The Shear Force at any point along the beam is the total forces acting perpendicular to beam longitudinal axis up to the point. The bending moment at any point along the beam is equal to the area under the shear force diagram up to that point. (Note:

Simply-supported or Pinned-pinned beam evaluations

地震波作用下一简支梁桥，考虑桩土共同作用的地震响应(Seismic response of a simply supported beam bridge considering the interaction of pile and soil under seismic wave)