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A platform for research: civil engineering, architecture and urbanism
Novel combined anti-floating construction method for water-rich special stratum open cut station structure
The invention discloses a novel combined anti-floating construction method for a water-rich special stratum open cut station structure, which comprises the following steps: step A, station main body fender posts, latticed columns and foundation piles deeply buried in an external expansion section of a negative first layer are built and constructed, the station main body fender posts are positioned on the periphery of an open cut station main body structure, and then top beams are constructed; b, when the foundation pit is excavated to the base, an anti-floating anchor rod is constructed; c, anti-floating toes are arranged on the left side and the right side of the station bottom plate and integrally poured, and after bricks are built over the anti-floating toes, the bricks are pressed through toe pressing beams; d, after pouring of a station bottom plate is completed, bottom-layer steel supports are dismantled, middle plates, middle columns and side walls of all layers of the station are constructed in a layered mode from bottom to top, and when construction is conducted to an external expansion section of the negative first layer, pile head steel bars of the foundation piles stretch into a bottom plate of the external expansion section for anchoring; and E, a station top plate is integrally poured, then a coping beam is constructed, and the method has the characteristics that multiple anti-floating modes are combined, the anti-floating effect is good, the station safety and stability are high, and later manpower and material resources are saved.
本发明公开了一种富水特殊地层明挖车站结构新型组合式抗浮施工方法，包括以下步骤：步骤A、建造施工车站主体围护桩、格构柱和负一层外扩段深埋的基桩，车站主体围护桩位于明挖车站主体结构外围，然后施作冠梁；步骤B、开挖基坑至基底时，施作抗浮锚杆；步骤C、在车站底板的左右两侧设置有抗浮趾并一体浇筑，抗浮趾正上方砌砖后又通过压趾梁进行压紧；步骤D、车站底板浇筑完成后拆除底层钢支撑，由下往上分层施作车站各层中板、中柱及侧墙，当施工至负一层外扩段时，基桩的桩头钢筋伸入外扩段底板进行锚固；步骤E、一体浇筑车站顶板，然后施作压顶梁，具有多种抗浮方式组合、抗浮效果好、车站安全稳定性强、节省后期人力物力的特点。
Novel combined anti-floating construction method for water-rich special stratum open cut station structure
The invention discloses a novel combined anti-floating construction method for a water-rich special stratum open cut station structure, which comprises the following steps: step A, station main body fender posts, latticed columns and foundation piles deeply buried in an external expansion section of a negative first layer are built and constructed, the station main body fender posts are positioned on the periphery of an open cut station main body structure, and then top beams are constructed; b, when the foundation pit is excavated to the base, an anti-floating anchor rod is constructed; c, anti-floating toes are arranged on the left side and the right side of the station bottom plate and integrally poured, and after bricks are built over the anti-floating toes, the bricks are pressed through toe pressing beams; d, after pouring of a station bottom plate is completed, bottom-layer steel supports are dismantled, middle plates, middle columns and side walls of all layers of the station are constructed in a layered mode from bottom to top, and when construction is conducted to an external expansion section of the negative first layer, pile head steel bars of the foundation piles stretch into a bottom plate of the external expansion section for anchoring; and E, a station top plate is integrally poured, then a coping beam is constructed, and the method has the characteristics that multiple anti-floating modes are combined, the anti-floating effect is good, the station safety and stability are high, and later manpower and material resources are saved.
本发明公开了一种富水特殊地层明挖车站结构新型组合式抗浮施工方法，包括以下步骤：步骤A、建造施工车站主体围护桩、格构柱和负一层外扩段深埋的基桩，车站主体围护桩位于明挖车站主体结构外围，然后施作冠梁；步骤B、开挖基坑至基底时，施作抗浮锚杆；步骤C、在车站底板的左右两侧设置有抗浮趾并一体浇筑，抗浮趾正上方砌砖后又通过压趾梁进行压紧；步骤D、车站底板浇筑完成后拆除底层钢支撑，由下往上分层施作车站各层中板、中柱及侧墙，当施工至负一层外扩段时，基桩的桩头钢筋伸入外扩段底板进行锚固；步骤E、一体浇筑车站顶板，然后施作压顶梁，具有多种抗浮方式组合、抗浮效果好、车站安全稳定性强、节省后期人力物力的特点。
Novel combined anti-floating construction method for water-rich special stratum open cut station structure
富水特殊地层明挖车站结构新型组合式抗浮施工方法
REN PENG (author) / XIAO MINGHUA (author) / LIU MINGHUI (author) / HU SHIQUAN (author) / FANG BING (author) / WANG LEI (author) / MA LIANG (author) / LIU XINGCHI (author) / CHEN CHENG (author) / LI SHILEI (author)
2022-05-13
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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