冲击钻在桥梁施工中的试验应用与效益分析

Drill’s Application and Benefit Analysis in Bridge Construction

针对福州绕城高速公路桥梁施工多采用钻孔灌注桩施工方法,研究分析了冲击钻机在桥梁下部机械施工效益模型及其影响因素。通过工程试验和对钻进效益的分析,提出了钻孔机的应用特点,以利于对桥梁机械进行合理配置,对于提高机械生产率、降低机械费用和生产成本,实现经济效益的增加具有参考意义。

According to the bored pile construction method used in the bridge construction of Fuzhou circumferential expressway,the beneficial model and its influencing factors of the drill are analyzed,and the application features of drill machine is put forward.The benefit of the drill is analyzed,which is helpful to the rational allocation of bridge machinery.It is a referential meaning for increasing the economic benefit of the bridge engineering,and improving productivity and reducing production costs.