Fish nest type film bag concrete ecological revetment

Abstract

The utility model discloses a fish nest type membrane bag concrete ecological revetment, which relates to the technical field of ecological revetments and comprises a fish nest type membrane bag concrete ecological revetment body, the fish nest type membrane bag concrete ecological revetment body is provided with a fish nest cavity, and the fish nest cavity is composed of a transverse membrane bag partition, a longitudinal membrane bag partition and a fish nest bottom plate. The transverse film bag partitions and the longitudinal film bag partitions play a role in serving as fish nest side walls, and a fish nest bottom plate is a flexible woven anti-seepage plate sewn in the film bags, so that the anti-seepage and anti-impact performance of the film bag concrete revetment is guaranteed. In order to facilitate filling of concrete, the hole diameters of the transverse film bag partitions and the longitudinal film bag partitions can be adjusted according to engineering practice, and grouting holes are formed in the intersections of the transverse film bag partitions and the longitudinal film bag partitions. By laying the fish nest type film bag ecological revetment, small and medium-sized aquatic plants can be planted in the fish nest while the safety and durability of the channel bank slope structure are guaranteed, refuge and nest-building conditions are provided for fishes, and ecological population recovery of the channel water area is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the water ecological restoration field especially relates to a membrane bag concrete ecological revetment structure suitable for constructing fish nest. BACKGROUND

[0002] Membrane bag concrete revetment has the advantages of strong scouring resistance, good durability and simple construction, and is widely used in inland river shipping engineering, but the ordinary membrane bag concrete revetment lacks voids and cannot provide activity and refuge places for aquatic animals, which is not conducive to the stable development of river ecosystem structure. SUMMARY

[0003] The utility model discloses a kind of membrane bag concrete ecological revetment structures suitable for constructing fish nest, which can provide activity space and refuge place for aquatic animals under the condition of guaranteeing the excellent characteristics of membrane bag concrete revetment such as scouring resistance, durability and simple construction.

[0004] The technical scheme adopted by the utility model is as follows: a membrane bag concrete ecological revetment structure suitable for constructing fish nest, comprising a foot, a plane revetment slope surface, a fish nest cavity and a coping; the foot is embedded in the riverbed; the coping is embedded in the soil body of bank slope.

[0005] The fish nest cavity is surrounded by a horizontal membrane bag partition, a longitudinal membrane bag partition and a fish nest bottom plate, and the opening of the fish nest cavity is arranged on the water-facing side.

[0006] The fish nest bottom plate is a seepage prevention composite plate formed by sewing a flexible woven seepage prevention plate in the membrane bag, and is sewn together with the horizontal membrane bag partition, the longitudinal membrane bag partition and the plane revetment membrane bag.

[0007] The vertical membrane bag partition and the horizontal membrane bag partition are communicated with the plane revetment membrane bag, and are provided with grouting holes.

[0008] The grouting holes are arranged at intervals of 2m, and the interval can be adjusted according to the actual engineering condition.

[0009] The utility model has the beneficial effects that the fish nest cavity is surrounded by the horizontal membrane bag partition, the longitudinal membrane bag partition and the fish nest bottom plate, which can not only meet the scouring resistance requirement of the revetment structure in the high flow rate area, but also provide activity places and refuge spaces for aquatic animals through the fish nest cavity and planted aquatic plants, and has good ecology. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a whole schematic view of a fish nest type membrane bag concrete ecological revetment structure provided by the utility model embodiment.

[0011] Figure 2The utility model embodiment provides a kind of cross section of fish nest type membrane bag concrete ecological revetment structure.

[0012] Figure 3 The utility model embodiment provides a kind of fish nest cavity structure diagram of fish nest type membrane bag concrete ecological revetment structure.

[0013] In the drawing: 10-protects foot;20-fish nest cavity;30-plane revetment slope;40-coping;11-membrane bag lower sleeve;12-river bed;21-transverse membrane bag partition;22-longitudinal membrane bag partition;23-fish nest bottom plate;24-plant;25-grouting hole;26-grouting hole cover;41-membrane bag upper sleeve;42-bank slope top. DETAILED DESCRIPTION

[0014] To make the person of revetment design construction more in-depth understanding fish nest type membrane bag concrete ecological revetment design construction key points, the following with the example of the drawings, the technical scheme in the example is further described, the following description is used to illustrate the application method of the example, but the utility model is not limited to the following description key points.

[0015] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "longitudinal" "transverse" is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implicit of the device or element indicated must have a particular orientation, a particular orientation and operation, so it cannot be understood as a limitation on the utility model.

[0016] As Figure 1 Indicated, the utility model embodiment provides a kind of membrane bag concrete ecological revetment structure suitable for constructing fish nest type, including protecting foot (10), fish nest cavity (20), plane revetment slope (30) and coping (40).

[0017] As Figure 1 Indicated, the fish nest cavity (20), plane revetment slope (30) jointly form revetment slope structure, the protecting foot (10) is buried into river bed (12), and the coping (40) is buried into bank slope top (42) soil body and is connected with the uppermost layer of plane revetment slope (30), so that protecting foot (10), fish nest cavity (20), plane revetment slope (30) and coping (40) form an entirety.

[0018] As Figure 1 Indicated, the fish nest cavity (20) is located between upper and lower plane revetment slope (30), and the width of lower plane revetment slope is not less than 0.5m, and the number of rows of fish nest cavity (20) can be determined according to water depth and revetment slope of channel.

[0019] As Figure 2As shown, the fish nest cavity (20) top is below the lowest navigable water level 0.2m of the channel, and the water flow can freely enter and exit the cavity from the water side, and small aquatic plants (24) can be planted in the fish nest cavity (20).

[0020] As shown in the drawings, Figure 3 As shown, the fish nest cavity (20) is surrounded by transverse membrane bag partition (21), longitudinal membrane bag partition (22), and fish nest bottom plate (23), and the flexible woven impermeable plate in the fish nest bottom plate (23) is sewn in the membrane bag.

[0021] As shown in the drawings, Figure 3 As shown, to ensure the stability of the revetment structure, the aperture of the transverse membrane bag partition (21) is 0.4m, and the aperture of the longitudinal membrane bag partition (22) is 0.5m, which can be adjusted according to the actual engineering.

[0022] As shown in the drawings, Figure 3 As shown, to facilitate concrete filling, make the new poured concrete flow smoothly in the membrane bag, and ensure the filling effect of the transverse membrane bag partition (21) and the longitudinal membrane bag partition (22), grouting holes (25) are arranged at the intersection of the transverse membrane bag partition (21) and the longitudinal membrane bag partition (22), the grouting hole (25) has an aperture of 0.2m, and the upper, lower, left and right spacings are all 2m, which can be adjusted according to the actual engineering.

[0023] As shown in the drawings, Figure 3 As shown, the grouting hole (25) is provided with a grouting hole cover (26), which is screwed tightly after the concrete is filled, to protect the new poured concrete.

[0024] The fish nest type membrane bag concrete ecological revetment structure is constructed by setting the toe (10), the fish nest cavity (20), the planar revetment slope (30) and the coping (40), which can plant aquatic plants and provide activity sites and refuge spaces for aquatic animals while ensuring the impact resistance of the revetment, and has good ecology.

[0025] The above only describes typical embodiments of the present application, and for those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fish nest type membrane pocket concrete ecological revetment, characterized in that: It comprises a toe (10), a fish nest cavity (20), a plane revetment slope surface (30) and a coping (40); the fish nest cavity (20) and the plane revetment slope surface (30) jointly form a revetment slope surface structure; the toe (10) is embedded in a riverbed (12); and the coping (40) is embedded in a soil body of a bank slope top (42).

2. A fish nest type membrane bag concrete ecological revetment according to claim 1, characterized in that: The fish nest cavity (20) is jointly surrounded by a transverse membrane bag partition (21), a longitudinal membrane bag partition (22) and a fish nest bottom plate (23), and the fish nest cavity (20) is provided with an opening on a water-facing side.

3. A fish nest type membrane bag concrete ecological revetment according to claim 2, characterized in that: The fish nest bottom plate (23) is a flexible woven impermeable plate sewn in the membrane bag.

4. A fish nest type membrane bag concrete ecological revetment according to claim 2, characterized in that: In order to guarantee the stability of the revetment structure, the transverse membrane bag partition (21) has a diameter of 0.4 m, and the longitudinal membrane bag partition (22) has a diameter of 0.5 m, which can be adjusted according to the actual engineering.

5. A fish nest membrane pocket concrete ecological revetment according to claim 4, characterized in that: In order to facilitate concrete filling, grouting holes (25) are arranged at intersections of the transverse membrane bag partition (21) and the longitudinal membrane bag partition (22), and the grouting holes (25) are arranged at equal intervals.

6. A fish nest membrane pocket concrete ecological revetment according to claim 5, characterized in that: The grouting holes (25) are provided with grouting hole covers (26), the grouting hole covers (26) are screwed tightly after the concrete filling is completed, so as to protect the newly filled concrete.

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