A prefabricated back cover and installation process of an offshore wind power implanted high pile cap
A technology for offshore wind power and high pile caps, which is applied in infrastructure engineering, construction, etc., can solve the problems of increasing the difficulty of construction technology, excessive verticality of the casing, and curling of the boulder casing, ensuring welding and concrete protection. The effect of pouring quality, overall structural stability, and optimized structural form
Active Publication Date: 2022-05-06
CCCC THIRD HARBOR ENG +2
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Problems solved by technology
Judging from the development of structural forms selected for the same type of geological conditions in current offshore wind power projects, the current difficulties encountered in the construction of implanted single pile foundations, such as boulder casing curling, multiple collapsed holes, sliding piles and casing vertical Phenomena such as the degree of excess of the standard increase the difficulty of construction technology processing and there are greater risks of safety risks and delays in the construction period, and after the collapse of the hole, the treatment cycle is long and the effect is not obvious
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[0039] The present invention will be further described below in conjunction with accompanying drawing.
[0040] see Figure 1a to Figure 6 , The prefabricated bottom cover and installation process of the offshore wind power implanted high pile cap of the present invention includes the following processes: onshore fabrication of the prefabricated bottom cover of the cap, offshore pile planting, installation of the prefabricated bottom cover of the cap, and the second phase construction of the cap;
[0041] The prefabricated back cover of the platform includes a concrete back cover 10, six pile piercing holes evenly distributed on the concrete back cover 10, and six one-to-one corresponding buried in multiple pile piercing holes and the height is the same as the thickness of the concrete back cover 10. The casing 20, the base ring 30 installed in the center of the top surface of the concrete back cover plate 10, six connecting webs 40 uniformly distributed in the circumferential...
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The invention discloses a prefabricated bottom cover and installation process of an offshore wind power implanted high pile cap, comprising the following processes: onshore fabrication of the prefabricated bottom cover of the cap, offshore pile planting, installation of the prefabricated bottom cover of the cap, and second-stage construction of the cap. The prefabricated bottom cover of the platform includes a concrete bottom cover, six pile piercing holes uniformly opened on the concrete bottom cover, six casings buried in multiple pile piercing holes one by one, and installed on the top surface of the concrete bottom cover. The central base ring, six uniformly distributed connecting webs radially connected to the outer peripheral surface of the base ring, and six connecting webs connected one by one to the outer ends of the six connecting webs and correspondingly located on the six casings The upper cross connector; the top and bottom surfaces of each casing are connected to a top and bottom ring plate one by one; the tops of the six engineering piles pass through the six casings one by one and correspond to the six crosses Connectors connect. In the present invention, operations such as installation of the bottom cover formwork and installation of the connecting web are carried out on the shore, which can greatly reduce the time for hoisting and operation at sea.
Description
technical field [0001] The invention relates to a prefabricated bottom cover and installation process of an offshore wind power implanted high pile cap. Background technique [0002] Implantable high pile caps are mainly used in offshore wind power projects with complex geology, large fluctuations in strata, thin local covering layers and sporadic boulders. Judging from the development of structural forms selected for the same type of geological conditions in current offshore wind power projects, the current difficulties encountered in the construction of implanted single pile foundations, such as boulder casing curling, multiple collapsed holes, sliding piles and casing vertical Phenomena such as the degree of excess of the standard increase the difficulty of construction technology processing and there are greater risks of safety risks and delays in the construction period. After the hole collapses, the treatment cycle is long and the effect is not obvious. At present, of...
Claims
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IPC IPC(8): E02D27/14E02D27/42E02D27/52
CPCE02D27/14E02D27/425
Inventor 黄桥兴林晓王其标熊汉东张新炜黄建阳陈东伟郭新杰林志航黄博坚
Owner CCCC THIRD HARBOR ENG