CN216445914U

CN216445914U - Hydraulic engineering river course combined type ecological bank protection

Info

Publication number: CN216445914U
Application number: CN202123237413.6U
Authority: CN
Inventors: 叶晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-06
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a hydraulic engineering river combined type ecological slope protection, which comprises a slope body, wherein a retaining wall is arranged in front of a slope toe of the slope body, a backfill stone slag layer is arranged between the retaining wall and the slope toe of the slope body, top surfaces of the retaining wall and the backfill stone slag layer are provided with a coping, a wave-proof wall is arranged on the slope crown of the slope body, a rammed clay layer is arranged on the slope surface of the slope body, lattice stalks are poured on the rammed clay layer, gaps are reserved between the adjacent lattice stalks, a drainage ditch is formed by the gaps, a gravel cushion layer, plant-growing concrete and a nutrition base layer are sequentially paved in the lattice stalks from bottom to top, green plants are planted on the nutrition base layer, and the lattice stalks and the coping are connected into a whole through concrete frame lattice beams. The utility model has the advantages of good structural stability, high integral strength, convenient construction, difficult water and soil loss and quick water drainage.

Description

Hydraulic engineering river course combined type ecological bank protection

Technical Field

The utility model relates to an ecological revetment, in particular to a composite ecological revetment for a river channel of hydraulic engineering.

Background

Traditional river course bank protection mainly has grout or dry masonry block stone bank protection, cast in situ concrete bank protection, precast concrete block bank protection etc.. The revetment with the structure forms plays a certain role in the aspects of keeping the structural stability of the bank slope, preventing water and soil loss, preventing flood and draining stagnant water and the like.

With the change of times, people are aware that the ecological slope protection has certain ecological significance besides paying attention to the functionality of the river slope protection, and the ecological slope protection becomes the key point of people's attention in the process of modern water conservancy flood protection engineering construction and is also a product derived from the production and development of the modern society.

For example, grant notice number CN209538120U, grant notice date: 2019, 10 and 25 disclose a novel ecological slope protection structure which is arranged on a bank slope and comprises a ballast arranged at the bottom of a bank slope, a reversed filter layer covered on the bank slope, a cushion layer, a protective surface and a coping arranged at the top of the bank slope; the cushion layer covers the inverted filter layer, and the protective surface is arranged on the cushion layer. The ecological slope protection has the following defects: the whole structure has low strength, unstable structure, easy collapse, easy water accumulation and soil erosion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of the ecological revetment in the prior art and provides the composite ecological revetment for the river channel of the hydraulic engineering, which has the advantages of good structural stability, high overall strength, convenience in construction, difficulty in water and soil loss and quick drainage.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model relates to a hydraulic engineering river combined type ecological slope protection, which comprises a slope body, wherein a retaining wall is arranged in front of a slope toe of the slope body, a backfill stone slag layer is arranged between the retaining wall and the slope toe of the slope body, top surfaces of the retaining wall and the backfill stone slag layer are provided with a coping, a wave protection wall is arranged on the slope crown of the slope body, a rammed clay layer is arranged on the slope surface of the slope body, lattice stalks are poured on the rammed clay layer, gaps are reserved between the adjacent lattice stalks and form drainage channels, a broken stone cushion layer, plant-growing concrete and a nutrition base layer are sequentially paved in the lattice stalks from bottom to top, green plants are planted on the nutrition base layer, and the lattice stalks and the coping as well as the lattice stalks and the wave protection wall are connected into a whole through concrete frame lattice beams. According to the utility model, the backfill ballast layer is arranged between the retaining wall and the slope toe of the slope body, and the backfill ballast layer can disperse, reduce the pressure of the slope body on the retaining wall, play a role in unloading and contribute to improving the anti-overturning capacity of the retaining wall; the protective performance of the utility model can be effectively improved through the retaining wall and the wave wall; the grid stalks are used for accommodating the green plant substrates to plant green plants, so that the novel slope surface is a plant slope surface, and therefore, the soil can be fixed, and the requirements of ecological environment can be met; the drainage ditch can drain rainwater fast, can avoid ponding and influence the survival of green planting and the nutrient medium in the lattice stalk runs off.

Preferably, the bottom of the retaining wall is provided with a reinforced concrete bearing platform, a plain concrete leveling layer and a stone cushion layer from top to bottom. The reinforced concrete bearing platform, the plain concrete leveling layer and the sheet stone cushion layer form the foundation of the retaining wall together, so that the retaining wall is not easy to settle and sink, and the structural stability of the retaining wall is improved.

Preferably, the thickness of the reinforced concrete bearing platform is 30-35 cm, the thickness of the plain concrete leveling layer is 5-7 cm, and the thickness of the stone cushion layer is 15-20 cm.

Preferably, a drain pipe is buried in the retaining wall, and a reverse filter bag is arranged at a water inlet of the drain pipe.

Preferably, the retaining wall comprises an inner wall body and an outer wall body, the outer wall body is made of mortar-masonry barred rocks, the inner wall body is made of concrete masonry blocks, and the thickness of the inner wall body is larger than that of the outer wall body. The retaining wall comprises an inner wall body and an outer wall body

Preferably, two layers of reverse filter geotextile are arranged between the inner wall body and the backfill ballast layer.

Preferably, a reverse filtering layer is arranged between the rammed clay layer and the grid stem.

Preferably, the thickness of the rammed clay layer is 30-40 cm.

Therefore, the utility model has the following beneficial effects: combine retaining wall, plant bank protection and wave wall as a whole, stable in structure, the bulk strength is high, and the protecting effect is good, and the construction is simple, both can play the effect of protection, firm soil, can satisfy ecological environment's needs again, has overcome traditional river course bank protection single structure, with shortcomings such as environment incoordination.

Drawings

FIG. 1 is a cross-sectional view of the present invention.

Figure 2 is a schematic view of a distribution of concrete lattice beams.

In the figure: the concrete foundation comprises a slope body 1, a backfill ballast layer 2, a coping 3, a wave wall 4, a rammed clay layer 5, lattice peduncles 6, a drainage ditch 7, a gravel cushion layer 8, plant concrete 9, a nutrition base layer 10, green plants 11, concrete frame lattice beams 12, a reinforced concrete bearing platform 13, a plain concrete leveling layer 14, a stone cushion layer 15, a drainage pipe 16, an anti-filtration bag 17, an inner wall body 18, an outer wall body 19, anti-filtration geotextile 20 and an anti-filtration layer 21.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in figure 1, the combined ecological protection slope for the hydraulic engineering riverway comprises a slope body 1, a retaining wall is arranged in front of a slope toe of the slope body, a reinforced concrete bearing platform 13 with the thickness of 30cm, a plain concrete leveling layer 14 with the thickness of 5cm and a stone slab cushion layer 15 with the thickness of 15cm are sequentially arranged at the bottom of the retaining wall from top to bottom, a drain pipe 16 is embedded in the retaining wall, a reverse filter bag 17 is arranged at a water inlet of the drain pipe, the retaining wall comprises an inner wall body 18 and an outer wall body 19, the outer wall body is made of mortar rubbles, the inner wall body is made of concrete rubbles, the thickness of the inner wall body is larger than that of the outer wall body, the inner wall body is made of concrete rubbles, a backfill stone slag layer 2 is arranged between the retaining wall and the slope toe of the slope body, two layers of reverse filter geotextile 20 are arranged between the inner wall body and the backfill stone slag layer, a coping 3 is arranged on the top surfaces of the retaining wall and the backfill stone slag layer, a wave-proof wall 4 is arranged on the slope top of the slope body, and a clay layer with the thickness of 40cm is arranged on the slope surface of the slope body, the lattice peduncle 6 is poured on the rammed clay layer, the inverted filter layer 21 is arranged between the rammed clay layer and the lattice peduncle, a gap is reserved between every two adjacent lattice peduncles, the gap forms a drainage ditch 7 (as shown in figure 2), the broken stone cushion layer 8, the plant concrete 9 and the nutrition base layer 10 are sequentially paved in the lattice peduncle from bottom to top, the green plant 11 is planted on the nutrition base layer, and the lattice peduncle and the coping are connected into a whole through the concrete frame lattice beam 12.

The construction method comprises the following steps: firstly digging a foundation, removing sludge, pouring from bottom to top to form a rubble cushion layer, a plain concrete leveling layer and a reinforced concrete bearing platform, then building a retaining wall, digging a slope body and supporting a mold, backfilling stone slag between the retaining wall and the slope toe of the slope body to form a backfill stone slag layer, building a coping (a bar stone) on the top surfaces of the retaining wall and the backfill stone slag layer, then removing the soil on the upper layer of the slope surface of the slope body, filling clay and tamping to obtain a tamping clay layer, building a wave-proof wall on the top of the slope, finally supporting the mold on the tamping clay layer, pouring lattice stems and concrete frame lattice beams, filling the rubble cushion layer, the plant concrete and the nutrition base layer into the lattice stems in sequence, and planting green plants.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims

1. The utility model provides an ecological bank protection of hydraulic engineering river course combined type, includes slope body (1), its characterized in that, the toe the place ahead of slope body is equipped with retaining wall, be equipped with backfill ballast layer (2) between retaining wall and the toe of slope body, the top surface of retaining wall and backfill ballast layer is equipped with bears top (3), and the top of slope body is equipped with wave wall (4), is equipped with rammed clay layer (5) on the domatic of slope body, it has built lattice stalk (6) on the rammed clay layer, leaves the clearance between the adjacent lattice stalk, and this clearance forms escape canal groove (7), from down up having laid rubble bed course (8), planting concrete (9) and nutrition basic unit (10) in proper order in the lattice stalk, plant green planting (11) on the nutrition basic unit, and between lattice stalk and the press top and the wave wall between connect as a whole through concrete frame lattice beam (12).

2. The hydraulic engineering riverway combined type ecological slope protection according to claim 1, wherein a reinforced concrete bearing platform (13), a plain concrete leveling layer (14) and a stone slab layer (15) are arranged at the bottom of the retaining wall from top to bottom.

3. The hydraulic engineering river channel combined type ecological slope protection according to claim 2, wherein the thickness of the reinforced concrete bearing platform is 30-35 cm, the thickness of the plain concrete leveling layer is 5-7 cm, and the thickness of the stone cushion layer is 15-20 cm.

4. The hydraulic engineering river combined type ecological slope protection according to claim 1, wherein a drain pipe (16) is buried in the retaining wall, and a water inlet of the drain pipe is provided with a reverse filter bag (17).

5. The hydraulic engineering riverway composite ecological slope protection according to claim 1 or 2, wherein the retaining wall comprises an inner wall body (18) and an outer wall body (19), the outer wall body is a grouted batten, the inner wall body is a concrete block stone, and the thickness of the inner wall body is larger than that of the outer wall body.

6. The hydraulic engineering riverway combined type ecological slope protection according to claim 5, wherein two layers of reversed filter geotextiles (20) are arranged between the inner wall body and the backfill ballast layer.

7. The hydraulic engineering river combined type ecological slope protection according to claim 1, wherein a reverse filtering layer (21) is arranged between the rammed clay layer and the lattice peduncles.

8. The hydraulic engineering river combined type ecological slope protection according to claim 1 or 7, wherein the thickness of the compacted clay layer is 30-40 cm.