Consider the structure shown in the figure below. There are pins at A, B, and D. Note that ABC is a single structural member and can be assumed to be a beam. 8 mm- Top view 180 mm- -200 mm- D B -20 mm Front view 12 mm C C P 1 8 mm- 12 mm B -8 mm D Side view a) The diameters of the pins are 8 mm, 12 mm, and 12 mm at A, B, and D, respectively. The failure stresses are Tfail = 100 MPa for all pins and of ail = 250 MPa for the bars between B and D. Find the maximum load P that can be applied to this structure for a factor of safety (F.S.) = 3. b) Reconsider the structure above. The pins are replaced such that their diameters are now 10 mm, 12 mm, and 12 mm at A, B, and D, respectively. When all other conditions remain the same, what is now the maximum load P that can be applied to keep the F.S. = 3?

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Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.