| Load(kN) | The top lateral displacement of the column (mm) | YQKZ6 |
|---|---|---|
| 80.0 | +4.8 | A horizontal crack measuring 0.017 mm in width appeared on wing wall A and was 280.0 mm from the top surface of the bottom beam. |
| 80.0 | -4.0 | A slanted crack measuring 0.02 mm in width appeared on wing wall B and was 320.0 mm from the underside of the top beam, and a slanted crack measuring 0.017 mm in width appeared 400.0 mm from the underside of the top beam. |
| 102.4 | +9.6 | A slanted crack appeared on the concrete column and was 300.0 mm from the underside of the top beam. |
| +and-20.0 | Slanted cracks appeared on both wing walls A and B. | |
| 147.9 | -22.5 | Local concrete spalling appeared at the bottom end of the column. |
| 120.7 | -25.0 | The concrete of wing wall A was crushed on a large scale. |