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介绍在高速公路中央分隔带内大直径超深灌注桩采用混凝土护壁、人工成孔、成桩的主要施工技术和应用效果。
The main construction techniques and application effects of using concrete retaining walls, artificial holes and piles into large-diameter ultra-deep bored piles in the central divider of expressway are introduced.