Design Of Plate  Girder : Program Info./Limitations ( Actual program is available in Super Civil CD )
Structural steel design is as per Indian Standard No.IS:800-1984.
The plate girder compound section consists of two angles each  placed at top & bottom, flange plates at top and bottom of angles, and  ISMC section  placed  at top and bottom of flange plates. All Webs are assumed as un-stiffened. Gap between web plate and top flange angles is assumed as 10 mm.
Actual deflection value is increased by 10 % , to account for any concentrated  load.
Yield stress fy = 250 Mpa. E = 200000 Mpa.
Increase in stress factor is applied to permissible stresses, hence stress ratio is always taken as less than or equal to one.
Only following ANGLE and ISMC members are used in design.
40 x 40 x 6	45 x 45 x 6	50 x 50 x 6	65 x 65 x 6	65 x 65 x 8	65x 65 x 10
75 x 75 x 6	75 x 75 x 8	75 x 75 x 10	80 x 80 x 6	80 x 80 x 8	90 x 90 x 6
90 x 90 x 8	90 x 90 x 10	90 x 90 x 12	100 x 100 x 6	100 x 100 x 8	100 x 100 x 10
100 x 100 x 12	130 x 130 x 10	130 x 130 x 12	150 x 150 x 12	200 x 200 x 16	200 x 200 x 20
MC75	MC100	MC125	MC150	MC175	MC200
MC250	MC300	MC400