A simple Kingpost (or some variation) is a common truss seen in building roofs. Using your...
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A simple Kingpost (or some variation) is a common truss seen in building roofs. Using your truss kits, construct a model of the truss shown below. We'll start by propping it up on wooden blocks (modeled as a roller and pin at C and B) and hanging a load from Joint D. D 1. Draw a new system free-body diagram for the truss assuming a load hung from joint D. For a real roof, what could this load represent? Remember to include the dimensions measured from your built truss. 2. How many members and joints are there in the truss? 3. Calculate the support reactions, did they change from part A? 4. Use method of sections to slice through the truss, where did you slice? Draw FBD that "expose" internal forces. 5. Using the method of sections, calculate the force in members AC, AB, and DC. State if they are in tension or compression. 6. Are there any zero force members? 7. Replace members AC and DC with load cells to confirm your calculations. 8. What experimental values do you measure, and how do these measurements compare to your calculations? A simple Kingpost (or some variation) is a common truss seen in building roofs. Using your truss kits, construct a model of the truss shown below. We'll start by propping it up on wooden blocks (modeled as a roller and pin at C and B) and hanging a load from Joint D. D 1. Draw a new system free-body diagram for the truss assuming a load hung from joint D. For a real roof, what could this load represent? Remember to include the dimensions measured from your built truss. 2. How many members and joints are there in the truss? 3. Calculate the support reactions, did they change from part A? 4. Use method of sections to slice through the truss, where did you slice? Draw FBD that "expose" internal forces. 5. Using the method of sections, calculate the force in members AC, AB, and DC. State if they are in tension or compression. 6. Are there any zero force members? 7. Replace members AC and DC with load cells to confirm your calculations. 8. What experimental values do you measure, and how do these measurements compare to your calculations?
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Related Book For
Financial management theory and practice
ISBN: 978-1439078099
13th edition
Authors: Eugene F. Brigham and Michael C. Ehrhardt
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