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Automatic negative-pressure sinking method for jacket multi-tube negative-pressure tube anemometer tower composite foundation

A technology of composite foundation and negative pressure cylinder, which is applied in the direction of foundation structure engineering, caissons, measuring devices, etc., can solve the problems of low efficiency and poor reliability, and achieve the effect of direct display, efficiency and frequency improvement

Inactive Publication Date: 2019-04-19
CCCC SHANGHAI THIRD HARBOR SCI RES INST CO LTD +1
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Problems solved by technology

However, the construction technology of this new type of foundation is currently in the stage of development and perfection. Since the process of automatic negative pressure sinking involves multiple measurement and control technologies such as construction positioning, water level measurement, elevation measurement, and negative pressure control, the existing The way of manual measurement and control is not only inefficient, but also less reliable

Method used

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  • Automatic negative-pressure sinking method for jacket multi-tube negative-pressure tube anemometer tower composite foundation

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Embodiment Construction

[0020] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

[0021] Such as figure 1 As shown, the automatic negative pressure sinking method for the composite foundation of the jacket multi-tube negative pressure tube wind measuring tower in this embodiment includes the following steps,

[0022] Step 1, construction positioning: After the construction ship transports the composite foundation of the wind measuring tower to the construction area, it collects the position information of the top of the negative pressure cylinder, performs plane positioning and calculates the elevation.

[0023] In this embodiment, the position information is obtained by using GPS-RTK positioning technology and fed back to the control system. The specific working principle is that one receiver is placed on the ...

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Abstract

The invention discloses an automatic negative-pressure sinking method for a jacket multi-tube negative-pressure tube anemometer tower composite foundation. The method includes the steps: S1 construction positioning: acquiring position information of the top of a negative-pressure tube, positioning a plane and calculating elevation after conveying the anemometer tower composite foundation to a construction area by a construction ship; S2 water depth measurement: measuring the water depth of the construction area by a water depth energy converter at a floating cloud ship board; S3 exhaust sinking: starting a vacuum pump to pulling out air in the negative-pressure tube and enabling the anemometer tower composite foundation to slowly sink to a sludge surface; S4 negative-pressure sinking to the designed elevation: continuing vacuum pumping and enabling the anemometer tower composite foundation to slowly sink into the sludge surface and reach the designed elevation. Compared with the priorart, the method realizes automatic negative-pressure sinking of the anemometer tower composite foundation by combining automatic control with an automatic leveling technology and has the advantages ofhigh automation degree, strong reliability and the like.

Description

technical field [0001] The invention belongs to the technical field of automatic construction of offshore offshore underwater wind power foundations, and in particular relates to an automatic negative pressure sinking method for composite foundations of jacket multiple negative pressure cylinders and wind measuring towers. Background technique [0002] As a new type of foundation for offshore wind towers, the composite foundation of jacket multi-tube negative pressure tube anemometer tower has the advantages of convenient construction, no need for large-scale piling equipment, repeated use, and relatively low cost compared with traditional pile foundations. . However, the construction technology of this new type of foundation is currently in the stage of development and perfection. Since the process of automatic negative pressure sinking involves multiple measurement and control technologies such as construction positioning, water level measurement, elevation measurement, an...

Claims

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Application Information

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IPC IPC(8): E02D23/02E02D23/08G01C5/00
CPCE02D23/02E02D23/08G01C5/00
Inventor 胡小波杨三元龚济平陈韬王菁
Owner CCCC SHANGHAI THIRD HARBOR SCI RES INST CO LTD
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