CN219731866U - Seepage-proofing structure of river course - Google Patents

Abstract

The utility model discloses an anti-seepage structure of a river channel, which is laid on the river channel and is characterized by comprising an anti-seepage layer, a clay layer and a fixing layer, wherein the anti-seepage layer, the clay layer and the fixing layer are sequentially arranged from bottom to top, the lower surface of the fixing layer is provided with a bulge, and the bulge is immersed in the clay layer and is used for fixing the fixing layer on the clay layer. According to the utility model, the fixing layer is arranged on the clay layer, and the protrusions are arranged on the fixing layer and inserted into the clay layer, so that the stability of the seepage-proofing structure is improved, the problem that the seepage-proofing structure layers are not firmly connected to generate displacement and fall off is avoided, and the seepage-proofing structure has the characteristics of simple structure, low cost and easiness in operation.

Description

Seepage-proofing structure of river course

Technical Field

The utility model relates to the technical field of river pavement, in particular to an anti-seepage structure of a river.

Background

In order to pursue better seepage prevention effect, various seepage prevention modes are gradually combined to form a new composite seepage prevention structure in the prior art, such as a river seepage prevention structure (application number is CN 201821739428.8) which discloses a river seepage prevention structure, wherein the river seepage prevention structure comprises a river channel, seepage prevention cloth is paved in the river channel, a plurality of embedded sheets are arranged on the seepage prevention cloth, the surfaces of the embedded sheets are perpendicular to the surfaces of the seepage prevention cloth, a plurality of filling holes are formed by mutually splicing the embedded sheets, and asphalt blocks are fixed in the filling holes. In order to improve the structural strength of the anti-seepage structure, filling holes are formed by arranging pre-buried pieces on anti-seepage cloth, and asphalt is injected into the filling holes to form asphalt blocks. However, the technology has the problems that the anti-seepage cloth is made of flexible materials, the fixation of the embedded sheets on the anti-seepage cloth is difficult to realize, and even if the embedded sheets are paved on the anti-seepage cloth and the asphalt blocks are fixed in filling holes formed by the embedded sheets, the anti-seepage cloth is difficult to be fixed as a bottom layer, namely, the anti-seepage cloth at the bottom part is damaged if the asphalt blocks are formed by pouring; if the pre-set size is directly installed, the pre-construction cost is increased, meanwhile, the pre-buried piece and the asphalt block on the pre-buried piece cannot be well fixed, the pre-buried piece and the asphalt block can be shifted on the pre-buried piece and the asphalt block after long-term flood discharge, in the preferred scheme of the technology, the pre-buried piece and the asphalt block are also fixed through the balancing weight, then the pre-buried piece and the asphalt block are fixed in the pre-buried piece through the balancing weight Hong Shi, the pre-buried piece and the asphalt block are difficult to fix on the pre-buried piece under strong water flow impulse by means of self gravity and structural strength, and also can relatively slide or even separate, so that a good anti-seepage effect cannot be achieved.

Disclosure of Invention

The utility model mainly aims to provide an anti-seepage structure of a river channel, which solves the problems that the connection between anti-seepage structure layers is not tight enough and mutual separation is possible to occur in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a seepage prevention structure of river course, seepage prevention structure lays on the river course, its characterized in that, seepage prevention structure includes barrier layer, clay layer, the fixed layer of establishing from bottom to top in proper order, be provided with the arch on the lower surface of fixed layer, the arch is submerged in the clay layer is used for with the fixed layer is fixed on the clay layer.

As a further improvement of the utility model, the upper surface of the fixed layer is provided with a surrounding baffle and a plurality of bulges, the surrounding baffle is arranged along the edge of the fixed layer, the bulges adjacent to the upper surface of the fixed layer form a plurality of grooves, and the grooves are filled with fillers.

As a further improvement of the utility model, the protrusions on the upper surface are a plurality of baffle members which are perpendicular to the upper surface of the fixed layer and are arranged at equal intervals by a preset distance, and each baffle member comprises at least three baffle plates which are centrosymmetric.

As a further improvement of the utility model, the two sides of the bottom of the river channel are respectively provided with a ditch lower than the bottom of the river channel, and the two ends of the fixed layer extend downwards and are embedded in the ditches.

As a further improvement of the utility model, the impermeable layer comprises at least two layers of impermeable cloth and structural strips, wherein the two layers of impermeable cloth are arranged at intervals to form a filling cavity, and the structural strips are arranged in the filling cavity, so that the impermeable layer forms an uneven surface to increase the friction force between the impermeable layer and the clay layer.

As a further improvement of the utility model, the two sides of the river channel are provided with the concave for placing the edge of the seepage-proofing structure, and the concave is filled with sand.

According to the utility model, the seepage prevention effect is realized by sequentially arranging the seepage prevention layer, the clay layer and the fixing layer from bottom to top, the fixing layer can be firmly paved on the clay layer by arranging the fixing layer and arranging the protrusions on the fixing layer, the fixing layer and the clay layer can be tightly connected while seepage prevention during flood discharge, and displacement caused by larger water flow impulse force is avoided.

Drawings

FIG. 1 is an overall cross-sectional view of an impermeable structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lower surface of the fixing layer according to the present utility model;

FIG. 3 is a schematic view of an embodiment of the upper surface of the anchoring layer according to the present utility model;

FIG. 4 is a schematic view of another embodiment of the upper surface of the anchoring layer according to the present utility model;

FIG. 5 is a schematic view of an embodiment of the fixing method of the fixing layer of the present utility model;

FIG. 6 is a schematic structural view of one embodiment of the barrier layer of the present utility model;

FIG. 7 is a schematic view of the structure of the recess of the present utility model;

description of sequence number: 1. an impermeable layer; 11. an impermeable cloth; 12. a structural bar; 2. a clay layer; 3. a fixed layer; 31. a protrusion; 32. a surrounding baffle; 311. a baffle; 312. a groove; 313. a spacer; 4. river course; 41. a trench; 42. and (5) recessing.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 shows an embodiment of the seepage-proofing structure of the river channel 4 according to the present utility model, referring to fig. 1, in this embodiment, the seepage-proofing structure is laid on the river channel 4, and includes a seepage-proofing layer 1, a clay layer 2 and a fixing layer 3 sequentially laid from bottom to top. Wherein, referring to fig. 2, the lower surfaces of the fixing layers 3 are each provided with a plurality of protrusions 31, the protrusions 31 being submerged into the clay layer 2 for fixing the fixing layers 3 on the clay layer 2.

Preferably, the length of the protrusions 31 is greater than one-half of the predetermined thickness of the clay layer 2 and less than the predetermined thickness of the clay layer 2.

Preferably, the fixing layer 3 can be prefabricated and formed according to the size, length, gradient and the like of the river channel 4 and made of hard materials, such as concrete or other materials with plasticity.

Specifically, the seepage-proofing structure is paved from the bottom and two sides of the river channel 4 in sequence from bottom to top when being applied, namely, firstly, the bottom and two sides of the river channel 4 are leveled, then the seepage-proofing layer 1 is paved and extends to the two sides of the river channel 4, after clay is paved on the seepage-proofing layer 1 and tamped to form a clay layer 2, a fixing layer 3 is paved on the clay layer 2 and is firmly fixed through a bulge 31 on the lower surface of the fixing layer 3, so that the seepage-proofing structure taking the fixing layer 3 as the topmost seepage-proofing structure layer is formed, the clay layer 2 is arranged in the middle, and the seepage-proofing structure with the seepage-proofing layer 1 is arranged at the bottom.

Preferably, the thickness of the clay layer 2 may be between.

Preferably, sand is added to the clay layer 2 during the laying of the clay layer 2 and rammed to enhance the structural strength of the clay layer 2.

Preferably, the ratio of sand to clay is 1:5.

in this embodiment, the seepage-proofing layer 1, the clay layer 2 and the fixed layer 3 are arranged on the layers, the protrusion 31 is arranged on the lower surface of the fixed layer 3, the protrusion 31 is immersed in the clay layer 2 to play the effect that the fixed layer 3 is stably arranged on the clay layer 2, and the problems that in the prior art, the seepage-proofing cloth 11 is unstable in connection with other adjacent seepage-proofing structure layers and is easy to shift and fall off are solved.

For stabilizing the structure of the fixing layer 3 and obtaining a better anti-seepage effect, on the basis of the above embodiment, the upper surface of the fixing layer 3 is provided with a surrounding baffle 32 and a plurality of protrusions 31, the surrounding baffle 32 is arranged along the edge of the fixing layer 3, the protrusions 31 adjacent to the upper surface of the fixing layer 3 form a plurality of grooves 312, and the grooves 312 are filled with fillers.

Further, the protrusions 31 on the upper surface are a plurality of spacers perpendicular to the upper surface of the fixing layer 3 and disposed at the same predetermined distance, and each spacer includes at least three centrally symmetrical spacers 311.

Specifically, referring to fig. 3, the protrusions 31 on the upper surface of the fixing layer 3 are uniformly arranged baffle members, each baffle member comprises four baffle plates 311 with central symmetry, each baffle plate 311 on each baffle member and another baffle plate 311 on the adjacent baffle member form a plurality of grooves 312 together, and the grooves 312 are filled with fillers to form a layer with stable structure and seepage prevention effect on the upper surface of the fixing layer 3.

It should be noted that, in fig. 3, for example, the number of the baffle plates 311 is four, and the formed grooves 312 are also more intuitive, but the number and the manner of the baffle plates 311 are not limited, for example, the number of the baffle plates 311 can be at least 3 to form a Y shape, and the grooves 312 can be formed with the adjacent baffle plates 311; the baffle 311 is not necessarily disposed in a cuboid shape as shown in the drawings, but may be disposed in other common shapes or irregular shapes for realizing different structural strength, and is only shown in the simplest form.

Further, the side flaps 311 forming the grooves 312 are not connected but spaced apart (see fig. 3), which is different from the embodiment shown in fig. 4, in order to interconnect and communicate the filler in each groove 312 when filling the grooves 312 with fluid, thereby forming a whole, and the barrier member may act as a rib in the whole filler, enhancing the structural strength of the upper surface of the fixing layer 3.

Preferably, referring to fig. 4, the baffle 311 on each baffle is formed as one spacer 313 with the baffle 311 on the adjacent baffle, that is, each baffle is connected by the baffle 311 and forms a plurality of closed grooves 312, the edge of the fixed layer 3 is provided with a surrounding baffle 32 higher than the baffle, and when the upper surface of the fixed layer 3 is filled, a coplanar surface can be formed above the baffle, which is beneficial to enhancing the structural stability of the fixed layer 3.

Preferably, the filler filling the groove 312 may be concrete, asphalt, mortar, or the like, which may form a fixed structure.

Preferably, when filling the upper surface of the fixed layer 3, a temporary cover plate or cover film can be covered on the fixed layer 3, and then the filling materials can be filled from two sides of the river channel 4. Because the two sides of the river channel 4 are slopes, if the inclination angle is too large during filling, the filler easily falls out to the bottom of the river channel 4, so that the fixed layers 3 on the two sides of the river channel 4 are unevenly filled, and the structural strength is affected. By utilizing the characteristic that the enclosing block 32 on the fixed layer 3 is higher than the baffle piece, the enclosing block 32 can be used as a support to cover a layer of temporary sealing cover on the upper surface of the fixed layer 3 for filling, so that the problem of uneven filling can be avoided, and the temporary sealing cover is removed after the filler is formed.

In order to firmly and tightly connect the impermeable layer 1 with the clay layer 2 and the fixed layer 3 thereon in the present utility model, on the basis of the above embodiment, referring to fig. 5, two sides of the bottom of the river channel 4 are respectively provided with a trench 41 lower than the bottom of the river channel 4, and two ends of the fixed layer 3 extend downward and are embedded in the trench 41.

Specifically, the impermeable layer 1, the clay layer 2 and the fixed layer 3 are paved from the bottom of the river channel 4 to two sides of the river channel 4, wherein the impermeable layer 1 and the clay layer 2 are continuously paved on the bottom of the river channel 4, the two sides of the ditch 41 and the river channel 4, the two ends of the fixed layer 3 are embedded into the ditch 41, and the impermeable layer 1 and the clay layer 2 are compacted by means of the gravity compaction of the fixed layer 3.

Preferably, the bottoms of both ends of the anchor layer 3 embedded in the trench 41 are also provided with the protrusions 31 (not shown) in the foregoing embodiment, and the protrusions 31 are immersed in the clay layer 2.

In order to make the connection between the impermeable layer 1 and the clay layer 2 tight and firm in the utility model, on the basis of the embodiment, the impermeable layer 1 comprises at least two impermeable cloths 11 and structural strips 12, the impermeable cloths 11 are arranged at intervals to form a filling cavity, and the structural strips 12 are arranged in the filling cavity, so that the impermeable layer 1 forms an uneven surface to increase the friction force with the clay layer 2.

Specifically, the impermeable layer 1 is positioned at the lowest layer and is directly contacted with the clay layer 2, so that the friction force of the clay layer 2 on the impermeable layer 1 is not reduced due to damp while the impermeable effect of the impermeable layer 1 is realized, and the structure of the impermeable layer 1 is improved to avoid the problems. Here, referring to fig. 6, the impermeable layer 1 includes two impermeable cloths 11, where the two impermeable cloths 11 are spaced by a predetermined distance and are combined into one layer at the edge, and a cavity, i.e. a filling cavity, is provided therein, and a structural strip 12 is provided in the filling cavity, so that the surface of the impermeable layer 1 is uneven, and the clay layer 2 is covered on the uneven surface of the impermeable layer 1 to increase the friction between the impermeable layer 1 and the clay layer 2, so that the contact between the impermeable layer 1 and the clay layer 2 is tighter.

Preferably, the structural strips 12 are provided in a plurality and staggered to form a net-like structure.

Preferably, both sides of the barrier layer 1 are formed with uneven surfaces by the strips 12.

Preferably, the impermeable cloth 11 is a reverse filtering geotextile and the filling cavity can be filled with fine sand.

In order to make the whole structure of the seepage-proofing structure of the present utility model stable, and to withstand the impact or pressure during flood discharge without risk of separation from the river channel 4, on the basis of the above embodiment, referring to fig. 7, recesses 42 for placing edges of the seepage-proofing structure are provided on both sides of the river channel 4, and the recesses 42 are filled with sand.

Through set up sunken 42 in river course 4 both sides, lay into sunken 42 and fill with the grit with the seepage prevention structure along the edge of river course 4 both sides, can be with seepage prevention structure wholly be fixed in on the river course 4, avoid seepage prevention structure because of the too big damage of impulsive force when flood discharge. The embodiments of the utility model have been described in detail above, but they are merely examples, and the utility model is not limited to the above-described embodiments. It will be apparent to those skilled in the art that any equivalent modifications or substitutions to this utility model are within the scope of the utility model, and therefore, all equivalent changes and modifications, improvements, etc. that do not depart from the spirit and scope of the principles of the utility model are intended to be covered by this utility model.

Claims (6)

1. The utility model provides a seepage prevention structure of river course, seepage prevention structure lays on the river course, its characterized in that, seepage prevention structure includes barrier layer, clay layer, the fixed layer of establishing from bottom to top in proper order, be provided with the arch on the lower surface of fixed layer, the arch is submerged in the clay layer is used for with the fixed layer is fixed on the clay layer.

2. The impermeable structure of claim 1, wherein the upper surface of the fixed layer is provided with a fence and a plurality of protrusions, the fence is arranged along the edge of the fixed layer, the protrusions adjacent to the upper surface of the fixed layer form a plurality of grooves, and the grooves are filled with filler.

3. The barrier structure of claim 2, wherein the protrusions of the upper surface are a plurality of barrier members disposed at equal intervals by a predetermined distance perpendicular to the upper surface of the fixed layer, each barrier member including at least three centrally symmetrical barrier pieces.

4. The impermeable structure of claim 1, wherein two sides of the bottom of the river are respectively provided with a trench lower than the bottom of the river, and two ends of the fixing layer extend downwards and are embedded in the trenches.

5. The impermeable structure of claim 1, wherein said impermeable layer comprises at least two layers of impermeable cloth spaced apart to form a fill cavity, and a structural strip disposed within said fill cavity to provide said impermeable layer with an uneven surface to increase friction with said clay layer.

6. The impermeable structure of claim 1, wherein two sides of the river channel are provided with recesses for placing edges of said impermeable structure, said recesses being filled with sand.