Page 264 - ICC IEBC 2018

RESOURCE A

FIGURE 2.5.1.4
STEEL COLUMNS—CONCRETE ENCASEMENTS
MINIMUM DIMENSION 10″ TO LESS THAN 12″
NUMBER OF
ASSEMBLIES

10
The number in each box is
keyed to the last number in the
Item Code column in the Table.
For example:
C-11-SC-34

36 35

31 30
5
22 28 16

19 12 15 34

32 18 4 13 29

21 20 17 3 8 10 27 24

11 7 9 14 1 5 2 6 23 26 33 25
0
0 1 2 3 4 5 6 7 8 9 10

FIRE RESISTANCE RATING (HOURS)
TABLE 2.5.1.4
STEEL COLUMNS—CONCRETE ENCASEMENTS
MINIMUM DIMENSION 10″ TO LESS THAN 12″
ITEM MINIMUM PERFORMANCE REFERENCE NUMBER REC.
CODE DIMENSION CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 NOTES HOURS
10″ × 12″ concrete encased steel column;
C-10-SC-1 10″ 8″ × 6″ × 35 lbs. “H” beam; Protection: gravel 90 tons 3 hrs. 7 1,2 3
aggregate concrete (3640 psi); Mesh 6″ × 4″ 13 7 min.
SWG, 1″ below column surface.
10″ × 16″ column; 8″ × 6″ × 35 lbs. “H” beam; 4 hrs.
C-10-SC-2 10″ Protection: clay brick concrete (3630 psi); 6″ × 90 tons 6 min. 7 2 4
4″ mesh; 13 SWG, 1″ below column surface.
10″ × 12″ column; 8″ × 6″ × 35 lbs. “H” beam;
1
C-10-SC-3 10″ Protection: crushed stone and sand concrete 90 tons 3 hrs. 7 2 3 /
(3930 psi); 6″ × 4″ - 13 SWG mesh; 1″ below 17 min. 4
column surface.
10″ × 12″ column; 8″ × 6″ × 35 lbs. “H” beam;
1
C-10-SC-4 10″ Protection: crushed basalt and sand concrete 90 tons 3 hrs. 7 2 3 /
(4350 psi); 6″ × 4″ - 13 SWG mesh; 1″ below 22 min. 3
column surface.
10″ × 12″ column; 8″ × 6″ × 35 lbs.
3 hrs.
1
C-10-SC-5 10″ “H” beam; Protection: gravel aggregate 90 tons 39 min. 7 2 3 / 2
concrete (5570 psi); 6″ × 4″ mesh; 13 SWG.
10″ × 16″ column; 8″ × 6″ × 35 lbs. “I” beam; 4 hrs.
1
C-10-SC-6 10″ Protection: gravel concrete (4950 psi); mesh; 90 tons 32 min. 7 2 4 / 2
6″ × 4″ 13 SWG 1″ below column surface.
(continued)

2018 INTERNATIONAL EXISTING BUILDING CODE ® 245
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