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Use of Epoxies for Grouting Reinforcing Bar Dowels in Concrete
The behavior of reinforcing bar dowels grouted in concrete using epoxy was evaluated. The bars were submitted to pullout forces to determine the maximum load capacity, the load-slip behavior, and the type of failure. The objective of the project was to develop some guidelines for the use of epoxies in grouting dowels in structures to be repaired or strengthened. The influence of cleaning procedures on the pullout strength of dowels grouted with a low viscosity epoxy was determined. Results showed that cleaning procedure can significantly affect strength, with the best results obtained when the hole was cleaned with a stiff brush and thoroughly vacuumed. Other basic variables considered were viscosity, grouting position, and epoxy brand or manufacturer. For overhead and horizontal dowels, gel epoxies were found to be easiest to work with.
Use of Epoxies for Grouting Reinforcing Bar Dowels in Concrete
The behavior of reinforcing bar dowels grouted in concrete using epoxy was evaluated. The bars were submitted to pullout forces to determine the maximum load capacity, the load-slip behavior, and the type of failure. The objective of the project was to develop some guidelines for the use of epoxies in grouting dowels in structures to be repaired or strengthened. The influence of cleaning procedures on the pullout strength of dowels grouted with a low viscosity epoxy was determined. Results showed that cleaning procedure can significantly affect strength, with the best results obtained when the hole was cleaned with a stiff brush and thoroughly vacuumed. Other basic variables considered were viscosity, grouting position, and epoxy brand or manufacturer. For overhead and horizontal dowels, gel epoxies were found to be easiest to work with.
Use of Epoxies for Grouting Reinforcing Bar Dowels in Concrete
P. C. C. Luke (Autor:in) / C. Chon (Autor:in) / J. O. Jirsa (Autor:in)
1985
100 pages
Report
Keine Angabe
Englisch
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