A doubly symmetrical I-section beam is reinforced by a flat plate attached to the upper flange as shown in Fig. P.10.3. If the resulting compound beam is subjected to a vertical shear load of 200 kN, determine the distribution of shear stress in the portion of the cross sectrion that extends from the top of the plate to the ncutral axis. Calculate also the shcar force per unit length of bcam resisted by the shear connection between the plate and the flange of the I-section beam.

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Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.