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Reverse construction method for pile foundation of inner frame column bearing platform
The invention relates to the technical field of building construction, and particularly discloses an inner frame column bearing platform pile foundation reverse construction method which comprises the following steps: firstly, a preparation stage before construction: determining the position distribution of a soil layer and steel piles of a project site, and carrying out earth excavation and base cushion treatment design; then, a pile cap is constructed, specifically, the pile cap is poured at the construction design position, a pile pressing hole is reserved and an anchor rod is pre-embedded at the designed pile position, and it is guaranteed that the pulling resistance of the anchor rod meets the pile pressing stress requirement; then, anchor rod static pressure pile construction is conducted, specifically, a pile pressing frame is installed, pile pressing time is determined, and a monitoring system is arranged to monitor the pile pressing pressure change condition; on the basis of the third step, pile sealing is conducted according to the monitoring result, and pile sealing time is determined; and finally, temporary pile sealing is adopted to obtain the pile sealing pressure in real time, adjustment is conducted according to the construction condition of the upper structure, and after construction of the upper structure is finished, pile sealing is conducted finally. The pressure condition of pile pressing construction is monitored in real time for timely adjustment, so that the construction efficiency is improved, and the cost is reduced.
本发明涉及建筑施工技术领域，具体公开了一种内框架柱承台桩基逆作法施工方法，包括：首先，施工前准备阶段：确定工程场地土层和钢桩位置分布，进行土方开挖和基底垫层处理设计；接着，桩承台施工：在施工设计处进行桩承台浇筑并在设计的桩位处预留压桩孔和预埋锚杆，并保证锚杆的抗拔力满足压桩受力要求；然后，锚杆静压桩施工：安装压桩架并确定压桩时间和设置监测系统监测压桩压力变化情况；在步骤三的基础上根据监测结果进行封桩并确定封桩时间；最后，采用临时封桩实时获取封桩压力，根据上部结构施工情况进行调整，待上部结构施工结束后，最终封桩；本发明通过实时监测压桩施工压力情况进行及时调整进而提高施工效率降低成本。
Reverse construction method for pile foundation of inner frame column bearing platform
The invention relates to the technical field of building construction, and particularly discloses an inner frame column bearing platform pile foundation reverse construction method which comprises the following steps: firstly, a preparation stage before construction: determining the position distribution of a soil layer and steel piles of a project site, and carrying out earth excavation and base cushion treatment design; then, a pile cap is constructed, specifically, the pile cap is poured at the construction design position, a pile pressing hole is reserved and an anchor rod is pre-embedded at the designed pile position, and it is guaranteed that the pulling resistance of the anchor rod meets the pile pressing stress requirement; then, anchor rod static pressure pile construction is conducted, specifically, a pile pressing frame is installed, pile pressing time is determined, and a monitoring system is arranged to monitor the pile pressing pressure change condition; on the basis of the third step, pile sealing is conducted according to the monitoring result, and pile sealing time is determined; and finally, temporary pile sealing is adopted to obtain the pile sealing pressure in real time, adjustment is conducted according to the construction condition of the upper structure, and after construction of the upper structure is finished, pile sealing is conducted finally. The pressure condition of pile pressing construction is monitored in real time for timely adjustment, so that the construction efficiency is improved, and the cost is reduced.
本发明涉及建筑施工技术领域，具体公开了一种内框架柱承台桩基逆作法施工方法，包括：首先，施工前准备阶段：确定工程场地土层和钢桩位置分布，进行土方开挖和基底垫层处理设计；接着，桩承台施工：在施工设计处进行桩承台浇筑并在设计的桩位处预留压桩孔和预埋锚杆，并保证锚杆的抗拔力满足压桩受力要求；然后，锚杆静压桩施工：安装压桩架并确定压桩时间和设置监测系统监测压桩压力变化情况；在步骤三的基础上根据监测结果进行封桩并确定封桩时间；最后，采用临时封桩实时获取封桩压力，根据上部结构施工情况进行调整，待上部结构施工结束后，最终封桩；本发明通过实时监测压桩施工压力情况进行及时调整进而提高施工效率降低成本。
Reverse construction method for pile foundation of inner frame column bearing platform
一种内框架柱承台桩基逆作法施工方法
HAN PEIYAN (author) / WANG ANHUI (author) / GUO ZHICHAO (author) / LI ZHANGRONG (author) / ZHANG JIESHENG (author) / WANG YING (author) / ZENG HENG (author) / JIAO YUMING (author)
2023-11-03
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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