In case the height span ratio is comparatively big, the shear strain and the moment of inertia of a beam bridge must be taken into consideration under vertical seismic force. In this study,we give the vibrational solution for such a bridge.

• 本文对高跨比较大的梁式桥,在竖向地震作用下考虑剪切变形和转动惯量影响,来研究桥梁的振动解。