Composite Reinforced concrete Column 工 Comparison with Dimensions [cm] 70170 80/120 other methods Beam Dimensions [cm] 160/40 160/120 Composite beam Steel beam without any shear connection Steel cross section IPE 400 IPE 550 HE 360 B Construction height [mm] 560 710 520 Load capacity 100% 100% 100% Steel weight 100% 159% 214% Construction height 100% 127% 93% Stiffness 100% 72% 46%
Comparison with other methods
(c) (d) (a (b) T☑：T☑：T好 (e) ( (g) (h) Note:Optional flange plates similar to that shown in(a)can also be used with (b),(e)and(f). Alternative Steel Beam Types
Alternative Steel Beam Types
Advantages of Composite Construction EEiErzt8Z80z1 7Z∠台星(E老目 名0三/0三店0三☑EJ In a composite floor system the concrete acts together with the steel to create a stiffer,lighter,less expensive structure (Allen 1999)
Advantages of Composite Construction In a composite floor system the concrete acts together with the steel to create a stiffer, lighter, less expensive structure (Allen 1999)
Advantages of Composite Construction Connecting the concrete to the steel beams can have several advantages: It is typical to have a reduced Shallower beams may be used structural steel frame cost which might reduce building Weight of the structural steel height frame may be decreased which Increased span lengths are may reduce foundation costs possible
Advantages of Composite Construction Connecting the concrete to the steel beams can have several advantages: • It is typical to have a reduced structural steel frame cost • Weight of the structural steel frame may be decreased which may reduce foundation costs • Shallower beams may be used which might reduce building height • Increased span lengths are possible
Disadvantages of Composite Construction The additional subcontractor needed for shear connector installation will increase field costs Installation of shear connectors is another operation to be included in the schedule A concrete flatwork contractor who has experience with elevated composite slabs should be secured for the job
Disadvantages of Composite Construction • The additional subcontractor needed for shear connector installation will increase field costs • Installation of shear connectors is another operation to be included in the schedule • A concrete flatwork contractor who has experience with elevated composite slabs should be secured for the job