00217292

Component

http://onlinepubs.trb.org...s/hrr/1972/412/412-005.pdf

NEARLY 2,000 CORRUGATED METAL PIPES AS OLD AS 43 YEARS WERE INSPECTED IN A RESEARCH STUDY IN KANSAS DURING A PERIOD OF 6 YEARS. BITUMINOUS COATINGS APPLIED TO PIPES SELDOM REMAINED INTACT IN EXPOSED AREAS FOR MORE THAN 3 OR 4 YEARS; SOMETIMES THEY WERE INTACT FOR ONLY A FEW MONTHS. CONSEQUENTLY, THEY ARE NOT OF SUFFICIENT VALUE TO JUSTIFY THEIR USE IN KANSAS. PLAIN GALVANIZED CORRUGATED METAL PIPES WITHOUT BITUMINOUS COATINGS HAVE SERVED WELL IN KANSAS FOR MORE THAN 40 YEARS. A FEW PIPES IN LOCALIZED STRIP PIT COAL MINING AREAS HAVE CORRODED EXCESSIVELY, BUT NONE HAS FAILED STRUCTURALLY. ALUMINUM PIPES ARE IN GOOD CONDITION, BUT THEY HAVE BEEN USED IN KANSAS FOR ONLY 7 YEARS AT THE TIME OF THIS STUDY, AND NONE WERE INSTALLED NEAR COAL MINES.

Sponsored by Committee on Corrosion. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.

01410329

pp 35-40

1972

Highway Research Record

51st Annual Meeting of the Highway Research Board

0309020840

Digital/other

Figures (3) ; References (15) ; Tables (3)

Aluminum; Bituminous materials; Coal mines; Coatings; Corrosion; Corrugated pipe culverts; Galvanizing; Mines; Water

Geotechnology; Highways; Materials

TRIS, TRB

Apr 17 1973 12:00AM

• COMPARATIVE INVESTIGATIONS OF INTERNATIONAL TEST METHODS FOR SMALL-SIZED COARSE AGGREGATES
• CONCRETE ANALYSIS BY NEUTRON-CAPTURE GAMMA RAYS USING CALIFORNIUM 252
• EVALUATION OF A NUCLEAR ASPHALT-CONTENT GAUGE
• GLASS BEADS IN PAINT
• MEASUREMENT OF AUTOMOBILE EXHAUST POLLUTANT CONCENTRATIONS BY USE OF SOLID KRYPTONATES
• WATER CONTENT OF FRESH CONCRETE MEASURED BY NEUTRON RADIATION