武汉白沙洲大桥南岸水中墩基础施工

Construction of the Pier Foundation in the South of the Wuhan Baishazhou Bridge

武汉市白沙洲大桥正桥是一座双塔钢箱梁斜拉桥，南侧正桥为Ｔ梁简支结构，其南岸水中墩基础采用钻孔灌注桩。介绍了水中墩基础施工时施工栈桥、钻孔平台的方案选择及施工，同时介绍了钻孔和围堰的施工方法。实践证明，该施工方法经济实用。

The main bridge of Wuhan Baishazhou Bridge is a steel box girder cable stayed bridge with double tower.The structure in the south of the bridge is a simple supported T beam bridge,its pile foundations are boredpiles.The plan selection and construction of construction trestle bridge and bored platform were introduced,and the construction methods of borehole and cofferdam were also presented.Through practice,it was shown the construction methods were practical and economic.