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Foundation construction method of gravity type foundation structure

A technology of gravity foundation and construction method, applied in the direction of foundation structure engineering and construction, can solve the problems of inconvenient construction and poor economy of rock-socketed pile foundation, and achieve the effect of reducing the scope of soil treatment

Active Publication Date: 2021-11-23
SHANGHAI INVESTIGATION DESIGN & RES INST
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Problems solved by technology

The construction of rock-socketed pile foundation is inconvenient and economical; and the soil usually requires extensive foundation treatment to meet its bearing requirements

Method used

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  • Foundation construction method of gravity type foundation structure
  • Foundation construction method of gravity type foundation structure
  • Foundation construction method of gravity type foundation structure

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Embodiment Construction

[0025] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0026] Please refer to attached picture. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At t...

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Abstract

The invention provides a foundation construction method of a gravity type foundation structure. The foundation construction method comprises the following construction steps that firstly, a cylinder structure is inserted into undisturbed soil of a seabed, the cylinder structure is provided with a circular axial through channel, and the circular axial through channel of the cylinder structure inserted into the seabed is vertically arranged; foundation treatment is carried out on an internal soil body surrounded by the cylindrical structure; and finally, the gravity type foundation structure is installed on the internal soil body of the cylinder structure. According to the foundation construction method of the gravity type foundation structure, the cylinder structure can effectively bear most of horizontal force and part of shearing force of the soil body, meanwhile, the sliding face of the soil body is effectively blocked, the soil body replacement range is remarkably narrowed. Meanwhile, a cylinder structure with the outer diameter smaller than the original soil body treatment range can be placed in the soil body.

Description

technical field [0001] The invention relates to the technical field of marine engineering, in particular to a foundation construction method of a gravity foundation structure. Background technique [0002] The gravity foundation structure is directly located on the seabed surface and mainly relies on its own gravity to maintain stability. According to the geotechnical engineering conditions of the base, natural foundation or foundation treatment can be used. There are shallow overburden conditions in the depth of subsea engineering geological scour in southeastern and southern my country. Because the lower rock layer of the shallow overburden is hard and has a high bearing capacity, rock-socketed pile foundations or soil are usually used as the support for the foundation of the gravity foundation structure. structure. The construction of rock-socketed pile foundation is inconvenient and economical; and the soil usually requires extensive foundation treatment to meet its bear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/00E02D27/52
CPCE02D27/00E02D27/52
Inventor 范可袁逸博张晓周莉莉刘文卿吴子昂
Owner SHANGHAI INVESTIGATION DESIGN & RES INST
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