Jacket manufactured in factory and spliced by bolts on site and construction method

A jacket, factory-like technology, applied in infrastructure engineering, construction, etc., can solve the problems of unguaranteed welding seam quality, cumbersome working procedures at heights, poor corrosion resistance, etc., and achieves good durability, convenient construction, extended effect of life

Pending Publication Date: 2021-09-28
TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The development of offshore wind turbines to remote sea areas, the increase of water depth has brought new challenges to the construction of traditional offshore jackets
[0003] The construction of the traditional offshore jacket is carried out at the seaside assembly site, the high-altitude operation process is cumbersome, the construction period is long, the cost is high, the weld quality cannot be guaranteed and the corrosion resistance is poor

Method used

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  • Jacket manufactured in factory and spliced by bolts on site and construction method
  • Jacket manufactured in factory and spliced by bolts on site and construction method
  • Jacket manufactured in factory and spliced by bolts on site and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0034] Such as Figure 1 ~ Figure 3 As shown, this embodiment provides a factory-made, on-site bolted jacket, including a jacket column 1, a jacket slant bar 2 and a jacket cross bar 3, the jacket column 1 is a segmented splicing structure, adjacent The sections are spliced ​​and fixed by bolt splicing pieces to form the splicing point 6 of the tower column. The outer side of the jacket column 1 is preset to connect the connecting head of the jacket slanting bar 2 and the jacket cross bar 3. The connecting head is connected to the jacket column 1 Welding fixed.

[0035] Jacket slanting bar 2 is set obliquely, jacket cross bar 3 is set horizontally, both ends of jacket slanting bar 2 and jacket cross bar 3 are spliced ​​and fixed with corresponding connectors on jacket column 1 by bolt splices respectively to form a web bar At the splicing point 4, the overall jacket is tower-shaped.

[0036] The bolt splicing piece includes flanges arranged at the ends of the two pieces to b...

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PUM

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Abstract

The invention relates to a jacket manufactured in factory and spliced by bolts and a construction method. The jacket manufactured in factory and spliced by bolts comprises jacket columns (1), jacket diagonal rods (2) and jacket cross rods (3), the jacket columns (1) are of segmented spliced structures, adjacent segments are spliced and fixed through bolt splicing pieces to form tower column splicing points (6), a connector used for connecting the jacket inclined rod (2) and the jacket cross rod (3) is pre-arranged on the outer side of the jacket column (1), the jacket inclined rod (2) is obliquely arranged, and the jacket cross rod (3) is horizontally arranged. The two ends of the jacket inclined rods (2) and the two ends of the jacket cross rods (3) are respectively spliced and fixed with corresponding connectors on the jacket columns (1) through the bolt splicing pieces to form web member splicing points (4). Compared with the prior art, the jacket has the advantages of being rapid and efficient to build, long in service life and the like.

Description

technical field [0001] The invention relates to the technical field of connection of offshore wind power structures or other offshore steel structures in structural engineering, and in particular relates to a jacket and a construction method manufactured in a factory and spliced ​​with bolts on site. Background technique [0002] At present, the country is developing large-scale offshore wind farms, and the development of offshore wind power steel structures is large and wide-ranging. The power of a single wind turbine has increased, and the structural volume has also increased. The development of offshore wind turbines to remote sea areas and the increase of water depth have brought new challenges to the construction of traditional offshore jackets. [0003] The construction of the traditional offshore jacket is carried out at the seaside assembly site. The high-altitude operation process is cumbersome, the construction period is long, the cost is high, the weld quality can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/52E02D27/42E02D27/44
CPCE02D27/52E02D27/425E02D27/44
Inventor 何敏娟马人乐马天宇
Owner TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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