After drilling, the jackup drilling rig with biggish pile shoes will produce a certain influence on foundation of bucket foundation platform during pile extracting.
在完成钻井作业后，桩靴较大的自升式钻井船在拔桩中会对筒型基础平台的地基产生一定的影响。
When extracting piles, in the condition of vibration to pull out the pile by using excavator lift force.
拔桩时，在一边振动的情况下，以挖机上提力将桩拔起。
When extracting piles, in the condition of vibration to pull out the pile by using excavator lift force.
拔桩时，在一边振动的情况下，以挖机上提力将桩拔起。
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