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

©2009 Bentley Systems, Incorporated

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Tunnel Planning stage

• MicroStation XM : Level Transparency

©2009 Bentley Systems, Incorporated

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Existing Tunnel Survey – Data Collector

©2009 Bentley Systems, Incorporated

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

©2009 Bentley Systems, Incorporated

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Proposed Tunnel Sections

• Simple, efficient design

©2009 Bentley Systems, Incorporated

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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

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Tunnel N

etw

ork

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Tunnel N

etw

ork

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Existing Tunnel Survey – Scanner

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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

©2009 Bentley Systems, Incorporated

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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

Existing Tunnel Survey – Scanner

©2009 Bentley Systems, Incorporated

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ProjectWise Navigator

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Existing Tunnel Survey – Scanner

• Approximately 450,000 points in 40 meters of tunnel

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Tunnel S

urface

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Designed Tunnel Sections

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Designed Tunnel Sections

©2009 Bentley Systems, Incorporated

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Existing Tunnel Survey – Scanner

©2009 Bentley Systems, Incorporated

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High Speed Rail Projects

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High Speed Rail Projects

©2009 Bentley Systems, Incorporated

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High Speed Rail Projects

©2009 Bentley Systems, Incorporated

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High Speed Rail Projects