I first learned about the application of the ACI 318 development length provision to post-installed reinforcing bars back in 2003 when I read Post-Installed Adhesive-Bonded Splices in Bridge Decks, authored by Ronald A. ![]() Engineers can access a free online calculation tool to easily determine the rebar development or lap splice length for either adhesive product. Additionally, SET-3G has slightly reduced edge and spacing requirements. In general, a substantially lower installation cost can be expected using SET-3G for seismic applications. SET-3G does not carry the same limitation allowing for a considerable reduction in development length at higher values of f’c. The SET-XP evaluation report, ESR-2508, currently limits f’c to 2,500 psi for seismic applications located in seismic design category C–F. This blog has been reposted replacing SET-XP with SET-3G using the original design examples. ![]() The evaluation report, ESR-4057, was recently updated to allow the design of SET-3G adhesive for post-installed reinforcing bars using the ACI 318 development length provision.
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