CN213417730U

CN213417730U - Wetland revetment slope protection structure

Info

Publication number: CN213417730U
Application number: CN202022199909.8U
Authority: CN
Inventors: 曾繁荣; 孙远; 吴贻坤; 郭镇文
Original assignee: Shenzhen Construction Engineering Group Co Ltd
Current assignee: Shenzhen Construction Engineering Group Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-11
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a wetland revetment slope protection structure, it includes plain soil tamped layer, establishes at the geotechnological cloth layer on plain soil tamped layer top, establishes on geotechnological cloth layer top and top surface and be the echelonment level gravel layer and fix the multistage gabion net at level gravel layer top surface ladder department, be equipped with aquatic plant in the gabion net, the top of the highest gabion net in position is equipped with the vegetation revetment, the top surface that vegetation revetment one end was kept away from on the geotechnological cloth layer is equipped with the loss prevention barricade, the one end that the vegetation revetment was kept away from to the level gravel layer and the loss prevention barricade butt. The present application has the following effects: the graded broken stone layer is because the fender that encloses of loss prevention barricade, even if when the river water is more torrential, the graded broken stone layer can not produce owing to the scouring of river water and run off yet to make graded broken stone layer form effective support to the gabion net.

Description

Wetland revetment slope protection structure

Technical Field

The application relates to the technical field of wetland revetment ecological transformation, in particular to a wetland revetment slope protection structure.

Background

Revetment is a structure that is installed under the bottom of a river and is used to protect the river bank and prevent the river bank from collapsing or being washed by river water. The purpose of revetment construction is to stabilize the river course. The river revetment protection is an important part of river comprehensive treatment, whether the design is reasonable or not is directly related to the safety and the appearance landscape of the whole river, and the river revetment protection has important significance for the prosperity of the city and the promotion of the surrounding environment.

The utility model discloses a chinese utility model patent that grant bulletin number is CN208733565U discloses a wetland revetment structure, including plain soil tamped layer, the geotechnological cloth layer has been laid to the upper surface on plain soil tamped layer, the last fixed surface on geotechnological cloth layer installs the level and joins in marriage the metalling, the last fixed surface on level and joins in marriage the metalling installs gabion net barricade, gabion net barricade includes first gabion net, second gabion net and third gabion net, second gabion net fixed mounting is in first gabion upper surface, third gabion net fixed mounting is in second gabion net, first gabion net, second gabion net and third gabion net are cascaded dislocation set, the upper surface planting of second gabion net has aquatic plant, the upper surface lid of third gabion net is equipped with the revetment.

With respect to the related art among the above, the inventors consider the following drawbacks: when the river water is turbulent, the graded broken stone layer is easy to run off by the scouring of the river water, so that the gabion net fixedly arranged on the upper surface of the graded broken stone layer is unstable.

SUMMERY OF THE UTILITY MODEL

In order to reduce the loss of grading rubble layer, make it form effective support to the gabion net, this application provides a wetland revetment slope protection structure.

The application provides a wetland revetment slope protection structure adopts following technical scheme:

the utility model provides a wetland revetment slope protection structure, includes plain soil tamped layer, establishes at the geotechnological cloth layer on plain soil tamped layer top, establishes on geotechnological cloth layer top and top surface and is the echelonment level gravel layer and fix the multistage gabion net at level gravel layer top surface ladder department, be equipped with aquatic plant in the gabion net, the top of the highest gabion net in position is equipped with the vegetation revetment, the top surface that vegetation revetment one end was kept away from on the geotechnological cloth layer is equipped with the barricade that prevents running off, the one end and the barricade butt that prevents running off of vegetation revetment are kept away from to the level gravel.

Through adopting above-mentioned technical scheme, the fender is kept off owing to the enclosing of loss prevention barricade to the graded rubble layer, even if when river water is more torrential, the graded rubble layer can not produce the loss because of the washing away of river water yet to make the graded rubble layer form effective support to the gabion net.

Optionally, the top on plain soil tamped layer is equipped with the mounting groove, geotechnological cloth layer is equipped with corresponding sunkenly in mounting groove department, the bottom of the barricade that runs off is located the mounting groove.

Through adopting above-mentioned technical scheme, the mounting groove makes the barricade that runs off and links to each other with the plain soil tamped layer, and the barricade that runs off is compared and is more firm in placing on geotechnological cloth layer simply, has avoided the barricade that runs off to produce easily and has rocked and cause it can't enclose the fender to the level of grading metalling.

Optionally, the vertical cross section of the vertical direction of the anti-loss retaining wall along the river surface is a taper, the big end of the anti-loss retaining wall is one end close to the plain soil tamping layer, the small end of the anti-loss retaining wall is one end far away from the plain soil tamping layer, and the shape of the mounting groove is matched with the big end of the anti-loss retaining wall.

Through adopting above-mentioned technical scheme, the toper structure makes the focus of the barricade that prevents running off move down, makes it more firm when installing in the mounting groove.

Optionally, the plain soil tamped layer is equipped with the scarf joint groove in mounting groove department, the bottom surface of the big end of the barricade that prevents running off is equipped with the scarf joint piece with scarf joint groove looks adaptation.

Through adopting above-mentioned technical scheme, when will prevent that the barricade that runs off installs in the mounting groove, in the scarf joint piece embedding scarf joint groove, the scarf joint piece further strengthened the steadiness of preventing the barricade that runs off with scarf joint groove cooperatees.

Optionally, an anchor plate is pre-buried in the middle of the rammed vegetarian soil layer, and an anchor line is arranged between the anchor plate and the anti-loss retaining wall.

Through adopting above-mentioned technical scheme, the barricade that prevents running off is because act as go-between links to each other with the anchor, and its steadiness is further strengthened again, and the barricade that prevents running off is better to the fender effect of enclosing of level grading rubble layer.

Optionally, be equipped with the via hole on the loss prevention barricade, the downthehole reinforcing bar of buckling that is equipped with of crossing, buckle the reinforcing bar including be located the via hole and two vertical sections that set up side by side, connect the section of bending of two vertical section one ends and establish two horizontal segments at the vertical section other end and the vertical section of perpendicular to, the horizontal segment is close to one side looks butt of river with the loss prevention barricade, the section of bending links to each other with acting as go-between.

Through adopting above-mentioned technical scheme, the barricade that prevents running off links to each other with the anchor through buckling the reinforcing bar, avoids acting as go-between snap-on the barricade that prevents running off and easily breaks away from with the barricade that prevents running off.

Optionally, the anti-loss retaining wall is provided with a water inlet.

Through adopting above-mentioned technical scheme, the inlet opening can make the rivers of river surface pass through in the inlet opening gets into the graded broken stone layer to the aquatic plant of the graded broken stone layer top of being convenient for absorbs moisture, has increased aquatic plant's survival rate. .

Optionally, the bottom surface that the river surface one end was kept away from to the gabion net is equipped with spacing portion, the graded broken stone layer is equipped with the spacing groove that is used for spacing portion to place.

By adopting the technical scheme, when the gabion mesh is fixed at the top end of the graded crushed stone layer, the limiting part falls into the limiting groove to form limiting; spacing portion and spacing groove cooperate, make the top surface of gabion net at the graded broken stone layer more firm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. due to the enclosure of the anti-loss retaining wall, the graded broken stone layer can not be lost due to the scouring of river water even when the river water is turbulent, so that the graded broken stone layer can effectively support the gabion mesh;

2. through pre-buried anchor plate in the plain soil tamp layer to make the barricade of preventing running off link to each other with the anchor plate through acting as go-between, further strengthened the steadiness of the barricade of preventing running off, the barricade of preventing running off is better to the fender effect that encloses of level grading metalling.

Drawings

Fig. 1 is a schematic structural diagram of a revetment structure according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a bent reinforcing steel bar in the embodiment of the present application.

Description of reference numerals: 1. a plain soil ramming layer; 11. mounting grooves; 111. embedding grooves; 2. a geotextile layer; 3. grading a crushed stone layer; 31. a limiting groove; 4. a gabion mesh; 41. a limiting part; 5. river surface; 6. an aquatic plant; 7. vegetation revetments; 8. a loss prevention retaining wall; 81. a scarf block; 82. a water inlet hole; 91. a wire drawing disc; 911. a pull wire; 92. bending the reinforcing steel bar; 921. a vertical section; 922. bending sections; 923. a horizontal segment.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses wetland revetment slope protection structure. Referring to fig. 1, the revetment structure comprises a rammed earth layer 1, a geotextile layer 2, a graded gravel layer 3 and a gabion mesh 4. The geotextile layer 2 is arranged at the top end of the plain soil compaction layer 1; the graded crushed stone layer 3 is arranged at the top end of the geotechnical cloth layer 2, the top surface of the graded crushed stone layer 3 is in a step shape, and the higher end of the graded crushed stone layer 3 is the end far away from the river surface 5; the gabion net 4 is fixed at the step of the graded crushed stone layer 3 and is provided with multiple stages. In this embodiment, the gabion mesh 4 is provided with three stages. Aquatic plants 6 are planted in the gabion mesh 4, and a vegetation revetment 7 is arranged at the top end of the gabion mesh 4 with the highest position. The top surface that 7 one end was kept away from to vegetation revetment is equipped with loss prevention barricade 8 on geotechnological cloth layer 2, and loss prevention barricade 8 is cutting process shaping and resistant rock that erodees. One end of the graded rubble layer 3, which is far away from the vegetation revetment 7, is abutted against the anti-loss retaining wall 8.

When the soil surface of the vegetation revetment 7 is tamped to form a plain soil tamped layer 1 with high bearing capacity, geotextile is laid on the top surface of the plain soil tamped layer 1 to form a geotextile layer 2, a loss prevention retaining wall 8 is fixed on the top surface of the geotextile layer 2 far away from the vegetation revetment 7, a graded gravel layer 3 is laid on the top surface of the geotextile layer 2, the top end of the graded gravel layer 3 is in a step shape, and a gabion mesh 4 is fixed on the step shape of the graded gravel layer 3. The graded broken stone layer 3 is because the fender that encloses of the run-off prevention barricade 8, even if when the river water is more torrential, the graded broken stone layer 3 can not produce owing to the washing away of river water and run off yet to make graded broken stone layer 3 form effective support to gabion net 4.

Referring to fig. 1, an installation groove 11 is provided at the top end of the rammed vegetarian soil layer 1. Geotechnological cloth layer 2 is equipped with corresponding sunken when laying in mounting groove 11 department, and the bottom of run-off-proof barricade 8 is located mounting groove 11. The mounting groove 11 connects the loss-prevention retaining wall 8 with the soil compacting layer 1, and the loss-prevention retaining wall 8 is more stable than simply being placed on the geotextile layer 2, so that the phenomenon that the loss-prevention retaining wall 8 is easily shaken to cause that the loss-prevention retaining wall cannot enclose the graded gravel layer 3 is avoided.

Referring to fig. 1, the anti-run-off retaining wall 8 is tapered in longitudinal section along the vertical direction of the river surface 5; the big end of the anti-loss retaining wall 8 is the end close to the plain soil tamping layer 1, and the small end of the anti-loss retaining wall 8 is the end far away from the plain soil tamping layer 1. The shape of the mounting groove 11 is matched with the big end of the anti-loss retaining wall 8. The conical structure makes the center of gravity of the anti-loss retaining wall 8 move downwards, so that the retaining wall is more stable when being installed in the installation groove 11.

The plain soil tamping layer 1 is provided with an embedding groove 111 at the mounting groove 11; the bottom surface of the large end of the anti-loss retaining wall 8 is provided with an embedding block 81 matched with the embedding groove 111, and the embedding block 81 and the anti-loss retaining wall 8 are of an integral structure. The embedding block 81 is also formed during the cutting process of the anti-run-off retaining wall 8. When the anti-loss retaining wall 8 is installed in the installation groove 11, the embedding block 81 is embedded into the embedding groove 111, and the embedding block 81 is matched with the embedding groove 111 to further strengthen the stability of the anti-loss retaining wall 8.

Referring to fig. 1, a guy wire disc 91 is pre-buried in the middle of the rammed vegetarian soil layer 1, and a guy wire 911 is arranged between the guy wire disc 91 and the anti-loss retaining wall 8. One end of the stay wire 911 is fixed on the stay wire disc 91, and the other end of the stay wire 911 is connected with the anti-loss retaining wall 8. The anti-loss retaining wall 8 is connected with the wire drawing disc 91 through the wire drawing 911, the stability is further enhanced, and the effect of the anti-loss retaining wall 8 on the enclosure of the graded gravel layer 3 is better.

Referring to fig. 1, the anti-run-off retaining wall 8 is provided with a water inlet 82. The water inlet 82 can make the water flow of the river surface 5 enter the graded gravel layer 3 through the water inlet 82, so that the aquatic plants 6 at the top end of the graded gravel layer 3 can absorb water, and the survival rate of the aquatic plants 6 is increased.

Referring to fig. 1, the bottom surface of the end of the gabion mesh 4 away from the river surface 5 is provided with a limiting part 41, and the graded crushed stone layer 3 is provided with a limiting groove 31 for placing the limiting part 41. When the gabion mesh 4 is fixed at the top end of the graded crushed stone layer 3, the limiting part 41 falls into the limiting groove 31 to form limiting; the limiting part 41 is matched with the limiting groove 31, so that the gabion mesh 4 is more stable on the top surface of the graded crushed stone layer 3.

Referring to fig. 1, the anti-run-off retaining wall 8 is provided with a via hole, and a bent steel bar 92 is arranged in the via hole. Referring to fig. 2, the bent reinforcing bar 92 includes two vertical sections 921, a bent section 922, and two horizontal sections 923. The two vertical sections 921 are arranged side by side and are positioned in the through holes; the bending section 922 is connected with one end of the two vertical sections 921; the two horizontal sections 923 are respectively arranged at two ends of the vertical section 921. Each section of the bent reinforcing steel bar 92 is of an integral structure, and is bent and formed by one reinforcing steel bar during processing. The horizontal segment 923 is connected with one side of the anti-loss retaining wall 8 close to the river surface 5, and the bending segment 922 is connected with the stay wire 911. The anti-loss retaining wall 8 is connected with the stay wire disc 91 through the bent steel bars 92, so that the stay wire 911 is prevented from being directly fixed on the anti-loss retaining wall 8 and being easily separated from the anti-loss retaining wall 8.

The implementation principle of the wetland revetment slope protection structure of the embodiment of the application is as follows: when the arrangement is carried out, the soil surface at the vegetation revetment 7 is firstly tamped to form the plain soil tamped layer 1 with higher bearing capacity, one end of the stay 911 of the stay plate 91 is pre-buried in the plain soil tamped layer 1 in the tamping process, then, sequentially arranging an installation groove 11 and an embedding groove 111 on the top surface of the plain soil tamped layer 1, laying geotextile on the top surface of the plain soil tamped layer 1 to form a geotextile layer 2, then the anti-run-off retaining wall 8 is fixed on the top surface of one end of the geotextile layer 2 far away from the vegetation revetment 7, the anti-run-off retaining wall 8 falls into the installation groove 11 during the fixing, meanwhile, the embedding block is embedded into the embedding groove 111, then the bent steel bar 92 passes through the through hole of the anti-loss retaining wall 8 to be fixedly connected with the pull wire 911, and then paving a graded gravel layer 3 on the top surface of the geotechnical cloth layer 2, enabling the top end of the graded gravel layer 3 to be in a step shape, and fixing a gabion net 4 at the step of the graded gravel layer 3. The graded broken stone layer 3 is because the fender that encloses of the run-off prevention barricade 8, even if when the river water is more torrential, the graded broken stone layer 3 can not produce owing to the washing away of river water and run off yet to make graded broken stone layer 3 form effective support to gabion net 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wetland revetment slope protection structure, includes plain soil tamped layer (1), establishes geotechnological cloth layer (2) on plain soil tamped layer (1) top, establishes on geotechnological cloth layer (2) top and top surface and is echelonment level distribution gravel layer (3) and fixes at the multistage gabion net (4) of level distribution gravel layer (3) top surface ladder department, be equipped with aquatic plant (6) in gabion net (4), the top of the highest gabion net (4) of position is equipped with vegetation revetment (7), its characterized in that: the top surface that vegetation revetment (7) one end was kept away from in geotechnological cloth layer (2) is equipped with prevents running off barricade (8), the one end of vegetation revetment (7) is kept away from in gradation metalling (3) with prevent running off barricade (8) butt.

2. The wetland revetment slope protection structure of claim 1, wherein: the top of plain soil tamp layer (1) is equipped with mounting groove (11), geotechnological cloth layer (2) are equipped with corresponding sunkenly in mounting groove (11) department, the bottom of preventing running off barricade (8) is located mounting groove (11).

3. The wetland revetment slope protection structure of claim 2, wherein: prevent that the vertical section of the vertical direction of retaining wall (8) that runs off along river surface (5) is the toper, prevents that the main aspects of retaining wall (8) that runs off is the one end that is close to plain soil tamped layer (1), prevents that the one end of retaining wall (8) tip that runs off is for keeping away from plain soil tamped layer (1), the shape of mounting groove (11) and the main aspects looks adaptation of retaining wall (8) that runs off are prevented.

4. The wetland revetment slope protection structure of claim 3, wherein: plain soil tamp layer (1) is equipped with scarf joint groove (111) in mounting groove (11) department, the bottom surface of loss prevention barricade (8) main aspects is equipped with scarf joint piece (81) with scarf joint groove (111) looks adaptation.

5. The wetland revetment slope protection structure of claim 4, wherein: an anchor plate (91) is pre-buried in the middle of the plain soil ramming layer (1), and an anchor (911) is arranged between the anchor plate (91) and the anti-loss retaining wall (8).

6. The wetland revetment slope protection structure of claim 5, wherein: prevent being equipped with the via hole on loss barricade (8), be equipped with reinforcing bar (92) of buckling in the via hole, buckle reinforcing bar (92) including being located two vertical section (921) that the downthehole just set up side by side, connect section (922) of bending of two vertical section (921) one end and establish two horizontal segment (923) at the vertical section (921) other end and the vertical section of perpendicular to (921), one side looks butt that horizontal segment (923) and loss-preventing barricade (8) are close to river surface (5), section (922) of bending links to each other with act as go-between (911).

7. The wetland revetment slope protection structure of claim 1, wherein: and a water inlet (82) is arranged on the anti-loss retaining wall (8).

8. The wetland revetment slope protection structure of claim 1, wherein: the bottom surface that river surface (5) one end was kept away from in gabion net (4) is equipped with spacing portion (41), graded gravel layer (3) are equipped with spacing groove (31) that are used for spacing portion (41) to place.