Concrete Anchor Design: expansion_sleeve
Concrete anchor design data per ACI 318-19 Chapter 17. Covers cast-in and post-installed anchor types: cast-in headed bolt (F1554 Gr.36/55/105), cast-in J-bolt, cast-in headed stud (AWS/A108), expansion wedge anchor, expansion sleeve anchor, undercut anchor, adhesive threaded rod (AC308), adhesive rebar, and concrete screw anchor. Fields include nominal diameter, effective embedment hef, effective stress area Ase, bearing area Abrg, steel tensile strength Nsa, shear strength Vsa, concrete breakout Nb at f'c=4000 psi (kc=24 cast-in, kc=17 post-installed), pullout Np, critical edge distance cac, critical spacing, minimum member thickness, installation torque, phi factors for tension and shear, and seismic qualification. Sources: ACI 318-19 Ch.17, ACI 355.2/355.4, ASTM F1554, ASME B1.1, ICC-ES AC193/AC308.
| anchor type | record id | Fu ksi (ksi) | Fy ksi (ksi) | anchor area Ase in2 (in2) | concrete breakout Nb lb (lb) | critical edge distance cac in (in) | critical spacing in (in) | effective embedment hef in (in) | min member thickness in (in) | nominal diameter in (in) | nominal diameter mm (mm) | notes | phi shear | phi tension | seismic qualification | steel grade | steel shear strength lb (lb) | steel tensile strength lb (lb) | torque installation ft lb (ft-lb) | typical applications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| expansion_sleeve | EXP_SLV_375_01 | 58 | 36 | 0.0775 | 3,041 | 3 | 4 | 2 | 4 | 0.375 | 9.5 | Sleeve/stud anchor; Nb=17*sqrt(4000)*2.0^1.5=3041 lb; sleeve type reduces edge sensitivity vs wedge; cac=4*hef | 0.6 | 0.65 | No | Carbon-A36 | 2,697 | 4,495 | 8 | light-duty: conduit clips, HVAC duct support |
| expansion_sleeve | EXP_SLV_500_01 | 58 | 36 | 0.1419 | 4,250 | 3.75 | 5 | 2.5 | 5 | 0.5 | 12.7 | Nb=17*sqrt(4000)*2.5^1.5=4250 lb | 0.6 | 0.65 | No | Carbon-A36 | 4,938 | 8,230 | 20 | light conduit, cable tray hangers, plumbing |
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