CN210887107U - Flexible anchoring frame and ecological bank protection structure thereof - Google Patents
Flexible anchoring frame and ecological bank protection structure thereof Download PDFInfo
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- CN210887107U CN210887107U CN201921455927.9U CN201921455927U CN210887107U CN 210887107 U CN210887107 U CN 210887107U CN 201921455927 U CN201921455927 U CN 201921455927U CN 210887107 U CN210887107 U CN 210887107U
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Abstract
The utility model provides a flexible anchoring frame, it includes: the first anchoring component comprises a plurality of layers of side anchors which are inserted into the river channel soil body in a stacking manner along the ascending direction of the river channel; the second anchoring component comprises a plurality of rows of ground anchors which are inserted into the river channel soil body side by side along the extending direction of the river channel; and the connecting assembly and the side anchor and/or the ground anchor form an anchoring frame, and the non-inserted ends of the side anchor and the ground anchor are respectively and fixedly connected to the connecting assembly. By arranging the side anchors and the ground anchors and connecting and fixing the side anchors and the ground anchors, the side anchors are distributed layer by layer along the ascending direction of the river channel, and the ground anchors are distributed in parallel along the extending direction of the river channel, so that the anchoring frame is uniformly fixed; meanwhile, the anchoring in different directions is realized; the connection of the connecting components is integrated, so that the stability of the supporting strength of the anchoring frame is realized.
Description
Technical Field
The utility model relates to a river course protection technical field, concretely relates to flexible anchor frame and ecological bank protection structure thereof.
Background
River channels are commonly used for flood control, flood drainage, shipping, irrigation and the like, but the river channels also have considerable ecological functions, for example, only the safety and durability of engineering structures are considered in the design of water conservancy projects, but the influence of artificial structures on organisms and ecological environments is ignored, so that the ecological functions of the river channels are easily damaged, the water quality is deteriorated, the habitat is lost or blocked, species are reduced, and the like, and the degradation of river ecological systems is caused. Therefore, the bank protection technology is gradually recognized and popularized.
And the common revetment in the prior art is mainly applied to the part with limited floor space width or steep bank slope. And traditional retaining wall mainly uses concrete, grout stone structure as the main, adopts gravity type more, relies on self gravity and base frictional force to satisfy the stable requirement of antiskid, anti inclining. In recent years, with the introduction of the ecological bank protection concept, the straight-wall type slope protection mostly adopts a permeable structure, and at present, the common self-embedded retaining wall, wood frame retaining wall or gabion is adopted.
The self-embedding retaining wall is formed by connecting self-embedding block bodies and filling soil through geogrids, the wall is provided with planting holes and other structures which can plant aquatic plants and provide places for fish to lay eggs and take refuge, but the wall material still mainly adopts concrete materials, and the wall body with the flexible structure has low strength and is limited by a certain height.
The wood frame retaining wall is a box-shaped structure formed by mutually staggering untreated logs, gravels and soil are filled in the box-shaped structure, and living branches are inserted in the box-shaped structure to form the gravity type retaining wall structure, but the wood price is higher, the materials are inconvenient to obtain, and the construction requirement is higher.
The gabion is also of a gravity type vertical wall structure, but because the wall body is mainly made of pebble block stones, even if the front and rear water bodies of the wall body can be communicated, the surface of the wall body is difficult to form an integral vegetation cover layer, and the gabion is not greatly different from the traditional gravity type retaining wall in an ecological angle. Although the frame body with the round wood as the main structure has great advantages in stability and ecological property, the round wood as a building material is high in acquisition cost and causes large amount of felling of wood; in addition, the gabion and the self-embedded retaining wall protection slope are generally difficult to obtain in the aspects of meeting the requirements of wall stability, ecological protection, repairability and the like, and have a certain blocking effect on a water bank slope ecological system.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the revetment among the prior art at the defect that stability, ecological protection, repairability, manufacturing cost etc. are difficult to compromise to provide a flexible anchor frame and ecological revetment structure with low costs, ecological protection and repairability are good, stability is high.
Therefore, the technical scheme of the utility model is as follows:
a flexible anchoring frame, comprising:
the first anchoring component comprises a plurality of layers of side anchors which are inserted into the river channel soil body in a stacking manner along the ascending direction of the river channel;
the second anchoring component comprises a plurality of rows of ground anchors which are inserted into the river channel soil body side by side along the extending direction of the river channel;
and the connecting assembly and the side anchor and/or the ground anchor form an anchoring frame, and the non-inserted ends of the side anchor and the ground anchor are respectively and fixedly connected to the connecting assembly.
Furthermore, the connecting assembly comprises a plurality of connecting rods which are arranged in parallel at intervals; the side anchor with the earth anchor is the stock, wherein the side anchor passes through mounting and a plurality of with the non-inserted end of earth anchor pole connecting rod fixed connection is as an organic whole.
Further, the connecting rod is located adjacent layer along the river course direction of rising interval between the side stock, the side stock with the earth anchor pole respectively with the axis of connecting rod sets up perpendicularly, just the earth anchor pole is not parallel to the side stock.
Furthermore, a plurality of connecting rods form a slope surface support, and the slope surface support is inclined or vertical relative to the horizontal plane.
Further, the side anchors of adjacent layers are staggered.
Further, the non-inserted end of the ground anchor rod is fixedly connected with the connecting rod at the bottom; or the non-inserted end of the ground anchor rod is fixedly connected with all the connecting rods.
Further, the side anchor rods, the ground anchor rods and the connecting rods are all bamboo rods.
An ecological revetment structure comprising:
a bank slope protection structure comprising a flexible anchoring frame as described in any of the above; wherein the first anchoring assembly and the second anchoring assembly are inserted into the bank slope soil body.
Furthermore, the anchoring frame positioned at the bottom of the bank slope protection structure is filled with stones and pebbles.
Furthermore, the non-inserted part and the top of the anchoring frame of the bank slope protection structure are filled with soil, and branches are inserted in layers on the bank slope surface formed after filling; and a surface vegetation layer is arranged on the top surface of the bank slope formed after filling, or bamboo forests are planted on the top surface of the bank slope formed after filling.
Further, the embankment protection structure comprises a flexible anchoring frame according to any one of the above items, wherein the first anchoring assembly and the second anchoring assembly are inserted into a bank slope soil body.
Further, the hollow opening sections of the side anchor rods of the dike foot protection structure form fish nests.
Further, the anchoring frame at the bottom of the dike foot protection structure is filled with stones and pebbles.
Further, the non-inserted part and the top of the anchoring frame of the dyke foot protection structure are filled and covered with soil, and a surface layer vegetation layer is arranged on the top surface of the dyke foot formed after filling.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a flexible anchoring frame, it includes:
the first anchoring component comprises a plurality of layers of side anchors which are inserted into the river channel soil body in a stacking manner along the ascending direction of the river channel; the second anchoring component comprises a plurality of rows of ground anchors which are inserted into the river channel soil body side by side along the extending direction of the river channel; and the connecting assembly and the side anchor and/or the ground anchor form an anchoring frame, and the non-inserted ends of the side anchor and the ground anchor are respectively and fixedly connected to the connecting assembly.
By arranging the side anchors and the ground anchors and connecting and fixing the side anchors and the ground anchors, the side anchors are distributed layer by layer along the ascending direction of the river channel, and the ground anchors are distributed in parallel along the extending direction of the river channel, so that the uniform fixation of a consolidated anchoring frame is realized; meanwhile, the anchoring in different directions is realized; connect as an organic whole through coupling assembling, realized consolidating the stability of the support intensity of anchor frame.
2. The utility model provides a flexible anchoring frame, the connecting component comprises a plurality of connecting rods which are arranged in parallel at intervals; the side anchor and the ground anchor are anchor rods, wherein the non-inserted ends of the side anchor rods and the ground anchor rods are fixedly connected with the connecting rods into a whole through fixing pieces; furthermore, the connecting rods are arranged between the side anchor rods of adjacent layers at intervals along the ascending direction of the river channel, the side anchor rods and the ground anchor rods are respectively arranged perpendicular to the axis of the connecting rods, and the ground anchor rods are not parallel to the side anchor rods; wherein the side anchor rods, the ground anchor rods and the connecting rods are all bamboo rods.
Through side stock and the earth anchor pole that sets up the equidirectional, side stock and earth anchor pole are along equidirectional evenly distributed, are favorable to the homogeneity of anchor to as an organic whole through connecting rod fixed connection, be favorable to the stable connection of anchor frame, the bamboo pole is compared with timber, and the bamboo timber price is lower relatively, easily draws materials on the spot, has reduced manufacturing cost.
3. The utility model provides a flexible anchoring frame, it is a plurality of the connecting rod constitutes domatic support, domatic support is for horizontal plane slope or perpendicular. The slope supports with different angles are arranged so that the river channel support can be applied to river channels with different structures.
4. The utility model provides an ecological bank protection structure. The flexible anchoring frame comprises all the advantages of the flexible anchoring frame.
In addition, the ecological bank protection not only meets the requirements of bank slope stability and water permeability, but also increases the biological habitat function of the wall body, and the soil wall formed by the bamboo frame retaining type anchoring frame belongs to a flexible structure and can be well deformed in response to earthquakes or slope settlement; the slope protection technology combining the frame type permeable dike foot protection structure and the plant community has two functions of river dike foot protection, water ecological environment protection and restoration.
5. The utility model provides an ecological bank protection structure is located bottom or well lower part through at bank slope protective structure or dyke foot protective structure the anchor frame intussuseption is filled with stone and cobble in order to realize the ballast to the frame.
6. The ecological bank protection structure provided by the utility model has the advantages that branches are inserted in layers on the bank slope surface formed after filling through the non-inserted part filling and the top of the anchoring frame of the bank slope protection structure and covering with soil; and a surface vegetation layer is arranged on the top surface of the bank slope formed after filling, or bamboo forests are planted on the top surface of the bank slope formed after filling.
Branches are cut on the bank slope surface formed after filling in a layered mode, and the slope body strengthening effect can be improved after the branches survive; wherein because the bamboo root is horizontal root system, can extend to the bank protection surface, through planting the bamboo forest or then the vegetable layer has the effect that prevent wind and consolidate soil and reduce domatic soil erosion, prevent soil erosion.
7. The utility model provides an ecological bank protection structure, through at dyke foot protective structure the hollow opening section of side stock constitutes the fish hive. The hollow section of the reserved part can be used as a fish nest and a place for breeding and refuge of fishes or other aquatic animals, and the structural clearance can also provide a living place for aquatic organisms, so that the diversity of the biological community is improved.
8. The utility model provides an ecological bank protection structure, through at dyke foot protective structure bottom or well lower part the anchor frame intussuseption is filled with stone and cobble in order to realize the ballast to the frame.
9. The utility model provides an ecological embankment structure fills and covers through the non-insertion portion and the top at dyke foot protective structure's anchor frame and has earth, and the dyke foot top surface that forms after filling is equipped with top layer vegetable layer. The strength of the retaining wall at the initial stage is supported by the frame structure, and after a period of time, the root system formed by the development of the plant branches inside the structure can play a role in bank slope protection together.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a river of the present invention;
FIG. 2 is a side view of the bank slope protection structure shown in FIG. 1;
fig. 3 is a side view of the dike foot guard structure shown in fig. 1.
Description of reference numerals:
1-bank slope; 11-bank slope soil body; 12-bank slope surface; 13-top surface of bank slope; 2-a first anchoring assembly; 21-side anchor rod; 3-a second anchoring assembly; 31-ground anchor rod; 4-river channel subslot; 5-dike feet; 51-dike foot soil; 52-dike foot sides; 53-top of dyke feet; 61-a connecting rod; 62-a fixing member; 7-stones and pebbles; 8-bamboo forest; 9-vegetation layer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," "second," and "third" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
Fig. 1 is a schematic cross-sectional view of a river channel, wherein the river channel comprises a bank slope 1 and a channel sub-groove 4, an embankment foot 5 is formed between the bank slope 1 and the channel sub-groove 4, and river water flows in the channel sub-groove 4.
As shown in fig. 2, the embodiment 1 of the utility model provides an ecological bank protection structure has been recorded, and it includes bank slope protective structure, and wherein bank slope protective structure locates on the bank slope 1, it includes flexible anchor frame for consolidate and maintain bank slope 1.
The utility model discloses a flexible anchor frame for bank slope of embodiment 1, including first anchor subassembly 2, second anchor subassembly 3 and coupling assembling, wherein first anchor subassembly 2 includes the side anchor that a plurality of layers set up along the river course direction of rising, the side anchor is range upon range of and inserts in the bank slope soil body 11; the second anchoring component 3 comprises a plurality of rows of ground anchors arranged along the extending direction of the river channel, and the ground anchors are inserted into the bank slope soil body 11 side by side; the non-inserted ends of the side anchor and the ground anchor are respectively fixedly connected to the connecting assembly.
As shown in fig. 1 or 2, the connecting assembly includes a plurality of connecting rods 61 arranged in parallel, and the connecting rods 61 are arranged horizontally at intervals; the side anchors and the ground anchors are anchor rods, the connecting rods 61 are arranged between the side anchor rods 21 of adjacent layers at intervals along the ascending direction of a river course, the non-inserted ends of the side anchor rods 21 and the ground anchor rods 31 and a plurality of the connecting rods 61 are fixedly connected into a whole through fixing pieces 62, and the connecting rods 61 and the side anchor rods 21 jointly form an anchoring frame of the bank slope 1 or a filling frame. The fixing member 62 may be a rope, a wire, a rivet, etc. for binding or fixedly connecting the connecting rod 61 with the adjacent side anchor 21 and the ground anchor 31.
Wherein a plurality of the connecting rods 61 form a slope support, as shown in fig. 1, the slope support forming the bank slope 1 in the embodiment 1 is arranged obliquely relative to the horizontal plane, that is, the bank slope 1 is formed into a slope; of course, the slope surface support can also be vertically arranged relative to the horizontal plane, and the bank slope 1 is formed into a vertical slope surface.
As shown in fig. 1, the side anchor 21 is disposed perpendicular to the axis of the connecting rod 61, and the ground anchor 31 is also disposed perpendicular to the axis of the connecting rod 61, but the ground anchor 31 is not parallel to the side anchor 21. Referring to fig. 1, the ground anchor rod 31 and the side anchor rod 21 are driven into the bank slope soil body 11 in different directions in the cross section of the river; wherein the side anchor rods 61 can be perpendicular to the outer surface of the bank slope soil 11, the ground anchor rods 31 can be inserted into the bank slope soil 11 along the direction perpendicular to the side anchor rods 21, and the side anchor rods 21 and the ground anchor rods 31 are not limited to the two directions.
Wherein see fig. 1, the utility model discloses embodiment 1's side stock 21 sets up with connecting rod 61 interval in proper order, sets up one deck connecting rod 61 on one deck side stock 21 promptly, sets up one deck side stock 21 again on the one deck connecting rod 61, so superposes, and wherein the same layer includes two at least side stocks, and the same layer is equipped with a connecting rod 61, and of course quantity is also not limited to above-mentioned mode of setting up yet. Wherein the side anchor rods 21 are crossed and fixedly connected with the connecting rod 61; the ground anchor rod 31 is arranged at the bottommost layer of the anchoring frame, namely, the non-inserted end of the ground anchor rod 31 is crossed with and fixedly connected with the connecting rod 61 at the bottommost layer; which is inserted into the bank slope soil body 11 to form a certain anchoring depth to ensure the tight combination of the anchoring frame and the bank slope 1. Referring to fig. 2, in order to achieve better bonding effect and more uniform bonding strength, the side bolts 21 of adjacent layers may be arranged in a staggered manner in the horizontal direction. Of course, it is also possible to provide the anchor rods 31 with a longer exposed length at the non-inserted end, so that they are fixedly connected to the connecting rods 61 of all or most of the layers. The side anchor rods 21, the ground anchor rods 31 and the connecting rods 61 in this embodiment are all made of bamboo rods subjected to corrosion prevention treatment. Compared with wood, the bamboo has relatively low price, is easy to use local materials, and reduces the manufacturing cost.
The anchor frame located at the bottom or the middle lower part is filled with stones and pebbles 7 to realize weight reduction on the frame, the non-inserted part and the top of the anchor frame are filled with soil, branches are inserted in layers on a bank slope surface 12 formed after filling, and the reinforcing effect of the slope body can be improved after the branches survive. And a surface vegetation layer 9 or a bamboo forest 8 is planted on the top surface 13 of the filled bank slope. Wherein because the bamboo root is horizontal root system, can extend to the bank protection surface, through planting bamboo forest 8 or then vegetable layer 9 has the effect of preventing wind and consolidating soil and reducing domatic soil erosion, prevent soil erosion.
The embodiment 1 of the utility model adopts the natural bamboo poles to construct the gravity type retaining wall, thereby not only meeting the requirements of bank slope stability and water permeability, but also increasing the biological habitat function of the wall body, and the soil wall formed by the bamboo frame retaining type anchoring frame belongs to a flexible structure, and can be well deformed in response to earthquakes or side slope settlement; the strength of the retaining wall at the initial stage is supported by the frame structure, and after a period of time, the root system formed by the development of the plant branches inside the structure can play a role in bank slope protection together. The slope protection technology combining the frame type permeable bank slope protection structure and the plant community has the functions of river bank slope protection, aquatic habitat protection and restoration.
The bank slope protection structure in this embodiment 1 is implemented as follows:
s1: firstly, excavating a slope toe according to the preset depth and width of a foundation, wherein the excavating depth is 0.5-1.2 m;
s2: then, the end parts of the side anchor rods 21 are sharpened, the first layer side anchor rods 21 are inserted into the bank slope soil body, wherein the distance between the side anchor rods 21 on the same layer is 2.0m-3.0m, the side anchor rods 21 on the upper layer and the lower layer are arranged in a staggered mode, and the length of the side anchor rods 21 inserted into the soil body is not less than 1.2 times of the height of the bank protection and not less than 2.5 m;
s3: secondly, the connecting rod 61 is placed on the exposed end part of the first layer side anchor rod 21 in parallel to the surface of the bank slope, and the connecting rod 61 is fixedly connected with the side anchor rod 21 by the fixing piece 62;
s4: building the upper layer side anchor rod and the connecting rod once according to the procedures of the steps S1 and S2 until the design height is reached;
s5: the end part of the ground anchor rod 31 is sharpened, the ground anchor rod 31 is driven into a row of ground anchor rods 31 at the position of the connecting rod 61 at the bottommost layer and close to the connecting rod 61, the ground anchor rod 31 is fixedly connected with the connecting rod 61 through a fixing piece 62, and the ground anchor rod 31 is inserted into the soil body of the bank slope to form a certain anchoring depth, so that the tight combination of a consolidated anchoring frame and the bank slope 1 is ensured;
s6: filling stones or pebbles at the bottom layer of the anchoring frame to realize weight reduction;
s7: filling soil bodies in the non-inserted parts and the tops of the anchoring frames;
s8: finally, branches are inserted in layers on the bank slope surface 12 formed after filling, and a protective vegetation layer 9 or a bamboo forest 8 is planted on the bank slope top surface 13 formed after filling.
The construction process of the embodiment is simple, the damage and disturbance to the environment of the biological habitat are small, and large-scale earth and stone excavation and stone allocation are not needed; and the occupied area is small, the large-area excavation of the working surface is not needed, the manpower is reduced, and the cost is reduced.
The embodiment 1 of the utility model adopts the natural bamboo poles to construct the gravity type retaining wall, thereby not only meeting the requirements of bank slope stability and water permeability, but also increasing the biological habitat function of the wall body, and the soil wall formed by the bamboo frame retaining type anchoring frame belongs to a flexible structure, and can be well deformed in response to earthquakes or side slope settlement; the strength of the retaining wall at the initial stage is supported by the frame structure, and after a period of time, the root system formed by the development of the plant branches in the structure can play a role of bank slope protection together; and the integral landscape is better, and a natural revetment can be formed.
Example 2
The embodiment 2 of the utility model provides an ecological bank protection structure has been recorded, it includes bank slope protective structure, and wherein bank slope protective structure locates on the bank slope 1, it includes flexible anchor frame for consolidate and maintain bank slope 1. The bank slope protection structure is the same as that in embodiment 1, and is not described herein.
In this embodiment 2, a bank slope protection structure and a dike foot protection structure are further provided. As shown in fig. 1 and 3, the dike foot protection structure of embodiment 2 of the present invention is disposed on the dike foot 5, and includes a flexible anchoring frame for consolidating and maintaining the dike foot 5. As shown in fig. 3, the dike foot protection structure in this embodiment 2 is disposed at the edge of the dike foot 5 near water, and includes a first anchoring component 2, a second anchoring component 3 and a connecting component, wherein the first anchoring component 2 includes a plurality of layers of side anchors disposed along the ascending direction of the river, and the side anchors are inserted into the dike foot soil 51 in a stacked manner; the second anchoring component 3 comprises a plurality of rows of ground anchors arranged along the extending direction of the river course, and the ground anchors are inserted into the soil body 51 of the dike foot side by side; the non-inserted ends of the side anchor and the ground anchor are respectively fixedly connected to the connecting assembly.
As shown in fig. 1 or 3, the connecting assembly includes a plurality of connecting rods 61 arranged in parallel, and the connecting rods 61 are arranged horizontally at intervals; the side anchor and the ground anchor are anchor rods, wherein the non-inserted ends of the side anchor rods 21 and the ground anchor rods 31 and a plurality of the connecting rods 61 are fixedly connected into a whole through fixing pieces 62, and the connecting rods 61 and the side anchor rods 21 jointly form an anchoring frame of the bank slope 1 or a filling frame. The fixing member 62 may be a rope, a wire, a rivet, etc. for binding or fixedly connecting the connecting rod 61 with the adjacent side anchor 21 and the ground anchor 31.
A plurality of the connecting rods 61 form a slope support, as shown in fig. 1, the slope support forming the bank slope 1 in the embodiment 2 is vertically arranged relative to a horizontal plane, that is, the bank slope 1 is a vertical slope; of course, the slope surface support can also be arranged obliquely relative to the horizontal plane, and the bank slope 1 is formed into a slope surface.
As shown in fig. 1, the side anchor 21 is disposed perpendicular to the axis of the connecting rod 61, and the ground anchor 31 is also disposed perpendicular to the axis of the connecting rod 61, but the ground anchor 31 is not parallel to the side anchor 21. Referring to fig. 1, the ground anchor rods 31 and the side anchor rods 21 are driven into the dike foot soil body 51 in different directions in the cross section of the river; the side anchor rods 61 can be perpendicular to the water-facing outer side surface of the dike foot soil body 51, the ground anchor rods 31 can be inserted into the dike foot soil body 51 along the direction perpendicular to the side anchor rods 21, and the side anchor rods 21 and the ground anchor rods 31 are not limited to the arrangement of the two directions.
Referring to fig. 1, the ground anchor 31 of the embodiment of the present invention is crossed and fixedly connected with the connecting rod 61, which is inserted into the bank slope soil 11 to form a certain anchoring depth, so as to ensure the tight combination of the anchoring frame and the bank slope 1. Referring to fig. 3, wherein leave the clearance of installation side stock 21 between some adjacent ground stock 31, side stock 21 distributes according to the layer, wherein can select to be equipped with side stock 21 on some connecting rods 61 and be connected fixedly with connecting rod 61, referring to fig. 3, the utility model discloses side stock 21 among the embodiment 2 distributes according to the layer evenly to make the bonding effect better, bonding strength is more even, wherein side stock 21 mainly sets up in the first half part of anchor frame. Of course, the side anchor rods 21 can also be unevenly distributed, and can also be distributed in the gaps among the ground anchor rods 31 in a staggered manner; or side anchors 21 may be provided at the junction of each connecting rod 61 and the gap. The side anchor rods 21, the ground anchor rods 31 and the connecting rods 61 in this embodiment are all made of bamboo rods subjected to corrosion prevention treatment.
The anchor frame positioned at the bottom or the middle lower part is filled with stones and pebbles 7 to realize weight reduction on the frame, the non-inserted part and the top of the anchor frame are filled with soil, branches are inserted in layers on the side surface 52 of the embankment foot formed after filling, and the reinforcing effect of the slope body can be improved after the branches survive. The top surface 53 of the filled dyke foot is provided with a surface vegetation layer 9, and the vegetation layer 9 has the functions of preventing wind, fixing soil, reducing slope soil erosion and preventing water and soil loss.
In the embankment protection structure, the hollow sections of the side anchor rods 21 under the water surface can form fish nests for fish to lay eggs.
The embodiment 2 of the utility model adopts the natural bamboo poles to construct the gravity type retaining wall, thereby not only meeting the requirements of bank slope stability and water permeability, but also increasing the biological habitat function of the wall body, and the soil wall formed by the bamboo frame retaining type anchoring frame belongs to a flexible structure, and can be well deformed in response to earthquakes or side slope settlement; the strength of the retaining wall at the initial stage is supported by the frame structure, and after a period of time, the root system formed by the development of the plant branches in the structure can play a role of bank slope protection together; the hollow section of the reserved part can be used as a fish nest and a place for breeding and refuge of fishes or other aquatic animals, and the structural clearance can also provide a living place for aquatic organisms, so that the diversity of the biological community is improved. The slope protection technology combining the frame type permeable dike foot protection structure and the plant community has two functions of river dike foot protection, aquatic habitat protection and restoration.
The implementation process of the dike foot protection structure in this embodiment 2 is as follows:
s1: firstly, the end part of a ground anchor rod 31 is sharpened, a row of ground anchor rods 31 are driven into the edge of a river course sub-groove close to water, the ground anchor rods 31 are inserted into the soil body of a bank slope to form a certain anchoring depth, wherein one ground anchor rod 31 is inserted next to another ground anchor rod 31, and gaps are reserved at intervals of 2.0m for inserting the side anchor rods 21 at the later period;
s2: then, a horizontally arranged connecting rod 61 is arranged on the side of the dike foot facing the water, and the connecting rod is fixedly connected with the non-inserted end part of the ground anchor rod 31 through a fixing piece, wherein the distance between the adjacent upper and lower connecting rods 61 is about 0.3 m;
s3: sharpening the end parts of the side anchor rods 21, and inserting the side anchor rods 21 close to the connecting rods 61 into the soil body of the dike foot, wherein the distance between the side anchor rods 21 of the same layer is 2.0m, and the insertion depth is 2.0 m; of course, when the width of the dike foot soil body is narrow (the width refers to the straight line distance from the edge of the dike foot soil body close to the water to the edge of the bank slope), the side anchor rods 21 can be omitted;
s4: secondly, the connecting plate 61 is fixedly connected with the non-inserted end of the side anchor rod 21 by a fixing piece 62;
s5, filling the bottom layer of the anchoring frame with stones or pebbles to realize weight reduction;
s6: filling soil bodies in the non-inserted parts and the tops of the anchoring frames;
s7: finally, a protective vegetation layer 9 is planted on the top surface 53 of the dike legs formed after filling.
The construction process of the embodiment is simple, the damage and disturbance to the environment of the biological habitat are small, and large-scale earth and stone excavation and stone allocation are not needed; and the occupied area is small, the large-area excavation of the working surface is not needed, the manpower is reduced, and the cost is reduced.
The embodiment 2 of the utility model adopts the natural bamboo poles to construct the gravity type retaining wall, thereby not only meeting the requirements of the stability and the water permeability of the dike feet, but also increasing the biological habitat function of the wall body, and the soil wall formed by the bamboo frame retaining type anchoring frame belongs to a flexible structure, and can be well deformed in response to the earthquake or the settlement of the side slope; the initial retaining wall strength is supported by the frame structure.
When the river course is deeper, the forehead embankment foot protection structure in embodiment 2 can be additionally arranged at the embankment foot, and the integral protection and strength support of the river course are further facilitated by simultaneously arranging the embankment foot protection structure and the bank slope protection structure, so that the bank protection slope is protected and supported, the embankment foot is protected and supported, the bank protection slope is constructed into a consistent landscape, the integral landscape is better, and a natural bank protection can be formed. The slope protection technology combining the frame type permeable protection structure and the plant community has the functions of river bank slope protection, dike foot protection, aquatic habitat protection and restoration and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (14)
1. A flexible anchoring frame, comprising:
the first anchoring component comprises a plurality of layers of side anchors which are inserted into the river channel soil body in a stacking manner along the ascending direction of the river channel;
the second anchoring component comprises a plurality of rows of ground anchors which are inserted into the river channel soil body side by side along the extending direction of the river channel;
and the connecting assembly and the side anchor and/or the ground anchor form an anchoring frame, and the non-inserted ends of the side anchor and the ground anchor are respectively and fixedly connected to the connecting assembly.
2. The flexible anchoring frame of claim 1, wherein: the connecting assembly comprises a plurality of connecting rods which are arranged in parallel at intervals; the side anchor with the earth anchor is the stock, wherein the side anchor passes through mounting and a plurality of with the non-inserted end of earth anchor pole connecting rod fixed connection is as an organic whole.
3. The flexible anchoring frame of claim 2, wherein: the connecting rod is located adjacent layer along river course rising direction interval between the side stock, the side stock with the earth anchor pole respectively with the axis of connecting rod sets up perpendicularly, just the earth anchor pole is not parallel to the side stock.
4. The flexible anchoring frame of claim 3, wherein: the connecting rods form a slope surface support, and the slope surface support is inclined or vertical relative to a horizontal plane.
5. A flexible anchoring frame according to any one of claims 2-4, wherein: the side anchor rods of adjacent layers are arranged in a staggered mode.
6. The flexible anchoring frame of claim 5, wherein: the non-inserted end of the ground anchor rod is fixedly connected with the connecting rod positioned at the bottom; or the non-inserted end of the ground anchor rod is fixedly connected with all the connecting rods.
7. The flexible anchoring frame of claim 5, wherein: the side anchor rods, the ground anchor rods and the connecting rods are all bamboo rods.
8. An ecological revetment structure comprising:
a bank slope protection structure comprising a flexible anchoring frame according to any one of claims 1-7; wherein the first anchoring assembly and the second anchoring assembly are inserted into the bank slope soil body.
9. The ecological revetment structure of claim 8, wherein the anchoring frames at the bottom of said bank slope protection structure are filled with stones and pebbles.
10. The ecological revetment structure of claim 9, wherein the non-inserted part and the top of the anchoring frame of the revetment protective structure are filled with soil, and branches are cut on the slope surface of the bank slope formed after filling in a layered manner; and a surface vegetation layer is arranged on the top surface of the bank slope formed after filling, or bamboo forests are planted on the top surface of the bank slope formed after filling.
11. The ecological bank protection structure according to any one of claims 8 to 10, further comprising a dike foot protection structure comprising the flexible anchoring frame according to any one of claims 1 to 7, wherein the first and second anchoring assemblies are inserted into a bank slope soil body.
12. The ecological revetment structure of claim 11, wherein: the hollow opening sections of the side anchor rods of the dike foot protection structure form fish nests.
13. The ecological revetment structure of claim 11, wherein: and stones and pebbles are filled in the anchoring frame positioned at the bottom of the embankment foot protection structure.
14. The ecological bank protection structure according to claim 13, wherein the non-inserted portions and the top of the anchoring frame of the dike foot protection structure are filled and covered with soil, and the top surface of the dike foot formed after filling is provided with a surface vegetation layer.
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| CN201921455927.9U CN210887107U (en) | 2019-09-02 | 2019-09-02 | Flexible anchoring frame and ecological bank protection structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110485371A (en) * | 2019-09-02 | 2019-11-22 | 中国水利水电科学研究院 | A kind of flexible anchoring frame and its ecological bank protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110485371A (en) * | 2019-09-02 | 2019-11-22 | 中国水利水电科学研究院 | A kind of flexible anchoring frame and its ecological bank protection structure |
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