Civil Engineering :: Steel Structure Design
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In a grillage footing, the maximum shear force occurs at the
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If d is the diameter of column, D is the side of square base, W is total axial load and p is the allowable bending stress, the thickness (t) of the base plate, is
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Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of
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Rivets subjected to shear and an externally applied tensile force, should be so proportioned that
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According to IS: 800-1962, the coefficient of expansion of steel per degree centigrade per unit length, is taken as
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For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to
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On steel structures the dead load is the weight of
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The net area of round bars to resist the tension, is the area of cross section at
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With usual notations of the letters, the shear stress fs at any point of the cross-section is given by
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The least permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to
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A.
area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment
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B.
area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment
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C.
total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment
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D.
none of these.
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