5 , comparatively computation analysis is carried out among pcc pile and cast - in - situ concrete circular pile and prefabricate concrete square pile by program which is develop in the paper . two angles such as the same diameter and transect area of the pile are analysed . the advantages of the pcc pile have been proven on the aspects of technique and economy in the paper 5 、将pcc桩和工程中常用于承受水平荷载的灌注圆形桩及预制方形桩进行了对比计算分析，从相同的桩径和等效的截面积两个角度论证了pcc桩在承受水平荷载时的技术经济的优越性，从对比分析中证明了pcc桩优于其他桩型的薄壁性能。
