2000•Adelaide Research & Scholarship (AR&S) (University of Adelaide)Requires access
THE CHOICE OF PLATING TECHNIQUES FOR RETROFITTING OF REINFORCED CONCRETE BRIDGE BEAMS AND SLABS
DERIC JOHN OEHLERS
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Abstract
Experience has shown that bonding plates to the surfaces of reinforced concrete beams is an inexpensive, unobtrusive and efficient method for strengthening and stiffening. There are now numerous forms of plating that can be used. For example, steel plates or fibre reinforced plastic plates with virtually any mechanical property can be used. These plates can be either bolted or adhesively bonded, or adhesively bonded and bolted to beams. Furthermore the plates can be attached to the tension face, compression face or sides of the beam, or flat plates, angle sections, or channel sections can be used. The choice is enormous and is governed by considerations for durability as well as strength, stiffness and ductility. The aim of this paper is to briefly describe some of the modes of failure that can occur in plated structures and with this in mind to describe the reasons for choosing between the various systems that are now available. (a) For the covering entry of this conference, please see ITRD E204289.