Unclassified 
SECURITY CLASSIFICATION OF THIS PAGE (When Data Entered) 
REPORT DOCUMENTATION PAGE eae a Oe ay 
1. REPORT NUMBER 2. GOVT ACCESSION NO.| 3. RECIPIENT'S CATALOG NUMBER 
TN-1544 DNO04405 3 
4. TITLE (and Subtitle) 5. TYPE OF REPORT & PERIOD COVERED 
PROPOSED METHOD FOR PLACING FRESHLY Final; Jun 1976 — Jun 1977 
MIXED CONCRETE IN THE DEEP OCEAN 6. PERFORMING ORG. REPORT NUMBER 
7. AUTHOR(s) 8. CONTRACT OR GRANT NUMBER(s) 
R. D. Rail and H. H. Haynes 
9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. PROGRAM ELEMENT, PROJECT, TASK 
CIVIL ENGINEERING LABORATORY ARIEL  WOTLS ORE RUNIEERS 
Naval Construction Battalion Center 
Port Hueneme, California 93043 63713N; S0397—SL; 3.1610-1 
11. CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT DATE 
Naval Facilities Engineering Command January 1979 
13. NUMBER OF PAGES 
Alexandria, Virginia 22332 45 
14. MONITORING AGENCY NAME & ADDRESS(if different from Controlling Office) 15. SECURITY CLASS. (of this report) 
Unclassified 
15a, DECLASSIFICATION/ DOWNGRADING 
SCHEDULE 
16. DISTRIBUTION STATEMENT (of this Report) 
Approved for public release; distribution unlimited. 
17. DISTRIBUTION STATEMENT (of the abstract entered in Block 20, if different from Report) 
18. SUPPLEMENTARY NOTES 
19. KEY WORDS (Continue on reverse side if necessary and identify by block number) 
Underwater concreting, subaqueous placement of concrete, seafloor construction, 
deep ocean construction, flow of concrete in pipelines. 
20. ABSTRACT (Continue on reverse side if necessary and identify by block number) 
Potential applications for placing concrete in the deep ocean are basically in three 
areas: in situ construction of seafloor structures, foundations and massive anchors for fixed 
ocean facilities, in situ hardening of objects on the seafloor, and containment of hazardous 
substances for environmental protection. This report presents a method for in situ placement 
of fresh concrete on the seafloor in which concrete is mixed on a surface platform and 
(continued) 
DD fen, 1473  EvITION oF 1 Nov 65 1s OBSOLETE 
HLQOUNUL NWN 
0 0301 0040220 2 
Unclassified 
SECURITY CLASSIFICATION OF THIS PAGE (When Data Entered) 
