Q2: Using Fy=50 ksi select the lightest W14 Section available for service column loads PD=xx and PL=xx where KL=10 ft. PD = 120 PL = 220
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- 3. A beam has the following distributed loads : wD = 0.44 kip/ft, and wL 0.76 kips. If the beam is W 18 x 50, braced at the ends and third points, made from A992 steel, by directly applying the provisions of the AISC Specification, what is the available flexural strength of this beam? What is the adequacy of this beam in providing the required flexural strength. L 35'A fully composite section that is comprised of an A992 W16x31 with a 5-inch, (f'c= 4 ksi) slab on top of it. The beam span is 30' and the spacing of the beams is 5-foot. All the shear studs to make the composite beam were completely forgotten to be installed by the contractor. Assume that the friction between the slab and the steel beam is enough to provide continuous lateral support to the compression flange of the steel beam but provides no composite action between the concrete and the steel. What is the LRFD moment capacity (4bMn) of this badly built attempt at a 'composite' beam, Hint; The flexural strength of the unreinforced concrete slab is 7.5*(f'c)^0.5 Also, the fundamental flexural equation is MC/I. Show all work.A W14X145 Column A992 steel carry axial loads of DL=400 Kips and LL=275 kips. Assume a concrete pedestal is 25" by 25" and will be under the base plate. The steel base plate is A36 and the concrete has fc = 3 ksi. Use the AISC LRFD method only to design a base plate. Note: A36 Fy=36 ksl W14x145 d = 14.8 In bf = 15.5 In
- Assignment Instruction:The problem is to be done according to the AISC LRFD Method or the AISC ASD Method. All given loads are service loads unless otherwise indicated. Assume adequate lateral support of the compression flange such that lateral stability does not control. Assume all standard sections are equally readily available in the indicated grade of steel (even though actually they are not). A figure showing span and loading is required, and a final check of strength is required. Problem:For the case assigned, select the lightest W section to carry a uniformly distributed dead load wD in addition to the beam weight, and a uniformly live load wL as indicated. The member is simply supported and deflection is not of concern. The assigned case is Case 1.Assignment Instruction:The problem is to be done according to the AISC LRFD Method or the AISC ASD Method. All given loads are service loads unless otherwise indicated. Assume adequate lateral support of the compression flange such that lateral stability does not control. Assume all standard sections are equally readily available in the indicated grade of steel (even though actually they are not). A figure showing span and loading is required, and a final check of strength is required. Problem:For the case assigned, select the lightest W section to carry a uniformly distributed dead load wD in addition to the beam weight, and a uniformly live load wL as indicated. The member is simply supported and deflection is not of concern. The assigned case is Case 15.Assignment Instruction:The problem is to be done according to the AISC LRFD Method. All given loads are service loads unless otherwise indicated. Assume adequate lateral support of the compression flange such that lateral stability does not control. Assume all standard sections are equally readily available in the indicated grade of steel (even though actually they are not). A figure showing span and loading is required, and a final check of strength is required. Problem:For the case assigned, select the lightest W section to carry a uniformly distributed dead load wD in addition to the beam weight, and a uniformly live load wL as indicated. The member is simply supported and deflection is not of concern. The assigned case is Case 2.
- Assignment Instruction:The problem is to be done according to the AISC LRFD Method or the AISC ASD Method. All given loads are service loads unless otherwise indicated. Assume adequate lateral support of the compression flange such that lateral stability does not control. Assume all standard sections are equally readily available in the indicated grade of steel (even though actually they are not). A figure showing span and loading is required, and a final check of strength is required. Problem:For the case assigned, select the lightest W section to carry a uniformly distributed dead load wD in addition to the beam weight, and a uniformly live load wL as indicated. The member is simply supported and deflection is not of concern. The assigned case is Case 3. Additionally assuming the live load deflection may not exceed L/360 (not an AISC Specification requirement).The beam shown is a two-span beam with a hinge in the center of the left span. There iscontinuous lateral support. The concentrated loads are service loads. Determine whether a W12x79of A992 steel is adequate. Use LRFD. Don’t forget to include self-weight. Please draw the completeshear diagram for the beamAssignment Instruction:The problem is to be done according to the AISC LRFD Method or the AISC ASD Method. All given loads are service loads unless otherwise indicated. Assume adequate lateral support of the compression flange such that lateral stability does not control. Assume all standard sections are equally readily available in the indicated grade of steel (even though actually they are not). A figure showing span and loading is required, and a final check of strength is required. Problem:For the case assigned, select the lightest W section to carry a uniformly distributed dead load wD in addition to the beam weight, and a uniformly live load wL as indicated. The member is simply supported and deflection is not of concern. The assigned case is Case 10.
- Determine the strength of a A992 steel column (Fy = 50 ksi), W 12 X 50 with a total length of 45 feet (both fix-end connection) for the following cases: Design axial compressive strength (LRFD) using AISC Requirement. Allowable axial compressive strength (ASD) using AISC Requirement.Q2: Using Fy=50 ksi select the lightest W14 Section available for service column loads PD=xx and PL=xx where KxLx=26 ft and KyLy=13 ft. (Recheck your solution) *1) For the framing element identified as “1F” in the figure below, the W21x44 supports 16K2s. The roof deckdoes not directly attach to the W21x44. What is the unbraced length for the W21 for gravity loads?