The Structural Engineer > Archive > Volume 58 (1980) > Issues > Issue 1 > A study of Epoxy Resin Adhesive Joints in Shear
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A study of Epoxy Resin Adhesive Joints in Shear

The structural performance of four epoxy adhesives has been studied, when subjected to shear in three types of specimen: a steel-steel doublelap specimen, a concrete prism with scarfed joint, and a concrete beam with external steel plate rein forcement. Specimens have been tested under simple and sustained static load, and in fatigue. Cured between 20 °C and 80 °C, the shear strength of adhesion to steel was generally at least 13 N/mm to the power 2, provided that the steel was free from grease, and was not greatly affected by slight contamination with rust, dust or moisture, or by cycling 400 times between - 7 °C and + 35 °C. There was a marked difference in performance of the different adhesives after immersion in water for 8 weeks. A.R. Cusens and D.W. Smith