(3-4):
Load(kN) The top lateral displacement of the column (mm) YQKZ4
90.0 +6.7 A horizontal crack measuring 0.02 mm in width appeared on wing wall A and was 210.0 mm from the top surface of the bottom beam.
174.7 +13.5 A slanted crack appeared on the concrete column and was 270.0 mm from the underside of the top beam.
+and-20.0 Slanted cracks appeared on both wing walls A and B and were 300.0 mm away from the underside of the top beam on the concrete column.
253.5 -25.0 Wing wall A showed widespread crushing, and the longitudinal reinforcement became exposed.