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Ventilation Design System "APS-V"

Calculate the required ventilation volume for road tunnels.

The Ministry of Land, Infrastructure, Transport and Tourism calculates the required ventilation volume by corresponding to the design standards of NEXCO, setting design conditions, traffic volume, longitudinal gradient, and tunnel cross-section, and outputs the results in the form of a calculation report. Additionally, comparative calculations using past design standards can also be performed. The calculation results can be output in the form of a calculation report, and a ventilation study table summarizing the results can be exported to Microsoft Excel.

  • 2D CAD Construction

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