Design data in ungrouted CMU
HIT-HY 270 adhesive with Hilti HAS threaded rods and Hilti HIT-IC inserts in ungrouted CMU
Hilti HAS Threaded Rods
Hilti HIT-IC Inserts
Figure 4. Hilti HIT-HY 270 with HAS threaded rod and HIT-IC internally threaded inserts in hollow concrete masonry walls
Table
18. Hilti HIT-HY 270 Installation Information for Threaded Rod and Hilti HIT-IC— Ungrouted CMU Construction, Face of Wall
Design Information Symbol Units
Nominal Anchor Diameter
1 / 4” 5 / 16” 3 / 8” 1 / 2” Drill Bit Diameter— Threaded Rod d o in. 1 / 2 5 / 8 5 / 8 11 / 16 Drill Bit Diameter— HIT-IC d o in. N / A 5 / 8 7 / 8 7 / 8
Minimum Embedment Depth— Threaded Rod & HIT-IC h ef, min in.
( mm) Fixture Hole Diameter d f in. 9 / 32 3 / 8 7 / 16 9 / 16 Maximum Installation Torque T inst ft-lb 2.2 2.2 3 4.5
Minimum Masonry Thickness h min in.( mm)
Critical Edge Distance( Tension) c cr, N in.( mm)
Minimum Edge Distance( Tension) 1 c min, N in.
( mm) Multiplier at Minimum Edge Distance( Tension)-- 0.80
Threaded Rod
HIT-IC
Critical Edge Distance( Shear) c cr, V in.( mm)
Minimum Edge Distance( Shear) 1 c min, V in.( mm)
Critical Edge Distance( Shear) c cr, V in.( mm)
Minimum Edge Distance( Shear) 1 c min, V in.
( mm) Multiplier at Minimum Edge Distance( Shear)-- 0.50
Minimum Anchor Spacing s min in.( mm)
1 The minimum distance from the center of an anchor to the centerline of a head joint( vertical mortar joint) is 2”.
2( 51)
4( 102) 2( 51)
3( 76) 1-1 / 2( 38)
N / A
N / A
2( 51)
4( 102) 2( 51)
3-3 / 4( 95) 1-7 / 8( 48) 5.16( 131) 2-5 / 8( 67)
7-5 / 8( 203)
8( 203)
2( 51)
4( 102) 2( 51)
4-1 / 2( 114) 2-1 / 4( 57) 6.36( 162) 3-1 / 4( 83)
2( 51)
4( 102) 2( 51)
6( 152) 3( 76) 7.56( 192) 3-7 / 8( 98)
46