Product Technical Guides : US-EN Anchor Fastening - August 2021 | Page 249

Anchor Fastening Technical Guide , Edition 22

Table 19 — Load adjustment factors for Hilti HIS-N and HIS-RN internally threaded inserts in uncracked concrete ^{1 , 2}

Edge distance in shear HIS-N and HIS-RN Spacing factor in Edge distance Spacing factor in

Concrete thickness

3 all diameters tension factor in tension shear ┴

‖

4 factor in shear cracked concrete ƒ _AN ƒ _RN ƒ Toward edge To edge

AV ƒ _HV ƒ _RV ƒ _RV

Thread size , in . 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4

Spacing ( s ) / edge distance ( c _a ) / concrete thickness ( h ), - in ( mm )

3-1 / 4 ( 83 ) 0.61 n / a n / a n / a 0.40 n / a n / a n / a 0.55 n / a n / a n / a 0.15 n / a n / a n / a 0.31 n / a n / a n / a n / a n / a n / a n / a 4 ( 102 ) 0.63 0.61 n / a n / a 0.45 0.42 n / a n / a 0.56 0.55 n / a n / a 0.21 0.19 n / a n / a 0.42 0.38 n / a n / a n / a n / a n / a n / a 5 ( 127 ) 0.67 0.63 0.61 n / a 0.51 0.47 0.40 n / a 0.57 0.57 0.55 n / a 0.29 0.26 0.17 n / a 0.51 0.47 0.33 n / a n / a n / a n / a n / a

5-1 / 2 ( 140 ) 0.68 0.65 0.62 0.61 0.55 0.50 0.42 0.38 0.58 0.58 0.56 0.55 0.34 0.30 0.19 0.15 0.55 0.50 0.39 0.29 n / a n / a n / a n / a 6 ( 152 ) 0.70 0.66 0.63 0.62 0.59 0.53 0.44 0.39 0.59 0.58 0.56 0.55 0.39 0.35 0.22 0.17 0.59 0.53 0.44 0.33 0.60 n / a n / a n / a 7 ( 178 ) 0.73 0.69 0.65 0.64 0.67 0.60 0.48 0.43 0.60 0.60 0.57 0.56 0.49 0.43 0.28 0.21 0.67 0.60 0.48 0.42 0.64 0.62 n / a n / a 8 ( 203 ) 0.76 0.71 0.67 0.66 0.77 0.67 0.53 0.46 0.62 0.61 0.58 0.57 0.60 0.53 0.34 0.26 0.77 0.67 0.53 0.46 0.69 0.66 n / a n / a 9 ( 229 ) 0.80 0.74 0.69 0.68 0.86 0.76 0.57 0.50 0.63 0.62 0.59 0.58 0.71 0.63 0.40 0.31 0.86 0.76 0.57 0.50 0.73 0.70 0.60 n / a 10 ( 254 ) 0.83 0.77 0.71 0.70 0.96 0.84 0.62 0.53 0.65 0.64 0.60 0.58 0.83 0.74 0.47 0.36 0.96 0.84 0.62 0.53 0.77 0.74 0.64 n / a 11 ( 279 ) 0.86 0.79 0.74 0.72 1.00 0.92 0.68 0.57 0.66 0.65 0.61 0.59 0.96 0.86 0.55 0.41 1.00 0.92 0.68 0.57 0.81 0.78 0.67 0.61 12 ( 305 ) 0.90 0.82 0.76 0.74 1.00 0.74 0.61 0.68 0.66 0.62 0.60 1.00 0.98 0.62 0.47 1.00 0.74 0.61 0.84 0.81 0.70 0.64 14 ( 356 ) 0.96 0.87 0.80 0.78 0.87 0.71 0.71 0.69 0.64 0.62 1.00 0.78 0.59 0.87 0.71 0.91 0.87 0.75 0.69 16 ( 406 ) 1.00 0.92 0.84 0.82 0.99 0.82 0.74 0.72 0.66 0.63 0.96 0.73 0.99 0.82 0.97 0.94 0.80 0.73 18 ( 457 ) 0.98 0.89 0.85 1.00 0.92 0.77 0.75 0.68 0.65 1.00 0.87 1.00 0.92 1.00 0.99 0.85 0.78 24 ( 610 ) 1.00 1.00 0.97 1.00 0.85 0.83 0.74 0.70 1.00 1.00 1.00 0.99 0.90 30 ( 762 ) 1.00 0.94 0.91 0.80 0.75 1.00 1.00 36 ( 914 ) 1.00 0.99 0.86 0.80 > 48 ( 1219 ) 1.00 0.99 0.90

3.2.6

Table 20 — Load adjustment factors for Hilti HIS-N and HIS-RN internally threaded inserts in cracked concrete ^{1 , 2}

Edge distance in shear HIS-N and HIS-RN Spacing factor in Edge distance Spacing factor in

Concrete thickness

3 all diameters tension factor in tension shear ┴

‖

4 factor in shear cracked concrete ƒ _AN ƒ _RN ƒ Toward edge To edge

AV ƒ _HV ƒ _RV ƒ _RV

Thread size , in . 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4 3 / 8 1 / 2 5 / 8 3 / 4

Spacing ( s ) / edge distance ( c _a ) / concrete thickness ( h ), - in ( mm )

3-1 / 4 ( 83 ) 0.61 n / a n / a n / a 0.59 n / a n / a n / a 0.55 n / a n / a n / a 0.19 n / a n / a n / a 0.37 n / a n / a n / a n / a n / a n / a n / a 4 ( 102 ) 0.63 0.61 n / a n / a 0.66 0.59 n / a n / a 0.57 0.56 n / a n / a 0.26 0.20 n / a n / a 0.51 0.39 n / a n / a n / a n / a n / a n / a 5 ( 127 ) 0.67 0.63 0.61 n / a 0.75 0.66 0.59 n / a 0.58 0.57 0.55 n / a 0.36 0.27 0.17 n / a 0.71 0.55 0.34 n / a n / a n / a n / a n / a

5-1 / 2 ( 140 ) 0.68 0.65 0.62 0.61 0.79 0.69 0.62 0.59 0.59 0.58 0.56 0.55 0.41 0.31 0.19 0.15 0.79 0.63 0.39 0.29 n / a n / a n / a n / a 6 ( 152 ) 0.70 0.66 0.63 0.62 0.84 0.73 0.65 0.62 0.60 0.58 0.56 0.55 0.47 0.36 0.22 0.17 0.84 0.72 0.44 0.34 0.63 n / a n / a n / a 7 ( 178 ) 0.73 0.69 0.65 0.64 0.94 0.80 0.70 0.67 0.62 0.60 0.57 0.56 0.59 0.45 0.28 0.21 0.94 0.80 0.56 0.42 0.69 0.63 n / a n / a 8 ( 203 ) 0.76 0.71 0.67 0.66 1.00 0.88 0.76 0.72 0.63 0.61 0.58 0.57 0.72 0.55 0.34 0.26 1.00 0.88 0.68 0.52 0.73 0.67 n / a n / a 9 ( 229 ) 0.80 0.74 0.69 0.68 0.96 0.83 0.78 0.65 0.63 0.59 0.58 0.86 0.66 0.41 0.31 0.96 0.82 0.62 0.78 0.71 0.61 n / a 10 ( 254 ) 0.83 0.77 0.71 0.70 1.00 0.89 0.84 0.67 0.64 0.60 0.58 1.00 0.77 0.48 0.36 1.00 0.89 0.72 0.82 0.75 0.64 n / a 11 ( 279 ) 0.86 0.79 0.74 0.72 0.96 0.90 0.68 0.65 0.61 0.59 0.89 0.55 0.42 0.96 0.83 0.86 0.79 0.67 0.61 12 ( 305 ) 0.90 0.82 0.76 0.74 1.00 0.96 0.70 0.67 0.62 0.60 1.00 0.63 0.48 1.00 0.95 0.90 0.82 0.70 0.64 14 ( 356 ) 0.96 0.87 0.80 0.78 1.00 0.73 0.70 0.64 0.62 0.79 0.60 1.00 0.97 0.89 0.76 0.69 16 ( 406 ) 1.00 0.92 0.84 0.82 0.77 0.72 0.66 0.64 0.97 0.73 1.00 0.95 0.81 0.74 18 ( 457 ) 0.98 0.89 0.85 0.80 0.75 0.68 0.65 1.00 0.87 1.00 0.86 0.78 24 ( 610 ) 1.00 1.00 0.97 0.90 0.84 0.74 0.70 1.00 0.99 0.90 30 ( 762 ) 1.00 1.00 0.92 0.81 0.75 1.00 1.00 36 ( 914 ) 1.00 0.87 0.80 > 48 ( 1219 ) 0.99 0.91

1 Linear interpolation not permitted 2 When combining multiple load adjustment factors ( e . g . for a four-anchor pattern in a corner with thin concrete member ) the design can become very conservative . To optimize the design , use PROFIS Engineering or perform anchor calculation using design equations from ACI 318 Chapter 17 . 3 Spacing factor reduction in shear , ƒ _AV

, is applicable when edge distance c < 3 * h _ef . If c ≥ 3 * h _ef

, then ƒ _AV = ƒ _AN

.

4 Concrete thickness reduction factor in shear , ƒ _HV , is applicable when edge distance c < 3 * h _ef

. If c ≥ 3 * h _ef , then ƒ _HV

= 1.0 .

Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.6 HVU2 CAPSULE ADHESIVE ANCHORING SYSTEM 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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