等刚度代换法计算托墙梁载荷

WALL-BEAM LOAD CALCULATED WITH TRANSFORM METHOD OF EQUAL RIGIDITY

用刚度与托墙梁相等,材料与墙相同的代换梁取代托墙梁,将墙梁变成均质弹性体。用已知的弹性力学公式计算出代换梁面上的应力,将该应力作为墙对梁的载荷。本文简称这一计算托墙梁载荷方法为等刚度代换法。经用理论公式和有限元法验证表明,等刚度代换法能够近似地反映墙梁界面上的应力分布规律。

The wail-beam is replaced by the transform beam whose rigidity is rigidity of the wall-beam and material the same as the wall to turn the wall and beam into homogeneous elasticity body. stress on the transform beam is calculated by the formulas in elasticity, then it is regarded as load with the wall actes upon beam. In this paper, the method is called equal rigidity substitution, its result has reflected approximately stress distribution law on contact surface between the wall and beam by identification for theory formulas and finite element method.