CN214940371U

CN214940371U - Hydraulic engineering combination retaining wall structure

Info

Publication number: CN214940371U
Application number: CN202121211752.4U
Authority: CN
Inventors: 潘庆武; 刘夫江; 王冬; 陈吉亮; 秦瑞生; 潘伟涛; 孙源
Original assignee: Shandong Linyi Water Conservancy Engineering General Co ltd
Current assignee: Shandong Linyi Water Conservancy Engineering General Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The embodiment of the utility model provides a relate to hydraulic engineering technical field, especially relate to a hydraulic engineering combination retaining wall structure for river course protection, including fish nest brick, rubble inverted filter and geogrid, adjacent stagger distribution between the fish nest brick, and whole 12 that are⁰Staggered platform distributes, geogrid equidistance distributes in fish nest brick one side, and is adjacent be provided with the second backfill soil layer between the geogrid, still be provided with the rubble between fish nest brick and the second backfill soil layer and reverse the filter bed, and the rubble reverse filter bed is located between the adjacent geogrid, still includes: concrete foundation and gabion layer. The utility model discloses a build the top on second backfill soil layer behind the fish nest brick with the gabion layer by laying bricks or stones, can increase the frictional force and the soil pressure of upper soil to the geogrid in the backfill soil to guarantee the tensile stress of the barricade of upper geogrid to the fish nest brick constitution, and the fish nest brick that is the wrong platform and distributes can play the stability of reinforcing wall body and provide the habitat for aquatic animals and plants.

Description

Hydraulic engineering combination retaining wall structure

Technical Field

The utility model relates to a hydraulic engineering technical field especially relates to a hydraulic engineering makes up retaining wall structure.

Background

In the process of hydraulic engineering construction, the river channel is usually protected by the brick retaining wall, and the main function is to form a retaining or water retaining structure body to avoid water and soil loss.

The existing construction process of the fish nest brick retaining wall has the defects that the friction force between the geogrid and the backfill soil in the upper backfill soil is small due to factors such as soil pressure, the fish nest brick wall body on the upper layer is easy to deform and distort, and the overall stability of the retaining wall is poor, so that a hydraulic engineering combined retaining wall structure is needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a shortcoming in order to solve among the prior art, and the retaining wall structure of a hydraulic engineering combination that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

hydraulic engineering combination retaining wall structure, including fish nest brick, rubble inverted filter and geotechnique's checkThe grids are distributed between the adjacent fish nest bricks in a staggered way, and the whole body is 12⁰Staggered platform distributes, geogrid equidistance distributes in fish nest brick one side, and is adjacent be provided with the second backfill soil layer between the geogrid, still be provided with the rubble between fish nest brick and the second backfill soil layer and reverse the filter bed, and the rubble reverse filter bed is located between the adjacent geogrid, still includes:

the concrete base is arranged at the bottoms of the fish nest bricks, the gravel reverse-filtering layer and the second backfill soil layer; and

and the gabion layer is arranged at the top of the second backfill soil layer.

As a further aspect of the present invention: the concrete base comprises a plain concrete layer and a concrete pile, the plain concrete layer is arranged at the bottom of the geogrid, and the concrete pile is arranged at the bottom of the fish nest brick.

As a further aspect of the present invention: anchoring holes are formed in the fish nest bricks, and adjacent fish nest bricks are connected through anchoring rods in the anchoring holes.

As a further aspect of the present invention: reverse filter geotechnological cloth is provided with between rubble reverse filter layer and the second backfill soil layer, and reverse filter geotechnological cloth is located between the adjacent geogrid, reverse filter geotechnological cloth is located second backfill soil layer one side and is the C style of calligraphy and lays.

As a further aspect of the present invention: the gabion layer comprises a first gabion and a second gabion, and the first gabion is located at the top of the second gabion.

As a further aspect of the present invention: and a first backfill soil layer is further arranged on one side of the gabion layer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of hydraulic engineering combination retaining wall structure, through building the top of second backfill layer behind the fish nest brick with the gabion layer by laying bricks or stones, can increase friction and the soil pressure of upper soil to the geogrid in the backfill soil, thereby guarantee the tensile stress of upper geogrid to the barricade that the fish nest brick constitutes, and the fish nest brick that is the wrong platform and distributes can play the stability of reinforcing wall body and provide habitat for aquatic animal and plant, simultaneously can strengthen the barricade and to the cushioning effect of soil pressure and play the refluence effect through the rubble refluence filter in the combination retaining wall.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a combined retaining wall structure for hydraulic engineering according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a first backfill soil layer 1, a first gabion 2, a second gabion 3, an anchoring rod 4, fish nest bricks 5, a reverse filtering geotextile 6, a geogrid 7, a plain concrete layer 8, a concrete pile 9, a broken stone reverse filtering layer 10 and a second backfill soil layer 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Reference will now be made in detail to implementations of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1, a hydraulic engineering combined retaining wall structure provided for an embodiment of the present invention includes fish bricks 5, a gravel reverse filter layer 10 and geogrids 7, the specific structure of the fish bricks 5 is not limited, in this embodiment, it is preferable that the fish bricks 5 are self-embedded special-shaped concrete fish bricks 5, which provide living space and environment for aquatic animals and plants, and also have the function of purifying water quality of a reservoir and resisting flood, the adjacent fish bricks 5 are distributed in a staggered manner and distributed in 12 degrees in a staggered manner, the geogrids 7 are distributed at equal intervals on one side of the fish bricks 5, a second backfill soil layer 11 is provided between the adjacent geogrids 7, a gravel reverse filter layer 10 is further provided between the fish bricks 5 and the second backfill soil layer 11, the specific material of the gravel reverse filter layer 10 is not limited, in this embodiment, it is preferable that the gravel reverse filter 10 is backfilled with 300mm wide graded gravel for the purpose of reinforcing the buffer effect of the retaining wall on the soil pressure and performing the reverse filtering, and the gravel reverse filter 10 is located between the adjacent geogrids 7, and further includes:

the concrete base is arranged at the bottoms of the fish nest bricks 5, the gravel reverse-filtering layer 10 and the second backfill soil layer 11; and

and the gabion layer is arranged on the top of the second backfill soil layer 11.

Through building the gabion layer in the top of second backfill soil layer 11 behind fish nest brick 5, can increase the frictional force and the soil pressure of upper soil to geogrid 7 in the backfill soil, thereby guarantee the tensile stress of the barricade that upper geogrid 7 constitutes to fish nest brick 5, and the fish nest brick 5 that is the wrong platform and distributes can play the stability of reinforcing wall body and provide habitat for aquatic animal and plant, can strengthen the barricade to the cushioning effect of soil pressure and play the refluence effect through rubble reversed filter layer 10 in the combination retaining wall simultaneously.

As an embodiment of the present invention, please refer to fig. 1 and fig. 2, the concrete base includes a plain concrete layer 8 and a concrete pile 9, the plain concrete layer 8 is disposed at the bottom of the geogrid 7, the concrete structure of the plain concrete is not limited, in this embodiment, preferably, the plain concrete layer 8 is C25 plain concrete with a cross-sectional dimension of 800 × 800mm, which can enhance the foundation stability and prevent uneven settlement, the concrete pile 9 is disposed at the bottom of the fish nest brick 5, the concrete structure of the concrete pile 9 is not limited, in this embodiment, preferably, the size of the concrete pile 9 is 100 × 100mm, which can prevent the retaining wall formed by the fish nest brick 5 of the lower layer from displacement or deformation.

As an embodiment of the utility model, please refer to fig. 1, anchor hole has been seted up on the fish nest brick 5, connects through anchor 4 in the anchor hole between the adjacent fish nest brick 5, and the concrete structure of anchor 4 does not restrict, and in this embodiment, preferred, anchor 4 adopts long 200mm, and diameter 10 mm's nylon stick is carried out anchor 4 between every two-layer fish nest brick 5 and is inserted, can guarantee wall body overall stability.

As an embodiment of the present invention, please refer to fig. 1 and 2, the reverse filtering geotextile 6 is arranged between the crushed stone reverse filtering layer 10 and the second backfill soil layer 11, and the reverse filtering geotextile 6 is arranged between the adjacent geogrids 7, the reverse filtering geotextile 6 is arranged on one side of the second backfill soil layer 11 and laid in a C shape, the specific size of the reverse filtering geotextile 6 is not limited, in this embodiment, preferably, the reverse filtering geotextile 6 is 6m long, 400mm wide from top to bottom, and laid in a C shape, so as to achieve the purpose of preventing soil from flowing into the reservoir.

As an embodiment of the present invention, please refer to fig. 1, the gabion layer includes first gabion 2 and second gabion 3, first gabion 2 is located the top of second gabion 3, the concrete material and the size of first gabion 2 and second gabion 3 are not restricted, in this embodiment, it is preferable that first gabion 2 and second gabion 3 all adopt bingo check net to make, and first gabion 2 and second gabion 3 are 1 × 1m and 1 × 1.5m respectively, double-layer bingo check net gabion retaining wall has been constituted, bingo check box bottom net piece and net body are about 90 ligature connection nature, can ensure that the ligature is firm, bingo check net gabion settles in backfill soil top in the combination, backfill soil gravity behind its dead weight and wall, can strengthen overall structure's stability.

As an embodiment of the present invention, please refer to fig. 1, one side of the gabion layer is further provided with a first backfill soil layer 1, the first backfill soil layer 1 can be matched with the gabion layer, and the stability of the overall structure can be enhanced by the self weight of the gabion layer and the gravity of the first backfill soil layer 1.

When in use, the friction force and the soil pressure of the upper soil layer to the geogrid 7 in the backfill soil can be increased by building the gabion layer above the second backfill soil layer 11 behind the fish nest bricks 5, so as to ensure the tensile stress of the upper geogrid 7 to the retaining wall formed by the fish nest bricks 5, the fish nest bricks 5 distributed in a staggered manner can enhance the stability of the wall and provide habitat for aquatic animals and plants, the anchoring rods 4 are inserted between every two layers of fish nest bricks 5 to ensure the integral stability of the wall, the foundation stability can be enhanced by the plain concrete layer 8 to prevent uneven settlement, the retaining wall formed by the fish nest bricks 5 at the lower layer can be prevented from displacement or deformation by the concrete piles 9, meanwhile, the buffering effect of the retaining wall on the soil pressure can be enhanced by the gravel reverse filter layer 10 in the combined retaining wall and the reverse filtering effect is achieved, the reverse filtering cloth 6 is also arranged between the gravel reverse filter layer 10 and the second backfill soil layer 11, and the soil is laid in a C shape, so that the purpose of preventing the soil from flowing into the reservoir can be achieved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications, improvements and substitutions can be made, which are all within the protection scope of the present technical solution.

Claims

1. The utility model provides a hydraulic engineering combination retaining wall structure, a serial communication port, including fish nest brick, rubble inverted filter and geogrid, adjacent stagger the distribution between the fish nest brick, and wholly be 12 degrees staggered platforms and distribute, geogrid equidistance distributes in fish nest brick one side, and is adjacent be provided with second backfill soil layer between the geogrid, still be provided with rubble inverted filter between fish nest brick and the second backfill soil layer, and rubble inverted filter is located between the adjacent geogrid, still includes:

the concrete base is arranged at the bottoms of the fish nest bricks, the gravel reverse-filtering layer and the second backfill soil layer; and the gabion layer is arranged at the top of the second backfill soil layer.

2. A hydraulic engineering combination retaining wall structure of claim 1, characterized in that, the concrete base includes plain concrete layer and concrete buttress, plain concrete layer sets up in the bottom of geogrid, concrete buttress sets up in the bottom of fish nest brick.

3. A water conservancy project combination retaining wall structure of claim 2, characterized in that anchor holes are opened on the fish nest bricks, and adjacent fish nest bricks are connected through anchor bars in the anchor holes.

4. A hydraulic engineering combination retaining wall structure according to claim 3, characterized in that is provided with between rubble reversed filter layer and the second backfill layer reversed filter geotechnological cloth, and reversed filter geotechnological cloth is located between adjacent geogrids, reversed filter geotechnological cloth is located second backfill layer one side and is the C style of calligraphy and lays.

5. A hydraulic engineering combination retaining wall structure of claim 4, characterized in that, the gabion layer includes first gabion and second gabion, first gabion is located the top of second gabion.

6. A hydraulic engineering combination retaining wall structure of claim 5, characterized in that one side of gabion layer is further provided with a first backfill layer.