modeling tunnels with roadway designer & bentley rail track

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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

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Tunnel Network

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Tunnel Network

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Existing Tunnel Survey – Scanner

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Existing Tunnel Survey – Scanner

Bentley Rail Track

Scanned TunnelsObjectives:

- Compute Cut/Fill differences between existing & proposed sections

- Compute Volumes between surfaces- Compute critical Cut/Fill areas- Report generation on critical areas

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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

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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 Surface

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Designed Tunnel Sections

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Designed Tunnel Sections

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Existing Tunnel Survey – Scanner

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High Speed Rail Projects

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High Speed Rail Projects

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High Speed Rail Projects

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High Speed Rail Projects