钻孔灌注桩具有噪音低、振动小、桩长和直径按设计要求易于把握,桩端能可靠进入持力层,单桩承载力大等特点。当今在铁路、公路和房屋建筑工程中被广泛应用。对钻孔灌注桩施工中的一些认识和体会进行了探讨。 Bored piles with low noise, small vibration, length and diameter of the pile according to the design requirements easy to grasp, pile end can be reliably into the holding layer, single pile bearing capacity and so on. Today in the railway, highway and housing construction projects are widely used. Some understandings and experiences of bored pile construction are discussed.