Page 261 - ICC IEBC 2018

RESOURCE A

TABLE 2.5.1.2
STEEL COLUMNS—CONCRETE ENCASEMENTS
6″ TO LESS THAN 8″ THICK
ITEM MINIMUM PERFORMANCE REFERENCE NUMBER REC.
CODE DIMENSION CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 NOTES HOURS
7″ × 8″ column; 4″ × 3″ × 10 lbs. “H” beam;
Protection: brick filled concrete (6220 psi); 2 hrs.
3
C-7-SC-1 7″ 12 tons 7 1 2 /
6″ × 4″ mesh - 13 SWG; 1″ below 46 min. 4
column surface.
7″ × 8″ column; 4″ × 3″ × 10 lbs. “H” beam;
C-7-SC-2 7″ Protection: gravel concrete (5140 psi); 12 tons 3 hrs. 7 1 3
1 min.
6″ × 4″ 13 SWG mesh 1″ below surface.
7″ × 8″ column; 4″ × 3″ × 10 lbs. “H” beam;
C-7-SC-3 7″ Protection: concrete (4540 psi); 6″ × 4″ 12 tons 3 hrs. 7 1 3
9 min.
- 13 SWG mesh; 1″ below column surface.
7″ × 8″ column; 4″ × 3″ × 10 lbs. “H” beam;
3
C-7-SC-4 7″ Protection: gravel concrete (5520 psi); 12 tons 2 hrs. 7 1 2 /
50 min. 4
4″ × 4″ mesh; 16 SWG.
For SI: 1 inch = 25.4 mm, 1 pound per square inch = 0.00689 MPa, 1 ton = 8.896 kN.
Notes:
1. Failure mode—collapse.

242 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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