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A platform for research: civil engineering, architecture and urbanism
Rotary drilling and dry digging method pile foundation construction method for collapsible loess area
The invention belongs to the technical field of pile foundation construction, and discloses a collapsible loess area rotary drill dry excavation method pile foundation construction method which comprises the following steps: leveling a construction site, measuring and positioning, and filling a working platform; the pile casing burying position is determined, and pile casing burying is conducted; re-checking and lofting are conducted, and drilling treatment is conducted through well drilling; a three-dimensional laser scanner pore-forming detection method or a high-power ultrasonic pore-forming detection method is used for detecting formed pores; a reinforcement cage prepared in advance is hung and placed at a preset position; lowering catheters and performing splicing inspection on the catheters; and the pile is cast in place, and pile forming detection is conducted. The rotary drilling and dry digging method pile foundation construction method for the collapsible loess area has the outstanding advantages in the aspects of improving the pile foundation engineering quality, shortening the construction period, reducing the engineering cost, eliminating potential safety hazards existing in manual operation, protecting the environment and the like.
本发明属于桩基施工技术领域，公开了一种湿陷性黄土地区旋挖钻干挖法桩基施工方法，包括：进行施工场地平整以及测量定位，进行工作平台的填筑；确定护筒埋设位置，并进行护筒的埋设；复核放样，利用钻井进行钻孔处理；并利用三维激光扫描仪成孔检测法或大功率超声波成孔检测法对成孔进行检测；将预先制备的钢筋笼吊放于预设位置；下导管并进行导管的拼接检查；灌注桩，并进行成桩检测。本发明湿陷性黄土地区旋挖钻干挖法桩基施工方法在提高桩基工程质量、节约工期、降低工程成本、消除人工作业存在的安全隐患、环境保护等方面有着突出的优势。
Rotary drilling and dry digging method pile foundation construction method for collapsible loess area
The invention belongs to the technical field of pile foundation construction, and discloses a collapsible loess area rotary drill dry excavation method pile foundation construction method which comprises the following steps: leveling a construction site, measuring and positioning, and filling a working platform; the pile casing burying position is determined, and pile casing burying is conducted; re-checking and lofting are conducted, and drilling treatment is conducted through well drilling; a three-dimensional laser scanner pore-forming detection method or a high-power ultrasonic pore-forming detection method is used for detecting formed pores; a reinforcement cage prepared in advance is hung and placed at a preset position; lowering catheters and performing splicing inspection on the catheters; and the pile is cast in place, and pile forming detection is conducted. The rotary drilling and dry digging method pile foundation construction method for the collapsible loess area has the outstanding advantages in the aspects of improving the pile foundation engineering quality, shortening the construction period, reducing the engineering cost, eliminating potential safety hazards existing in manual operation, protecting the environment and the like.
本发明属于桩基施工技术领域，公开了一种湿陷性黄土地区旋挖钻干挖法桩基施工方法，包括：进行施工场地平整以及测量定位，进行工作平台的填筑；确定护筒埋设位置，并进行护筒的埋设；复核放样，利用钻井进行钻孔处理；并利用三维激光扫描仪成孔检测法或大功率超声波成孔检测法对成孔进行检测；将预先制备的钢筋笼吊放于预设位置；下导管并进行导管的拼接检查；灌注桩，并进行成桩检测。本发明湿陷性黄土地区旋挖钻干挖法桩基施工方法在提高桩基工程质量、节约工期、降低工程成本、消除人工作业存在的安全隐患、环境保护等方面有着突出的优势。
Rotary drilling and dry digging method pile foundation construction method for collapsible loess area
一种湿陷性黄土地区旋挖钻干挖法桩基施工方法
DING RUI (author) / YU TAO (author) / TANG MEIQIN (author)
2022-09-02
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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