To cover the deficiencies of field tests, bearing capacity, stress field and displacement field of soil at the end of DCTP and common cast-in-place pile are compared using the FEM program.

• 第五，为弥补现场试验的不足，利用有限元程序对筒桩和普通灌注桩的承载能力、桩端土应力场和位移场进行系统的对比分析。