【摘要】 探讨广州市解放大桥钻孔灌注桩施工工艺，着重阐述各主要工序如测量、机械设备、固定钢平台及其搭设、钢护筒制作与安装、钻机成孔、钢笼制作与安装、清孔、导管、漏斗、剪球、水下混凝土配制及浇注等施工工艺。经本工程的实践，对跨江大桥的水下桩施工总结出一套较成熟、可操作性较强的施工工艺经验。更多还原

【Abstract】 The construction process of Bored and Castinplace piles of Jiefang Bridge in Guangzhou is discussed,and the key techniques are introduced and stressed such as measuring,mechanical equipment, fixing and setting of steel platform making and installation of steel casing,holes drilling,steel cages,holes clearing,conduct,hopper,shear ball,underwater concrete mixing and casting,etc..Through practice of building such a big bridge,a set of technological experience has been summarized which is mature and easy to operate in constructing underwater piles of overriver bridges.更多还原