Installation method of a cylindrical foundation trestle structure

A technology of cylinders and trestles, which is applied in the field of installation of cylinder foundation trestle structures, can solve the problems of efficiency and quality being easily affected by wind and waves, and reduce them, so as to achieve high construction efficiency and quality, low comprehensive construction costs, and less workload Effect

Active Publication Date: 2016-08-31
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Application Information

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Problems solved by technology

[0004] The present invention provides an installation method of a cylindrical foundation trestle structure to solve the technical problem that the efficiency and quality of the installation method using prefabricated components on-site assembly in the prior art are easily affected by wind and waves and are reduced

Method used

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  • Installation method of a cylindrical foundation trestle structure
  • Installation method of a cylindrical foundation trestle structure
  • Installation method of a cylindrical foundation trestle structure

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Embodiment Construction

[0037] In order to enable those skilled in the technical field to which the application belongs to understand the application more clearly, the technical solutions of the application will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0038] Such as figure 1 and figure 2 The cylindrical foundation trestle structure shown mainly includes: a cylinder assembly, a cylinder top cover assembly, a circular column assembly, a beam assembly, and a bridge deck 5 .

[0039] The cylinder assembly is composed of four cylinders 1, which are parallel and form a rectangle, and are used as supporting structures, and the four cylinders 1 are all reinforced concrete structures.

[0040] Wherein, each cylinder 1 is hollow type, and the inner wall of the top is provided with a ring corbel structure 6, and the top surface of the corbel structure 6 of the ring ring corbel structure 6 is provided with a sealing rubber gasket; the ring corb...

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Abstract

The invention discloses a method for installing a cylinder foundation trestle structure. The method for installing the cylinder foundation trestle structure comprises the steps that firstly, the cylinder foundation trestle structure composed of four cylinders, cylinder top cover plates, round stand columns and two cross beams is inflated; secondly, the cylinder foundation trestle structure is hauled to an installation place, air is exhausted, and ballast is increased until the four cylinders are sunk to the position where the lower side faces of the cylinder top cover plates are in contact with a soft foundation; thirdly, a layer of concrete is poured on each cross beam, bridge deck slabs are lifted and installed, the bridge deck slabs are fixed between the two cross beams, and then installation is completed. In this way, transportation of the cylinder foundation trestle structure does not need a transportation barge, field installation does not need a large ship crane, the amount of offshore field installation work is small, the influence on construction of stormy waves is small, the construction efficiency is high, the construction quality is high, and the comprehensive construction cost is low.

Description

technical field [0001] The invention relates to the technical field of oil exploitation, in particular to a method for installing a cylindrical foundation trestle structure. Background technique [0002] For the development of oil and gas resources in offshore shallow waters, it is an economical, fast and effective way to adopt the development mode of "offshore oil and land production". Exploitation of subsea oil and gas resources on artificial islands. The cylindrical foundation trestle structure is a kind of structure suitable for entering the sea on soft soil foundations in the sea. The structure is composed of a reinforced concrete cylinder, a cylinder top cover, a circular column, a beam, and a bridge deck. In shallow waters, the installation method of on-site assembly of prefabricated components is generally used, and the efficiency and quality of this construction method are easily affected by wind and waves. Especially in deeper waters, the waves and currents are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D15/24E01D21/00
CPCE01D15/24E01D21/00
Inventor 甄宏昌巩向楠袁宏振宋元丽黄诚邵雪莉隋玉良魏薇周凯张秀荣郭华锋曹永利
Owner BC P INC CHINA NAT PETROLEUM CORP
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