Characteristics of the Changes in the Compressive and Tensile Stress of the Construction Sealant under Cyclic Movement

Abstract

A compact fatigue testing machine to quantitatively evaluate the effects of this complex degradation of sealants and the load change of the sealant under dynamic fatigue has been developed. The developed fatigue testing machine is compact with dimensions of (width) 100 × (length) 135 × (height) 110 mm. It can be installed in an outdoor exposure test site or in a chamber. Thus, this machine can be used for performing various compounded accelerated degradation tests. We report the use of this testing machine to examine the effects of this complex degradation of sealants and the load change of the sealant under dynamic fatigue.

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