CN215518635U - Transformation system of city river flood prevention wall - Google Patents

Abstract

The utility model relates to the technical field of river engineering, in particular to a system for transforming urban river flood prevention walls, which comprises a lock chamber arranged between two sections of separated flood prevention walls and flood prevention retaining walls positioned on two sides of the lock chamber, wherein the lock chamber comprises a lock pier, the lock pier is provided with a door opening for pedestrians to pass through the lock pier, the inner wall of the door opening is provided with a door house, and the door house is internally provided with a gate which can move to the door opening and block the door opening; the flood prevention retaining wall is connected with the gate pier and the flood prevention wall. In the non-flood season, the gate of the gate chamber is positioned in the gate chamber, the gate hole is in an open state, and pedestrians on the water-back side of the flood control wall can pass through the gate hole to reach the river-side footpath on the water-side of the flood control wall, so that the hydrophilic requirement is met; during flood season, the gate of the gate chamber can be moved to the gate opening from the gate warehouse, the gate opening is blocked by the gate, and at the moment, the gate chamber, the flood control retaining walls on the left side and the right side and the flood control walls form a closed united body to jointly resist flood and guarantee flood control safety. Thereby meeting flood control or hydrophilic requirements at different stages.

Description

Transformation system of city river flood prevention wall

Technical Field

The utility model relates to the technical field of river engineering, in particular to a system for modifying an urban river flood prevention wall.

Background

The flood sudden rising and falling is an important hydrological characteristic of a river channel in a mountainous area, particularly remarkable in a rainstorm concentrated area, large in flood flow, short in duration, and after the flood passes, the river channel is restored to the original low-water trickle. In order to ensure flood control safety of the river during the flood season and life and property safety of residents along the river, flood control walls on the upper portion of the river are often built in urban areas, are limited by land space and are often in a vertical retaining wall structure. After the flood season, the water level of the river is restored to the normal state of trickle, and the vertical and high-rise flood prevention wall firmly guarantees the life and property safety of residents along the line, but blocks the inherent hydrophilic requirement of human beings, is contrary to the hydrophilic idea advocated by the human environment, and splits the harmonious relationship between human beings and nature.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a system for reforming the city river flood control wall, which can ensure flood control safety and meet hydrophilic requirements at the same time, so as to overcome the defects in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a system for transforming city river flood prevention walls comprises a lock chamber arranged between two sections of separated flood prevention walls and flood prevention retaining walls positioned on two sides of the lock chamber, wherein the lock chamber comprises lock piers, each lock pier is provided with a door opening through which pedestrians pass, the inner wall of each door opening is provided with a door house, and the door house is internally provided with a gate which can move to the door opening and block the door opening; the flood prevention retaining wall is connected with the gate pier and the flood prevention wall.

Preferably, the flood prevention retaining wall comprises a first retaining wall arranged on the rear side of the gate pier and a second retaining wall arranged on the rear side of the flood prevention retaining wall, sinking platforms leading to the bottom of the door opening are formed between the first retaining wall and the gate pier at intervals, channels leading to the sinking platforms are formed between the second retaining wall and the flood prevention retaining wall at intervals, and downlink steps for connecting the top surface of the second retaining wall with the sinking platforms are arranged in the channels.

Preferably, the top surface of the first retaining wall and the top surface of the second retaining wall are both flush with the wall rear floor.

Preferably, a first weather corridor is arranged between the top of the first retaining wall and the top of the gate pier.

Preferably, the gate pier and the first retaining wall are arranged on the gate chamber foundation, and the gate chamber foundation is arranged on the first plain concrete cushion layer.

Preferably, a second weather corridor is arranged between the top of the second retaining wall and the top of the flood prevention retaining wall.

Preferably, the flood prevention retaining wall and the second retaining wall are arranged on the retaining wall foundation, and the retaining wall foundation is arranged on the second plain concrete cushion layer.

Preferably, the flood control retaining wall is an empty box type flood control retaining wall.

Preferably, the front part of the top surface of the gate pier and the front part of the top surface of the flood prevention retaining wall are both provided with railings.

Compared with the prior art, the utility model has the remarkable progress that:

in the non-flood season, the gate of the gate chamber is positioned in the gate chamber, the gate hole is in an open state, and pedestrians on the water-back side of the flood control wall can pass through the gate hole to reach the river-side footpath on the water-side of the flood control wall, so that the hydrophilic requirement is met; during flood season, the gate of the gate chamber can be moved to the gate opening from the gate warehouse, the gate opening is blocked by the gate, and at the moment, the gate chamber, the flood control retaining walls on the left side and the right side and the flood control walls form a closed united body to jointly resist flood and guarantee flood control safety. From this, the transformation system of city river flood prevention wall of this embodiment can satisfy the flood control or the hydrophilic demand of different stages, when guaranteeing flood control safety, can regard as the tie of connecting city and nature, for the resident provides hydrophilic environment along the line, satisfies hydrophilic demand, specific good security, hydrophilicity, landscape nature and cost economic nature.

Drawings

Fig. 1 is a schematic plan view of a system for reforming an urban river flood control wall according to an embodiment of the utility model.

Fig. 2 is a schematic sectional view along the direction a-a of fig. 1 when the gate closes the door opening.

Fig. 3 is a schematic sectional view taken along the direction B-B in fig. 1.

Fig. 4 is a schematic front vertical view of a system for reconstructing a flood control wall of an urban river according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1 Gate chamber

11 gate pier

12 door opening

13-door storeroom

14 gate

15 first retaining wall

16 sinking platform

17 first wind and rain corridor

18 lock chamber basis

19 first plain concrete cushion layer

2 flood prevention retaining wall

21 second retaining wall

22 channel

23 Down step

24 second weather corridor

25 barricade foundation

26 second plain concrete cushion layer

3 flood prevention wall

4 Binjiang footpath

5 wall rear floor

6 railing

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 4, an embodiment of the system for reconstructing a flood wall of an urban river according to the present invention is shown. In the description of the present invention, the "left" side refers to the left side of the paper of fig. 1, the "right" side refers to the right side of the paper of fig. 1, and the left-right direction is also referred to as the transverse direction; the front side is the upper side of the paper surface of fig. 1, the front side is also the water side, and the water side is the side of the flood control wall of the river channel facing the river channel; the back side is the lower side of the paper surface in fig. 1, the back side is also the back water side, and the back water side is the side of the flood control wall of the river channel back to the river channel; the front-back direction is also called longitudinal direction; the "top" side refers to the outer side of the paper on the sheet of FIG. 1, and the "bottom" side refers to the inner side of the paper on the sheet of FIG. 1.

Referring to fig. 1, the system for reconstructing the urban river flood prevention wall in the embodiment includes a lock chamber 1 and a flood prevention retaining wall 2, the lock chamber 1 and the flood prevention retaining wall 2 are both disposed between two segments of separated flood prevention walls 3, the flood prevention wall 3 can be an existing urban river vertical flood prevention wall, and the existing urban river vertical flood prevention wall is partially dismantled through reconstruction construction to form the two segments of separated flood prevention walls 3. The flood prevention retaining walls 2 are provided with two groups, and the two groups of flood prevention retaining walls 2 are respectively positioned at the left side and the right side of the lock chamber 1. The lock chamber 1 comprises a lock pier 11, a door opening 12 is formed in the lock pier 11, the door opening 12 penetrates through the lock pier 11 along the longitudinal direction, and pedestrians can pass through the lock pier 11. The inner wall of the door opening 12 is provided with a door storage 13, the door storage 13 is an accommodating space communicated with the door opening 12, a gate 14 is arranged in the door storage 13, the gate 14 is movably arranged in the door storage 13, and the gate 14 can move to the door opening 12 from the door storage 13 and block the door opening 12. The gate 14 is invisible when being positioned in the door storeroom 13, and the overall landscape effect is not influenced. The flood prevention retaining wall 2 is connected with the gate pier 11 and the flood prevention wall 3.

In the non-flood season, the gate 14 of the gate chamber 1 is positioned in the gate chamber 13, the gate opening 12 is in an open state, and pedestrians on the backwater side of the flood control wall 3 can pass through the gate opening 12 to reach the riverside footpath 4 on the water side of the flood control wall 3, so that the hydrophilic requirement is met; in the flood season, the gate 14 of the gate chamber 1 can be moved to the gate opening 12 from the gate warehouse 13, the gate opening 12 is blocked by the gate 14, and at the moment, the gate chamber 1, the flood control retaining walls 2 and the flood control walls 3 on the left side and the right side form a closed united body to jointly resist flood and guarantee flood control safety. From this, the transformation system of city river flood prevention wall of this embodiment can satisfy the flood control or the hydrophilic demand of different stages, when guaranteeing flood control safety, can regard as the tie of connecting city and nature, for the resident provides hydrophilic environment along the line, satisfies hydrophilic demand, specific good security, hydrophilicity, landscape nature and cost economic nature.

Preferably, the gate 14 is located at one side (e.g. right side) of the door opening 12 when being accommodated in the door storage 13, the gate 14 is a sliding door capable of moving transversely between the door storage 13 and the door opening 12, and the sliding door can adopt an existing gate structure capable of moving transversely and horizontally, which has the advantage of convenient installation.

Referring to fig. 1, 2 and 3, preferably, the system for reconstructing a flood prevention wall of an urban river of the present embodiment further includes a first retaining wall 15 disposed at the rear side of the gate pier 11 and a second retaining wall 21 disposed at the rear side of the flood prevention retaining wall 2, a sinking platform 16 leading to the bottom of the door opening 12 is formed between the first retaining wall 15 and the gate pier 11 at an interval, a channel 22 leading to the sinking platform 16 is formed between the second retaining wall 21 and the flood prevention retaining wall 2 at an interval, and a descending step 23 connecting the top surface of the second retaining wall 21 and the sinking platform 16 is disposed in the channel 22. Referring to fig. 1 and 4, in the non-flood period, when the door opening 12 is opened, pedestrians on the side of the flood control wall 3 opposite to the water can pass through the descending steps 23 to reach the sinking platform 16, then enter the door opening 12 from the sinking platform 16, and pass through the door opening 12 to reach the riverside footpaths 4 of the flood control wall 3 adjacent to the water, so that the hydrophilic requirement is met.

To ensure an aesthetic effect and facilitate walking, referring to fig. 2 and 3, preferably, the top surface of the first retaining wall 15 and the top surface of the second retaining wall 21 are flush with each other and are both flush with the wall rear floor 5, and the wall rear floor 5 is higher than the Bingjiang footpath 4, so that the top surface of the first retaining wall 15 and the top surface of the second retaining wall 21 are both higher than the Bingjiang footpath 4.

Preferably, referring to fig. 1, second soil retaining walls 21 are disposed at the rear sides of the flood control retaining walls 2 at the left and right sides of the chamber 1, and then the downward steps 23 are disposed at the left and right sides of the sinking platform 16, so that it is more convenient for pedestrians on the ground 5 behind the walls to move downward to the sinking platform 16. In order to guarantee the retaining effect, the two second retaining walls 21 are respectively connected with the left side and the right side of the first retaining wall 15, the second retaining walls 21 are L-shaped, the long edges of the L-shaped second retaining walls 21 are connected with the first retaining walls 15, and the short edges of the L-shaped second retaining walls 21 are connected with one ends, far away from the lock chamber 1, of the flood control retaining walls 2.

To increase the landscape effect, referring to fig. 2, preferably, a first weather corridor 17 may be provided between the top of the first retaining wall 15 and the top of the gate pier 11 of the chamber 1; referring to fig. 3, preferably, a second wind and rain corridor 24 may be provided between the top of the second retaining wall 21 and the top of the flood control wall 2. In this embodiment, the top surface of the gate pier 11 is higher than the wall rear floor 5, that is, the top surface of the gate pier 11 is higher than the top surface of the first retaining wall 15; the top surface of the flood prevention retaining wall 2 is higher than the wall rear floor 5, that is, the top surface of the flood prevention retaining wall 2 is higher than the top surface of the second retaining wall 21. The top surface of the lock chamber 1 (namely the top surface of the lock pier 11) is flush with and connected with the top surface of the flood prevention retaining wall 2 to form a high landscape platform for pedestrians to ascend a height to view a landscape. Preferably, referring to fig. 4, the top platform on the backwater side of the flood control wall 2 is a gradual ascending platform, which is used as a walking path for pedestrians to visit the high viewing platform from the ground 5 behind the wall. Referring to fig. 1, preferably, the top longitudinal width of the gate chamber 1 is identical to the top longitudinal width of the flood prevention wall 2.

Referring to fig. 2 and 3, in order to ensure safety of pedestrians visiting a high viewing platform, it is preferable that a balustrade 6 is provided at both the front of the top surface of the gate pier 11 and the front of the top surface of the flood prevention wall 2.

Referring to fig. 2, in the present embodiment, preferably, the chamber 1 has a chamber foundation 18 and a first plain concrete pad 19 at the bottom, the gate pier 11 and the first retaining wall 15 are both disposed on the chamber foundation 18, the sinking platform 16 is formed by the chamber foundation 18 located between the gate pier 11 and the first retaining wall 15, the chamber foundation 18 is disposed on the first plain concrete pad 19, and the top surface of the chamber foundation 18 is flush with the top surface of the coastal sidewalk 4.

Referring to fig. 3, in the embodiment, preferably, the bottom of the flood control wall 2 is provided with a wall foundation 25 and a second plain concrete cushion 26, the flood control wall 2 and the second soil blocking wall 21 are both arranged on the wall foundation 25, the channel 22 is formed by enclosing the flood control wall 2, the second soil blocking wall 21 and the wall foundation 25 between the flood control wall 2 and the second soil blocking wall 21, the wall foundation 25 is arranged on the second plain concrete cushion 26, and the top surface of the wall foundation 25 is flush with the top surface of the Bingjiang footpath 4.

Referring to fig. 3, in this embodiment, preferably, the flood control retaining wall 2 is an empty box type flood control retaining wall, and a cavity is formed inside the empty box type flood control retaining wall, so that sand stones or soil bodies can be filled in the cavity according to the stable and safe requirements, and the engineering cost can be reduced.

In this embodiment, the top elevations of the lock chamber 1 and the flood prevention retaining wall 2 should meet the flood prevention requirement. The lock chamber 1 is preferably of a C30 reinforced concrete structure, the thickness of the lock chamber foundation 18 is preferably 80cm-150cm, and the first plain concrete cushion layer 19 below the lock chamber foundation 18 is preferably a C15 plain concrete cushion layer with the thickness of 1 cm. The flood prevention retaining wall 2 is preferably of a C30 reinforced concrete structure, the thickness of the retaining wall foundation 25 is preferably 60cm-100cm, and the second plain concrete cushion layer 26 below the retaining wall foundation 25 is preferably a C15 plain concrete cushion layer with the thickness of 1 cm. The first wind and rain corridor 17 preferably adopts a C30 reinforced concrete space truss structure and is erected between the top of the first retaining wall 15 and the top of the gate pier 11 of the gate chamber 1; the second wind and rain corridor 24 preferably adopts a C30 reinforced concrete space truss structure and is erected between the top of the second retaining wall 21 and the top of the flood control retaining wall 2, so that a safe and comfortable walk channel along the river behind the bank displaying urban culture is constructed.

The transformation system of the urban river flood prevention wall of the embodiment realizes smooth transition between cities and nature, is particularly suitable for transformation of upright flood prevention walls of riverways in urban mountain areas, the overall transverse length of the lock chambers 1 and the two groups of flood prevention retaining walls 2 can be 30-50 m, namely the transformation length of the existing urban river vertical flood prevention wall is 30-50 m, so that a good landscape effect and a wall front-wall rear through effect can be achieved, the safe, reliable, economic and reasonable river flood prevention wall is organically combined in an amphibious manner, and meanwhile, the transformation system has the advantages of convenience and rapidness in construction and low comprehensive manufacturing cost.

During construction, the existing vertical flood prevention wall for the urban river is firstly dismantled, the dismantling length is 30m-50m, the dismantling is performed by adopting an artificial air pick, the chiseling is performed near the interface of a new structure and an old structure by adopting the artificial air pick, the quality is strictly controlled during the chiseling, no chiseling and no over chiseling are performed, and all the dismantled waste residues are transported to a specified waste residue yard to be stacked so as to avoid environmental pollution. Then, earth excavation and backfilling are carried out, wherein the earth excavation is mainly carried out on the gate chamber foundation 18 and the retaining wall foundation 25, and 1.0m can be adopted³The backhoe excavator is matched with manual excavation, and in the foundation earthwork excavation process, attention should be paid to protection of peripheral pipelines, displacement detection should be enhanced, and safety of buildings and municipal facilities around the engineering is guaranteed; the earthwork backfill is mainly characterized in that earthwork backfill is conducted on a first retaining wall 15 and a second retaining wall 21, the earthwork backfill is conducted in a layered and segmented construction mode, backfill can be conducted after a wall body reaches a certain strength, backfill earthwork is transported to a working face by a 10t dump truck, a 59KW bulldozer pushes soil into a bin, a tamping machine modified by a back shovel is used for layered tamping, a settlement height is reserved, and backfill earthwork at the edge and the corner positions are manually layered and paved and are tamped by matching with a frog type tamping machine. And pouring the lock chamber 1 and the flood prevention retaining wall 2, covering the straw bale with water for watering and curing in time after the concrete is poured, keeping the surface of the concrete moist, and watering and curing for 2-3 weeks. Finally, the gate 14 is installed. Because the engineering scale is not large, the urban river flood prevention wall transformation system can basically complete transformation construction in a non-flood period, and the urban river flood prevention wall transformation system can be used for dry land construction without arranging a temporary cofferdam, so that the engineering construction is simple, convenient and quick, the engineering investment is greatly saved, the comprehensive cost is low, and the popularization prospect is great.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (9)

1. The urban river flood prevention wall transformation system is characterized by comprising a gate chamber (1) arranged between two sections of spaced flood prevention walls (3) and flood prevention retaining walls (2) positioned on two sides of the gate chamber (1), wherein the gate chamber (1) comprises gate piers (11), the gate piers (11) are provided with gate holes (12) for pedestrians to pass through the gate piers (11), the inner wall of each gate hole (12) is provided with a gate house (13), and the gate house (13) is internally provided with gates (14) which can move to the gate holes (12) and block the gate holes (12); the flood prevention retaining wall (2) is connected with the gate pier (11) and the flood prevention wall (3).

2. The system for reconstructing the flood prevention wall of the city river according to claim 1, further comprising a first retaining wall (15) arranged at the rear side of the gate pier (11) and a second retaining wall (21) arranged at the rear side of the flood prevention retaining wall (2), wherein a sunken platform (16) leading to the bottom of the door opening (12) is formed between the first retaining wall (15) and the gate pier (11) at intervals, a channel (22) leading to the sunken platform (16) is formed between the second retaining wall (21) and the flood prevention retaining wall (2) at intervals, and a descending step (23) connecting the top surface of the second retaining wall (21) and the sunken platform (16) is arranged in the channel (22).

3. The system for reconstructing the flood control wall of the city river according to claim 2, wherein the top surface of the first retaining wall (15) and the top surface of the second retaining wall (21) are flush with the wall rear floor (5).

4. The system for reconstructing the flood control wall of the city river according to claim 2, wherein a first weather corridor (17) is arranged between the top of the first retaining wall (15) and the top of the gate pier (11).

5. The system for reconstructing the flood prevention wall of the city river according to claim 2, wherein the gate piers (11) and the first retaining wall (15) are arranged on a gate chamber foundation (18), and the gate chamber foundation (18) is arranged on a first plain concrete cushion (19).

6. The system for reconstructing the flood prevention wall of the urban river according to claim 2, wherein a second weather corridor (24) is arranged between the top of the second flood prevention wall (21) and the top of the flood prevention retaining wall (2).

7. The system for reconstructing the flood prevention wall of the city river according to claim 2, wherein the flood prevention retaining wall (2) and the second retaining wall (21) are both arranged on a retaining wall foundation (25), and the retaining wall foundation (25) is arranged on a second plain concrete cushion (26).

8. The system for reconstructing the urban river flood prevention wall according to claim 1, wherein the flood prevention retaining wall (2) is an empty box type flood prevention retaining wall.

9. The system for reconstructing the flood prevention wall of the city river according to claim 1, wherein railings (6) are arranged at the front parts of the top surfaces of the gate piers (11) and the flood prevention retaining wall (2).

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