CONCRETE COVER IN THIN-WALL REINFORCED CONCRETE FLOATING PIERS

A critical appraisal of the technical literature dealing with thin-wall reinforced concrete pontoons, corrosion of steel reinforcement in concrete exposed to marine conditions, and cracking of reinforced concrete exposed to weathering was made for the period covering the past 75 years. The assessment revealed useful information leading to the recommendation that additional experimentation is unnecessary for establishing a guide to fixing the minimum depth of concrete covering steel reinforcement in a floating pier or landing stage consisting of an assembly of precast concrete cells wherein the allowable maximum overall thickness of wall in any cell is restricted to 2 inches. Based on the information developed in this study, it is concluded that a 5/8-in.-thick concrete cover is the minimum acceptable, provided that certain limitations are observed regarding composition of the concrete, size of the reinforcing steel, and application of protective coating to the reinforcement and the exterior of the floating structure. (Author)

• Corporate Authors:

  Naval Civil Engineering Laboratory

  Point Mugu
  Port Hueneme, CA  United States  93041
• Authors:
  • Lorman, W R
• Publication Date: 1976-7

Media Info

• Pagination: 45 p.

Subject/Index Terms

• TRT Terms: Concrete; Concrete structures; Corrosion; Corrosion protection; Floating docks; Floating structures; Fracture mechanics; Permeability; Piers (Supports); Piers (Wharves); Protective coatings; Reinforced concrete; Roofs; Seawater
• Candidate Terms: Pontoons; Seawater corrosion
• Old TRIS Terms: Coverings; Floating concrete structures
• Subject Areas: Bridges and other structures; Marine Transportation; Terminals and Facilities;

Filing Info

• Accession Number: 00143616
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: CLE-TN-1447 Final Rpt.
• Files: TRIS
• Created Date: Nov 17 1976 12:00AM