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大榭大桥北仑岸引桥有一段采用钢筋混凝土现浇曲梁 ,曲梁施工 1～ 3个月后在墩柱周围翼板底部出现了横向裂纹 ,裂纹出现时间、部位、形状呈规律性 ,文中对翼板裂纹产生的原因作了分析 ,并提出了预防此类裂纹发生的防治措施。
One section of Beilun shore approach bridge of Daxie Bridge adopts reinforced concrete cast-in-situ curved girder. Lateral cracks appear at the bottom of the wing panels around the pier 1 to 3 months after the curved beam construction. The time, location and shape of cracks appear regular. The causes of crack in the wing were analyzed, and the prevention and control measures to prevent such crack were put forward.