C R O S S S E C T I O N S

PROF. ADNAN QADIR

EAGLE POINT TUTORIAL

CROSS SECTION

EXTRACT CROSS SECTION

TYPICAL CROSS SECTION

CROSS SECTION

• Goto “Cross section” menu= > select “Manage Surface”.

• Goto “Design” tab=> click “New Surface”.

• Give name of surfaces and type “Normal”.

• Create following surface. • Pavement

• Close Manage Surface window

• Goto Cross Section menu=> select “Extract Cross Section”

• Give “Begin Station and End Station” and other Options such as Stationing interval.

• Click “OK”

• Check “Extract” of “Orig_Surface”.

• Give “Corridor Edges”

• Marks Stations, it gives the require station for extraction. (marked all stations).

• Click “OK” it will create cross section information (cuts & fills).

CROSS SECTION

• Goto “Cross Section”=> select “Edit Cross Section

Data”. It will shows the Cross section data or extracted

surface.

• Close this window.

DRAWING TYPICAL CROSS SECTION

• Goto “typical Cross Section” => Select “Manage Typical Section”=> click “New Typical Section”

• Give name and Description and click “OK”

• Now goto Typical Section=> select “Construction Typical Section”. A new window will appear.

• Select Typical section which defined in previous step and click on “Precision Input”

• In AutoCAD a new file appear. Here you have to draw a cross section of Highway Road. It will be done by draw section on AutoCAD or by using Precision Input Commands.

TYPICAL CROSS SECTION

• By using Precision Input Commands, 1st select a Starting point by clicking this button.

• Click on Intersection point of Cross lines on AutoCAD drawing, and press enter. Now have to construct cross section by “Precision Inputs”.

• The commands have to put here.

• These are the commands available to construct the typical section. Type the command on the second line and hit the Enter key. The window will ask you for the information needed based on the command. Keep using the Enter key, do not close this window. The typical section has to be created in a continuous way beginning at the crosshair point on the drawing. You have to draw only half of the section. RoadCalc can create a mirror image for the other side.

TYPICAL CROSS SECTION

• Example, to draw the following cross-section:

• 2-lane undivided highway

• 3.6 m lanes, 2% crown, side slope ,2:1, Depth=0.5 m

TYPICAL CROSS SECTION

• Start by clicking the moving crosshair to identify the starting point of the typical section on the drawing, type 1 for the PT code and hit Enter key. This code will establish the centerline of the alignment.

• For the next point, type dXS and hit Enter, type 3.6 and hit Enter, type -2 and hit Enter. This will draw a line 3.6m wide with a -2% slope. The code will identify the end point as the end of the pavement. Pt code 0

• For the next point, type dXH and hit Enter, type 7.2 and hit Enter, type -2/1 and hit Enter. This will draw a line side slope with a -2:1 ratio. The code will identify the end point as the end of the pavement, PT code 0

• For the next point, type dXdy and hit Enter, type -10.8 and hit Enter, then type 0 and hit Enter. This will draw a straight line side enter PT code 0

• After completing these steps “Mirror the Typical Section Right to Left” by clicking this button.

TYPICAL CROSS SECTION

• Click “Define Typical Section”

• A new window will appear

• Select particular layer such as Pavement and click “Define” button.

• After clicking “Define” button the AutoCAD drawing will appear Click within close boundary of particular layer which have to define

• This completes your drawing of typical cross section in Road Calc