| Load(kN) | The top lateral displacement of the column (mm) | YQKZ1 |
|---|---|---|
| 70.0 | +3.9 | A horizontal crack measuring 0.04 mm in width appeared on wing wall A and was 330.0 mm from the top surface of the bottom beam. |
| 186.7 | +16.2 | A slanted crack appeared on the concrete column and was 320.0 mm from the underside of the top beam. |
| 210.7 | +20.0 | A slanted crack appeared on wing wall A and was 330.0 mm from the underside of the top beam. |
| 253.9 | -30.0 | Local concrete spalling appeared on the bottom end of the column as soon as the wing walls adjacent to the two sides of the column exhibited slanted cracks 200.0 mm–300.0 mm from the underside of the top beam. |
| -40.0 | The concrete of wing wall A was crushed. |