从徐变次内力计算的等效荷载向量出发,应用等效弹性模量法推导了一次落架混凝土结构的徐变次内力求解过程和步骤,证明了具有刚性约束边界的一次落架等截面混凝土结构徐变次内力为零的结论,同时得出了具有弹性边界的超静定混凝土结构即使一次落架,其徐变次内力和位移都不为零的不同特点,并给出了工程应用算例。 Based on the equivalent load vector calculated from the internal forces of creep, the creep sub-internal force solution process and steps of a falling frame concrete structure are deduced by using the equivalent elastic modulus method. It is proved that the creep subsidence concrete structure with rigid constrained boundary At the same time, it is concluded that the creep sub-internal forces and displacements are not zero when the one-off frame of statically indeterminate concrete structures with elastic boundary are not zero, and an example of engineering application is given.