Product Technical Guides : US-EN Anchor Fastening - August 2021

Table 9 — Design strength for steel failure of common threaded rods used with KCM-WF / PD cast-in inserts ¹ ^, ² ^, ³

Grade A36 threaded rod

ASTM A 193 B7 or ASTM F1554 Gr . 105 threaded rod

ASTM A 307 , Grade A threaded rod

Nominal rod diameter in .

Tensile ⁴

N _sar _, _rod or

N sar , eq , rod lb ( kN )

Shear ⁵

V _sar _, _rod lb ( kN )

Seismic Shear ⁶

V sar , eq , rod lb ( kN )

Tensile ⁴

N _sar _, _rod or

N sar , eq , rod lb ( kN )

Shear ⁵

V _sar _, _rod lb ( kN )

Seismic Shear ⁶

V sar , eq , rod lb ( kN )

Tensile ⁴

N _sar _, _rod or

N sar , eq , rod lb ( kN )

Shear ⁵

V _sar _, _rod lb ( kN )

Seismic Shear ⁶

V sar , eq , rod lb ( kN )

1 / 4

3 / 8

1 / 2

5 / 8

3 / 4

1,260 ( 5.6 )

3,075 ( 13.7 )

5,600 ( 24.9 )

8,915 ( 39.7 )

13,190 ( 58.7 )

705 ( 3.1 )

1,720 ( 7.7 )

3,150 ( 14.0 )

5,010 ( 22.3 )

7,420 ( 33.0 )

495 ( 2.2 )

1,205 ( 5.4 )

2,205 ( 9.8 )

3,505 ( 15.6 )

5,195 ( 23.1 )

2,720 ( 12.1 )

6,630 ( 29.5 )

12,070 ( 53.7 )

19,210 ( 85.4 )

28,475 ( 126.7 )

1 See section 3.1.8 to convert design strength value to ASD value . 2 Hilti KCM-WF / PD anchors are to be considered brittle steel elements 3 See Section 3.1.8 for additional information on seismic applications . 4 Tensile N _sar

= ф _s

A _se _, _N

R f _ut as noted in CSA A23.3 Annex D . Only the largest size of threaded rod specified for each insert must be used for applications resisting seismic tension loads . 5 Shear values determined by static shear tests with V _sar

< ф _s 0.60 A _se _, _V f _ut

R . as noted in CSA A23.3 Annex D . Only the largest size of threaded rod specified for each insert must be used for applications resisting shear loads . 6 Seismic shear values determined by seismic shear tests with V _sar _, _eq

< ф _s 0.60 A _se _, _V f _ut

R . as noted in CSA A23.3 Annex D . Only the largest size of threaded rod specified for each insert must be used for applications resisting seismic shear loads .

1,520 ( 6.8 )

3,705 ( 16.5 )

6,785 ( 30.2 )

10,805 ( 48.1 )

15,990 ( 71.1 )

1,064 ( 4.7 )

2,594 ( 11.5 )

4,750 ( 21.1 )

7,564 ( 33.6 )

11,193 ( 49.8 )

1,290 ( 5.7 )

3,160 ( 14.1 )

5,780 ( 25.7 )

9,215 ( 41.0 )

13,635 ( 60.7 )

725 ( 3.2 )

1,780 ( 7.9 )

3,250 ( 14.5 )

5,185 ( 23.1 )

7,670 ( 34.1 )

508 ( 2.3 )

1,246 ( 5.5 )

2,275 ( 10.1 )

3,630 ( 16.1 )

5,369 ( 23.9 )

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