tailieunhanh - Problem X - Through Truss Bridge

Tham khảo tài liệu 'problem x - through truss bridge', kỹ thuật - công nghệ, kiến trúc - xây dựng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Problem X Through Truss Bridge Steel E 29000 ksi Poissons Ratio All members are W6X12 Fy 36 ksi Concrete Bridge Deck E 3600 ksi Poissons Ratio 12 inches thick Live Load 250 psf To Do Review steel member stresses due to self weight plus live load. Use AISC-ASD89. 12 12 12 12 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 X 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 Vertical Truss template Vertical Truss dialog box button to display the 4 In this dialog box Accept the default number of bays 3 Accept the default Height of Truss 12 Accept the default Truss Bay Length 12 Click the OK button 5 Click the Select All button Bl on the side toolbar to select all elements 6 From the Edit menu select Replicate. to display the Replicate dialog box 7 In this dialog box Verify the Linear Tab is selected In the Distance area type 12 in the Y edit box Verify that 0 is entered in the X and Z edit boxes Verify that 1 is entered in the Number edit box Click the OK button to proceed with the replication 8 From the Draw menu select Edit Grid. to display the Modify Grid Lines dialog box 9 In this dialog box Select the Y option in the Direction area Type 12 in the Y Location edit box and click the Add Grid Line button Click the OK button 2 10. Click in the window titled X-Z Plane @ Y 0 to activate it. The window is activated when its title bar is highlighted. 11. Click the xy 2D View button i. to change the view to an X-Y plan. Note that the title of the window changes to X-Y Plane @ Z 12. The screen appears as shown in Figure X-1. Figure X-1 View of Screen After Step 11 12. Click the Quick Draw Frame .