The application of riprap-course cast-in-situ pile construction technology fills up a blank of the local construction of cast-in-situ pile.

• 抛石层灌注桩施工工艺的应用填补了国内灌注桩施工的一项空白,它具有操作简便、确保成孔质量、设备简单、工期短、成本低等特点。