Hilti HIT-HY 150 MAX post-installed rebars - coBuilder

Hilti HIT-HY 150 MAX
post-installed rebars
Basic design data for rebar design according to rebar ETA
Bond strength in N/mm² according to ETA 08/0202 for good bond conditions
for all drilling methods
Rebar (mm)
Concrete class
C12/15 C16/20 C20/25 C25/30 C30/37 C35/45 C40/50 C45/55 C50/60
8 - 24 1,6 2,0 2,3 2,7 3,0 3,4 3,4 3,4 3,7
25 1,6 2,0 2,3 2,7 3,0 3,4 3,7 3,7 3,7
Pullout design bond strength for Hit Rebar design
Design bond strength in N/mm² according to ETA 08/0352 (values in table are
design values, fbd,po = τRk/γMp
Hammer or compressed air drilling. Uncracked concrete C20/25.
temperature
Bar diameter
range 8 10 12 14 16 20 22 24 25
I: 40°C/24°C 5,3 6,3 5,3
II: 80°C/50°C 4,4 5,3 4,4
III: 120°C/72°C 2,8 3,3 2,8
Hammer or compressed air drilling. Cracked concrete C20/25.
temperature
Bar diameter
range 8 10 12 14 16 20 22 24 25
I: 40°C/24°C - 3,7 4,0 3,3
II: 80°C/50°C - 3,0 3,3 3,7 4,0 3,3
III: 120°C/72°C - 2,0 2,3 2,2
Increasing factor in non-cracked concrete: f B,p =(f cck /25) 0,1 (f cck : characteristic compressive strength on cube)
Additional Hilti Technical Data
Reduction factor for splitting with large concrete cover: δ = 0,306
842
09 / 2012