TAILIEUCHUNG - Problem R - Bridge With Moving Load

Set the number of ouput segments for girder elements to 2. Review the moving load influence line for vertical displacement at joint A in Lane 1. Review the moving load girder M33 moments in Lane 1. Set the number of ouput segments for the girder elements to 10. Review the same influence line and moments. | Problem R Bridge With Moving Load Concrete Material Properties E 5000 ksi Poissons Ratio Member Properties Column A 40 ft2 I 400 ft3 AS 30 ft2 Moving Load Number of Lanes 2 Girder A 35 ft2 I 500 ft3 AS 12 ft2 Lane 2 Centerline Frame Elements Centerline Lane 1 Centerline Check for worst case of HS20-44 truck load and HS20-44L lane load applied to each lane simultaneously. Use the Exact method of calculation. To Do Set the number of ouput segments for girder elements to 2. Review the moving load influence line for vertical displacement at joint A in Lane 1. Review the moving load girder M33 moments in Lane 1. Set the number of ouput segments for the girder elements to 10. Review the same influence line and moments. 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 R Solution 1. Click the drop down box in the status bar to change the units to kip-ft. Kip-ft 30 2. 3. From the File menu select New Model From Template. This displays the Model Templates dialog box In this dialog box click on the Portal Frame template Portal Frame dialog box button to display the 4 In this dialog box Type 1 in the Number of Stories edit box Type 3 in the Number of Bays edit box Type 70 in the Story Height edit box Type 100 in the Bay Width edit box Uncheck the Restraints check 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 Set Elements button 0 on the main toolbar or select Set Elements. from the View menu to display the Set Elements Dialog box 7 In this dialog box Check the Labels box in the Joints area Check the Labels box in the Frames area Click the OK button 8 Select column elements 1 and 4 Press the delete key on the keyboard to delete these elements 9 Click the Refresh Window button to refresh the drawing 10 Select joints

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