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Single pile foundation scouring protection device

A protective device and single-pile foundation technology, which is applied in the direction of protective devices, infrastructure engineering, construction, etc., can solve the problems affecting the anti-scour effect of the retaining ring, so as to improve the protective effect, reduce the turbulent intensity of water flow, and slow down the pressure difference between the upper and lower sides Effect

Pending Publication Date: 2022-03-22
TONGJI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at the edge of the ring-wing retainer, it is easy to induce water flow turbulence and vibration of the retainer structure, which directly affects the anti-scour effect of the retainer

Method used

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  • Single pile foundation scouring protection device
  • Single pile foundation scouring protection device
  • Single pile foundation scouring protection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] refer to figure 1 As shown, this embodiment provides an upright monopile foundation scour protection device, including a first upright fixing ring 21 , a second upright fixing ring 22 , a retaining ring 3 and bolts 4 .

[0028] The outer side of the upright monopile 1 is provided with a first upright fixing ring 21, a retaining ring 3 and a second upright fixing ring 22 in sequence from top to bottom, and the first upright fixing ring 21 and the second upright fixing ring 22 are tightened by bolts 4 respectively. Fixed on the upright single pile 1, the outer sides of the first upright fixing ring 21 and the second upright fixing ring 22 are evenly provided with a plurality of threaded holes used in conjunction with the bolts 4, and each threaded hole located on the outside of the fixing ring is Open along the radial direction of the center of the cross section of the upright single pile 1, the number of threaded holes is not less than three. The upper surface of the re...

Embodiment 2

[0040] refer to Figure 5 As shown, this embodiment provides an inclined single pile foundation scour protection device, which includes a first inclined fixing ring 71 , a second inclined fixing ring 72 , a retaining ring 3 and bolts 4 . The structure of this device is almost the same as that of Embodiment 1, the only difference is that: because the inclined single pile 6 is inclined, it forms a certain angle with the ground, and the first inclined fixing ring 71 and the second inclined fixed ring 71 sleeved on the outside of the inclined single pile 6 The ring 72 is correspondingly inclined at the same angle to the ground, but the retainer 3 is always kept parallel to the ground.

[0041] The working principle and installation workflow of this embodiment are the same as those of Embodiment 1, so they will not be repeated here.

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Abstract

The invention relates to a single pile foundation scouring protection device which is used for protecting single pile foundation scouring and comprises a first fixing ring, a protective ring and a second fixing ring which are sequentially arranged on the outer side of a single pile in a sleeving mode from top to bottom, and the first fixing ring and the second fixing ring are both fastened to the single pile. The upper surface of the protective ring is connected with the bottom of the first fixing ring, the lower surface of the protective ring is connected with the top of the second fixing ring, a plurality of round holes used for reducing the pressure difference between the upper portion and the lower portion of the protective ring and turbulent fluctuation of water flow near a single pile are evenly formed in the surface of the protective ring, and each round hole perpendicularly penetrates through the protective ring. Compared with the prior art, the pressure difference between the upper portion and the lower portion of the retainer is relieved, the turbulence intensity of water flow nearby the retainer is reduced, and the protection effect of the retainer is further improved.

Description

technical field [0001] The invention relates to the technical field of pile foundation protection equipment, in particular to a single pile foundation erosion protection device. Background technique [0002] Scouring is a natural phenomenon in which the riverbed or seabed sediment is entrained and taken away by waves and water erosion, and it is also an important factor causing pile foundation instability. At present, traditional pile foundation scour protection measures are mainly divided into active protection and passive protection. Active protection mainly reduces the turbulence of the water flow by changing the shape of the water flow near the pile foundation, thereby reducing erosion. As an active protection measure with simple form and stable structure, anti-shock retainer has strong engineering application prospects. [0003] Chinese invention patent CN103243639A (named: a ring-wing pier with anti-scour function) discloses an anti-scour technology, by installing an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/06E02D27/52
CPCE02D31/06E02D27/52
Inventor 谢立全顾悦洋王忠岱卢盛欣于力强张清清张国峰吴伟强尹军杰陈程
Owner TONGJI UNIV
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