A wood member is loaded as shown. Using ASD, determine the adjusted bending strength, Fb’. Assume normal temperatures, no incising, and that all loads act in the directions shown. Ignore the weight of the member.Load:PD = 3,000 lbPL = 0 lbPLr = 0 lbPS = 0 lbPR = 0 lbPW = 7,500 lbPE = 5,500 lbQD = 3,000 lbQL = 3,000 lbQLr = 5,000 lbQS = 500 lbQR = 1,000 lbQW = 0 lbQE = 0 lbSpan:L = 11 ft Member size:4 x 8 Stress grade and species:No. 1 & Better Douglas Fir-Larch Unbraced length:lu = 0 ft Moisture content:MC > 19 percent
Use APA Technical Note Q225 entitled Load-Span Tables for AP…
Use APA Technical Note Q225 entitled Load-Span Tables for APA Structural-Use Panels and ASD procedures to answer the following question.The spacing of joists in a floor system is 19.2-in. o.c. Floor dead load = 20 psf. Floor live load = 147 psf. Floor sheathing is to be an APA rated OSB sheathing, and panels are to be oriented in the strong direction. The load is governed by bending and shear for total load. Only consider these limits. Assume multi-span, normal duration of load, dry conditions, and panels 24 inches or wider. Would a panel with a span rating of 40/20 be adequate?
If a building contains columns that are evenly spaced every…
If a building contains columns that are evenly spaced every 25 feet in the north-south direction and 16 feet in the east-west direction, the tributary area of a typical corner column would be _______.
You have been tasked with designing a one-story building as…
You have been tasked with designing a one-story building as a sewage treatment plant. The mean roof height is 25 ft, the roof angle is 10 degrees, and the effective wind area is 100 square feet. The basic wind speed has been provided by the local building authority and is 115 mph. Assume that exposure category C is applicable and that the building is not located on a hill or an escarpment. Also assume that the building is an enclosed simple diaphragm and that the building meets all five conditions listed in ASCE 7-10 section 30.5.1. Determine the adjustment factor for building height and exposure, λ, for the Components and Cladding using the Simplified Envelope Procedure.
What is the wet service factor, CM, for the bending strength…
What is the wet service factor, CM, for the bending strength of softwood glulams?
A 15-ft-long, simply-supported beam supports a concentrated…
A 15-ft-long, simply-supported beam supports a concentrated dead load of 265 lb at its center. Determine the maximum bending moment in the beam.
Use APA Technical Note Q225 entitled Load-Span Tables for AP…
Use APA Technical Note Q225 entitled Load-Span Tables for APA Structural-Use Panels and ASD procedures to answer the following question.The spacing of joists in a flat roof is 40-in. o.c. Roof dead load = 5 psf. Snow load = 51 psf. Roof sheathing is to be an APA rated plywood sheathing, and panels are to be oriented in the strong direction. The load is governed by deflection limits of L/240 for snow load and L/180 for total load. Only consider these limits. Assume multi-span, normal duration of load, dry conditions, and panels 24 inches or wider. Would a panel with a span rating of 32/16 be adequate?
Use APA D510 Panel Design Specification to answer the follow…
Use APA D510 Panel Design Specification to answer the following question. What is the predominant performance category that corresponds to APA Rated Sheathing with a span rating of 24/0?
Find the reduced roof live load for a one-story building whi…
Find the reduced roof live load for a one-story building which has columns evenly spaced every 13 feet in the north-south direction and 30 feet in the east-west direction. The building has an ordinary pitched roof with a slope of 1 inch/foot.
Find the reduced roof live load for a one-story building whi…
Find the reduced roof live load for a one-story building which has columns evenly spaced every 26 feet in the north-south direction and 27 feet in the east-west direction. The building has an ordinary pitched roof with a slope of 11 inch/foot.