Post-Installed Reinforcing in Fire Conditions 2024
INSTALLATION PARAMETERS
Figure 3— Hilti HIT-FP 700 R installation conditions
Permissible base material |
Uncracked concrete
Cracked concrete
|
Dry concrete
Water-saturated concrete
|
Permissible drilling method |
Hammer drilling with carbide
tipped drill bit
Hilti TE-CD or TE-YD hollow
drill bit and Hilti VC vacuum
Diamond core drill bit with Hilti TE-YRT roughening tool
|
Figure 4— Rebar installed with Hilti HIT-FP 700 R adhesive
Table 1— Specifications for ASTM A615 / A706 rebar installed with HIT-FP 700 R adhesive 1
Setting information Symbol Units
Rebar size # 3 # 4 # 5 # 6 # 6 # 7 # 7 # 8 # 8 # 9 # 10 # 11
Nominal bit diameter d o in. 1 / 2 5 / 8 3 / 4 7 / 8 1 1 1-1 / 8 1-1 / 8 1-1 / 4 1-3 / 8 1-1 / 2 1-3 / 4
Effective embedment
Minimum concrete member thickness
Minimum h ef, min in. 2-3 / 8 2-3 / 4 3-1 / 8 3-1 / 2 15 3-1 / 2 17-1 / 2 4 20 4-1 / 2 5 5-1 / 2( mm)( 60)( 70)( 79)( 89)( 381)( 89)( 445)( 102)( 508)( 114)( 127)( 140)
Maximum 2 h ef, max in. 22-1 / 2 30 37-1 / 2 15 45 17-1 / 2 52-1 / 2 20 60 67-1 / 2 75 82-1 / 2( mm)( 572)( 762)( 953)( 381)( 1143)( 445)( 1334)( 508)( 1524)( 1715)( 1905)( 2096) in. h ef
+ 1-1 / 4 h min
( mm)( h ef + 30)
( h ef + 2d o
)
1 HIT-FP 700 R adhesive can be used with any grade of ASTM A615 / A706 rebar. 2 Maximum effective embedment depth shown in table is 60d b and can be increased as needed to satisfy calculated rebar development length for ambient temperature or fire condition.
Table 2— Specifications for CSA-G30.18 rebar installed with HIT-FP 700 R adhesive 1
Setting information Symbol Units
Rebar size 10M 15M 20M 25M 30M
Nominal bit diameter d o in. 9 / 16 3 / 4 1 1-1 / 4 1-1 / 2
Effective embedment
Minimum concrete member thickness
Minimum h ef, min mm 70 80 90 101 120
Maximum 2 h ef, max mm 678 960 1170 1512 1794 h min mm h ef + 30 h ef
+ 2d o
1 HIT-FP 700 R adhesive can be used with any grade of CSA-G30.18 rebar. 2 Maximum effective embedment depth shown in table is 60d b and can be increased as needed to satisfy calculated rebar development length for ambient temperature or fire condition.
September 2024
11