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Construction method of breakwater in pile-supported cylindrical caisson structure

A construction method and pile-supported technology, which is applied in the field of port engineering, can solve the problems of poor vertical compression resistance and settlement deformation of the box, so as to improve the ability to resist wave impact, improve stability, and save construction time and construction cost. cost effect

Active Publication Date: 2015-01-28
天津港航工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this utility model is that the vertical pressure resistance of the tank is relatively poor, and it is easy to cause settlement and deformation when bearing the reverse force transmitted to the tank by the rotation of the upper generator

Method used

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  • Construction method of breakwater in pile-supported cylindrical caisson structure
  • Construction method of breakwater in pile-supported cylindrical caisson structure
  • Construction method of breakwater in pile-supported cylindrical caisson structure

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Embodiment Construction

[0035] Below in conjunction with preferred embodiment, the specific implementation mode provided according to the present invention is described in detail as follows: embodiment

[0036] see attached Figure 1-4 , the present embodiment provides a method for constructing a breakwater using a pile-supported box-tube structure, comprising the following steps:

[0037] (1) Clearing and leveling the seabed mud surface at the installation position of the pile-supported box-tube breakwater;

[0038] (2) After the assembly of the pile-supported box structure is completed, the floating dock or slide to the auxiliary launch for air flotation haulage, inflate the lower cylinder 8, close the valve on the reserved channel 11 after completion, and adjust the compartments of the lower cylinder At the same time, ballast water is added to the upper tank 1 compartment to control the levelness of the pile-supported box-tube structure, and the pile-supported box-tube structure is towed to the c...

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Abstract

The invention relates to a construction method of a breakwater in a pile-supported cylindrical caisson structure. Connection of a multi-segment pile and sinking of thereof are finished by sinking a lower cylindrical caisson under negative pressure. The pile-supported cylindrical caisson structure comprises an upper cylinder with reserved pile holes, a lower cylinder with compartments and foundation piles; the foundation piles penetrate the reserved pile holes of the upper cylinder and are connected with the upper cylinder through concreting to form an integrated structure; a bottom plate of the upper cylinder is a cover plate of the lower cylinder; the cover plate is provided with reserved ducts for valve control. The construction method has the advantages that the advantages of the cylindrical caisson structure, the caisson structure and the foundation pile structure are given to full play; after the lower cylinder is sunk into the earth, horizontal bearing capacity of the foundation structure can be improved; the foundation pile structure allows higher vertical bearing capacity for a foundation; after the upper cylinder is filled with backfill, structural stability can be improved and wave impact resistance can be improved.

Description

technical field [0001] The invention belongs to the field of port engineering, and in particular relates to a breakwater construction method using a pile-supported box-tube structure. Background technique [0002] The breakwater is a hydraulic structure built to block the impact of waves, protect the harbor basin, maintain a stable water surface to protect the port from bad weather, so that ships can berth and operate safely. According to the structural form, the commonly used breakwater structures include slope embankment, straight wall embankment and mixed embankment. [0003] Slope embankment: Generally, layered and graded stones are piled up to form a trapezoidal section, which is suitable for conditions with small water depths. When building a riprap slope embankment on a soft soil foundation in a deep water area, there are problems of large structural section and long construction period. Especially in some areas where there is a lack of sand and gravel, the project c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/06
CPCE02B3/062Y02A10/11
Inventor 陈强张佩良丁文智米刘芳何福渤李格平李德刚李刚易振费文源路明月李文杨立红赵雨来
Owner 天津港航工程有限公司
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