The inertial effect of three-point bend specimens under impactloading was analyzed by using the spring-mass system model and an expression for the correction of inertial force was obtained under the condition of brittle fracture of materials.

• 用弹簧质量模型分析了三点弯曲试样在冲击载荷作用下的惯性效应，得到了脆性断裂条件下有效载荷的修正公式。