How to reduce the ventilation resistance of the roadway?


To reduce the ventilation resistance of the roadway, the following methods can be adopted:

First, brush the large well section, use multiple lanes for parallel ventilation; use round or arched section of the roadway; ensure that the wall of the well is smooth; reduce the wind speed of the roadway; use partition ventilation to shorten the ventilation route.

Second, reduce the local resistance, using streamlined or approximately streamlined ventilation structures; the roadway connections of different sections should be smooth, and the wind deflector guiding the wind flow can be used.

Third, remove the accumulations and debris in the well lane, and make the permanent frontal resistance into a streamlined or approximately streamlined shape to reduce the frontal resistance.

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