Experiments

  • Calculation of the reactions arising from the static conditions of equilibrium.
  • Application of the method of sections to calculate the internal forces
    • under a point load
    • under multiple point loads
  • Calculation of the shear force diagram.
  • Comparison of calculated and measured shear force values.

Specifications

  • Investigation of shear force on beam mounted on 2 supports.
  • Measurement of shear force in beam by low-friction hinge with 1 degree of freedom.
  • Position of hinge at 1/3 span.
  • 2 bearing supports.
  • Loading of beam by 1 to 3 point loads.
  • Force gauge to indicate shear force.
  • Adjuster nut for horizontal alignment of beam.
  • Storage system to house the components.

The SM-1429 consists of a beam that is supported by two pillars and is subject to point loads. One end of the beam is chopped. At that point there is a low-friction hinge with one degree of freedom. The internal response (shear force) at this point on the beam is indicated by the force gauge. The force gauge’s adjuster nut is used to horizontally align the beam and balance out any deflection. The static equilibrium conditions are used to determine the reactions. It is theoretically divided into two segments in order to examine the impact of the point loads in the beam. Applying the method of sections, the internal forces and moments are calculated using the equilibrium conditions and displayed onto the two segments.

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