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Offshore platform steel sleeve reinforcement cage and hydraulic jack combined positioning construction method
The invention relates to the technical field of offshore platforms, and discloses an offshore platform steel sleeve reinforcement cage and hydraulic jack combined positioning construction method, which comprises the following construction steps that (1) the lower end of a steel casing is embedded into the seabed, and the upper end of the steel casing penetrates through a lower-layer platform and an upper-layer platform; (2) the steel casing is provided with a platform section, and a plurality of orifices are formed in the platform section; (3) a plurality of jacks are arranged on the lower-layer platform, a crane lifts a steel sleeve, and a reinforcement cage is arranged in the steel sleeve; a top shaft of the jack penetrates through the hole and abuts against the periphery of the steel sleeve; (4) the center position of the steel sleeve is measured, and the multiple jacks are controlled to conduct back-jacking adjustment till the center position of the steel sleeve coincides with the center position of the pile hole; the reinforcement cage and the steel sleeve form an integral rigid structure so as to be convenient to transfer and hoist and ensure that the whole mounting process is in a safe and stable state; and the multiple jacks jack back the steel sleeve, and the center deviation of the steel sleeve is adjusted and fixed.
本发明涉及海上平台的技术领域，公开了海上平台钢套管钢筋笼与液压千斤顶组合定位施工方法，以下施工步骤：1)、钢护筒的下端嵌入海底，钢护筒的上端穿过下层平台以及上层平台；2)、钢护筒具有平台段，平台段上开设多个孔口；3)、下层平台上设置多个千斤顶，吊车起吊钢套管，钢套管的内部设有钢筋笼；千斤顶的顶轴穿过孔口抵接在钢套管外周；4)、对钢套管的中心位置进行量测，控制多个千斤顶回顶调节，直至钢套管的中心位置与桩孔的中心位置重合；钢筋笼与钢套管形成整体钢性结构，以便于转运、起吊，保证安装全过程处于安全稳定状态；多个千斤顶回顶钢套管，对钢套管的中心偏差进行调整和固定。
Offshore platform steel sleeve reinforcement cage and hydraulic jack combined positioning construction method
The invention relates to the technical field of offshore platforms, and discloses an offshore platform steel sleeve reinforcement cage and hydraulic jack combined positioning construction method, which comprises the following construction steps that (1) the lower end of a steel casing is embedded into the seabed, and the upper end of the steel casing penetrates through a lower-layer platform and an upper-layer platform; (2) the steel casing is provided with a platform section, and a plurality of orifices are formed in the platform section; (3) a plurality of jacks are arranged on the lower-layer platform, a crane lifts a steel sleeve, and a reinforcement cage is arranged in the steel sleeve; a top shaft of the jack penetrates through the hole and abuts against the periphery of the steel sleeve; (4) the center position of the steel sleeve is measured, and the multiple jacks are controlled to conduct back-jacking adjustment till the center position of the steel sleeve coincides with the center position of the pile hole; the reinforcement cage and the steel sleeve form an integral rigid structure so as to be convenient to transfer and hoist and ensure that the whole mounting process is in a safe and stable state; and the multiple jacks jack back the steel sleeve, and the center deviation of the steel sleeve is adjusted and fixed.
本发明涉及海上平台的技术领域，公开了海上平台钢套管钢筋笼与液压千斤顶组合定位施工方法，以下施工步骤：1)、钢护筒的下端嵌入海底，钢护筒的上端穿过下层平台以及上层平台；2)、钢护筒具有平台段，平台段上开设多个孔口；3)、下层平台上设置多个千斤顶，吊车起吊钢套管，钢套管的内部设有钢筋笼；千斤顶的顶轴穿过孔口抵接在钢套管外周；4)、对钢套管的中心位置进行量测，控制多个千斤顶回顶调节，直至钢套管的中心位置与桩孔的中心位置重合；钢筋笼与钢套管形成整体钢性结构，以便于转运、起吊，保证安装全过程处于安全稳定状态；多个千斤顶回顶钢套管，对钢套管的中心偏差进行调整和固定。
Offshore platform steel sleeve reinforcement cage and hydraulic jack combined positioning construction method
海上平台钢套管钢筋笼与液压千斤顶组合定位施工方法
ZHU TAOYUAN (author) / DENG BIN (author) / HE KAICHAO (author) / WU JIANSONG (author) / LIU BIAO (author) / LEI BIN (author) / WANG RUI (author) / ZHU SHIWEN (author) / CHEN YUANHU (author) / CHEN ZEXIN (author)
2022-10-18
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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