Divide Frames
Bridge Loads
Output Stations
Click the File menu > New Model command to access the New Model form.
Click the drop-down
list to set the units to 
.
Click on the 2D Frame button 
to access the
2D Frames
form. In that form:
Select Portal from the 2D Frames Type drop-down list.
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 + (plus) symbol beside the Beams or Columns drop-down list to access the Frame Properties form.
Click the Add New Property button to access the Add Frame Section Property form.
In the Frame Section Property Type drop-down list, select Other.
Click the General button to access the Property Data form.
Type 40 in the Cross Sectional (Axial) Area edit box.
Type 400 in the Moment of Inertia About 3 Axis edit box.
Type 30 in the Shear Area in 2 Direction edit box.
Click the OK button to access the General Section form. In that form:
Type COLUMN in the Section Name edit box.
Click the + (plus) symbol beside the Material drop-down list to access the Define Materials form.
Click the Add New Material Quick button to access the Quick Material Definition form.
Select Concrete in the Material Type drop-down list.
Select f'c 6000 psi in the Specification drop-down list.
Click the OK button to return to the Define Materials form.
Highlight the 6000Psi definition in the Materials display list and click the Modify/Show Material button to access the Material Property Data form.
Change
the Units to 
.
Type 5000 in the Modulus of Elasticity edit box.
Type 0.2 in the Poisson's Ratio edit box, if ti is not already entered.
Click the OK buttons on the Material Property Data and Define Materials forms to return to the General Section form.
Ensure that the 6000Psi definition is selected in the Materials drop-down list.
Click the OK button on the General Section form to return to the Frame Properties form.
On the Frame Properties form, click the Add New Property button to access the Add Frame Section Property form.
In the Frame Section Property Type drop-down list, select Other.
Click the General button to access the Property Data form.
Type 35 in the Cross Sectional (Axial) Area edit box.
Type 500 in the Moment of Inertia About 3 Axis edit box.
Type 12 in the Shear Area in 2 Direction edit box.
Click the OK button to access the General Section form. In that form:
Type GIRDER in the Section Name edit box.
Ensure that the 6000Psi definition is selected in the Materials drop-down list.
Click the OK button on the General Section and Frame Properties forms to return to the 2D Frames form.
Select the GIRDER section in the Beams drop-down list. Select the COLUMN section in the Columns drop-down list.
Click the OK button to close the 2D Frames form and display the template model in the program windows.
Click the “X” in the top right-hand corner of the 3-D View window to close it.
Click the Set Display Options button 
(or
the View menu > Set Display Options
command) to access the Display Options for Active
Window form. In that form:
Check the Labels box in the Joints area.
Check the Labels box in the Frames/Cables/Tendons area.
Click the OK button.
Select line (column) objects 1 and 4. Press the delete key on the keyboard to delete these objects.
Select joints 2, 3, 5 and 8.
Click the Assign menu > Joint > Restraints command to access the Joint Restraints form. In that form:
Verify that the Translation 1, 2 and 3 check boxes are checked. If they are not checked, check them.
Click the OK button.
Select joint 5.
Click the Edit menu > Move command to access the Move form. In that form:
Type 20 in the Delta Z edit box.
Verify that 0 is entered in the Delta X and Delta Y edit boxes.
Click the OK button.
Select line (frame) objects 5, 6 and 7.
Click the Edit menu > Edit Lines > Divide Frames command to access the Divide Selected Frames form.
Verify
that the form appears as shown in the figure and click the OK
button.
Select line objects 8 through 13 (i.e., the girder objects).
Click the Assign menu > Frame > Output Stations command to access the Assign Output Station Spacing form. In that form:
Type 3 in the Min Number Stations edit box (this gives 2 segments).
Click the OK button.
Click the Show Undeformed Shape button 
to
remove the displayed output stations assignments and clarify the view
of the line object labels.
Click the Define menu > Bridge Loads > Lanes command to access the Define Lanes form. In that form:
Click the Add New Lane Defined From Frames button to display the Lane Data form. In that form:
Accept the default Lane Name, LANE1.
Type 8 in the Frame edit box.
Type -6 in the Centerline Offset edit box.
Click the Add button.
Type 9 in the Frame edit box.
Click the Add button.
Type 10 in the Frame edit box.
Click the Add button.
Type 11 in the Frame edit box.
Click the Add button.
Type 12 in the Frame edit box.
Click the Add button.
Type 13 in the Frame edit box.
Click the Add button.
Click the OK button to return to the Define Lanes form.
In the Define Lanes form:
Click the Add New Lane Defined From Frames button to access the Lane Data form. In that form:
Accept the default Lane Name, LANE2.
Type 8 in the Frame edit box.
Type 6 in the Centerline Offset edit box.
Click the Add button.
Type 9 in the Frame edit box.
Click the Add button.
Type 10 in the Frame edit box.
Click the Add button.
Type 11 in the Frame edit box.
Click the Add button.
Type 12 in the Frame edit box.
Click the Add button.
Type 13 in the Frame edit box.
Click the Add button.
Click the OK buttons on the Lane Data and Define Lanes forms to exit all forms.
Click the Define menu > Bridge Loads > Vehicles command to access the Define Vehicles form. In that form:
In the Choose Vehicle Type to Add area, click the drop-down list and select Add Standard Vehicle. Click the Add Vehicle button to access the Standard Vehicle Data form. In that form:
In the Data Definition area, select HSn-44 in the Vehicle Type drop-down list.
Type 20 in the Scale Factor edit box if it is not already entered.
Click the OK button to return to the Define Vehicles form.
Click the Add Vehicle button to access the Standard Vehicle Data form. In that form:
In the Data Definition area, select HSn-44L in the Vehicle Type drop-down list.
Type 20 in the Scale Factor edit box if it is not already entered.
Click the OK buttons on the Standard Vehicle Data and Define Vehicles forms to exit all forms.
Click the Define menu > Bridge Loads > Vehicle Classes command to access the Define Vehicle Classes form. In that form:
Click the Add New Class button to access the Vehicle Class Data form. In that form:
Accept the default Vehicle Class Name, VECL1
Verify that HSn-44-1 is in the Vehicle Name drop-down list.
Type 1 in the Scale Factor edit box if it is not already entered.
Click the Add button.
Select HSn-44L-1 in the Vehicle Name drop-down list.
Click the Add button.
Click the OK buttons on the Vehicle Class Data and Define Vehicle Classes forms to exit all forms.
Click the Define menu > Bridge Loads > Bridge Responses command to access the Bridge Response Requests form. In that form:
Verify that the Exact option is selected in the Method of Calculation area.
Click the OK button.
Click the Define menu > Analysis Cases command to access the Analysis Cases form. In that form:
Click the Add New Case button to access the Analysis Case Data form. In that form:
Type MOVE1 in the Analysis Case Name edit box.
Select Moving Load from the Analysis Case Type drop-down list.
In the Loads Applied area verify that VECL1 shows in the Vehicle Class drop-down list and click the Add button.
Click the OK buttons on the Analysis Case Data and Analysis Cases forms to exit all forms.
Note: The joint labeled A in the problem statement is labeled 10 on the screen.
Click the Set Display Options button (or
the View menu > Set Display Options
command) to access the Display Options for Active
Window form. In that form:
Uncheck the Labels box in the Joints area.
Uncheck the Labels box in the Frames/Cables/Tendons area.
Click the OK button.
Click the Analyze menu > Set Analysis Options
command to access the Analysis Options
form. In that form click the Plane Frame XZ Plane
button 
to set the available degrees of freedom.
Click the OK button.
Click the Run Analysis button 
to display
the Set Analysis Cases to Run form.
In that form:
Highlight (select) MODAL in the Case Name list and click the Run/Do Not Run Case button.
Verify that the DEAD and MOVE1 analysis cases are set to Run in the Action list.
Click the Run Now button to run the analysis.
When the analysis is complete, check the messages in the SAP Analysis Monitor window (there should be no warnings or errors) and then click the OK button to close the window.
Click the Display menu > Show Influence Lines/Surfaces command to display the Show Influence Line form. In that form:
In the Plot Influence Line for This Element Type area, select the Joint option.
Select LANE1 from the Select One or More Lanes list.
Select the Plot Along Lane Center Line option in the Plot Parameters area of the form.
Type 10 in the Joint Label edit box in the Plot Influence Line for this Object area on the right half of the form.
In the Joint Result Type area, select the Displacement option if it is not already selected.
In the Component area, select the U3 option (vertical displacement).
Click the OK button to display the influence line.
Note: This influence line is constructed with three output stations specified for the girder objects. Points for the influence line are calculated at each output station. These points are then connected by straight lines.
Click the Display menu > Show Forces/Stresses > Frames/Cables command to access the Member Force Diagram For Frames form. In that form:
Select MOVE1 from the Case/Combo Name drop-down list.
In the Component area select the Moment 3-3 option.
Select the Show Values On Diagram option.
Click the OK button to display the moment diagram.
Note: This moment diagram is constructed with two output segments specified for the girder objects. Points for the moment diagram are calculated at each output station. These points are then connected by straight lines. The segments are clearly displayed in the moment diagram.
Click the Lock/Unlock Model button 
and
click the resulting OK button to unlock
the model.
Select line objects 8 through 13 (i.e., the girder objects).
Click the Assign menu > Frame > Output Stations command to access the Assign Output Station Spacing form. In that form:
Type 11 in the Min Number Stations edit box.
Click the OK button.
Click the Show Undeformed Shape button to
remove the displayed output station assignments.
Click the Run Analysis button to display
the Set Analysis Cases to Run form.
In that form:
Click the Run Now button to run the analysis.
When the analysis is complete, check the messages in the SAP Analysis Monitor window (there should be no warnings or errors) and then click the OK button to close the window.
Click the Display menu > Show Influence Lines/Surfaces command to display the Show Influence Line form. In that form, ensure that the Plot Along Lane Center Line option is selected and click the OK button to display the influence line.
Note: This influence line is much smoother than the previous one.
Click the Display menu > Show Forces/Stresses > Frames/Cables command to access the Member Force Diagram For Frames form. In that form, click the OK button to display the moment diagram.
Note: This moment diagram is much smoother than the previous one.