The Design Shear Resistance - Hilti HIT-RE 500 Manual

Injection mortar system with rod
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Hilti HIT-RE 500 mortar
with HIS-(R)N sleeve
Influence of edge distance
c/c
cr,N
c/c
cr,sp
f
=
0,7 + 0,3 c/c
1,N
cr,N
f
= 0,7 + 0,3 c/c
1,sp
cr,sp
f
=
0,5 (1 + c/c
)
2,N
cr,N
f
= 0,5 (1 + c/c
2,sp
cr,sp
a)
The the edge distance shall not be smaller than the minimum edge distance c
setting details. These influencing factors must be considered for every edge distance smaller than the critical
edge distance.
Influence of anchor spacing
s/s
cr,N
s/s
cr,sp
f
=
0,5 (1 + s/s
)
3,N
cr,N
f
= 0,5 (1 + s/s
3,sp
cr,sp
a)
The anchor spacing shall not be smaller than the minimum anchor spacing s
setting details. This influencing factor must be considered for every anchor spacing.
Influence of embedment depth on concrete cone resistance
Influence of reinforcement
h
[mm]
ef
/200mm ≤ 1
= 0,5 + h
f
ef
re,N
a) This factor applies only for dense reinforcement. If in the area of anchorage there is reinforcement with a
spacing ≥ 150 mm (any diameter) or with a diameter ≤ 10 mm and a spacing ≥ 100 mm, then a factor f
may be applied.
Shear loading
The design shear resistance is the lower value of
- Steel resistance:
Concrete pryout resistance:
-
- Concrete edge resistance:
588
These pages are part of the Anchor Fastening Technology Manual issue September 2014
a)
0,1
0,73
0,55
)
a)
0,1
0,55
)
V
Rd,s
V
= k lower value of N
Rd,cp
0
V
= V
Rd,c
Rd,c
0,2
0,3
0,4
0,76
0,79
0,82
0,85
0,60
0,65
0,70
0,75
0,2
0,3
0,4
0,60
0,65
0,70
0,75
f
= 1
h,N
80
a)
0,9
and N
Rd,p
Rd,c
f
f
f
f
f
f
B
ß
h
4
hef
c
0,5
0,6
0,7
0,8
0,88
0,91
0,94
0,80
0,85
0,90
given in the table with the
min
0,5
0,6
0,7
0,8
0,80
0,85
0,90
given in the table with the
min
90
a)
0,95
0,9
1
0,97
1
0,95
1
0,9
1
0,95
1
≥ 100
1
= 1
re
09 / 2014

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