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CI4678

Tunnel design using AutoCAD ® Civil 3D ®Tomáš LendvorskýAEC Solution Engineer - CHS Countries

Roland KlementAEC Solution Engineer – Central Europe

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Where do I come from?

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Where do I come from?

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Interesting facts

Did you know? The World's oldest underwater tunnel is rumored to be the Terelek kaya

tunnel under Kizil river, in Turkey, estimated to be built more than 2000 years ago (possibly 5000)

The Delaware Aqueduct in New York is the longest tunnel, of any type, in the world at 137 km (85 mi), drilled through solid rock

The Seikan Tunnel in Japan is the longest undersea rail tunnel in the world at 53.9 km (33.5 mi), of which 23.3 km (14.5 mi) is under the sea

(source – www.wikipedia.com)

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Alignment

Alignment Creation Tools Fix, Floating, Free entities Create offset Alignments offset for Acad primitives Export to LandXML, exchange settings

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Profile

Profile Creation Tools Create Master Alignment Profile view Design profile Create Superimposed Profile

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Geological layersGeologists supplied written profile of each GL

Create Profile from file Use Data Shortcuts Create auxiliary Corridor

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Data Shortcuts

Auxiliary objects – Corridor, Surface - will be created in separate drawings Reduces drawing size Keeps dynamic connection

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Geological layersBorehole data available

Borehole importer:- import borehole data and create surfaces

Possibility to create GL, passing GL info and following EG

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SubassemblyFrom polyline

Create assembly Create subassembly from polyline Add Codes for Top and Bottom of the tunnel Codes Set style (import codes define styles)

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Recreate geometry in SAC Dynamic Subassembly

SubassemblySubassembly Composer

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Corridor

Create Corridor Edit station range Create Corridor Surfaces Drive on alignment Correct corridor - Overhang Correction and Add as Breakline

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Sample Lines and Section Views

Sample Lines Section Views

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Volumetric Calculation

Define different Materials Use Subcriteria Material Volume Table

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Intersection of Tunnel and EG

Intersection of Tunnel and EG (portal) Minimum Distance between Surfaces Daylight 3D Polyline of both side of the tunnel

Top and Bottom surface

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Construction pit

Different methods to create pit Define pit bottom elevations Create Feature line Surface Label Grading Creation Tools

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Method 1

From bottom Obtuse angle – rounded shape Sharp angle – sharp shape

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Method 2

From top Obtuse angle – sharp corner Sharp angle – obtue corner

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Method 3

Grading separatly each line Explode Acad command Chamfer All corners sharp

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Thank you!

Please fill survey

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Autodesk, AutoCAD* [*if/when mentioned in the pertinent material, followed by an alphabetical list of all other trademarks mentioned in the material] are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders. Autodesk reserves the right to alter product and services offerings, and specifications and pricing at any time without notice, and is not responsible for typographical or graphical errors that may appear in this document. © 2011 Autodesk, Inc. All rights reserved.