Accession Number:

AD0691971

Title:

UNLOADING AND HEATING OF NON-METALLIC CONSTRUCTION MATERIALS UNDER WINTER CONDITIONS,

Descriptive Note:

Corporate Author:

ARMY FOREIGN SCIENCE AND TECHNOLOGY CENTER WASHINGTON D C

Personal Author(s):

Report Date:

1969-02-05

Pagination or Media Count:

183.0

Abstract:

The freezing of bulk construction materials such as sand, gravel, cement, etc. in rolling stock and storage piles is a great problem under Soviet winter conditions. The book discusses methods of 1 preventing the freezing by drying, chemical treatment, etc 2 thawing of frozen material by chamber heating, steam injection, infra-red and HF electromagnetic heating and 3 restoration of looseness to bulk material without thawing, by vibration, hammering, pick penetration, explosive shock, etc. Both Soviet and American experience are summarized. Diagrams and photographs of equipment are presented. A 53 item bibliography is included. Author

Subject Categories:

  • Construction Equipment, Materials and Supplies

Distribution Statement:

APPROVED FOR PUBLIC RELEASE