黄河特大桥水中桩基双护筒成孔施工技术

Boring construction technology of double protective pipes for pile foundation construction in water of the Yellow River super large bridge

为了方便施工,黄河特大桥水中桩基施工采用施工便桥和搭设工作平台进行,并结合具体工程,介绍了水中桩基双护筒成孔施工工艺,解决了卵石层中施工的漏浆问题,以利于桩基成孔。

In order to realize easy to construction the construction of pile foundation in water of the Yellow River super large bridge adopted the methods with temporary bridge and working platform. Combined with practical work the boring construction technology of double protective pipes for pile foundation construction in water is introduced, which resolve the mud leakage questions in pebble bed ensure smooth boring construction.