Post-Installed Reinforcing in Fire Conditions
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 |
# 7 |
# 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 h ef, min in.( mm)
Maximum 2 h ef, max in.( mm)
|
4( 102)
22-1 / 2( 572)
|
4( 102)
30( 762)
|
4( 102)
37-1 / 2( 953)
|
4( 102)
45( 1143)
|
4( 102)
45( 1143)
|
4( 102)
17-1 / 2( 445)
|
4( 102)
52-1 / 2( 1334)
|
4( 102)
20( 508)
|
4( 102)
60( 1524)
|
4-1 / 2( 114)
67-1 / 2( 1715)
|
5( 127)
75( 1905)
|
5-1 / 2( 140)
82-1 / 2( 2096)
|
Minimum concrete member thickness h min in.( mm) h ef + 1-1 / 4( 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 |
10M |
15M |
Rebar size
20M
|
25M |
30M |
Nominal bit diameter |
d o |
in. |
9 / 16 |
3 / 4 |
1 |
1-1 / 4 |
1-1 / 2 |
Effective embedment
Minimum h ef, min mm 102 102 102 102 120 Maximum 2 h ef, max mm 678 960 1170 1512 1794
Minimum concrete member thickness 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.
11