Research Article

Research on Hysteretic Models for Prestressed and Non-Prestressed Steel Reinforced Concrete Frames

Table 1

Analysis parameters.

PSRCFSRCF

Parameter categoryParameter change rangeRemarksParameter's rangeRemarks

Column slenderness ratio β6; 8; 10; 12Corresponding column height: 1500 mm; 2000 mm; 2500 mm; 3000 mm6; 8; 10; 12Corresponding column height: 1500 mm; 2000 mm; 2500 mm; 3000 mm

Axial compression ratio n00.1; 0.2; …; 0.80.1; 0.2; …; 0.8

Concrete strength fcu (MPa)30, 40, 5030, 40, 50

Sectional resistance moment of shaped steel in beam Wss-b (mm3)82.126, 64.521Corresponding H-shaped steel: H180 × 50 × 4×8; H150 × 50 × 4×882.126, 64.521Corresponding H-shaped steel: H180 × 50 × 4×8; H150 × 50 × 4×8

Sectional resistance moment of shaped steel in column Wss-c (mm3)256.281, 206.098H180 × 150 × 4 × 10 H150 × 150 × 4×10256.281, 206.098H180 × 150 × 4 × 10 H150 × 150 × 4×10

Reinforcement ratio of longitudinal steel bars in beam ρs-b0.785%, 1.131%, 1.539%410, 412, 4140.785%, 1.131%, 1.539%410, 412, 414

Reinforcement ratio of longitudinal steel bars in column ρs-c0.724%, 0.985%, 1.287%412, 414, 4160.724%, 0.985%, 1.287%412, 414, 416

Yield strength for shaped steels fss-b and fss-c (MPa)235, 345, 390Q235, Q345, Q390235, 345, 390Q235, Q345, Q390

Yield strength of longitudinal steel bars fy-b and fy-c (MPa)300, 335, 400HPB300, HRB335, HRB400300, 335, 400HPB300, HRB335, HRB400

Prestressed degree λ0.31, 0.45, 0.541s9.5, 1s12.7, 1s15.2