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IXP™ Anchor – Torque-Controlled Adhesive Anchor
IXP™ Anchor with SET-XP® Epoxy Tension Design Data
in Normal-Weight Concrete1,10
- The information presented in this table is to be used in conjunction with the design criteria of ACI 318 Appendix D, except as modified below and is valid for 2,500 psi ≤ f'c ≤ 8,000 psi.
- The value of
applies when the load combinations of ACI 318 section 9.2 are used. If the load combinations of ACI 318 Appendix C are used, refer to section D4.5 to determine the appropriate value of . IXP anchors are considered ductile steel elements.
- Pullout strength is not reported since steel failure controls.
- The modification factor
cp,N = 1.0 for cracked concrete. Otherwise, the modification factor for uncracked concrete without supplementary reinforcement to control splitting is either:
(1) cp,N = 1.0 if ca,min ≥ cac
or
| (2) |
cp,N = |
ca,min |
≥ |
1.5hef |
if ca,min < cac |
| cac |
ccr |
The modification factor, cp,N is applied to the nominal concrete breakout strength, Ncb or Ncbg.
- The value of applies when both the load combinations of ACI 318 Section 9.2 are used and the requirements of Section D4.4(c) for Condition B are met. If the load combinations of ACI 318 Section 9.2 are used and the requirements of Section D4.4(c) for Condition A are met, refer to Section D4.4 to determine the appropriate value of . If the load combinations of ACI 318 Appendix C are used, refer to Section D4.5 to determine the appropriate value of .
- Sand-lightweight concrete and all-lightweight concrete are beyond the scope of this table.
- For anchors installed overhead and subjected to tension resulting from sustained loading, multiply Nn by 0.75.
- Maximum short-term temperature is 180°. Maximum long-term temperature is 75°.
- Short-term concrete temperatures are those that occur over short intervals (diurnal cycling).
- Long-term concrete temperature are constant temperatures over a significant time period.
