Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Integrated deepwater foundation and construction method thereof
The invention relates to an integrated deepwater foundation and a construction method thereof, and relates to the technical field of bridge deepwater foundations. The integrated deepwater foundation comprises a plurality of suction single wells, a plurality of steel pipe columns, a plurality of bored piles and a bearing platform, wherein due to the facts that the steel pipe columns can be used assteel casings for bored pile construction in a construction stage and the steel pipe columns and the suction single wells are of an integrated structure prepared in advance, after water draining operation is conducted on the suction single wells, the steel pipe columns and the suction single wells can sink to the designed elevation, a large jacket platform does not need to be erected and the steelcasings do not need to be subjected to processes such as hoisting, turning over and sinking in the marine environment with a severe surge condition, a suction well base and the steel pipe columns canparticipate in stress of the deep water foundation in a bridge using stage, the free length of a single pile can be effectively reduced, and the horizontal and vertical bearing capacity of a pile body is improved. Therefore, the construction risk, difficulty and cost can be reduced through the integrated deepwater foundation and the construction method thereof, the construction period can be further shortened, and the horizontal bearing capacity and the vertical bearing capacity of the pile body can be improved as well.
本申请涉及一种一体式深水基础及其施工方法，涉及桥梁深水基础技术领域，包括多个吸力单井、多根钢管柱、多根钻孔桩和承台，由于钢管柱在施工阶段可作为钻孔桩施工用的钢护筒，且钢管柱与吸力单井是提前制备好的一体式结构，在对吸力单井进行排水操作后，钢管柱与吸力单井即可下沉至设计高程，无需在涌浪条件恶劣的海洋环境中架设大型导管架平台及进行钢护筒的吊装、翻身、施沉等工艺，且吸力井座和钢管柱在桥梁使用阶段均可参与到深水基础的受力中，能有效降低单桩的自由长度，提高桩身的水平和竖向的承载能力。因此，本申请不仅可降低施工风险、难度和成本，还可缩短工期以及提高桩身的水平承载能力和竖向承载能力。
Integrated deepwater foundation and construction method thereof
The invention relates to an integrated deepwater foundation and a construction method thereof, and relates to the technical field of bridge deepwater foundations. The integrated deepwater foundation comprises a plurality of suction single wells, a plurality of steel pipe columns, a plurality of bored piles and a bearing platform, wherein due to the facts that the steel pipe columns can be used assteel casings for bored pile construction in a construction stage and the steel pipe columns and the suction single wells are of an integrated structure prepared in advance, after water draining operation is conducted on the suction single wells, the steel pipe columns and the suction single wells can sink to the designed elevation, a large jacket platform does not need to be erected and the steelcasings do not need to be subjected to processes such as hoisting, turning over and sinking in the marine environment with a severe surge condition, a suction well base and the steel pipe columns canparticipate in stress of the deep water foundation in a bridge using stage, the free length of a single pile can be effectively reduced, and the horizontal and vertical bearing capacity of a pile body is improved. Therefore, the construction risk, difficulty and cost can be reduced through the integrated deepwater foundation and the construction method thereof, the construction period can be further shortened, and the horizontal bearing capacity and the vertical bearing capacity of the pile body can be improved as well.
本申请涉及一种一体式深水基础及其施工方法，涉及桥梁深水基础技术领域，包括多个吸力单井、多根钢管柱、多根钻孔桩和承台，由于钢管柱在施工阶段可作为钻孔桩施工用的钢护筒，且钢管柱与吸力单井是提前制备好的一体式结构，在对吸力单井进行排水操作后，钢管柱与吸力单井即可下沉至设计高程，无需在涌浪条件恶劣的海洋环境中架设大型导管架平台及进行钢护筒的吊装、翻身、施沉等工艺，且吸力井座和钢管柱在桥梁使用阶段均可参与到深水基础的受力中，能有效降低单桩的自由长度，提高桩身的水平和竖向的承载能力。因此，本申请不仅可降低施工风险、难度和成本，还可缩短工期以及提高桩身的水平承载能力和竖向承载能力。
Integrated deepwater foundation and construction method thereof
一种一体式深水基础及其施工方法
XIAO HAIZHU (Autor:in) / QIU YUANXI (Autor:in) / BIE YESHAN (Autor:in) / GAO ZONGYU (Autor:in) / LIU JUNFENG (Autor:in) / FU ZHANGONG (Autor:in) / TAN GUOHONG (Autor:in) / HE DONGSHENG (Autor:in) / TANG CHAO (Autor:in) / LI SONGLIN (Autor:in)
08.09.2020
Patent
Elektronische Ressource
Chinesisch
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