A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Large-diameter punching filling pile construction method under influence of seawater seepage in sea reclamation area
The invention provides a large-diameter punching cast-in-place pile construction method under the influence of seawater seepage in a sea reclamation area, and belongs to the technical field of punching cast-in-place pile construction. The construction method comprises the following steps that 1, a site is leveled; step 2, preparing polyanionic cellulose slurry by using seawater; step 3, measuring and positioning, and embedding a steel casing; 4, a WKS percussion drill is in place and conducts percussion drilling; 5, performing primary hole cleaning by adopting a hole bottom zero-sediment hole cleaning process; sixthly, a reinforcement cage is manufactured and installed; 7, a guide pipe is put down, and secondary hole cleaning is carried out; 8, underwater concrete pouring is carried out; ninthly, post-grouting is conducted on the pile bottom; and step 10, pile foundation detection.
本发明提供了填海造陆区域海水渗流影响下大直径冲孔灌注桩施工方法，属于冲孔灌注桩施工技术领域。该施工方法包括以下步骤：步骤1，场地平整；步骤2，使用海水制备聚阴离子纤维素泥浆；步骤3，测量定位、埋设钢护筒；步骤4，WKS冲击钻机就位并冲击钻孔；步骤5，采用孔底零沉渣清孔工艺进行一次清孔；步骤6，钢筋笼制作安装；步骤7，下放导管、二次清孔：步骤8，水下混凝土灌注；步骤9，桩底后注浆；步骤10，桩基检测。
Large-diameter punching filling pile construction method under influence of seawater seepage in sea reclamation area
The invention provides a large-diameter punching cast-in-place pile construction method under the influence of seawater seepage in a sea reclamation area, and belongs to the technical field of punching cast-in-place pile construction. The construction method comprises the following steps that 1, a site is leveled; step 2, preparing polyanionic cellulose slurry by using seawater; step 3, measuring and positioning, and embedding a steel casing; 4, a WKS percussion drill is in place and conducts percussion drilling; 5, performing primary hole cleaning by adopting a hole bottom zero-sediment hole cleaning process; sixthly, a reinforcement cage is manufactured and installed; 7, a guide pipe is put down, and secondary hole cleaning is carried out; 8, underwater concrete pouring is carried out; ninthly, post-grouting is conducted on the pile bottom; and step 10, pile foundation detection.
本发明提供了填海造陆区域海水渗流影响下大直径冲孔灌注桩施工方法，属于冲孔灌注桩施工技术领域。该施工方法包括以下步骤：步骤1，场地平整；步骤2，使用海水制备聚阴离子纤维素泥浆；步骤3，测量定位、埋设钢护筒；步骤4，WKS冲击钻机就位并冲击钻孔；步骤5，采用孔底零沉渣清孔工艺进行一次清孔；步骤6，钢筋笼制作安装；步骤7，下放导管、二次清孔：步骤8，水下混凝土灌注；步骤9，桩底后注浆；步骤10，桩基检测。
Large-diameter punching filling pile construction method under influence of seawater seepage in sea reclamation area
填海造陆区域海水渗流影响下大直径冲孔灌注桩施工方法
LIU CHUNMEI (author) / SUN JIAN (author) / LIU QIANQIAN (author) / ZOU ZHICHAO (author) / LI TIANDONG (author)
2023-11-24
Patent
Electronic Resource
Chinese
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