Accession Number:

AD0691975

Title:

ICE LAYERS IN TUNNELS

Descriptive Note:

Corporate Author:

ARMY FOREIGN SCIENCE AND TECHNOLOGY CENTER CHARLOTTESVILLE VA

Personal Author(s):

Report Date:

1969-06-30

Pagination or Media Count:

7.0

Abstract:

Since the formation of ice layers in tunnels is due to a combination of subterranean water and cold temperature, the methods of draining such tunnels should be designed to prevent the seepage of water through the tunnel lining and to maintain an above-freezing temperature. It is therefore recommended that icing on railroad tracks in tunnels be prevented by ground fastening, the drilling of damming wells, the installation of derivation troughs as well as heating devices to maintain a warm temperature.

Subject Categories:

  • Snow, Ice and Permafrost
  • Surface Transportation and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE