Modeling Tunnels with Roadway Designer & Bentley Rail Track

©2009 Bentley Systems, Incorporated

Edmundo Herrera, P.E.

Bentley Systems, Inc.

Modeling Tunnels with Roadway Designer & Bentley Rail Track


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Tunnel Planning stage

• MicroStation XM : Level Transparency


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Existing Tunnel Survey – Data Collector


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Existing Tunnel Survey – Data Collector• True modeling and volumetrics from data collector (InRoads & MStation)


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Proposed Tunnel Sections

• Simple, efficient design


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Proposed Tunnel Modeling


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Proposed vs Existing Tunnel Sections , Multi-discipline model


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Proposed vs Existing Tunnel Sections , Multi-discipline model

© 2009 Bentley Systems, Incorporated

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Tunnel N

etw

ork


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Tunnel N

etw

ork


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Existing Tunnel Survey – Scanner




Bentley Rail Track

Scanned Tunnels

Objectives:

- Compute Cut/Fill differences between existing & proposed sections

- Compute Volumes between surfaces

- Compute critical Cut/Fill areas

- Report generation on critical areas



Tunnel Survey

CYRAX Scanner

Model Visualization using MicroStation and Bentley

Rail Track

Cross Section Surface

Generation using

Bentley Rail Track

ASCII file created by Scanner and imported to suraces using Bentley Rail

Track

Surface Extension using new Bentley Rail Track Commands




ProjectWise Navigator




• Approximately 450,000 points in 40 meters of tunnel


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Tunnel S

urface



Designed Tunnel Sections



Designed Tunnel Sections






High Speed Rail Projects










Documents

Modeling Tunnels with Roadway Designer & Bentley Rail Track