桶形基础采用负压沉贯法施工，与压桩、打桩等施工方法显著不同，且阻力特性受地基性质影响很大。
The bucket foundation suction penetration technique is different from the pile driving technique, and the characteristics of penetration resistance is greatly influenced by the seabed character.
并根据打桩引起的桩负摩阻力概念对两类桩基沉降差异的机制作了分析。
And the mechanism causing the difference is also analyzed based on the concept of negative frictional resistance.
在软基中打桩时，软土层对桩的阻力很小。
The resistance from soft soil layers is smaller while piling in soft foundation.
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