By introducing damage factor into the model of elastic base beam, the non-elastic base beam model based on damage constitutive relation is proposed.

• 在弹性基础梁模型的基础上，通过引入一损伤因子，提出一类基于损伤本构的基础梁模型，并在一定条件下对该模型进行了求解和对比分析。