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Large-diameter rock-socketed single pile grouting bottoming implementation method

An implementation method and large-diameter technology, which can be applied to sheet pile walls, buildings, and infrastructure engineering, etc., can solve problems such as nozzle blockage and large pipe blockage risks, and achieve the effects of cost reduction, convenient construction, and improved construction efficiency

Pending Publication Date: 2022-01-21
广东华蕴海上风电科技有限公司 +2
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Problems solved by technology

If the bottom grouting pipeline is prefabricated on steel pipe piles, as the steel pipe piles are implanted into the hole synchronously, due to the sediment generated by drilling at the bottom of the rock-socketed hole, it is easy to cause the mouth of the pipe to be blocked, and there is a large Risk of plugging

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  • Large-diameter rock-socketed single pile grouting bottoming implementation method
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  • Large-diameter rock-socketed single pile grouting bottoming implementation method

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[0024] In describing the present invention, it is to be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end ", "length", "outer end" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] see Figure 1-5 , a large-diameter rock-socketed single pile grouting implementation method, the grouting implementation method is implemented using a grouting system, the grouting system include...

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Abstract

The invention belongs to the field of offshore wind power, and particularly relates to a large-diameter rock-socketed single pile grouting bottoming implementation method. The large-diameter rock-socketed single pile grouting bottoming implementation method comprises the steps that a plurality of grouting hard pipe units are sequentially screwed and fixed up and down, in the screwing operation process, a to-be-lengthened grouting hard pipe assembly is lifted through a lifting rope of a lifting mechanism, a to-be-assembled grouting hard pipe unit is lifted through a lifting rope of the other lifting mechanism, after one grouting hard pipe unit is connected to the grouting hard pipe assembly every time, the lifting rope connected with the grouting hard pipe assembly is removed and connected to the other to-be-assembled grouting hard pipe unit, then the other to-be-assembled grouting hard pipe unit is connected to the grouting hard pipe assembly in a screwed mode, and the operation is repeated till the grouting hard pipe assembly with the length meeting the requirement is assembled. In the construction process, the grouting hard pipe assembly can be installed only through the lifting mechanism, and a large crane is not needed, so that the cost is reduced, and the construction efficiency is improved.

Description

technical field [0001] The invention belongs to the field of offshore wind power engineering, and in particular relates to a method for implementing grouting and priming of large-diameter rock-socketed single piles. Background technique [0002] At present, the fixed foundation types of offshore wind power can be mainly divided into monopile, jacket and gravity foundation. In the process of selecting the form of the foundation structure, not only cost factors need to be considered, but also factors such as geotechnical conditions, environmental loads, transportation and installation, and water depth need to be considered in particular. Among them, the single pile foundation is the most widely used foundation type in offshore wind farms at home and abroad because of its simple structure and convenient construction. Its advantages are low construction cost, high efficiency, no need for seabed preparation, and easy installation; however, in coastal areas such as Dalian, Fujian...

Claims

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Application Information

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IPC IPC(8): E02D15/02E02D5/28E02D27/44E02D27/42E02D27/52
CPCE02D15/02E02D5/28E02D27/44E02D27/425E02D27/525
Inventor 朱嵘华田振亚马培宇刘寒秋孙香胡彬
Owner 广东华蕴海上风电科技有限公司
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