Unclassified 



SECURITY CLASSIFICATION OF THIS PAGE (When Doro 



Entered; 





REPORT DOCUMENTATION PAGE 



READ INSTRUCTIONS 

 BEFORE COMPLETING FORM 



1. REPORT NUMBER 



TN-1392 



2. GOVT ACCESSION NO. 



DN 544144 



3. RECIPIENT'S CATALOG NUMBER 



4, TITLE (and Subtitle) 



ANTIFOULING MARINE CONCRETE 



S. TYPE OF REPORT 4 PERIOD COVERED 



Final; Jan 1969 to Jun 1974 



6. PERFORMING ORG. REPORT NUMBER 



7. AUTHORfs; 



James S. Muraoka and Harold P. Vind 



8. CONTRACT OR GRANT NUMBERfsJ 



9- PERFORMING ORGANIZATION NAME AND ADDRESS 



Civil Engineering Laboratory 



Naval Construction Battalion Center 



Port Hueneme, California 93043 



10 PROGRAM ELEMENT. PROJECT. TASK 

 AREA a WORK UNIT NUMBERS 



62755N; YF54.593.007.01.001 



n. CONTROLLING OFFICE NAME AND ADDRESS 



Naval Facilities Engineering Command 

 Alexandria, VA 22332 



12, REPORT DATE 



May 1975 



22^^ 



14. MONITORING AGENCY NAME a ADDRESSf// rlillereni Irom ConIr.»l//n|) O/I.re) 



IS SECURITY CLASS, (ol this report) 



Unclassified 



ISn. DECLASSIFI CATION 'DOWN GRADING 

 SCHEDULE 



16. DISTRIBUTION STATEMENT (ol /h/s Reporlj 



Approved for public release; distribution unlimited. 



17. DISTRIBUTION STATEMENT (ol Ihe abslrBcl entered in Block 20, .f dillerenl Irom Report) 



18. SUPPLEMENTARY NOTES 



Degradation, materials, structural parts, marine biology, environmental tests, 

 engineering materials, marine fouling, underwater concrete. 



20. ABSTRACT (Continue on reverse side // necessery and identity by block number) 



A method was developed for incorporating mixtures of creosote and other toxic 

 chemicals into concrete by first impregnating a porous expanded shale aggregate with the 

 toxic mixture. The impregnated aggregate was then mixed with portland cement and water 

 to produce an antifouling marine concrete. Concrete panels made from aggregates impregnated 



continued 



DD 1 JAN^S 1473 EDITION OF 1 NOV 65 IS OBSOL 



Unclassified 



SECURITY CLASSI 



ION OF THIS PAGE fHTipn Data Entered) 



MBL/WHOI 



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