A design method for the construction of a split-type vertical non-slipway shallow water jacket foundation

By dividing the jacket into upper and lower parts and constructing them vertically in the non-slide area and assembling them together, the problem of site and slide resource occupation in the traditional construction method is solved, and the effects of short construction period, low cost and simplified installation are achieved.

CN120930290BActive Publication Date: 2026-05-26ZHONGHAI FULU HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHONGHAI FULU HEAVY IND CO LTD
Filing Date
2025-10-14
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Traditional jacket construction methods require a large amount of site space and slipway resources, have a long construction period, consume a large amount of auxiliary materials, and are complex in offshore righting operations, resulting in high costs.

Method used

The shallow water jacket structure is constructed using a split vertical non-slipway construction method, which divides the jacket structure into upper and lower parts and constructs them vertically in the non-slipway area. The parts are then assembled using a crawler crane and finally transported by SPMT (Ship-Ship-Mounted Machine), simplifying the offshore installation process.

Benefits of technology

Shorten the construction period, reduce the need for auxiliary tools and equipment, reduce site occupation, save on offshore righting operations, reduce project costs, and increase project capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a design method for the construction of a split-type vertical non-slipway jacket structure in shallow water, comprising: generating construction scheme data for a split-type vertical non-slipway jacket structure in shallow water; designing the segmented assembly piers for the upper jacket and the overall jacket for ship transport, and outputting pier design data; designing the foundation modification scheme for the construction area of ​​the split-type vertical non-slipway jacket structure in shallow water, and generating foundation modification scheme data; designing the construction scheme for the lower jacket, the scheme for building the upper jacket based on the lower jacket, and the hoisting and closure scheme for the upper and lower jackets, and generating lower jacket construction scheme data, upper jacket construction scheme data, and hoisting and closure scheme data. This invention divides the jacket structure into upper and lower jackets, completing vertical construction simultaneously in the non-slipway area followed by assembly. This results in a short construction period, fast ship loading speed, no need for slipways, and minimal space occupation; vertical installation can be carried out directly at sea without the need for offshore righting operations.
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