Method for installing cylinder foundation trestle structure

A technology of cylinders and trestles, which is applied in the field of installation of cylinder foundation trestle structures, can solve problems such as reduction, efficiency and quality easily affected by wind and waves, and achieve low comprehensive construction costs, high construction efficiency and quality, and little wind and wave impact Effect

Active Publication Date: 2015-01-21
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

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  • Method for installing cylinder foundation trestle structure
  • Method for installing cylinder foundation trestle structure
  • Method for installing cylinder foundation trestle structure

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

[0038] Such as figure 1 with figure 2 The cylindrical foundation trestle structure shown mainly includes: cylindrical components, cylindrical top cover components, circular column components, beam components, and bridge decks 5.

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

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

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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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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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