Ocean current retaining wall and construction method thereof

Abstract

The invention discloses an ocean current retaining wall and a construction method thereof. The ocean current retaining wall is arranged in front of a scouring improvement area and comprises a left retaining wall body and a right retaining wall body, the left retaining wall body and the right retaining wall body are symmetrical about the center line of the scouring improvement area, the first end of the left retaining wall body and the first end of the right retaining wall body are located on the center line and form a shared end, the second end of the left retaining wall body extends from theshared end to the lower left side to the position near the left boundary of the scouring improvement area, and the second end of the right retaining wall body extends from the shared end to the lowerright side to the position near the right boundary of the scouring improvement area. A central floating body platform is arranged on the shared end; the left retaining wall body comprises a first wakeflow floating body platform, a first drainage floating body platform, a first diversion wall and a first drainage wall; and the right retaining wall body comprises a second wake flow floating body platform, a second drainage floating body platform, a second diversion wall and a second drainage wall. Reasonable flow guiding, speed limiting and soil fixing are achieved, ocean currents are guided todeviate from a wind power foundation, the flow speed of a wind power generation foundation area is effectively reduced, foundation soil keeping is enhanced, and then foundation scouring is reduced.

Description

technical field [0001] The invention relates to an anti-scouring technology for foundations of offshore wind power generation, in particular to an ocean current retaining wall and a construction method thereof. Background technique [0002] The foundation of wind power generation is easily scoured by sea currents during use, which will take away the sediment around the foundation, resulting in a decrease in the bearing capacity of the foundation and loss of stability of the inclined structure of the foundation. Therefore, the foundation needs to be protected to reduce the erosion of the foundation by tidal currents. Patent 201810328155.6 introduces an anti-scour structure for offshore wind power generation foundations. Sand and gravel are laid within a certain range around the pile foundation to form a sand scour surface, which has a good anti-scour effect in a short period of time, but there are inevitably gaps between the sand and gravel. The effect is not good under the c...

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Problems solved by technology

Patent 201810328155.6 introduces an anti-scour structure for offshore wind power generation foundations. Sand and gravel are laid within a certain range around the pile foundation to form a sand scour surface, which has a good anti-scour effect in a short period of time, but there are inevitably gaps between the sand and gravel. The effect is not good under the cumulative effect of ocean currents and tides, and the maintenance cost of maintaining the anti-scouring effect is relatively high

Patent 201910795899.3 introduces an anti-scour structure and construction method of steel pipe pile foundations. The anti-scour capability of steel pipe piles can be effectively improved by reinforcing the steel pipe piles, but all foundations need to be reinforced and the cost is high.

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