The floor structural system shown in Fig 1 comprise W-section steel beams and girders supporting a 5-inch thick concrete slab which provides full restraint to the flanges of the beams. The density of concrete is 150 lbs./ft'. and the uniformly distributed live load L- 50 lbs/ft². L-22 B. Girder G1: - B [za] 12' GI GI 12 + [ial FIG. 1-Steel Floor Beam a) Strength - Bending and Shear -I 1) Produce a sketch of the floor plan showing the tributary load distribution areas for the beams and girders [za]
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- The floor structural system shown in Fig 1 comprise W-section steel beams and girders supporting a 5-inch thick concrete slab which provides full restraint to the flanges of the beams. The density of concrete is 150 lbs./ft³. and the uniformly distributed live load L- 50 lbs/ft². L-22¹ 12' A. Beam B2 Gl GI [BI] FIG. 1-Steel Floor Beam 12' + (a) Strength Design i. Flexure (Bending) ii. Shear iii. Serviceability Design - Deflection --I 1) Produce a sketch of the floor plan showing the tributary load distribution areas for the beams and girders [B2] 2) Using AISC LRFD methodology design the following structural members using W-section A992 steel (Fy = 50 ksi). Assume the beams are cambered to offset dead load deflection. Use Design Tables in your solution.Total load 87 psf = B1W16 x 57 G1W24 x 68 Compute Vmax and Mmax for Beam 1 and Girder 1 in the roof framing plan. 28' H I H- B1 6 @ 6' = 36' B1 B1 B1 B1 | G1 I- I-The steelwork framing plan for a floor system shows decks as D1-D12, beams and girders as M1- M20 and columns as C1-C9. The unit load on the system is 75-psf dead and 45-psf live. What is the total load going into column C2? C3 C1 C2 I. M1 M2 D3 M8 M3 M4 M5 M6 D1 D2 D4 36' M7 D5 C5 C6 C4 M9 M10 D6 M16 M17 M18 M19 M11 M12 D7 D10 D11 D12 40' M13 D8 M14 D9 I. C9 C7 C8 M20 M15 24' 16'
- Material properties are: - Concrete weight: wt = 150 pcf - Concrete compressive strength: f'c = 4000 psi - Steel tensile strength: fy = 60 ksi - Stirrup consists of #4 bar - Framing members are not exposed to weather or in contact with soil. A simplified line diagram of Girder G2 is shown below: Determine the tributary area for each concentrated load for G-2. 30-0¹ B4 B4 69 Colum Dea 30-0 - Mark 89 PD & PL 30 square feet 400 square feet 700 square feet 1200 square feet 90-0 BI -Ser PD & PL a=The floor structural system shown in Fig 1 comprise W-section steel beams and girders supporting a 5-inch thick concrete slab which provides full restraint to the flanges of the beams. The density of concrete is 150 lbs. /ft³. and the uniformly distributed live load L=50 lbs/ft². L-22¹ B B. Girder G1: - [82] 12' Gl GI [BI] FIG. 1-Steel Floor Beam a) Strength - Bending and Shear 12' + I 1) Produce a sketch of the floor plan showing the tributary load distribution areas for the beams and girders [zulSelect all zero-force members in the truss shown below. Check the box for zero- force members 3m 12 m, 8 @ 1.5 m O DE LK EP OHF O BC O BM O EF O OM O CD O BN LO O DK FI O co O O O O O O 0 0 O 0
- A column section b- 400 mem, h - 600 mm is reinforced with longitudinal bars Ast - 12-020 mm equally distributed along all faces. Lateral ties are composed of 12 me rectangular hoops with clear cover equal to 40 mm and 12 mm cross ties in both directions. Concrete yield strength f'c - 27 MPa and steel yield strength, fy - 415 MPa. Calculate the nominal axial strength of the column in kN. O 6,985 O 5,588 O 5,938 O 5,239A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The beams are spaced at 7 feet 6 inches, and the span length is 30 feet. The superimposed loads are as follows: construction load = 20 psf, partition load = 10 psf, weight of ceiling and light fixtures = 5 psf, and live load = 60 psf, A992 steel is used, and fc=4 ksi. Determine whether the flexural strength is adequate. a. Use LRFD. b. Use ASD.Select all zero-force members in the truss shown below. Check the box for zero- force members 3 m 3 m 12 m, 8 @ 1.5 m DE O LK ЕР O HF O BC BM EF OM CD BN LO O DK FI O co
- t 4#9 1) fé= 5000 psi r Grade 60 steel; 4 #9 Rebars, 5-9" t 4#9 NWC, 5-9" L = 25 ft & Mn = ? 4#9 14" $ 21" #3" Simple span 397:YE I %AV . * O ASSIGNMENT (H... ASSIGNMENT Using method of sections, determine the force in members identified (CD, CI, El and HI) for the trusses shown 24 kN 24 kN Io to B E 1.5 m A J IH 4 @ 2mA3. A composite beam and deck system made up of W360x72 at 1000mm o.c. is to span 8m. The deck when cast is to be 100mm thick concrete (25MPA). The shear studs to be used have an ultimate stress capacity of 415MPA and will have a diameter of 16mm. Assuming 100% connection and that the system is shored during casting determine the ultimate moment of the composite W360.