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采用桩底、桩侧后注浆法可以在不改变桩径和桩长的前提下,承载力提高显著。结合郑州东站工程介绍了钻孔灌注桩桩底、桩侧后注浆工艺。
The pile bottom and post-pile grouting can improve the bearing capacity significantly without changing the pile diameter and pile length. Combined with the project of Zhengzhou East Railway Station, the bored pile bottom and pile lateral grouting are introduced.