Given below is the properties of HP 410 x 131 steel column having a length of 8m and pinned at both ends. Fy = 248 MPa. Determine the nominal compressive strength of the column. Determine the design compressive strength of the column. Determine the allowable compressive strength of the column. Ag = 16600 mm2 d = 389 mm bf = 399 mm tf = 13.7 mm tw = 13.7 mm kdes = 43.7 mm rx= 163 mm ry = 67mm Ix = 439.1 x 106 mm4 Iy = 72.6 x106 mm4

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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.