Week+4+Assignmnet

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University of Alaska, Anchorage *

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Mechanical Engineering

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Apr 3, 2024

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Week 4 Assignment Chapter 7 & 8 Chapter 7 The following figures are used for the questions not all figures will be used: Figure 1: Framing Plan Figure 2: Framing Plan
Week 4 Assignment Chapter 7 & 8 Figure 3 : Truss Detail The following Tables are used for the questions: 1. Prepare a structural steel materials list for the roof-framing plan shown in Figure 1. The columns are 20 feet high. The flange width for the W16×77 is 10 1/4 inches. The properties of the columns are found in Table 1. 2. What is the weight of the heaviest structural steel member needed to construct the roof in Figure 1? The columns are 20 feet high. The flange width for the W16×77 is 10 1/4 inches. The properties of the columns are found in Table 1. 3. Prepare a steel joist materials list for the roof-framing plan shown in Figure 2. The approximate weights of the joists are found in Table 2. Table 1 Column Properties Column: Size Flange Width (in) Depth (in) C1 W12×40 8.005 11.94 C2 W12×50 8.080 12.19 Table 2 Joist Weights Joist: Approximate Weight (lbs/ft) 24K9 12 44G7N10K 42 44G7N20K 79
Week 4 Assignment Chapter 7 & 8 4. Determine the amount of metal deck that needs to be purchased to construct the floor shown in Figure 2. The deck comes in panels 4 feet wide by 40 feet long. The panels must be lapped six inches on the sides and ends. 5. Determine the items, including welds, needed to fabricate the steel truss shown in Figure 3. The right side of the truss is the same as the left side of the truss. Chapter 8 The following figures are used for the questions not all figures will be used: Figure 1: Floor Framing Plan
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Week 4 Assignment Chapter 7 & 8 Figure 2: Floor Plan Figure 3: Roof Plan
Week 4 Assignment Chapter 7 & 8 Figure 4: Roof Plan Figure 5: Cabinet Elevation 6. Determine the materials needed to complete the posts and girder supporting the floor joists in Figure 1. The posts are connected to footings using a Simpson ® PB46 post base and are connected to the girder using a Simpson ® BC46 post cap. The distance between the top of the footing and the bottom of the girder is seven feet. The posts are equally spaced along the glue-laminated beam.
Week 4 Assignment Chapter 7 & 8 7. For the floor system shown in Figure 1, the joists are blocked over the girder and at the midpoint between the girder and the exterior wall on the joists over eight feet long. I-joists are to be used for the blocking. How many feet of I-joists are needed for the blocking? 8. Determine the number of 4-foot by 8-foot sheets of 23/32 T&G OSB sheathing that are needed to construct the floor system shown in Figure 1. 9. How many board feet of 2×4 redwood decking are needed to construct a 40-foot by 20- foot deck? The boards are to be placed with a 1/2 inch space between the boards. 10. What is the area of the roof in Figure 3? How many 4-foot by 8-foot sheets of 7/16 inch OSB are needed for the roof? What is the waste factor for this roof?
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