HW3_ Dead Load and Load Tracing

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School

Northern Arizona University *

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Course

220

Subject

Computer Science

Date

Feb 20, 2024

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pdf

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3

Uploaded by ColonelJayPerson1032

CM220 INTRO TO STRUCTURES SPRING 2024 HW 3: Dead Load and Load Tracing Ogi Mircic 02/07/24
1 - What Building Code is applicable for this house in the City of Flagstaff? - The Building code that is applicable for this house is the IRC 2006 with City of Flagstaff Amendments, which is found on sheet 101. 2 - Determine the following design loads and describe where you found this information A) Live load - The live load is 40 psf for residentials. B) Roof snow load - The roof snow load is 40 psf. C) Wind speed - The wind speed load is 90 mph. All three of these loads can be found on the top left corner of sheet 101. 3 - Determine Dead Load of 1st floor A) Determine the dead load of the first floor of the addition - To calculate the dead load of the first floor, the framing and flooring must be added together. The addition of the first floor 2X10 DFL #2 BTR @24" OC, which has a psf of 6. This information is found on table C3-1.1a of ASCE/SEI 7-22. The weight of one sheet of 4'x8'x1" is 106.2 pounds. To find the psf of the osb on the first floor, one would divide by 32 which would result in 3.318, which would be the psf of the osb on the first floor addition. By adding these two, the resulting psf on the first floor addition is 9.318. B) Sketch a cross-section of the floor showing all materials included and their respective unit weights -
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