It has a series of advantages compared with common cast-in-situ pile, such as, simple in construction, lower cost, higher bearing capacity, more reliable quality and lighter pollution.

• 这种桩具有施工方便、造价低廉、单桩承载力高、桩身质量稳定可靠和无污染等多方面的优点,是一种极其开发前景的新型桩。