DESIGN INFORMATION IN CONCRETE PER CSA A23.3
Limit State Design of anchors is described in the provisions of CSA A23.3 Annex D for post-installed anchors tested and assessed in accordance with ACI 355.2 for mechanical anchors and ACI 355.4 for adhesive anchors . This section contains the Limit State Design tables with unfactored characteristic loads that are based on the published loads in ICC Evaluation Services ESR-3027 . These tables are followed by factored resistance tables . The factored resistance tables have characteristic design loads that are prefactored by the applicable reduction factors for a single anchor with no anchor-to-anchor spacing or edge distance adjustments for the convenience of the user of this document . All the figures in the previous ACI 318 Chapter 17 design section are applicable to Limit State Design and the tables will reference these figures .
For a detailed explanation of the tables developed in accordance with CSA A23.3 Annex D , refer to PTG Ed . 21 Section 3.1.8 . Technical assistance is available by contacting Hilti Canada at ( 800 ) 363-4458 or at www . hilti . com .
Table 12 — Steel resistance for Hilti KH-EZ SS316 and KH-EZ C SS316 screw anchor 1 , 2
Nominal anchor diameter in .
1 / 4
3 / 8
1 / 2
Tensile 3
N sar lb ( kN )
Shear 4
V sar lb ( kN )
Seismic shear 5
V sar , eq lb ( kN )
3,595 1,010 665 ( 16.0 ) ( 4.5 ) ( 3.0 ) 7,810 2,405 2,405 ( 34.7 ) ( 10.7 ) ( 10.7 ) 12,315 2,645 2,645 ( 54.8 ) ( 11.8 ) ( 11.8 )
1 See PTG Ed . 21 section 3.1.8 to convert design strength value to ASD value . 2 Hilti KH-EZ SS316 and KH-EZ C SS316 stainless steel screw anchors are to be considered ductile steel elements . 3 Tensile N sar
= A se , N ф s f uta
R as noted in CSA A23.3 Annex D . 4 Shear determined by static shear tests with V sar
< 0.6 A se , V ф s f uta
R as noted in CSA A23.3 Annex D . 5 Seismic shear values determined by seismic shear tests with V sar , eq
≤ 0.60 A se , V ф s f uta
R as noted in CSA A23.3 Annex D . See PTG Ed . 21 section 3.1.8 for additional information on seismic applications .
360 Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.7 KWIK HUS-EZ SS316 SCREW ANCHOR Hilti , Inc . 1-800-879-8000 | en español 1-800-879-5000 | www . hilti . com | Hilti ( Canada ) Corporation | www . hilti . ca | 1-800-363-4458