Project 2 - Lane National Highway Roadway Design in Civil 3D

1. Creation of surface.
2. Alignment & profile design.
3. Creation of assembly & subassembly.
4. Corridor development.
5. Section line & detail cross section.

Answer: 1. CREATION OF SURFACE :

a. BY LAND XML FILE :

• To create surface , Click Home Tab > Create ground data panel > Surface menu > Create surface
• The survey can be imported using that data
• Software generates automatic triangulation from nearby data points and generates 3D surface
• Right click on triangulation, we can change the style to BORDER..
• From Geolocation , we can on the aerial view of the location

b. BY COUNTOUR LINE :

• To create surface, Click home tab > click open > open SL CONTOUR DATA > copy whole contour data from SL CONTOUR DATA > paste it with original coordinate in drawing 01
• Create survey surface and copy whole contour data
• Change the style with right click on line from triangulation to border
• Lay off all the contour for further design

2.a. ALIGNMENT DESIGN :

• To create alignment, click on alignment menu bar > Create alignment by layout > Modify name then ok > Alignment lay out tool will open
• Select, line (fixed line two points )
• Draw the first line and second line in interval
• Select spiral curve ( spiral- curve - spiral )
• Select two entities ( in which spiral curve will install )
• Create offset by command bar of 15 m interval in both side

2.b. PROFILE DESIGN :

• To create profile, Click on profile menu bar > Create profile from surface > Select NH > Select Survey surface > Add > Draw in profile view > Modify profile view name > Profile view style (10x Exaggeration ) >set station range > Profile view height > Specific profile display option > Select band set > Profile hatched option
• Create profile from surface > Sample offset > Add
• Draw tangent from first point to last point
• Install PVI
• Install free vertical curve parabola
• Raise the PVI (for economy purpose )
• Change profile view properties

3. ASSEMBLIES AND SUBASSEMBLIES :

• To create assemblies, Click on corridor menu bar > Modify name > Place the assembly by clicking right > select the line of assembly > tool plates > lane > modify the assembly parameters > create paved shoulder > modify paved shoulder parameters > create earthen shoulder > modify the earthen shoulder parameters
• Create secondary road half section > modify its parameters > mirror it to the second side

4. CORRIDOR :

• To create the corridor, click on corridor menu bar > Modify name > Modify assembly > Modify target surface
• Change the corridor properties
• Corridor will install

5.a. SECTION AND MATERIAL COMPUTATION :

• To create sample line, click on section menu bar > create sample line > modify name > modify properties > install sample lines
  
• To find material, click on material computation > modify properties > again click on material computation > modify properties > generate volume report (in excel sheet )

5.b. CROSS SECTION :

• To create cross section, Click on section menu bar > Create multiple section view >Modify general properties > Modify section placement > Modify offset range > Modify Elevation range > Modify section display option > Modify data bands > modify section views table > type (material) > add > Create section views .