较传统的直杆灌注桩,带盘灌注桩在承载力方面有着明显的优势。但由于常规的挤扩法生产的挤扩带盘灌注桩存在施工工艺复杂、质量难以保证等缺陷,阻碍了该新桩型的推广应用。本文介绍的钻孔扩盘机营造带盘灌注桩的施工方法,是由扩臂刀旋转切削土体自动生成锥形盘腔系,同时实现了钻、扩一体,使施工工艺大为简化,为传统钻孔灌注桩的技术升级提供了有效途径。 Compared with the traditional straight bored piles, piles with piles have obvious advantages in bearing capacity. However, due to the conventional squeeze expansion method of production and distribution of squeezed with the existence of piles with complex construction techniques, difficult to ensure the quality and other defects, hindering the popularization and application of the new pile. This article describes the construction of drilling and expanding machine to create a pile with piles, is the expansion of the knife by cutting the soil to automatically generate conical disk chamber system, while achieving the drilling, expanding one, so that the construction process is greatly simplified as The traditional technology of bored piles provides an effective way to upgrade.