Capacity Calculation Of  RC Beam Section
UNDER FIRE.
( Actual Program is included in Super Civil CD )
( Similar program is also included  for Slab Under FIRE )
INPUT WIDTH in MMS
INPUT DEPTH in MMS
SELECT DIA OF MAIN BAR AT BEAM BOTTOM
INPUT NUMBER OF BOTTOM BARS
SELECT DIA OF MAIN BAR AT BEAM TOP
INPUT NUMBER OF TOP BARS
SELECT CONCRETE GRADE
SELECT CLEAR COVER TO REINFORCEMENT
                        
NORMAL ULTIMATE BEAM CAPACITY IN BENDING  [T-M].      100 %
ULTIMATE BEAM CAPACITY AFTER 1. 0 HOUR OF FIRE [T-M].     
ULTIMATE BEAM CAPACITY AFTER 1. 5 HOURS OF FIRE [T-M].     
ULTIMATE BEAM CAPACITY AFTER 2. 0 HOURS OF FIRE [T-M].     
ULTIMATE BEAM CAPACITY AFTER 3. 0 HOURS OF FIRE [T-M].     
ULTIMATE BEAM CAPACITY AFTER 4. 0 HOURS OF FIRE [T-M].     
Note : γ m  is taken as 1.0 & 1.2 for steel & concrete respectively in fire calculations. 
f' y = 415 N/mm2