Accession Number:

ADA218263

Title:

Summary of Experimental Piling Inspections at Pearl Harbor, Hawaii

Descriptive Note:

Final rept. for FY89

Corporate Author:

NAVAL CIVIL ENGINEERING LAB PORT HUENEME CA

Personal Author(s):

Report Date:

1989-12-01

Pagination or Media Count:

23.0

Abstract:

Two hundred seventy-three treated Douglas-fir and southern pine piling were installed at Pearl Harbor, Hawaii from 1963 to 1966 and periodically inspected to determine cross-sectional area loss caused by teredine, limnorian, and pholad marine borers. All piling treated with creosote and copper-nickel sheathing, chlordane, creosote and dieldrin, basic zinc sulfate, and most piling treated with an arsenical salt and creosote dual treatment have sustained little loss. Piling treated with phenylmercuric oleate in creosote or with copper oxinate have performed relatively well. Arsenical salt treatments at low retentions, treatments of copper naphthenate with creosote, and most creosote treatments are rated fair to good. Two creosote treatment groups have sustained little loss. In general, little or no apparent enhancement of performance was imparted by the inclusion of Victoria green base, tributyltin oxide, or copper sulfate to treatment chemicals tested. Keywords Wood preservation, Marine piling, Marine borers, Biodeterioration, Biocides.

Subject Categories:

  • Coatings, Colorants and Finishes
  • Wood, Paper and Related Forestry Products
  • Civil Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE