Roading
Chapter 25
4.
Select Define super. The SRX displays the following screen:
5.
Enter values for the following fields: Start Sta ...............Specifies the starting station (chainage) of this application. End Sta.................Specifies the end station for this application.
6.
Press {} to accept the screen.
7.
You can now specify the actual values of superelevation and widening to be applied at as many stations within the application as needed using the following screen:
Stationing..............Specifies the station to which these values are applied L super..................Specifies the superelevation to apply to the template on the left side of the road. Highlighting the L super field will display three softkeys: R super..................Specifies the superelevation to apply to the template on the right side of the road. Highlighting the R super field displays the same three softkeys presented for the L super field: L widen .................Specifies the amount of widening to add on to the elements of the template on the left hand side of the road R widen ................Specifies the amount of widening to add on to the elements of the template on the right hand side of the road Pivot......................Specifies whether the center, left or right part on the cross-section is to be held at constant elevation during the application of superelevation and widening Highlighting the R super/L super fields displays the following three softkeys: •[Horizo] - applies horizontal superelevation to the left/right side of the road •[1:] - converts a superelevation value to a ratio format (1:300) •[%] - converts the superelevation value to a percentage.
SRX
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