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**Q1:**but mainly covers the subjects of beam design, axial forces and combined bending and axial forces, wood structural panels, diaphragms, and shearwalls as discussed in Chapters 6, 7, 8, 9, and 10 of the textbook as well as relevant material in the 2018 NDS, NDS Supplement and 2015 SDPWS. Should you need to consult the IBC at some point, the 2018 Edition should be used. Free access to 2018 IBC online version at https://codes.iccsafe.org/content/IBC2018P4. Refer to sources of where you obtain any information needed to work these problems and show all your work. Work all problems in ASD. Grading: Name Problems 6 and 7 = 2 points each Problems 2, 3, 4, and 8 = 3 points each Problem 1 = 4 points each Problem 5 = 5 points Bonus problem = 3 points each 1. Given: Find: 2. Given: The beam in the figure below has the compression side of the member supported laterally at the ends and the quarter points. The span length L=24 ft. The member is glulam 3-1/8 x 16-1/2 20F-V7 DF. The load is a combination of D+L. Cand Care all equal to 1.0. a. b. L The maximum allowable bending moment in ft-kips. The corresponding allowable load, P, in kips. 4/1/2 Floor joists supporting a wood structural panel floor deck are spaced at 24 inches on center. The panels are oriented with their strong direction perpendicular to the supporting joists and are continuous over two or more spans. Underlayment, %-in thick, is to be applied over the C. 1 sheathing. The floor dead load is 10 psf and the floor live load is 50 psf. The total load deflection is to be less than or equal to L/360. Using the allowable span and load tables in the 2018 IBC: Find: a. b. Is Table 2304.8(3) or 2304.8(5) applicable in designing the wood structural panel deck? What minimum span rating and thickness is required for wood structural panel sheathing? Do the continuous edges require support?See Answer**Q2:**Assessment task 3: Timber design- Design of a bolted truss connection An exposed roof truss is to be fabricated from kiln-dried Blackbutt for a restaurant in Bathurst, NSW. A sketch of the truss geometry is shown in Figure below. The truss is one of a number of trusses supporting 20 m² of roof that will be fabricated from stained seasoned hardwood and connected with galvanised bolts. The architect is keen to express the structural form. An analysis of connection load cases indicates that the critical loads for the strength limit state will be the construction imposed load combination: Nominal permanent load G = 9 KN axial compression in the top chord and Nominal imposed load Q = 9 KN (with a duration of load of 5 days) axial compression in the top chord Using 140 x 45 mm timber for the top chord and two 140 x 35 mm pieces for the bottom chord, design a bolted heel connection using M12 bolts. (The heel connection is at the junction of the top chord and the bottom chord (see Figure (a) below) and is supported by the wall top plate.) Inclined member, top chord Heel joint Horizontal member - bottom chord - 2 x 140 x 35 (a) Roof truss Inclined member, top chord Bolt force 30 Design load in top chord Horizontal member, bottom chord (c) Forces on connection Inclined member, top chord, 140 x 45 Horizontal member, bottom chord - 2 x 140 x 35 (b) Detail of connectionSee Answer**Q3:**Assessment task 3: Timber design- Design of a bolted truss connection An exposed roof truss is to be fabricated from kiln-dried Blackbutt for a restaurant in Bathurst, NSW. A sketch of the truss geometry is shown in Figure below. The truss is one of a number of trusses supporting 20 m² of roof that will be fabricated from stained seasoned hardwood and connected with galvanised bolts. The architect is keen to express the structural form. An analysis of connection load cases indicates that the critical loads for the strength limit state will be the construction imposed load combination: Nominal permanent load G = 9 KN axial compression in the top chord and Nominal imposed load Q = 9 KN (with a duration of load of 5 days) axial compression in the top chord Using 140 x 45 mm timber for the top chord and two 140 x 35 mm pieces for the bottom chord, design a bolted heel connection using M12 bolts. (The heel connection is at the junction of the top chord and the bottom chord (see Figure (a) below) and is supported by the wall top plate.) Inclined member, top chord Heel joint Horizontal member - bottom chord - 2 x 140 x 35 (a) Roof truss Inclined member, top chord Bolt force 30 Design load in top chord Horizontal member, bottom chord (c) Forces on connection Inclined member, top chord, 140 x 45 Horizontal member, bottom chord - 2 x 140 x 35 (b) Detail of connectionSee Answer**Q4:**FIBROUS STRUCTURES ASSIGNMEMT 6x6 col. 2x12@4'-0"- O.C., typ. douglas fir larch sel. struct. -2x12@4'-0" O.C., typ. Calculate the span 2. Calculate the beam bending moment. Le=, RB= 3. Provide all the load factors. 4. What is the Bending Stress? Is this acceptable? 5. What is the Shear Stress? Is this acceptable? 6. What is the total deflection? Is this acceptable? 7. What is the live load deflection? Is this acceptable? 8. What is the bearing stress? Is this acceptable? PARTIAL PLAN FLOOR SECTION 6x6 col. A 20 foot long 6 x 12 beam supports floor joists in the interior of a residence spaced every 8 feet. Assume the DL=10 psf, LL=40 psf 1.See Answer**Q5:**A 20 foot long 6 x 12 beam supports floor joists in the interior of a residence spaced every 8 feet. Assume the DL=10 psf, LL=40 psf 1. Calculate the span. 2.Calculate the beam bending moment. Le=, RB= 3 Provide all the load factors. 4. What is the Bending Stress? Is this acceptable? 5.What is the Shear Stress? Is this acceptable? 6. What is the total deflection? Is this acceptable? 7. What is the live load deflection? Is this acceptable? 8. What is the bearing stress? Is this acceptable? See Answer

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