Table 1 Properties of test specimens (Kawashima et al. 2002).
From: Seismic Performance Assessment of Hollow Reinforced Concrete and Prestressed Concrete Bridge Columns
Specimen | TP-35 | TP-37 |
|---|---|---|
Section | Square (hollow) | |
Section size (mm) | 400 × 400 (200 × 200) | |
Effective height (mm) | 1350 | |
Effective depth (mm) | 350 | |
Aspect ratio | 3.86 | |
Longitudinal reinforcement ratio | 2.53 | |
Volumetric ratio of tie reinforcement | 1.13 | |
Cylinder strength of concrete (MPa) | 24.0 | |
Longitudinal reinforcement | SD295A D13 (yield strength = 374 MPa) | |
Tie reinforcement | SD295A D6 (yield strength = 363 MPa) | |
Axial force (kN) | 230 (constant) (2.0 MPa at the bottom) | −10 to 410 (varying) (0–3.5 MPa at the bottom) |