The simplest beam bridge could be a log see log bridge a wood plank or a stone slab see clapper bridge laid across a stream. Further the first step of the steel beam design is the classification of the section. Formulas For Simply Supported Beam With A Point Moment Engineering Notes Physics And Mathematics Civil Engineering Design In the next step find out the effective span of the beam. . The beam is considered as simply supported and the design data for calculating the bending moment and shear forces are given below. No design shall be carried out without classifying the beam. Volume of Concrete 030 x 060 x 1 018 m³. The above beam design and deflection equations may be used with both imperial and metric units. How to Beam Load Calculation. The deformation of a beam is usually expressed in terms of its deflection from its original unloaded position. BMD bending moment diagram. Department of Housing and U...