Determine the value of plastic section modulus, Z, about the horizontal z axis for the section. Let bf = 12 in., d = 18 in., tw = 0.250 in., and tf = 0.750 in.
Blog
An unsymmetrical flexural member consists of a 3” × 20” top…
An unsymmetrical flexural member consists of a 3” × 20” top flange, a 3” × 13” bottom flange, and a 1” × 40” web. Determine the distance from the top of the shape to the horizontal plastic neutral axis.
A tee shape made from A913 Grade 65 steel is fabricated from…
A tee shape made from A913 Grade 65 steel is fabricated from two plates of steel. The flange plate is 0.750 in. × 16 in., and the stem plate is 0.625 in. × 7 in. Determine whether the shape is compact, noncompact or slender.
For a W-shape beam with a moment of inertia of 445 in.4 and…
For a W-shape beam with a moment of inertia of 445 in.4 and a depth of 18 in., determine its yield moment, My. Assume the steel is A913 Grade 70.
Determine the value of the section modulus, S, about the hor…
Determine the value of the section modulus, S, about the horizontal z axis for the section. Let bf = 11 in., d = 18 in., tw = 0.250 in., and tf = 0.750 in.
A tee shape made from A913 Grade 70 steel is fabricated from…
A tee shape made from A913 Grade 70 steel is fabricated from two plates of steel. The flange plate is 0.750 in. × 22 in., and the stem plate is 0.500 in. × 7 in. Determine whether the shape is compact, noncompact or slender.
A tee shape made from A572 Grade 60 steel is fabricated from…
A tee shape made from A572 Grade 60 steel is fabricated from two plates of steel. The flange plate is 0.500 in. × 18 in., and the stem plate is 0.625 in. × 7 in. Determine whether the shape is compact, noncompact or slender.
The beam is braced at A, B, and C. Determine the lateral-tor…
The beam is braced at A, B, and C. Determine the lateral-torsional-buckling modification factor, Cb, for the unbraced length AB. Let P = 100 kip, L1 = 16 ft, and L2 = 7 ft.
For a W-shape beam with a moment of inertia of 660 in.4 and…
For a W-shape beam with a moment of inertia of 660 in.4 and a depth of 12 in., determine its yield moment, My. Assume the steel is A572 Grade 65.
Determine the nominal flexural strength, Mn, of a W12x40 for…
Determine the nominal flexural strength, Mn, of a W12x40 for a simple span of 22 ft with continuous lateral support. Use Fy = 90 ksi and Cb = 1.0.