Structures
SHEAR BOND STRENGTH OF CFRP DIRECTLY MOLDED ONTO STEEL SURFACE BY VaRTM TECHNOLOGY
2019 Volume 25 Issue 59 Pages 189-192
Details
2019 Volume 25 Issue 59 Pages 189-192
In recent years, steel structural members have been corroded and thinned with aging, and deterioration in structural performance has been reported. As a countermeasure for that, research and development of adhesive bonding method using CFRP are carried out. However, it has a problem unstable adhesive strength. This problem is caused by brittle failure occurs at the interface of the adhesive layer, and it is considered the adhesive strength is stabilized by maintaining the sufficient adhesive layer and improving adhesiveness at the construction. Based on these backgrounds, recently developed vacuum assisted resin transfer molding (VaRTM) was adopted in order to apply to repairing and strengthening of steel structures, a double strap tensile shear tests were carried out to analyze the fundamental adhesive strength in this study.
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