Post Installed Anchor Design: adhesive threaded rod
0.75in#5.625in#4000psi#cracked to 1in#8in#4000psi#uncracked
Post-installed concrete anchor design capacities per ACI 318-19 Chapter 17: wedge expansion, sleeve expansion, screw (Tapcon-type), adhesive threaded rod, and undercut anchors; tension and shear LRFD design strengths for 3/8 to 1 inch diameters in 3000-6000 psi concrete, cracked and uncracked conditions
| anchor type | anchor id | condition | diameter in (in) | effective embedment hef in (in) | embedment depth in (in) | fc psi (psi) | min edge distance in (in) | min spacing in (in) | phi shear (dimensionless) | phi tension (dimensionless) | shear capacity lb (lb) | shear capacity type | standard | tension capacity lb (lb) | tension capacity type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| adhesive threaded rod | 0.75in#5.625in#4000psi#cracked | cracked | 0.75 | 5.125 | 5.625 | 4,000 | 3.75 | 7.5 | 0.65 | 0.65 | 6,280 | steel | ACI 318-19 Ch.17; 3/4 in cracked f'c=4000 | 5,107 | bond |
| adhesive threaded rod | 0.75in#5.625in#4000psi#uncracked | uncracked | 0.75 | 5.125 | 5.625 | 4,000 | 3.75 | 7.5 | 0.65 | 0.75 | 6,280 | steel | ACI 318-19 Ch.17; 3/4 in steel governs f'c=4000 | 7,350 | steel |
| adhesive threaded rod | 0.75in#7in#4000psi#uncracked | uncracked | 0.75 | 6.5 | 7 | 4,000 | 3.75 | 7.5 | 0.65 | 0.75 | 6,280 | steel | ACI 318-19 Ch.17; 3/4 in deep embedment adhesive | 7,350 | steel |
| adhesive threaded rod | 0.75in#7in#6000psi#uncracked | uncracked | 0.75 | 6.5 | 7 | 6,000 | 3.75 | 7.5 | 0.65 | 0.75 | 6,280 | steel | ACI 318-19 Ch.17; 3/4 in deep f'c=6000 steel governs | 7,350 | steel |
| adhesive threaded rod | 1in#8in#4000psi#cracked | cracked | 1 | 7.5 | 8 | 4,000 | 5 | 10 | 0.65 | 0.65 | 11,120 | steel | ACI 318-19 Ch.17; 1 in cracked f'c=4000 | 8,514 | bond |
| adhesive threaded rod | 1in#8in#4000psi#uncracked | uncracked | 1 | 7.5 | 8 | 4,000 | 5 | 10 | 0.65 | 0.75 | 11,120 | steel | ACI 318-19 Ch.17; 1 in F1554 Gr.55 deep adhesive | 13,100 | steel |
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