Prestressed concrete pipe corrosion research: A summary of a decade of activities
Book
·
OSTI ID:382570
- Ameron, Inc., South Gate, CA (United States). Engineering Development Center
Prestressed concrete cylinder pipe (PCCP) is used in water and waste water systems that serve virtually every major city in North America. Although not required in most conditions, various methods area available to effectively provide corrosion resistance. Recommendations for corrosion control in various environments are provided by several associations, manufacturers, and corrosion engineering firms. They include supplemental coatings, latex addition to mortar, and cathodic protection. The data, results, and reasoning to support the recommendations are often not available in the literature. This paper provides a summary of research performed during the past decade on mortar coating and prestressing wire. It includes information on reduction of chloride penetration by mortar mix design and addition of latex, chloride diffusion through the mortar coating, chloride content required to cause corrosion of the prestressing wire, inhibition of corrosion by lubricants present on prestressing wire, practicality of using organically-coated prestressing wire, inhibition of corrosion by lubricants present on prestressing wire, practicality of using organically-coated prestressing wire, corrosion prevention properties of steel in mortar subjected to stray current, usefulness of potential monitoring techniques, supplemental protection using barrier coatings, cathodic protection requirements, and hydrogen embrittlement concerns.
- OSTI ID:
- 382570
- Report Number(s):
- CONF-960389--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
42 ENGINEERING
ABSORPTION
CATHODIC PROTECTION
CHLORIDES
COATINGS
CORROSION
CORROSION INHIBITORS
CURRENT DENSITY
DIFFUSION
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
EXPERIMENTAL DATA
HYDROGEN EMBRITTLEMENT
LATEX
LUBRICANTS
MORTARS
PIPES
PRESTRESSED CONCRETE
SOILS
WATER UTILITIES
42 ENGINEERING
ABSORPTION
CATHODIC PROTECTION
CHLORIDES
COATINGS
CORROSION
CORROSION INHIBITORS
CURRENT DENSITY
DIFFUSION
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
EXPERIMENTAL DATA
HYDROGEN EMBRITTLEMENT
LATEX
LUBRICANTS
MORTARS
PIPES
PRESTRESSED CONCRETE
SOILS
WATER UTILITIES