Do you know the design depth of the well?
你知道这口井的设计井深吗?
In the time of pressing the pile, the grout are inject into the soil. When the pile tip reaches the design depth, then continue to inject grout into the pile, so that the pile head expand.
在压桩过程中同时在桩侧注入浆液,桩尖达到设计深度后,浆液随着桩的沉入在桩端形成注浆扩大头。
Now the strategy of the NRC in term of defense in depth is obviously first of all design the plant such that accidents are prevented.
现在NRC关于纵深防御的策略,很明显是所有的电站设计的第一个,这样就能防止事故的发生。
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