1. Check the compactness of W36x529, W21x48 and W14x99.2. Verify the available flexural strength of W18×50 shape for the beam shown below. Theunfactored loads are a uniform dead load of 0.45 kip/ft and a uniform live load of 0.75kip/ft. Use the LRFD load combinations to find the required flexural strength.Wo 0.45 kip/ftw₁ = 0.75 kip/ft35'-0"Beam Loading & Bracing Diagram(full lateral support)

The first part of the question is asking to check the compactness of the given steel sections.…

Answered: 1. Check the compactness of W36x529,…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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a concrete floor slab 100mm thick is cast monotholic with concrete beams 2.0 m on centers. the beams have a span of 4.0m, web width of 259 mm and overall depth of 50 mm. the tensile reinforcement consists of 6-⌀20 mm bars in two rows with 25mm vertical clear spacing. use material strengths f'c=21MPa and fy=415MPa. calculate the ff considering a T-geometry: 1. effective flange width of an interior beam in mm 2. depth of uniform stress block at ultimate stage in mm to the nearest whole number 3. tensile steel strain compatible strain of 0.003
S9. Knowing that the allowable normal stress for the steel used is 150 MPa, select the most economical metric wide-flange beam to support the loading shown in Figure 9.0. 50 kN/m A D B -2.4 m- 0.8 m 0.8 m Figure 9.0 $10. Determine the average shearing stress in the web of the beam indicated and check whether the design obtained earlier for that beam is acceptable, knowing that the allowable shearing stress for the steel used is 110 MPa. Consider the beam of $9 above.
A beam has a width of 200mm and a height of 250mm and is loaded as shown. Compute the maximum shear stress. Show computation and present detailed drawings/FBD’s illustrating your solution.
CASE:A rectangular beam has the dimensions (see Fig.1) b = 15 in.,h = 30 in., and d = 27.37 in. and is reinforced with three No.9 bars. The concrete compressive strength fc' is 4000 psi, and the tensile strength in bending (modulus of rupture) is 475 psi. The yield point of the steel fy is 60,000 psi, the stress-strain curves of the materials being those of Fig.2. Determine the stresses caused by a bending moment M = 45 ft-kips.Question1:Check this case, would the concrete of the beam crack? Please calculate the strengths of those two materials in this beam.Question2:Suppose the beam under this case is subject to a bending moment M = 110 ft-kips (rather than45ft-kips as previously). Calculate the relevant properties and stresses.Question3:Determine the nominal moment Mn at which the beam of this case will fail. Question4:Have a comparison of the calculation results with those of three questions.
A beam has a class 3 web and a class 2 flange. When along the stress-strain diagram will it fail, and how? Remember how we define the classes. Make a sketch showing a W-section beam that hasfailedin this way. How can this be prevented?
Required information Consider the loading shown. The allowable normal stress for the steel used is 160 MPa. 0.8 m 50 kN/m B -2.4 m- 0.8 m For the selected design, determine the actual value of Om in the beam. (Round the final answer to one decimal place. You must provide an answer before moving to the next part.) The actual value of om in the beam is 160 MPa.
1 Situation 19. A composite beam shown is subjected to a bending moment of 500 kN-m. Determine the maximum flexural stress; 300 VIEW INNOVATIONS 200 200 100 55. Experienced by the steel 56. Experienced by the aluminum A. 0.03 B. 25.24 57. Experienced by the brass A. 25.24 B. 37.86 REVIEW I EW INNOVATIONS Steel, E=200 GPa Aluminum, E=70 GPa Brass, E-105 GPa wwwww C. 48.2 D. 72.11 C. 16.8 C. 16.8 D. 11.21 VIEW INNOVATIONS REVIEW INNOVATIONS REVIEW IS
A cast iron tube 3m long is completely filled with concrete and used as a vertical strut. if the external diameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressive load the composite strut can support if the stress in the concrete is not exceed 2N/mm². By how much should the strut shorten under this load. For cat iron EA= 100GN/m² and for concrete Eb = 10GN/m².
A cast iron 3m long is completely filled with concrete and used as a vertical strut. If the externaldiameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressiveload the composite strut can support if the stress in the concrete is not 2N/mm2? By how muchshould the strut shorten under this load? For cast iron EA= 100GN/m2 and for the concrete EB=10GN/m2?
A concrete floor slab 100mm thick is cast monolithic with concrete beams 2.0m on centers. The beams have a span of 4.2m, web width of 250 mm and overall depth of 450 mm. The tensile reinforcement consists of 4-25 mm diameter bars in two rows with 25mm vertical clear spacing. Use material strengths f’c = 21 MPa and fy = 415 MPa. Calculate the following considering a T-geometry: Effective flange width of an interior beam in mm = Depth of uniform stress block at ultimate stage in mm to the nearest whole number = Tensile steel strain compatible with concrete strain of 0.003 in 3 decimal places =
2. Per ACI318-19, choose the correct value of the strength reduction factor ø for the flexural capacity of a beam with ɛ = tension face. 0.0032, where & is the strain for steel reinforcement closest to the (A)0.9 (B) 0.85 (C) 0.75 (D)0.65
Compute for the beam shown. Use psi and psi. Does the compression steel yield in this beam at nominal strength?

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