Publications Routes/Roads Road tunnel operations
This page lists Routes/Roads articles of PIARC in the field of road tunnel operations. These publications are classified chronologically.
The RAMS-Approach for Road Tunnel Operations
There are several ways to optimize life cycle performance whilst maintaining the required level of road tunnel safety. One possible approach is based on monitoring the Reliability, Availability, Maintainability and Safety (RAMS) of systems, based on pre-defined requirements. This methodology has been extensively used in many industries (Military, Aerospace, Chemical, etc,). In the transport sector, it was first used in the railway industry, but can easily be adapted to road transport, including [...]
Air Velocities Permitted in Road Tunnels, and Other Requirements for a Safe Escape Route in Case of Fire
In The Netherlands tunnels are usually equipped with an escape gallery between tunnel tubes, to support evacuation in case of a tunnel fire and/or an incident involving dangerous goods. Overpressure ventilation prevents the smoke from entering the gallery, when emergency exit doors are opened. The article deals with the acceptable air velocity in the escape route and shows the results of tests organized with over a hundred test persons in an actual tunnel.
Effectiveness of Risk Mitigation Measures for Road Tunnels
The article provides a survey of risk mitigation measures, describes their effectiveness and gives some indication of their possible quantitative influence.
Alternative Fuels and the Future of Road Tunnels and Road Tunnel Design
This article explores changes that will result from the use of alternative fuels in road tunnels (and potential consequences regarding events occurring in road tunnels).
Safety Impact of the Physical and Fluid-Dynamic Lengths of a Tunnel
This article focusses on the safety impact of partially open sections, built just before or after the "physical tunnel" . The article provides some scenarios to which the calculation method can be applied.
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