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Undeformed Bars 1
- Thread starter McCarJ
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CRSI has a article "Evaluation of Reinforcing Bars in Old Reinforced Concrete Structures". check CRSI.org
Structual grade fy = 33,000 psi (unless otherwise specified)
14,000 allowable
Assume 50% as effective in bond and anchorage as current bars.
Structual grade fy = 33,000 psi (unless otherwise specified)
14,000 allowable
Assume 50% as effective in bond and anchorage as current bars.
another helpful quote.
"Since most strength design reviews for flexure will be based on yield strength, fy = 33,000 psi instead of today's 60,000 psi, the tension development lengths for the old bars can be determined by adding 10% to any current table of tension development lengths, ld for modern reinforcing bars."
"Since most strength design reviews for flexure will be based on yield strength, fy = 33,000 psi instead of today's 60,000 psi, the tension development lengths for the old bars can be determined by adding 10% to any current table of tension development lengths, ld for modern reinforcing bars."
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