苏通长江公路大桥试验钻孔施工工艺

Construction Technology of Testing Borehole in Changjiang Highway Bridge of Suzhou - Nantong

摘要:

苏通长江公路大桥主塔基础采用巨型群桩基础，施工前要模拟水上钻孔桩进行钻孔工艺试验，试验钻孔的技术要求高于现行规范要求。介绍了试验钻孔施工技术及取得的成果。

Abstract:

Heavy pile group foundation was taken as the main pylon for Changjiang highway bridge of Suzhou - Nantong, hole boring technique was tested through simulating borehole pile in water before construction by overtopping current specifications. The result of construction technology of testing borehole was introduced in this paper.