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A platform for research: civil engineering, architecture and urbanism
Method for constructing cast-in-situ bored pile in karst cave area
The invention relates to a cast-in-situ bored pile construction method in a karst cave area, and relates to the field of cast-in-situ bored pile construction technologies, and the cast-in-situ bored pile construction method comprises the steps that 1, a construction site is investigated, a pile casing with the length being L1 is prepared, and L1 is larger than 10 M; 2, pile position paying-off positioning is carried out, and a pile casing is placed; thirdly, positive circulation hole forming is conducted, and a reinforcement cage is placed; and 4, reverse circulation hole cleaning and concrete pouring are conducted. The method has the effects of high pore-forming rate and good success quality.
本申请涉及一种溶洞区钻孔灌注桩施工方法，涉及钻孔灌注桩施工技术的领域，其包括：步骤一，施工现场调查，准备长度为L1的护筒，L1大于10M；步骤二，桩位放线定位，放置护筒；步骤三，正循环成孔，放置钢筋笼；步骤四，反循环清孔，混凝土浇筑。本申请具有成孔率高、成功质量好的效果。
Method for constructing cast-in-situ bored pile in karst cave area
The invention relates to a cast-in-situ bored pile construction method in a karst cave area, and relates to the field of cast-in-situ bored pile construction technologies, and the cast-in-situ bored pile construction method comprises the steps that 1, a construction site is investigated, a pile casing with the length being L1 is prepared, and L1 is larger than 10 M; 2, pile position paying-off positioning is carried out, and a pile casing is placed; thirdly, positive circulation hole forming is conducted, and a reinforcement cage is placed; and 4, reverse circulation hole cleaning and concrete pouring are conducted. The method has the effects of high pore-forming rate and good success quality.
本申请涉及一种溶洞区钻孔灌注桩施工方法，涉及钻孔灌注桩施工技术的领域，其包括：步骤一，施工现场调查，准备长度为L1的护筒，L1大于10M；步骤二，桩位放线定位，放置护筒；步骤三，正循环成孔，放置钢筋笼；步骤四，反循环清孔，混凝土浇筑。本申请具有成孔率高、成功质量好的效果。
Method for constructing cast-in-situ bored pile in karst cave area
一种溶洞区钻孔灌注桩施工方法
HUANG YAJUN (author) / XU SHIWEI (author) / SUN HAIWEI (author) / SHI YANG (author) / MEI XIAOFENG (author) / CHEN KAI (author) / YOU PENGCHAO (author) / KE RUI (author) / WANG QINGQIN (author) / TIAN ZHAOQING (author)
2023-10-13
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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