A rigid bar, pinned at O, is supported by two identical springs as shown. Each spring consists of 20 turns of 3/4 inches diameter wire having a mean diameter of 6 inches. Determine the maximum load W (lbs) that may be supported if the shearing stress in the springs is limited to 20 ksi. Use approximate method. I سانے www bend -4 ft· ww W -3 ft.

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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.