Brittle Failure of Steel Stackby Max Zar, (F.ASCE), Partner and Mgr.; Struct. Dept., Sargent & Lundy Engrs., Chicago, IL,
Andrew Morcos, (M.ASCE), Proj. Engr.; Struct. Dept., Sargent & Lundy Engrs., Chicago, IL,
Serial Information: Journal of the Power Division, 1974, Vol. 100, Issue 1, Pg. 33-42
Document Type: Journal Paper
Causes of brittle fracture of brick lined steel stack are examined. Recommendations to avoid such fracture are presented. It is shown that failure of such stack can occur in very cold weather if the stack is off the line. As the steel tends to contract, it is restrained by the brick lining which has a lower coefficient of thermal expansion. If the steel is below its transition temperature, the stresses induced by this restraint can cause brittle fracture. Additional stress sources such as static and dynamic wind dead load and initial stresses are also covered.
Subject Headings: Steel | Brittleness | Failure analysis | Material failures | Cracking | Wind loads | Bricks | Weather conditions | Contracts
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