Product Technical Guides : US-EN Cast-In Anchor Channel Fastening Technical Guide | Page 96

1. Anchor Channel Systems 2. HAC Portfolio 3. HAC Applications 4. Design Introduction 5. Base material 6. Loading Criteria Symbol HAC-50 EDGE Lite HAC-50 EDGE HAC-50 EDGE C 1,920 (8.5) M16 lb (kN) 4,420 (19.7) M20 lb (kN) 5,425 (24.1) Table 2.3.7.1 — Steel strength design information for HAC EDGE Lite, HAC EDGE, and HAC EDGE C rebar edge confinement plate (EDGE Lite, EDGE, and EDGE C plate) Anchor Channel M12 2 M16 Strength reduction factor for failure of connection between channel lips and channel bolts 1 (periodic inspection) lb (kN) 4,420 (19.7) lb (kN) 5,425 (24.1) HAC-40 HAC-50 EDGE Lite Modulus of elasticity of the EDGE lite and EDGE plate E Minimum specified ultimate strength f uta Minimum specified yield strength Nominal rebar steel strength f ya N s,r Nominal rebar-shear confinement plate connection strength N s,c Strength reduction factor for rebar tensile steel strength ϕ EDGE Lite EDGE ksi 30,458 (MPa) (210,000) psi 79,750 (MPa) (550) psi 72,500 (MPa) (500) EDGE C lb (kN) 5,650 (25.13) lb 8,828 (39.27) 12,713 (56.55) (kN) - M20 1,920 (8.5) Units V sl,x,seis lb (kN) Symbol Nominal shear steel strength of connection between channel lips and channel bolts for seismic design 14. Design Example 13. Field Fixes 2.3.7 E  DGE LITE, HAC EDGE, AND HAC EDGE C PLATE STEEL STRENGTH INFORMATION Criteria V sl,x 12. Instructions for Use 0.75 M12 M16 - 0.55 Table 2.3.8.1 — Shear concrete strength design information for HAC EDGE Lite, HAC EDGE, and HAC EDGE C with Hilti Channel Bolts (HBC-C and HBC-C-N) when shear load acts towards the EDGE Plate. M12 0.55 Anchor Channel M16 0.65 M20 0.97 Exponent for the concrete strength in the basic value of the concrete edge breakout x 2 - 0.18 Exponent for the modification factor to account for influence of member thickness on concrete edge breakout strength for anchors channels loaded in shear x 3 - 0.25 Exponent for the modification factor for corner effects on concrete edge breakout strength for anchor channels loaded in shear x 4 - 0.11 Modification factor for the critical anchor spacing in combination with the EDGE Lite and EDGE plate α 1,V - 0.60 Coefficient for pry out strength k cp - 2.0 Modification factor for HAC EDGE Lite and HAC EDGE to control splitting ψ cp - 1.0 Modification factor to account for influence of cracked or uncracked concrete for concrete edge breakout strength ψ c,V - 1.0 ϕ - 0.70 575 700 880 720 1 The tabulated value of ϕ applies when the load combinations of Section 1605.2 of the IBC, ACI 318-14 Section 5.3 or ACI 318-11 Section 9.2 are used. 2 In case of continuous inspection the value for V sl,x for the size M12 can be taken for all channel sizes HAC-40 F through HAC-70 F as V sl,x = 2,021 lb (9.0 kN). SI units (270) (330) (415) (340) Strength reduction factor for shear, concrete failure modes 1 1 T  he tabulated value of ϕ applies when both the load combinations of Section 1605.2 of the IBC, ACI 318-14 Section 5.3 or ACI 318-11 Section 9.2 are used and the requirements of ACI 318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition B are met. Condition B applies where supplementary reinforcement is not provided. Cast-In Anchor Channel Product Guide, Edition 1 • 02/2019 97 See chapter 9 for additional design information for HAC EDGE Lite, HAC EDGE, and HAC EDGE C - Imperial units x 1 HAC-50 EDGE C Exponent for the edge distance in the basic value of the concrete edge breakout HAC-50 EDGE k EDGE / k EDGE C HAC-50 EDGE Lite Factor to account for the influence of plate size and rebar diameter on concrete edge breakout strength in shear for the EDGE Lite and EDGE plate HAC-40 EDGE Lite - Units ϕ Symbol Criteria Strength reduction factor for failure of connection between channel lips and channel bolts 1 (continuous inspection) 2.3.8 DESIGN INFORMATION FOR HAC EDGE LITE , HAC EDGE AND HAC EDGE C CONCRETE BREAKOUT IN PERPENDICULAR SHEAR M20 ϕ 96 lb (kN) 11. Best Practices M12 2 HAC-40 EDGE Lite 10. Design Software Units 9. Special Anchor Channel Design Nominal shear steel strength of connection between channel lips and channel bolts Channel bolt type HBC-C-N 8. Reinforcing Bar Anchorage Table 2.3.6.3 — S teel strength design information for shear acting in longitudinal direction of the channel axis for HAC EDGE Lite, HAC EDGE, and HAC EDGE C with Hilti Locking Channel Bolts (HBC-C-N) 7. Anchor Channel Design Code