TAILIEUCHUNG - Problem W - Simple Beam With Trapezoidal Loads

Determine midspan deflection of beam. Ignore the self weight of the beam. Create the model as follows: 1. From the File menu, choose New Model From Template. Select the Beam template in the upper left hand corner. Set the number of spans to one. 2. Define the frame section properties. 3. Apply the loads to the beam. 4. Use the Divide Frames option in the Edit Menu to break the beam into two elements with a joint at the center. | Problem W Simple Beam With Trapezoidal Loads Steel E 29000 ksi Poissons Ratio Beam W21X50 To Do Determine midspan deflection of beam. Ignore the self weight of the beam. Create the model as follows 1. From the File menu choose New Model From Template. Select the Beam template in the upper left hand corner. Set the number of spans to one. 2. Define the frame section properties. 3. Apply the loads to the beam. 4. Use the Divide Frames option in the Edit Menu to break the beam into two elements with a joint at the center. Note Our intent is that you try this problem on your own first. After you have solved it on your own you can step through our solution if desired. If you have problems trying to create the model then follow the steps in our solution. 1 Problem W Solution 1. Click the drop down box in the status bar to change the units to kip-ft. Kip-ft 30 2. 3. 4. From the File menu select New Model From Template. This displays the Model Templates dialog box In this dialog box click on the Beam template dialog box In this dialog box button to display the Beam Type 1 in the Number of Spans edit box Type 30 in the Span Length edit box Click the OK button 5. Click the X in the top right-hand corner of the 3-D View window to close it. 6. Click the drop down box in the status bar to change the units to kip-in. Kip-in 30 7. From the Define menu select Materials. to display the Define Materials dialog box. 8. Click on STEEL in the Materials area to highlight select it and then click the Modify Show Material button. The Material Property Data dialog box is displayed. 9. In this dialog box Verify 29000 is entered in the Modulus of Elasticity edit box. Verify .3 is entered in the Poisson s Ratio edit box. Accept the other default values. Click the OK button twice to exit all dialog boxes. 10. Click the drop down box in the status bar to change the units to kip-ft. Kip-ft 30 11. From the Define menu select Static Load Cases. to display the Define Static Load Case Names .

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