变以及钢梁的松弛等时效因素的全过程时效分析方法。