结合实际工程，对嵌入卵石层钻孔灌注桩后压浆设计、施工中后压浆方法的选择、注浆量的确定、后压浆桩的承载力计算、后压浆在超长桩中的应用等进行了研究。

Based on actual projects, it carries out research on the choice of post-grouting method, grouting quantity and bearing capacity of bored pile, and the application of post-grouting in super-long pile.

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