Essential Characteristics For Rebar Under Tension Load In Concrete - Hilti HIT-HY 200-R V3 Manual

Table C1: Essential characteristics for rebar under tension load in concrete
Rebar
Diameter of rebar
Pull-out resistance
Characteristic bond resistance in uncracked concrete C20/25
Temperature range I:
40°C/24°C
Temperature range II:
80°C/50°C
Temperature range III:
120°C/72°C
Influence of cracked concrete
Installation safety factor
Hammer drilling
Hammer drilling with Hilti hollow
drill bit TE-CD or TE-YD
Diamond coring with roughening
with Hilti roughening tool TE-YRT
Bond-splitting resistance
Product basic factor
Exponent for influence of concrete
compressive strength
Exponent for influence of rebar
ϕ
diameter
Exponent for influence of concrete
cover c
d
Exponent for influence of side
concrete cover (c / c
max d
Exponent for influence of
anchorage length l
b
Influence factors  on bond resistance 
Cracked and uncracked concrete:
Factor for concrete strength
Cracked and uncracked concrete:
Sustained load factor
Concrete cone failure
Factor for uncracked concrete
Factor for cracked concrete
Edge distance
Spacing
Essential characteristics under tension load in concrete for bond-
splitting and concrete cone resistances
ETA 19/0665 v03 of 22/01/2020
ϕ
[mm]

[N/mm²]
Rk,ucr

[N/mm²]
Rk,ucr

[N/mm²]
Rk,ucr
 
[-]
cr

[-]
inst

[-]
inst
 
[-]
inst

A [-]
k
sp1 [-]
sp2 [-]
sp3 [-]
sp4 [-]
)
lb1 [-]
Rk
C30/37

C40/45
c
C50/60
40°C/24°C
 
80°C/50°C
sus
120°C/72°C
k [-]
ucr,N
k [-]
cr,N
c [mm]
cr,N
s [mm]
cr,N
Hilti HIT-HY 200-R V3
Performances
ϕ10 ϕ 12 ϕ 14 ϕ 16 ϕ20 ϕ 25 ϕ 26 ϕ 28 ϕ 30 ϕ 32
ϕ8
8 10 12 14 16
0,53 0,58
-
20 25 26 28 30
12
10
8,5
0,61 0,64
1,0
1,0
1,0
4,1
0,31
0,32
0,67
0,25
0,45
1,04
1,07
1,10
0,74
0,89
0,72
11,0
7,7
1,5  l
b
3,0  l
b
Annex C1
of ETA N° 19/0665
page 18 of 18
32
0,73