脚尖
If tip back bend and toe of heavy labial wire were increased, the molar anchorage preparation can be produced, this is a active reinforced anchorage.
若在颊侧管近中端给粗唇弓加弯末端内收弯及后倾曲,尚可使磨牙进行支抗预备,即起主动支抗加强效能。
the tip of a toe.
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The pressure injection peg at peg end is injection serosity around pile toe and pile tip to consolidate soil around pile toe and pile tip, and form a enlarge head which carrying capacity was higher than original soil layer, so that can improve carrying capacity of pile.
桩端压力注浆桩主要是通过向桩底及桩端周围注入浆液,加固桩底及桩端周围的土体,形成一个具有高于原土层承载力的扩大头,从而提高桩的承载力。
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