© 2005 Autodesk 1Autodesk Civil 3D – WW Education

AutoCAD Civil 3D 2008“How Do I…?”Sanjay Asnani, PE

© 2005 Autodesk 2Autodesk Civil 3D – WW Education

Get Started

Download the latest versionwww.Autodesk.com/edcommunity

Activate using Serial #Help > About Civil 3D > Product Information > Activate…

Click on Desktop icon “AutoCAD Civil 3D 2008” (Green color)

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AutoCAD/Civil 3D -101Tabs (Prospector/Settings)

Panning, Zooming

Command Line

Snap, Osnap Settings

Switch among Open Files

Access Data via Prospector

Access Styles via Settings

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Create a New ProjectFile > New…

Select template “_AutoCAD Civil 3D (Imperial) NCS Extended.dwt”

Give a new name to your project (e.g. Main Road Project.dwg)

Assign coordinate Zone**Settings Tab > Rt. Click > Edit Drawing Settings…Select location & coordinate zone

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Create Surface from Google EarthLaunch Google Earth (FREE version)

Select location by address or zip code

Use GE’s navigation tools

Zoom-in to get appropriate coverage

In Civil 3D, Select File > Import > Import Google Earth Image and Surface…

Select Coordinate System option or “Identify” for manual placement

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Create PointsSelect Points > Create Points…

Select Import Points option

Select Format and Source file (TXT, ASCII, CSV, etc.)

An example file: C:\Program Files\AutoCAD Civil 3D 2008\Help\Civil 3D Tutorials\Existing Ground Points - PENZD.txt

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Create Surface from PointsProspector: Surfaces > Create surface

Assign a Name

Under Surfaces > (Name) > Definition > Point Group

Rt. Click and select Add

Select _All Points

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Create Alignment-ISelect Alignments> Create Alignment by Layout…

Provide a Name, and select other settings

StationStyles

Select Curve and Spiral Settings… from Layout Tools

Type a Curve Radius Value (200’ default)

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Create Alignment-IISelect Tangent-Tangent (With Curves) option

Specify a start point, followed by other clicks on screen to define other PI points (point of intersection)

Finish the alignment by Enter or ESC keys.

Select alignment and try to modify alignment grabbing the “grips” (circular, triangular)

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Create Surface ProfilesSelect Profiles > Create Profile from Surface…

Select Alignment, Surface, and click Add>> button

Click Draw in Profile View

Follow Wizard’s Next options, followed by Create Profile View option

Select a location for bottom left corner of profile view

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Create Design Profiles-ISelect Profiles > Create Profile by Layout…

Assign nameSelect Profile and label styles

Check/Modify Default Curve settings…

Select curve typeChoose Length or K-Value as design criteria for Sag/Crest

Select Draw Tangents With Curves

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Create Design Profiles-IISelect Draw Tangents With Curves option

Specify a start point, followed by other clicks on screen to define other PVI points (point of vertical intersection)

Hit Enter or ESC keys to finish the profile

Select profile and try to modify it by grabbing the “grips” (circular, triangular)

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Create Tool Palette-ISelect Corridors > Subassembly Tool Palettes

Rt. Click > New PaletteGive a name: DesignPalette

Select Corridors > Subassembly Catalog…

Select Imperial Catalog > C3D Imperial Getting Started Subassembly Catalog

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Create Tool Palette-IILeft click and hold for a second on various components on symbol “I” and wait

Basic LaneBasic ShoulderBasic Curb and GutterBasic Side Slope Cut Ditch

With Left button held down, drag and drop above “subassemblies” on the tool palette

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Create Assembly-ISelect Corridors > Create Assembly…

Give it a Name

Left click (anywhere) on screen to define the baseline location

Screen zooms to Assembly location

Select Corridors > Subassembly Tool Palettes

Select DesignPalette tab created earlier

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Create Assembly-IILeft click BasicLane

Properties dialog box opens

Change Side parameter to Right

Left click anywhere along the “Red” line

Lane shows up right

Change Side parameter to Left and left click along Red line

Lane shows up on left

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Create Assembly-IIILeft click BasicCurbAndGutter

Properties dialog box “updates”

Change Side parameter to Right

Left click on Right Lane’s rightmost top red circle.

Curb and gutter attaches to the lane

Repeat the process:BasicCurbAndGutter (L)BasicShoulder (L & R)BasicSideSlopeCutDitch (L & R)

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Build Corridor-ISelect Corridors > Create Simple Corridor…

Give it a Name

Select Alignment, Profile, and Assembly

either graphically by clicking on themOr, by hitting Enter and then select from list.

Set Target mappingDefine a surface for side slope subassembly

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Build Corridor-IILeft click on corridor to select

Rt. Click > Object Viewer…

Experiment with different panning, zooming, rendering options

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Compute Earthwork Quantities-ILeft click on corridor to select

Rt. Click > Corridor Properties…

In Surfaces tab:Click Create a Corridor Surface (1)Specify code: Datum (2)Click “+” Add button (3)

In Boundaries tab:Rt. Click on SurfaceSelect Add Automatically > Daylight

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Compute Earthwork Quantities-IICreate Sample Lines

Select Sections > Create Sample Lines…Select corridor AlignmentName the Sample Line Group

Select By Range of Stations as sample line creation method

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Compute Earthwork Quantities-IIISelect Sections > Compute Materials…

Select corridor AlignmentName the Sample Line Group

Pick corridor alignment and sample line group

Select Earthwork quantity takeoff criteria

Map Surface1 as Existing Ground and Corridor Datum as Datum

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Compute Earthwork Quantities-IVSelect Sections > Generate Volume Report…

Select corridor AlignmentName the Sample Line Group

Pick appropriate alignment, ample line group, and material list

Volume report is displayed in Browser