Anchor Fastening Technical Guide , Edition 22
DESIGN DATA IN CONCRETE PER CSA A23 .
CSA A23.3 Annex D design
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-4868 and ELC-4868 . 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 .
3.2.2
For a detailed explanation of the tables developed in accordance with CSA A23.3 Annex D , refer to Section 3.1.8 . Technical assistance is available by contacting Hilti Canada at ( 800 ) 363-4458 or at www . hilti . com .
Table 62 — Steel factored resistance for Hilti HIT-Z and HIT-Z-R anchor rods 1
Nominal anchor diameter in .
3 / 8
1 / 2
5 / 8
3 / 4
Tensile N sar
3 lb ( kN )
HIT-Z Carbon Steel Rod 2 HIT-Z-R Stainless Steel Rod 2
Shear V sar
4 lb ( kN )
Seismic shear V sar , eq
5 lb ( kN )
Tensile N sar
3 lb ( kN )
Shear V sar
4 lb ( kN )
Seismic shear V sar , eq
5 lb ( kN ) 4,345 1,775 1,155 4,345 2,420 1,910 ( 19.3 ) ( 7.9 ) ( 5.1 ) ( 19.3 ) ( 10.8 ) ( 8.5 ) 7,960 3,250 2,115 7,960 4,435 3,325 ( 35.4 ) ( 14.5 ) ( 9.4 ) ( 35.4 ) ( 19.7 ) ( 14.8 ) 12,675 5,180 3,365 12,675 7,065 4,590 ( 56.4 ) ( 23.0 ) ( 15.0 ) ( 56.4 ) ( 31.4 ) ( 20.4 ) 18,725 7,650 4,975 18,725 10,435 6,785 ( 83.3 ) ( 34.0 ) ( 22.1 ) ( 83.3 ) ( 46.4 ) ( 30.2 )
1 See section 3.1.8 to convert design strength value to ASD value . 2 HIT-Z and HIT-Z-R anchor rods are considered brittle steel elements .
3 Tensile = A se , N ф s f uta
R as noted in CSA A23.3 Annex D . 4 Shear values determined by static shear tests with V sar
≤ A se , V ф s
0.60 f uta R as noted in CSA A23.3 Annex D .
5 Seismic Shear = α V , seis
V sar
: Reduction factor for seismic shear only . See section 3.1.8 for additional information on seismic applications .
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.2 HILTI HIT-HY 200 A / R V3 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
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