Form Approved
REPORT DOCUMENTATION PAGE
OMB No. 0704-0188
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1. AGENCY USE ONLY (Leave blank)
2. REPORT DATE
3. REPORT TYPE AND DATES COVERED
July 1995
4. TITLE AND SUBTITLE
5. FUNDING NUMBERS
Structural Ice Control: Review of Existing Methods
WU 22926
6. AUTHORS
Andrew M. Tuthill
7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES)
8. PERFORMING ORGANIZATION
REPORT NUMBER
U.S. Army Cold Regions Research and Engineering Laboratory
72 Lyme Road
Special Report 95-18
9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES)
10. SPONSORING/MONITORING
AGENCY REPORT NUMBER
Office of the Chief of Engineers
Washington, D.C. 20314-1000
11. SUPPLEMENTARY NOTES
12a. DISTRIBUTION/AVAILABILITY STATEMENT
12b. DISTRIBUTION CODE
Approved for public release; distribution is unlimited.
Available from NTIS, Springfield, Virginia 22161.
13. ABSTRACT (Maximum 200 words)
This report is a comprehensive review of structural ice control methods in use worldwide today. The structures
are grouped according to the purpose of the ice control. Categories are sheet ice retention, breakup ice control
and ice diversion. The focus is on the recent performance of the structures. Innovative solutions that could be
applied to river confluence ice problems also receive special attention. The report reviews the state of the art in
structural ice control, addressing the ranges as well as the limits of application of methods in use today.
14. SUBJECT TERMS
15. NUMBER OF PAGES
38
Ice control
Ice jams
16. PRICE CODE
Ice control structures
River ice
17. SECURITY CLASSIFICATION
18. SECURITY CLASSIFICATION
19. SECURITY CLASSIFICATION
20. LIMITATION OF ABSTRACT
OF REPORT
OF THIS PAGE
OF ABSTRACT
UNCLASSIFIED
UNCLASSIFIED
UNCLASSIFIED
UL
Standard Form 298 (Rev. 2-89)
Prescribed by ANSI Std. Z39-18
298-102