The integrity of concrete structures is largely based on the durability of the reinforcing steel. Corrosive elements penetrate the permeable concrete subjecting the rebar to corrosion. The corrosion products that form on steel have a greater volume...
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Hot-Dip Galvanized Reinforcing Steel: A Specifier's Guide
Repairing damage caused by corrosion costs billions of dollars annually. One significant contributor to the corrosion problem is decaying reinforcing steel bar (rebar), which causes staining, cracking, and spalling of concrete structures throughout North America. Corroding rebar leads to costly repairs, continual maintenance, and eventual structural deficiencies of the concrete.
Hot-dip galvanizing, commonly specified for its longevity and durability on exposed structural steel, is also effectively and economically used to protect rebar from corroding. Concrete is a porous material and corrosive elements from
the atmosphere permeate the concrete, eventually reaching the rebar, and cause unprotected rebar to corrode. Galvanized reinforcing steel, with its tenacious, durable zinc coating, is uniquely suited to withstand these rigors without causing detriment to the concrete.
Revised in 2011, this 16-page publication will look at rebar corrosion, hot-dip galvanizing, and how galvanized rebar performs in concrete including design, specification, fabrication, and installation concerns.
The AGA has translated this publication into Spanish. This publication is only available to download as PDFs.
Copies of this resource are available for purchase. Architects, engineers, and other specifiers in North America may request a single copy of any publication at no charge, unless otherwise indicated. Multiple copies require a $25.00 (US funds) minimum order, plus shipping and handling. Prepayment is required. (Member galvanizers are not eligible for complimentary printed copies and require a $75.00 minimum order.) Non-member galvanizers must contact the AGA directly at 720-361-4483.