Acoustics detection ultrasound screening pile pipe is execute when the probe into the pile body external channel.
声测管是灌注桩实行超声检测法时探头进到桩身外部的通道。
2
The moving cone method which is usually used to optimize the pit limits is used to establish the external spoil pile limits. with the aid of a computer, it can establish spoil pile limits rapidly.
借用露天开采境界优化的常用动锥法，对外排土场境界赋值，且可用计算机实现境界赋值全过程。
3
This dissertation summarizes the domestic and external newest achievements on the aspects of the research of high-filling embankment action for bridge pile foundation.