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Ocean pile foundation corrosion protection device and using method thereof

A corrosion protection and pile foundation technology, which is applied in protection devices, infrastructure engineering, construction, etc., can solve problems such as corrosion in the splash zone, and achieve the effects of prolonging service life, improving anti-corrosion performance, and simple disassembly and replacement

Pending Publication Date: 2022-07-08
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a marine pile foundation corrosion protection device and its use method to solve the problem of serious corrosion of pile foundations in the splash zone. The present invention provides a marine pile foundation corrosion protection device, which can effectively solve the corrosion problem in the splash zone serious problem

Method used

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  • Ocean pile foundation corrosion protection device and using method thereof
  • Ocean pile foundation corrosion protection device and using method thereof
  • Ocean pile foundation corrosion protection device and using method thereof

Examples

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Effect test

Embodiment 1

[0032] like figure 1 and 2 As shown, a marine pile foundation corrosion protection device includes a split cylinder 1, a fixing bolt 2, a through-hole fixing bolt 3, a low-volatile oil and a rubber sealing strip 4.

[0033] see image 3 , the split cylinder 1 includes a first split mold 5 and a second split mold 6 that are axially symmetric, and the first split mold 5 and the second split mold 6 are both close to the marine pile foundation at both ends Contact and a vertical convex structure with a hollow cavity in the middle, the upper ends of the first split mold 5 and the second split mold 6 are installed with through-hole fixing bolts 3 for filling with low-volatile oil; The pair of split molds 5 and the second split mold 6 can be tightly compacted, and the split cylinder 1 is formed by clamping the first split mold 5 and the second split mold 6 through the fixing bolts 2 to form a seal. The cavity in the middle of the split cylinder 1 is filled with low volatility oil;...

Embodiment 2

[0035] This embodiment discloses a method for using the marine pile foundation corrosion protection device described in Embodiment 1, comprising the following steps:

[0036] 1) According to the actual situation of the sea area, determine the location of the five marine corrosion areas of the atmospheric area, the splash area, the tidal range area, the total immersion area and the sea mud area.

[0037] 2) According to the scope of the splash zone and the tidal range zone, select the first split mold 5 and the second split mold 6 with the dimensions of the upper and lower ends that fit the marine pile foundation, so that the split mold covers the entire splash zone area, And the bottom of the split mold is 0.5m below the sea level.

[0038] 3) Fix the first split mold 5 and the second split mold 6 in the splash zone and the tidal zone, and use the fixing bolts 2 to fix the first split mold 5 and the second split mold 6 together.

[0039] 4) The gap between the first split mol...

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Abstract

The invention discloses an ocean pile foundation corrosion protection device and a using method thereof. The device can be used in the field of ocean technical engineering. The device comprises a split cylinder, a bolt, low-volatility oil and a rubber sealing strip. Due to the protection effect of the split cylinder and the low-volatility oil and the existence of the pressure head, seawater cannot be in contact with the pile foundation; besides, when the pile foundation has defects, low-volatility oil in the split cylinder enters the pile foundation through the defects in concrete under the action of the pressure head to be in contact with the reinforcing steel bars, a layer of oil film is formed around the reinforcing steel bars, seawater is prevented from entering the pile foundation through holes of the concrete to corrode the reinforcing steel bars in the mode, the service life of the reinforcing steel bars is prolonged, and the service life of the pile foundation is prolonged. And the anti-corrosion performance of the pile foundation is improved.

Description

technical field [0001] The invention relates to the field of marine technical engineering, in particular to a marine pile foundation corrosion protection device and a use method thereof. Background technique [0002] The marine corrosion area is divided into five areas: atmospheric area, splash area, tidal range area, total immersion area and sea mud area. In a marine environment, seawater can be splashed onto its surface with waves, but the part that cannot be submerged by seawater at high tide is usually called the splash zone. Because the splash zone is located in the gas-liquid exchange interface zone, it is often in a humid and more oxygen state, and there is also strong and frequent wave impact, which is in a dry and wet alternate state, coupled with high salt content, sufficient sunshine, and rising temperature, etc. The combination of these factors leads to the most serious corrosion of the pile foundation in the splash zone, which is generally 5-10 times that of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/06E02D27/52E02D27/12
CPCE02D31/06E02D27/525E02D27/12Y02E10/727
Inventor 刘春辉王涵孔璟常
Owner YANTAI UNIV
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