CN-121976494-A - Embedded seawall wave-preventing device

CN121976494ACN 121976494 ACN121976494 ACN 121976494ACN-121976494-A

Abstract

The invention relates to the technical field of ocean engineering protection, in particular to an embedded sea wall breakwater device which comprises at least one energy dissipation unit and a fixing structure, wherein the energy dissipation unit is arranged on the wave facing side of a sea wall and is constructed into an annular structure with a notch on a radial surface and is provided with an opening in the axial direction, the notch forms the wave facing surface, the fixing structure is fixed in the sea wall, and wave energy is converted into fluid motion with mutual offset inside through the geometrical characteristics of the energy dissipation unit, so that the active and efficient wave dissipation purpose is realized, and the direct scouring of waves to a sea wall body is reduced. The device is convenient for on-site construction and installation and subsequent maintenance, and can flexibly adjust the layout scale and mode of the energy dissipation unit according to the protection requirement of a specific shoreline, thereby exhibiting good adaptability and practicability.

Inventors

WANG DONGYU
LIN ZIJIE
SHENG YANFENG
CAO FUBO
QIAN YONGQIANG

Assignees

广州睿海海洋科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260121

Claims (10)

1. An embedded seawall breakwater device, comprising: the energy dissipation unit is arranged on the wave facing side of the bank, is configured to be of an annular structure with a notch on a radial surface and is provided with an opening in the axial direction, and the notch forms the wave facing surface; the fixing structure is used for fixing the energy dissipation unit in the bank in an embedded manner; Wherein the side wall surface of the energy dissipating unit is configured to retard waves entering from the gap until energy of the waves is attenuated.
2. The embedded seawall breakwater device of claim 1, wherein the fixing structure comprises a fixing plate and channel steel used for being embedded into the seawall body, the fixing plate is attached to the outer wall of the energy dissipation unit and fixedly connected with the outer wall of the energy dissipation unit, and one side, away from the energy dissipation unit, of the fixing plate is fixedly connected with the channel steel.
3. An embedded sea wall breakwater according to claim 1, wherein the plurality of energy dissipating units are arranged in a staggered or matrix-like manner along the extension direction of the sea wall.
4. The embedded seawall breakwater device of claim 2, further comprising a drainage component for timely draining accumulated water in the cavity of the energy dissipating unit and around the device after the impact of the sea waves.
5. An embedded sea wall breakwater according to claim 4 wherein the drainage means is a drain pipe connecting adjacent energy dissipating units.
6. The embedded sea wall breakwater device according to claim 4, wherein the water drainage component is a water drainage hole formed on the wall surface of the energy dissipation unit.
7. An embedded sea wall breakwater according to claim 1, wherein the energy dissipating units are of steel construction.
8. An embedded sea wall breakwater according to claim 7, wherein the energy dissipating unit is further provided with sacrificial anode blocks.
9. The embedded seawall breakwater device of claim 2, wherein the notch angles of the plurality of energy dissipating units can be adaptively adjusted according to the wave wavelength and wave height of the sea area where the seawall is located, and the notch directions are all oriented to the main propagation direction of the incident waves.
10. An embedded sea wall breakwater according to claim 7, wherein the steel structure of the energy dissipating unit is made of a special pipe with an outer diameter of 1000mm and a wall thickness of 20 mm.

Description

Embedded seawall wave-preventing device Technical Field The invention relates to the technical field of ocean engineering protection, in particular to an embedded sea wall breakwater wave-preventing device. Background With the development and utilization of ocean resources, the construction of various offshore ocean engineering buildings (such as artificial islands, offshore wind power foundations, drilling platform cofferdams and the like) is increasing. These marine structures in deep open sea environments are exposed to the reciprocating action of high energy waves and strong currents for long periods of time. Because the waves can generate intense reflection and diffraction when encountering the blocking structure, the flow field around the structure is extremely easy to be disturbed, and serious local scouring is generated on the basic part of the building. The continuous base erosion reduces the bearing capacity and stability of the marine building, even causes layout suspension and overturning, and seriously threatens the safety of offshore operation. In the prior art, aiming at the protection of the foundation of the ocean structure, the passive defense is generally carried out by adopting modes of seabed riprap, concrete interlocking blocks or lengthened pile foundations and the like. However, the technology has obvious defects in practical application, firstly, under the deep water or high sea condition environment, the traditional bottom stone throwing protection is extremely easy to roll off or subside under the action of strong wave current, so that the protection layer is invalid, the later-stage underwater repair throwing operation is difficult and high in cost, and if the pile foundation length is simply increased or the volume of the concrete gravity retaining wall is increased to hard and wind wave resistance, the engineering quantity and the material cost are exponentially increased in a deep water area, and the construction period is extremely long. At present, an integrated device which can be directly attached to a marine engineering structure body, can weaken wave impact energy and actively inhibit basic scouring and is not limited by water depth is lacking. Disclosure of Invention Aiming at the problems, the embedded seawall breakwater device converts wave energy into fluid motion with internal offset through the self geometric characteristics of the energy dissipation unit, so that the active and efficient wave dissipation purpose is realized, and the direct scouring of waves to a marine building and a foundation is reduced. The device is convenient for on-site construction and installation and subsequent maintenance, and can flexibly adjust the layout scale and mode of the energy dissipation unit according to the protection requirement of specific ocean engineering, thereby exhibiting good adaptability and practicability. The invention provides an embedded sea wall breakwater device, which comprises at least one energy dissipation unit, a fixing structure and a water storage device, wherein the energy dissipation unit is arranged on the wave facing side of a sea wall and is configured to be an annular structure with a notch on a radial surface and provided with an opening in an axial direction, the notch forms the wave facing surface, the fixing structure is used for fixing the energy dissipation unit in the sea wall in an embedded mode, and the side wall surface of the energy dissipation unit is configured to be capable of retarding waves entering from the notch until energy of the waves is weakened. Preferably, the fixing structure comprises a fixing plate and channel steel used for being embedded into the bank dike body, the fixing plate is attached to the outer wall of the energy dissipation unit and is fixedly connected with the outer wall of the energy dissipation unit, and one side, away from the energy dissipation unit, of the fixing plate is fixedly connected with the channel steel. Preferably, the energy dissipation units are multiple, and the energy dissipation units are uniformly distributed in a staggered arrangement or matrix manner along the extending direction of the bank. Preferably, the device also comprises a drainage component for timely draining accumulated water in the inner cavity of the energy dissipation unit and the periphery of the device after the impact of sea waves. Preferably, the drainage member is a drainage pipe connecting adjacent energy dissipating units. Preferably, the drainage component is a drainage hole formed in the wall surface of the energy dissipation unit. Preferably, the energy dissipation unit is of steel structure. Preferably, the energy dissipation unit is further provided with a sacrificial anode block. Preferably, the notch angles of the energy dissipation units can be adaptively adjusted according to the wave wavelength and wave height of the sea area where the bank is located, and the notch directions are all towards the main pr