Determine the ASD adjusted design compression strength parallel to grain, Fc’, for the following beam. Assume normal temperatures, bending about the strong axis, and no incising. Ignore the weight of the beam.Load:PD = 240 lbPLr = 1,920 lbLoad combination:D + LrSpan:L = 6 ftMember size:4 x 14Stress grade and species:No. 2 Douglas Fir-LarchUnbraced length:lu = 0Moisture content:MC > 19 percentLive load deflection limit:Allow. Δ ≤ L/360
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Girders G1, G2 and G3 in the roof framing plan support loads…
Girders G1, G2 and G3 in the roof framing plan support loads from purlin P1. Use ASD to determine the maximum bending moment in girder G1. The roof dead load is D = 14 psf. The reduced roof live load for this girder is Lr = 17 psf.
Use the Simplified Alternative Procedure in ASCE 7-10 Chapte…
Use the Simplified Alternative Procedure in ASCE 7-10 Chapter 12, Section 12.14 to answer this question. Assume that the building meets the limitations described therein. A two-story building with the following characteristics has a building frame system consisting of steel and concrete composite special shear walls. A certain shear wall in the building is 120 feet long by 18 feet tall and weighs 80 psf. Determine the seismic base shear, V, for the wall.Risk Category ISite Class DSS = 1.25, S1 = 0.75
Use the Simplified Alternative Procedure in ASCE 7-10 Chapte…
Use the Simplified Alternative Procedure in ASCE 7-10 Chapter 12, Section 12.14 to answer this question. Assume that the building meets the limitations described therein. A two-story building with the following characteristics has a bearing wall system consisting of light-frame (cold-formed steel) walls sheathed with wood structural panels rated for shear resistance. A certain shear wall in the building is 120 feet long by 22 feet tall and weighs 15 psf. Determine the seismic base shear, V, for the wall.Risk Category ISite Class BSS = 1.00, S1 = 0.40
Determine the ASD adjusted design shear strength, Fv’, for t…
Determine the ASD adjusted design shear strength, Fv’, for the following beam. Assume normal temperatures, bending about the strong axis, and no incising. Ignore the weight of the beam.Load:wD = 120 lb/ftwLr = 150 lb/ftLoad combination:D + LrSpan:L = 10 ftMember size:4 x 12Stress grade and species:No. 1 Douglas Fir-LarchUnbraced length:lu = 0Moisture content:MC > 19 percentLive load deflection limit:Allow. Δ ≤ L/360
Use the MWFRS Envelope Procedure in ASCE 7-10 Chapter 28, Pa…
Use the MWFRS Envelope Procedure in ASCE 7-10 Chapter 28, Part 1 to answer this question. Assume that the building meets the conditions described therein. You have been tasked with designing an open building. The mean roof height is 20 ft, and the roof angle is 20 degrees. The basic wind speed provided by the local building authority is 145 mph. Assume that exposure category C is applicable and that the building is not located on a hill or an escarpment. Determine the external pressure coefficient GCpf on Zone 4 for Load Case A.
What is the format conversion factor, KF, for the strength o…
What is the format conversion factor, KF, for the strength of a connection?
A two-story building has the following characteristics. Dete…
A two-story building has the following characteristics. Determine the design earthquake spectral response acceleration parameter at short period, SDS, using ASCE 7-10.Risk Category IISite Class BSS = 1.00, S1 = 0.40
What is the section modulus, Sxx, about the X-X axis for 2 x…
What is the section modulus, Sxx, about the X-X axis for 2 x 4 dimension lumber?
Use the MWFRS Envelope Procedure in ASCE 7-10 Chapter 28, Pa…
Use the MWFRS Envelope Procedure in ASCE 7-10 Chapter 28, Part 1 to answer this question. Assume that the building meets the conditions described therein. You have been tasked with designing an enclosed building. The mean roof height is 15 ft, and the roof angle is 20 degrees. The basic wind speed provided by the local building authority is 135 mph. Assume that exposure category D is applicable and that the building is not located on a hill or an escarpment. Determine the velocity pressure exposure coefficient, Kh.