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Chapter 11, Problem 36P

For Problems 11.11, 11.12, and 11.13, calculate the U-factors.

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1. Use the unit displacement approach to develop the structural stiffness matrix for the structure shown in Figure 1, assuming that the axial stiffness of all three members are ΑΕ AE AE identical, i.e. (^)₁ = (^)₂ = (^) 3 = 150k/in. Then report the force-displacement matrix 1 L 2 equation that you need to solve to calculate the joint displacements. Partition the matrix equation based on unconstrained and restrained degrees of freedom, and highlight the components Fu, Rr, Au, Ar, Kuu, Kur, Kru and Krr. In this equation, show the constraints on Ar. Note a. All members are axial members so only horizontal DOFs are to be considered. b. Only showing the matrix equation will suffice for the final part. No need to solve for unknown displacements and reactions. However, feel free to compute them 20 k 1 2 20 k 3 3 2 4 L L Figure 1
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GANTT CHART Task Actual Actual R Mode Task Name Duration Start Start Finish Finish Predecessors Successors 79 Install Brick Veneer 1 day? NA Mon 1/6/25 NA Mon 1/6/25 exterior walls 80 Fill all voids around 1 day? NA Mon 1/6/25 NA Mon 1/6/25 glazing system perimeter with mineral wool insulation 81 Install cont acoustical 1 day? NA Mon 1/6/25 NA Mon 1/6/25 sealant all all adjacent walls/ and top/bottom of gypsum board assembly walls to floor/deck 82 Install all exterior windows and doors 1 day? NA Mon 1/6/25 NA Mon 1/6/25 83 Install stairs, ramps, 1 day? NA Mon 1/6/25 NA Mon 1/6/25 and walkways in entrances 84 85 86 87 rrrr Install handrails 1 day? NA Mon 1/6/25 NA Mon 1/6/25 Interior Work 1 day? NA Mon 1/6/25 NA Mon 1/6/25 Install Ceiling Grid 1 day? NA Mon 1/6/25 NA Mon 1/6/25 Electrical Rough in in Walls 1 day? NA Mon 1/6/25 NA Mon 1/6/25 88 Drywall and Finishes, 1 day? NA Mon 1/6/25 NA Mon 1/6/25 install interior walls and drywall 89 Install finish flooring 1 day? NA Mon 1/6/25 NA…

Chapter 11 Solutions

WebAssign Homework Only for Moaveni's Engineering Fundamentals: An Introduction to Engineering, SI Edition, 6th Edition, [Instant Access]

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