Open sea water gate wave energy dissipation grid structure

Abstract

The utility model provides an open sea sluice wave energy dissipation grid structure which comprises an energy dissipation grid body used for being installed in an apron on the downstream portion of a sluice and a plurality of vertically-arranged energy dissipation columns arranged in the width direction of the apron at equal intervals. Each energy dissipation column comprises a lower column body used for being connected with the bottom face of the apron and an upper column body arranged on the lower column body, the cross sections of the lower column bodies and the cross sections of the upper column bodies are in an oval shape or a runway shape, the length direction of the cross sections of the lower column bodies and the cross sections of the upper column bodies is parallel to the width direction of the energy dissipation grid body, and every two adjacent lower column bodies and / or every two adjacent upper column bodies are connected through a cross beam. Connecting cross beams used for being connected with wing walls on the two sides of the apron are arranged at the two ends of the energy dissipation grid body. According to the open sea water gate wave energy dissipation grid structure, wave dissipation is carried out in the mode that the energy dissipation grid is built in an open sea side water outlet pool, the building cost is low, the structure is simple, the construction difficulty is low, no sea area is occupied, and certain application value is achieved in the aspect of protecting a water gate against wave invasion.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wave dissipating structure, in particular to an offshore water gate wave dissipating grid structure. BACKGROUND

[0002] The water gate, as the flood outlet of the flood control and drainage project in the coastal area, plays an important role in the development of the regional social economy. The offshore side of the water gate is greatly affected by the tidal water and waves, and in recent years, storm surges occur frequently. The impact of offshore waves on the water gate can cause the gate plate to break and even the gate to be destroyed. In order to protect the water gate from the damage of offshore waves, the current scheme is to build a breakwater on the offshore side. However, the breakwater has the disadvantages of high construction cost, great construction difficulty, occupation of sea area, and the like, and thus it is difficult to implement. Therefore, the breakwater is less applied in actual projects. SUMMARY

[0003] The technical problem to be solved

[0004] The utility model provides a kind of offshore water gate wave dissipating grid structure, which is compact in structure, low in construction difficulty and manufacturing cost, does not occupy sea area and has good energy dissipation effect.

[0005] Technical solutions to solve the problem

[0006] The utility model provides a kind of offshore water gate wave dissipating grid structure, which comprises:

[0007] The energy dissipating grid body is used to be installed into the apron 10 downstream of the water gate, comprising vertically arranged energy dissipating columns, the energy dissipating columns are multiple and equidistantly arranged along the width direction of the apron 10, the energy dissipating columns comprise a lower column body 22 connected with the bottom surface of the apron 10 and an upper column body 21 arranged on the lower column body 22, the cross section of the lower column body 22 and the upper column body 21 is oval or track-shaped, and the length direction of the cross section is parallel to the width direction of the energy dissipating grid body, the adjacent two lower column bodies 22 and / or the adjacent two upper column bodies 21 are connected through a cross beam, and the two ends of the energy dissipating grid body are provided with a connecting cross beam 25 connected with the wing wall 11 on both sides of the apron 10.

[0008] Further, the aspect ratio L2:S2 of the cross section of the upper column body 21 is (1.2-2):1.

[0009] Further, the height ratio H1:H2 of the upper column body 21 and the lower column body 22 is (1-2):1.

[0010] Further, the crossbeam comprises an upper crossbeam 23 arranged between two adjacent upper column bodies 21 and a lower crossbeam 24 arranged between two adjacent lower column bodies 22, the upper crossbeam is arranged at the middle upper part of the upper column body 21, and the lower crossbeam 24 is arranged at the middle upper part of the lower column body 22.

[0011] Further, the distance between two adjacent energy dissipation columns is less than the height of the energy dissipation column.

[0012] Further, the cross section of the crossbeam and the connecting crossbeam 25 is circular.

[0013] Further, the cross section of the crossbeam and the connecting crossbeam 25 is elliptical or runway-shaped, and the length direction of the cross section is parallel to the width direction of the energy dissipation fence body.

[0014] Further, the width of the cross section of the upper column body 21 and the lower column body 22 is the same.

[0015] Further, the length of the connecting crossbeam 25 is less than or equal to the length of the crossbeam.

[0016] Further, the front end and the rear end of the lower column body 22 are inclined surfaces, and the included angle α between the inclined surfaces and the horizontal plane is greater than or equal to 65 degrees and less than or equal to 80 degrees.

[0017] Further, the energy dissipation fence body is made of reinforced concrete structure, and the end of the connecting crossbeam 25 is provided with a first reinforcing bar group capable of extending into the wing wall, and the lower end of the energy dissipation column is provided with a second reinforcing bar group capable of extending into the apron.

[0018] Advantages

[0019] The utility model discloses an outer sea sluice wave energy dissipation fence structure, can reduce the wave action of the outer sea side, promote the moisture-proof wind-lashing ability of sluice engineering, the structure is located above the outer sea side water pool, does not need to use sea approval, shortens the project construction period, adopts reinforced concrete structure, simple construction, high strength and durability, the reinforcing bar goes into two side wing walls and bottom bedrock, and two reinforced concrete crossbeams are connected between each energy dissipation fence, and the stability is good, the structure is optimized and designed, the structural strength is high, the energy dissipation effect is good, and the service life is long, under the condition that the sluice upgrading measure is limited, can reach the design moisture-proof standard through the setting energy dissipation fence, the utility model discloses an outer sea sluice wave energy dissipation fence structure constructs the energy dissipation fence in the form of the outer sea side water pool, and the construction cost is low, the structure is simple, the construction difficulty is low, does not occupy the sea area, and has certain application value in the protection of sluice from the wave invasion. ACCURACY

[0020] Figure 1 It is the installation schematic drawing of the utility model discloses an outer sea sluice wave energy dissipation fence structure;

[0021] Figure 2 It is the structure schematic view of the wave energy dissipation fence structure of the outer sea sluice of the utility model;

[0022] Figure 3 It is the plan view of the wave energy dissipation fence structure of the outer sea sluice of the utility model;

[0023] Figure 4 It is the sectional view of the wave energy dissipation fence structure of the outer sea sluice of the utility model;

[0024] Figure 5 It is the sectional view of the energy dissipation column of the wave energy dissipation fence structure of the outer sea sluice of the utility model. DETAILED DESCRIPTION

[0025] The utility model embodiment is introduced in detail below in combination with the drawings.

[0026] Reference Figures 1-5 The utility model provides a kind of wave energy dissipation fence structure of outer sea sluice, it is installed in the apron or energy dissipation basin downstream (outer side) of sluice, for effectively reducing wave impact force, protect sluice main structure, prolong service life, improve flood control disaster resistance, ensure the safe and stable operation of water conservancy project.

[0027] Specifically, it includes energy dissipation fence body, which is used to be installed into apron 10 downstream of sluice, after installation, the length direction of energy dissipation fence body is parallel to the width direction of apron 10, and the two ends of energy dissipation fence body are connected with wing wall 11 on both sides, and the bottom is connected with the bottom surface of apron.

[0028] Energy dissipation fence body includes multiple energy dissipation columns, energy dissipation column is perpendicular to horizontal plane, multiple energy dissipation columns are equidistantly arranged along the width direction of apron 10, and the distance between adjacent two energy dissipation columns is less than the height of energy dissipation column;The energy dissipation column includes lower column body 22 and upper column body 21 arranged on lower column body 22, lower column body 22 is used for fixed connection with the bottom surface of apron 10, in the application, the cross section of lower column body 22 and upper column body 21 is oval or runway shape, at the same time, the length direction of its cross section is parallel to the width direction of energy dissipation fence body, which can well bear the frontal impact of sea wave;Adjacent two lower column bodies 22 and adjacent two upper column bodies 21 are connected by cross beam, and the whole forms fence structure, and the two ends of energy dissipation fence body are provided with connecting cross beam 25, which is used for fixed connection with wing wall 11 on both sides of apron 10, so as to realize the fixed installation of energy dissipation fence body in apron or energy dissipation basin.

[0029] In the embodiment, the height ratio H1:H2 of upper column body 21 and lower column body 22 is (1-2):1, preferably 1.5:1, and the length-width ratio L2:S2 of the cross section of upper column body 21 is (1.2-2):1, preferably 1.5:1.

[0030] The cross-sectional width S2 of the upper column 21 is the same as the cross-sectional width S1 of the lower column 22, the front end and the rear end of the lower column 22 are inclined surfaces, the longitudinal section forms a trapezoidal structure with a small upper end and a large lower end, the angle between the front and rear ends and the horizontal plane is greater than or equal to 65 degrees and less than or equal to 80 degrees, preferably 70-75 degrees, a tapered structure is formed in the length direction, the support strength of the bottom is enhanced, the pressure bearing capacity is strong; at the same time, in the width direction, the size is unchanged, and the cross-sectional width of the upper column 21 is consistent, to ensure the stability of the overall structure; the top surface of the lower column is exactly the same as the cross-sectional shape of the upper column, forming a natural transition without edge and step structure, compact structure, high strength, good stability and strong impact resistance.

[0031] The cross-sectional shape of the beam and the connecting beam 25 can be circular.

[0032] The cross-sectional shape of the beam and the connecting beam 25 can be circular.

[0033] Alternatively, the cross-sectional shape of the beam and the connecting beam 25 can also be oval or track-shaped, when the cross-sectional shape is oval or track-shaped, the length direction of the cross-sectional shape is parallel to the width direction of the energy dissipation grid body, the thickness of the width direction of the energy dissipation grid body is increased, and the impact resistance of the overall structure is enhanced.

[0034] The energy dissipation grid body described above is made of reinforced concrete structure, a first reinforcing bar group capable of extending into the wing wall is arranged at the end of the connecting beam 25, and a second reinforcing bar group capable of extending into the apron is arranged at the lower end of the energy dissipation column, so that the energy dissipation grid body and the apron or the energy dissipation pool foundation form an integrated structure, the structural strength and overall stability are improved, the sea wave impact resistance is strong, and the wave dissipation effect is good.

[0035] The following describes a preferred embodiment of the energy dissipation grid body in the application:

[0036] The energy dissipation fence body comprises two parts of energy dissipation columns and beams, and is a reinforced concrete structure, with the reinforcement extending into the two side wing walls and the bottom bedrock of the apron by 500 mm, the height of the upper column body is 3 m, and the height of the lower column body is 2 m, the upper column body is an elliptical or track-shaped column body, the long side of the cross section is 1.5 m, and the short side is 1.0 m, the long side of the lower column body increases from 1.5 m to 3 m, and the short side remains unchanged, the interval between the two energy dissipation columns is 2 m, and a circular reinforced concrete beam with a diameter of 1 m is arranged between the two energy dissipation columns, and the upper beam and the lower beam are connected to the top of the energy dissipation column, and the distance from the center of the upper beam and the lower beam to the top of the energy dissipation column is 1.25 m and 3.25 m respectively. The energy dissipation column reduces the pressure of the outside sea side wave, reduces the tidal level, and protects the safety of the water gate. The function of the beam is to increase the structural rigidity, strengthen the structural support, and improve the stability of the energy dissipation fence, and also has a certain energy dissipation function.

[0037] The energy dissipation fence is used for wave energy dissipation on the outside sea side of the water gate, and a plurality of rows of energy dissipation fences are arranged on the upper part of the water pool along the flow direction in the design or reinforcement stage of the water gate, when the wave meets the energy dissipation fence, the wave is broken, the energy propagation direction is changed, and the energy is dissipated, so as to reduce the action force of the wave and protect the gate plate of the water gate, and meet the engineering anti-tidal standard.

[0038] The wave energy dissipation fence structure of the outer sea water gate can reduce the action of the outside sea side wave, improve the anti-tidal and anti-wave capacity of the water gate project, and has the advantages that the structure is located above the water pool on the outside sea side, no sea approval is needed, the project construction period is shortened, the reinforced concrete structure is simple in construction, high in strength and durability, the reinforcement extends into the two side wing walls and the bottom bedrock, the stability is good, the structure is optimized and designed, the structural strength is high, the energy dissipation effect is good, and the service life is long, the wave dissipation fence is arranged under the condition that the water gate reinforcement measures are limited, the design anti-tidal standard is met, the wave dissipation fence structure of the outer sea water gate is used for wave dissipation in the form of constructing the energy dissipation fence on the water pool on the outside sea side, has the advantages of low construction cost, simple structure, low construction difficulty, and no occupation of the sea area, and has a certain application value in protecting the water gate from wave invasion.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and decorations can be made without departing from the technical principles of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

Claims

1. An offshore water lock wave energy dissipating fence structure, characterized by, The energy dissipation grid body is arranged in the apron downstream of the water gate, and comprises vertically arranged energy dissipation columns which are multiple and equidistantly arranged along the width direction of the apron. The energy dissipation column comprises a lower column body for connecting with the bottom surface of the apron and an upper column body arranged on the lower column body. The cross section of the lower column body and the upper column body is elliptical or track-shaped, and the length direction of the cross section is parallel to the width direction of the energy dissipation grid body. Adjacent two lower column bodies and / or adjacent two upper column bodies are connected through a cross beam. Both ends of the energy dissipation grid body are provided with a connecting cross beam for connecting with the wing walls on both sides of the apron. The aspect ratio of the cross section of the upper column body is (1.2-2):

1.

2. An offshore water lock wave dissipation fence structure according to claim 1, characterized in that: The height ratio of the upper column body to the lower column body is (1-2):

1.

3. The offshore water lock wave dissipation fence structure of claim 1, wherein: The cross beam comprises an upper cross beam arranged between adjacent two upper column bodies and a lower cross beam arranged between adjacent two lower column bodies. The upper cross beam is arranged at the middle upper part of the upper column body, and the lower cross beam is arranged at the middle upper part of the lower column body.

4. The offshore water lock wave dissipation fence structure of claim 1, wherein: The distance between adjacent two energy dissipation columns is less than the height of the energy dissipation column.

5. The offshore water lock wave dissipation fence structure of claim 1, wherein: The cross section of the cross beam and the connecting cross beam is circular.

6. The offshore water lock wave dissipation fence structure of claim 1, wherein: The cross section of the cross beam and the connecting cross beam is elliptical or track-shaped, and the length direction of the cross section is parallel to the width direction of the energy dissipation grid body.

7. The offshore water lock wave dissipation fence structure of claim 1, wherein: The width of the cross section of the upper column body and the lower column body is the same.

8. The offshore water lock wave dissipation fence structure of claim 1, wherein: The length of the connecting cross beam is less than or equal to the length of the cross beam.

9. The offshore water lock wave dissipation fence structure of claim 1, wherein: The front end and the rear end of the lower column body are inclined surfaces, and the included angle between the inclined surfaces and the horizontal plane is greater than or equal to 65 degrees and less than or equal to 80 degrees.

10. The offshore water lock wave dissipation fence structure of claim 1, wherein: ​

Images