What is the section modulus, Sxx, about the X-X axis for 2 x 12 dimension lumber?
Determine the maximum bending moment in the following beam….
Determine the maximum bending moment in the following beam. Assume normal temperatures, bending about the strong axis, and no incising. Ignore the weight of the beam.Load:PD = 560 lbPLr = 1,440 lbLoad combination:D + LrSpan:L = 11 ftMember size:4 x 12Stress grade and species:Select Structural Douglas Fir-LarchUnbraced length:lu = 0Moisture content:MC < 19 percentLive load deflection limit:Allow. Δ ≤ L/360
For deflection calculations, the adjusted modulus of elastic…
For deflection calculations, the adjusted modulus of elasticity Ex’ for a hardwood glulam beam 16F-V2 with ASD load combination (D + 0.6W), under 16% moisture content, and a constant temperature of 115°F is _______.
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 25 ft, and the roof angle is 5 degrees. The basic wind speed provided by the local building authority is 115 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.
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 a partially-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 115 mph. Assume that exposure category B is applicable and that the building is not located on a hill or an escarpment. Determine the velocity pressure, qh.
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 80 feet long by 18 feet tall and weighs 15 psf. Determine the seismic base shear, V, for the wall.Risk Category ISite Class ASS = 0.50, S1 = 0.20
The dimensions for 2×6 standard dressed (S4S) sawn lumber is…
The dimensions for 2×6 standard dressed (S4S) sawn lumber is _______.
Determine the maximum actual deflection of the following bea…
Determine the maximum actual deflection of the following beam. Assume normal temperatures, bending about the strong axis, and no incising. Ignore the weight of the beam.Load:PD = 400 lbPLr = 1,440 lbLoad combination:D + LrSpan:L = 6 ftMember size:4 x 12Stress grade and species:No. 1 & Better Douglas Fir-LarchUnbraced length:lu = 0Moisture content:MC > 19 percentLive load deflection limit:Allow. Δ ≤ L/360
What is the temperature factor, Ct, for the bending strength…
What is the temperature factor, Ct, for the bending strength of sawn lumber that is kept dry with a constant temperature of 90°F?
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:PD = 400 lbPLr = 2,240 lbLoad combination:D + LrSpan:L = 13 ftMember size:4 x 8Stress grade and species:No. 1 & Better Douglas Fir-LarchUnbraced length:lu = 0Moisture content:MC < 19 percentLive load deflection limit:Allow. Δ ≤ L/360