tailieunhanh - Problem H - Reinforced Concrete Beam

Concrete E =3600 ksi, Poissons Ratio = f ’c = 4 ksi fy = 60 ksi Concrete cover to longitudinal rebar center at top of beam = in Concrete cover to longitudinal rebar center at bottom of beam = in To Do Determine required longitudinal reinforcing steel and required shear stirrups based on ACI 318-95 | Problem H Reinforced Concrete Beam Concrete E 3600 ksi Poissons Ratio f c 4 ksi fy 60 ksi Concrete cover to longitudinal rebar center at top of beam in Concrete cover to longitudinal rebar center at bottom of beam in To Do Determine required longitudinal reinforcing steel and required shear stirrups based on ACI 318-95 wDL klf unfactored doesn t include beam weight wLL klf unfactored 24 24 18 Beam Section 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 H 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 button to display the Beam In this dialog box Accept all of the default values Click the OK button 5. Click the X in the top right-hand corner of the 3-D View window to close it. 6. From the Define menu select Materials. to display the Define Materials dialog box. 7. Click on CONC in the Materials area to highlight select it and then click the Modify Show Material button. The Material Property Data dialog box is displayed. 8. In this dialog box Verify is entered in the Weight per Unit Volume edit box. Click the OK button twice to exit all dialog boxes. 9. Click the drop down box in the status bar to change the units to kip-in. Kip-in 30 10. From the Define menu select Materials. to display the Define Materials dialog box. 11. Click on CONC in the Materials area to highlight select it and then click the Modify Show Material button. The Material Property Data dialog box is displayed. 12. In this dialog box Verify 3600 is entered in the Modulus of Elasticity edit box. Verify .2 is entered in the Poisson s Ratio edit box. Verify 60 is entered in the