Part Two: Basics in Failure Analysis of Large Structures

by Richard Roberts, Prof.; Mech. Engrg. and Mechanics, Lehigh Univ., Bethlehem, Penn.,
Alan W. Pense, Prof.; Metallurgy and Materials Engrg., Lehigh Univ., Bethlehem, Penn.,


Serial Information: Civil Engineering—ASCE, 1980, Vol. 50, Issue 7, Pg. 60-62


Document Type: Feature article

Abstract:

Part two of a article, with part one appearing in May, 1980. Part two begins with microscopic examination which includes the use of scanning and transmission electron microscopes. Covers how to complete a well-executed analysis which can provide reasons for the failure and be used to prevent similar failures. Considers and dissects the cause of a truck's drag link failure. Another fracture discussed is the May, 1975 discovery of a cracked main girder of the Lafayette Street Bridge over the Mississippi River, St. Paul, Minn.

Subject Headings: Failure analysis | Girder bridges | Cracking | Trucks | Structural failures | Structural analysis | Streets

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