TENSION LAP SPLICES
Extension of existing reinforced concrete structures.
Extending existing reinforced concrete structures such as slabs, walls and columns is the most common application for post-installed reinforcing bars. This helps facilitate expansion of floor space or address other functional changes in a particular structure. Non-contact tension lap splices in which tension loads are transferred between adjacent bars via compression struts and hoop stresses in the concrete directly surrounding the spliced bars are utilized to develop the yield strength of the new bars. This application usually involves the installation of a large numbers of bars with close spacing, limited concrete cover and deep embedment depths.
Reference the Post-Installed Reinforcing Bar Guide for comprehensive design information on post-installed rebar theory, design and installation. Additionally, you will find ICC ESR-3187 for the HIT-HY 200 hybrid adhesive anchor system and ICC ESR-3814 for the HIT-RE 500 V3 epoxy adhesive anchor system on our Approvals and Reports page.
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