Talking about the construction technology of cast-in-place bored pile foundation of bridge

With the practical example of Jiantong Bridge in Suzhou new district,this paper briefly introduces the cast-in-place bored pile construction methods,and the key techniques are expounded such as holes drilling,holes clearing,reinforcement cages fabricating and installing,underwater concrete casting and so on,in order to increase the construct quality of cast-in-place bored pile foundation of bridge.