A Novel Method for Deflection Calculation of Reinforced Concrete Stair Slabs considering Step Stiffness
Table 2
Mechanical and physical properties of concrete and steel rebars.
Concrete
Steel rebar
Cubic compressive strength, fcu (MPa)
Yield strength, fy (MPa)
Cylinder compressive strength, fc (MPa)
12.92
Elastic modulus, Es (GPa)
210
Tensile strength, ft (MPa)
1.88
Poisson’s ratio, νs
0.30
Elastic modulus, Ec (GPa)
23.58
Density, ρs (kg/m3)
7850
Poisson’s ratio, νc
0.20
Density, ρc (kg/m3)
2400
Notes. denotes the data measured in the experiment [4]; according to the Chinese code (GB 50010-2010) [29], fc = 0.76fcu, , and Ec = 105/(2.2 + 34.7/fcu).
