KR100381254B1 - Methode for construction of vegetative streambank of stream using trench - Google Patents

Abstract

The present invention is a trench for stabilizing the revetment by effectively vegetation on the slope of the river while preventing the erosion and scour of the soil due to the rapid flow of water and changes in the water level during the construction of natural rivers, especially during heavy rains during the summer season ( The present invention relates to a method for constructing a vegetation lake in a river using a trench, and to this end, the present invention provides trenches 20 and 30 to be recessed downwardly into the base end and the upper end of the stream as slopes 10 of the stream. 20 or 30 trenches 40 to be orthogonal at regular intervals, and a plurality of trenches 120 or a relatively wide width in parallel to the flow direction of the flowing water on the inclined surface 10 between these trenches 20 and 30. Trenches 140 are formed, and the inclined surface 10 and each of the trenches 20, 30, 40, 120, and 140 are laid with an erosion-preventing blanket 50 and fixed to each trench 20. (30) (40) (120) (140) Fill the backfill means 60 and the excavated soil and pot member 90 and the vegetation bale mat 150, which are planted with the vegetation member 80 and the purified water plant 100 or the willow tree branch stake 110, respectively. It is characterized by inserting them so that the soil can be compacted and thus create a strong and eco-friendly revetment.

Description

Method for construction of vegetative streambank of stream using trench}

The present invention is a trench for stabilizing the revetment by effectively vegetation on the slope of the river while preventing the erosion and scour of the soil due to the rapid flow of water and changes in the water level during the construction of natural rivers, especially during heavy rains during the summer season ( The present invention relates to a method for constructing vegetation lakes in a river using trenches.

In general, behind the rapid development of the economy and industry, the water quality and surrounding environment have been devastated due to poor environmental policies, uniform introduction of concrete revetment blocks, management and maintenance of completion and dimensional stability, and maintenance of uneco-friendly rivers. As a result, humans and animals were separated from the rivers.

In order to solve this problem, natural stream revetment methods have already been proposed in advanced countries, and many studies have been conducted.

The RRI-RAP method, which is the most widely used in Korea recently, has relatively stable effect of stabilization, but it is very costly in terms of economics and requires much technology and heavy equipment in terms of construction. do.

On the other hand, the existing coastal construction method used in developed countries has a problem that the selection of materials and the effect of the construction method does not conform to the characteristics of the river structurally to be applied to domestic rivers.

In other words, rivers that exhibit intensive rainfall during the summer will experience several floods in succession.However, in the existing lakes, some of the materials, especially jute nets and natural fiber rolls, are lost or soil erosion collapses. there is a problem.

In other words, when jute nets are laid on the river slope and the jute nets are fixed with fixed piles, and then vegetation is processed on them, in the rivers with a rapid change in bed coefficient, such components as jute nets and natural fiber rolls are torn or lost. Because it floats downstream, causing another environmental problem, there is a problem in that it does not fully perform its original function.

The present invention is to solve the above problems, an object of the present invention is to form a trench inclined downward slope to the proximal end and the upper end of the river slope to apply the stability of the slope, so that the various vegetation in the trench Ecological and landscape features are to be maximized.

1 is a partially cutaway perspective view showing an embodiment of the present invention,

FIG. 2 is a perspective view illustrating the trench formation structure of FIG. 1; FIG.

3 is a side cross-sectional view of FIG.

4 is a principal view showing a proximal end trench of the present invention;

Figure 5 is a side cross-sectional view showing another embodiment of the present invention,

6 is a partially cutaway perspective view of FIG. 5;

Figure 7 is a side cross-sectional view showing another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: slope 20, 30, 40, 120, 140: trench

50: erosion prevention blanket 60: fixing means

70: backfilling means 80: vegetation absence

90: port member 100: water plant

110: raw willow pile 130: log pile

150: vegetation bale mat

In order to achieve the above object, the present invention comprises the steps of forming trenches in the direction parallel to the flow of the flowing water and the direction orthogonal to them at regular intervals, respectively, at the base end and the upper end of the river slope; The erosion blanket is in close contact with the inclined surface between the inner side of the trench and the trench, and each trench is filled by the backfilling means, and the vegetation member is planted at predetermined intervals in the backfilling means and the inclined surface of each trench. It is a main feature to make it a process to make.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 illustrates an embodiment according to the present invention, 10 is an inclined surface formed on both sides along the river.

In the river slope 10, as shown in Figure 2 to form a trench 20, 30 concave down the ground to a predetermined depth to the proximal end and the upper end, respectively, the trench 20, 30 is the water in the stream Trench 40 is formed to be formed in parallel with the flowing direction, that is, flowing water, and the inclined surface 10 between these proximal end trench 20 and the upper end trench 30 is orthogonal to both trenches 20 and 30. Be sure to

Such inclined surfaces 10 and trenches 20, 30 and 40 are generally laid with an erosion blanket 50 as shown in FIG. 3, but in trenches 20, 30 and 40 closely with the inner surface. Make sure they are in close contact.

Meanwhile, the erosion prevention blanket 50 is provided with natural fibers or rice straw which can be corroded in the ground, and the erosion prevention blanket 50 laid close to the inner surface of each trench 20, 30, 40 is each trench. 20, 30, and 40 to be firmly fixed using the fixing means 60 at regular intervals on the bottom surface, and each trench 20, 30, 40 has a backfilling means 70, respectively. Filled, such that the vegetation member 80 is planted at a predetermined interval on the backfill means 70 and the inclined surface 10.

At this time, the fixing means 80 for fixing the erosion prevention blanket 50 is most preferably such that the upper end is caught in the erosion prevention blanket 50, the lower portion extending vertically is formed into a shape that is inserted deep into the ground.

The backfill means 70 to be filled in the trenches 20, 30 and 40 at this time is more preferably provided as gravel, gabions or dug soil, and each of these trenches 20, 30 and 40 is provided. The whole may be filled with gravel or gabions, and part of the proximal end trench 20 and the inclined surface 10-side trench 40 which are immersed in the river is filled with gravel or gabions, and other trenches 30 are provided. 40 may be filled with the excavated soil as it is.

As such, each trench 20, 30, 40 is filled with gravel or gabions and soil, and the vegetation member 80 is planted on these backfilling means 70 and the inclined surface 10.

Meanwhile, the vegetation member 80 mainly uses willow branches or willow branch bundles and willow tree branches, and the vegetation member 80 inserted on the inclined surface 10 does not exceed a maximum of 50 cm between them, Most preferably, about 70% of its length is buried in the ground.

In particular, the proximal end trench 20 is not filled with the backfill means 70 as shown in FIG. 4, but is filled only up to the middle height, and then filled with port members 90 such as willow branches or natural fiber rolls. Water plant 100 to be planted.

At this time, the port member 90 is to be fixed using the willow raw twig pile 110, the natural fiber roll is most preferably to be planted reeds reeds planted therein.

It is most preferable to apply such a relief construction in a region where the width between the proximal end and the upper end of the river slope 10 is relatively small.

Figure 5 is a side cross-sectional view showing another embodiment of the present invention, Figure 6 is a cross-sectional perspective view of the present embodiment, as shown in the present embodiment to the proximal end and the upper end of the inclined slope 10 of the river While forming trenches 20 and 30 in parallel with the flow direction of the rivers, the inclined surfaces 10 between the trenches 20 and 30 are also orthogonal to the proximal end side trenches 20 and the upper end side trenches 30. The trenches 40 are formed, and each trench 20, 30, (with the inclined blanket 10 laid over the inclined surface 10 and the inner surface of each of the trenches 20, 30, 40) is formed. In the bottom surface of the 40 to be firmly fixed by the fixing means 60, in particular to each trench 20, 30, 40 to be filled with backfill means 60, such as gravel or gabions and dug soil The configuration is the same as that of the foregoing embodiment.

However, the most prominent feature of the present embodiment is that the plurality of trenches 120 are formed at regular intervals in parallel with the flow direction of the flowing water on the inclined surface 10 between the proximal end and the upper end, and the erosion prevention blanket 50 is formed in each trench 120. ) To be firmly attached to the inner surface of the).

In addition, the bottom surface of each trench 20, 30, 40, 120 is used to secure the erosion prevention blanket 50 to the ground using the fixing means 60 as in the above embodiment.

The trenches 20, 30 and 40 formed at the proximal end and the upper end of the inclined surface 10 and in the orthogonal direction thereof are filled with backfilling means 70 such as gravel or gabion and the excavated soil to prevent erosion as in the past. In addition, the trench 120 formed in parallel with the flow of the flowing water on the inclined surface 10 between the proximal end and the upper end is filled with a pot member 90 such as a willow branch or a natural fiber roll.

The vegetation member 80, such as willow tree branches, is planted at regular intervals on the inclined surface 10 between the trenches 120 formed at regular intervals, and the port members 90 filled in each trench 120 are piles of willow tree branches. Fixed to (110), in particular the pot member 90 applied as a natural fiber roll so that the plant water 100 is planted.

On the other hand, the proximal end trench 20 is not filled with the backfilling means 70, but is filled only up to the middle height, and then filled with port members 90 such as willow branches or natural fiber rolls. The plant 100 is planted in the upper portion, wherein the port member 90 is fixed by using the willow tree branch stake 110 and the bottom of the port member 90 is filled with the excavated soil in the port member 90 It is most desirable to provide a soil where vegetative plants can grow smoothly.

In addition, most preferably, the log pile 130 is continuously driven in parallel with the trench 20 in front of the proximal end trench 20, but the height thereof is higher than that of the upper end of the proximal end trench 20. .

7 is a side cross-sectional view showing another embodiment according to the present invention, such that the trench 20 and 30 are formed in parallel with the flow direction of the stream to the proximal end and the upper end of the inclined slope 10 of the stream, respectively. In addition, the inclined surface 10 between the trenches 20 and 30 is formed such that the trench 40 is formed in a shape orthogonal to the proximal end side trench 20 and the upper end side trench 30, and the inclined surface 10 and the respective trenches. An erosion blanket 50 is laid over the inner surface of the 20, 30 and 40, and each trench 20, 30 and 40 has a backfilling means 70 such as gravel or gabions and dug soil. The configuration to be filled as is the same as the one embodiment configuration described above.

In this configuration, the present embodiment forms a trench 140 parallel to the flow of water with a constant depth and width parallel to the inclined surface with the inclined surface 10 between the trenches 20 and 30 of the proximal end and the upper end thereof. At least one of the vegetation bale mat 150 is filled in the trench 140, and the vegetation bale mat 150 has the erosion blanket 50 close to the top thereof, respectively, such an erosion blanket 50 and the vegetation. The bale mat 150 is characterized by being firmly fixed to the ground by the willow tree branch stake 110.

In addition, in the present embodiment, the erosion blanket 50 laid in the trenches 20 and 30 at the proximal end and the upper end is inserted as the willow twigs 110 in the same manner as the fixing vegetation bale mat 150. It can also be fixed.

At this time, when the vegetation bale mat 150 is filled in the trench 140 is a plurality of vegetation bale mat 150 between the erosion prevention blanket 50 is to be confined between the vegetation bale mat 150 by a separate fixing means (60). It is more preferable to be firmly fixed to the bottom surface of the trench 140.

As in the above-described embodiments, the present invention is environmentally friendly because it uses all materials that are actually applied as natural materials instead of artificial workpieces while artificially improving the revetment.

In addition, if the trench 20 is formed where erosion or crushing is concerned, such as the base of the stream, and the trench 20 is filled with backfill means 70 such as gabions or gravel, the stream base can be more firmly maintained. It becomes the number.

Erosion-prevention blanket 50 is covered by the slope 10 of the river is an environmentally friendly material that is corroded in the ground after a certain period of time as described above, so the vegetation member 80, such as willow branches inserted on the slope Protecting the lake shore until the purified plant 100 and the raw branch stake 110, and when the vegetation member 80 and the purified plant 100 and the raw branch stake 110 firmly slid from the ground, the soil is further It will be firmly compacted to prevent river erosion and crushing.

On the other hand, when the vegetation member 80 is inserted into the ground from the upper end of the river to the inclined surface 10, the erosion or loss of the lake can be prevented even during heavy rains such as the summer, and pollutants flowing from the surrounding roads At the same time, filtering to prevent direct inflow into the river can be performed, thereby preventing river pollution.

As described above, the revetment construction according to the present invention forms various trenches 20, 30, 40, 120, and 140 on the inclined surface 10 in consideration of the geographic and physical characteristics of the river, and structurally erosion. In the trenches that are seriously crushed or crushed by using a backing member 70, such as a more solid material, such as gravel or gabions, and stabilized, where the influence of erosion or crushed vegetation member 80, such as willow twigs, While willing or filled with a willow tree branch stake 110, a willow branch stalk and a port member 90, such as natural fiber rolls, while providing the stability of the natural revetment by their spontaneous, especially ecologically and scenicly There is a very useful effect to create a good eco-friendly revetment.

Claims (21)

Forming trenches 20 and 30 in parallel with the flow of flowing water by injecting the ground downwardly into a predetermined depth into the proximal end and the upper end of the river slope 10; Forming a trench (40) by recessing the inclined surface (10) downward at regular intervals so as to be orthogonal between the trenches (20) and (30); A step of covering the erosion prevention blanket (50) of the eco-friendly material which can be corroded to be in close contact with the inner surfaces of the inclined surface (10) and the trenches (20, 30, 40) at the same time; The erosion prevention blanket 50 covered with the inner surfaces of the trenches 20, 30, 40 is firmly fixed to the bottom surfaces of the trenches 20, 30, 40 by using fixing means 60 at regular intervals. Fastening process; Filling back trenches (70) in the trenches (20, 30, 40), respectively; Planting the vegetation member (80) at predetermined intervals on the backfill means (70) and the inclined surface (10); Vegetation lakes construction method using a trench performed by the. The method of claim 1, wherein the erosion blanket (50) is a vegetation protection of the river using a trench applied as a natural fiber blanket. The method of claim 1, wherein the erosion prevention blanket (50) is a vegetation lake shore construction method using a trench applied by rice straw. The method of claim 1, wherein the backfilling means (70) is a vegetation lake shore construction method using a trench to which natural stones such as gravel or gabion is applied. According to claim 1, The proximal end trench 20 is a vegetation protection of the river using a trench is filled with a port member 90 to allow the plant 100 to be planted on top of the back-filling means (70) Construction method. The method of claim 1, wherein the port member 90 is a vegetation lake construction method using a trench to which willow branches 91 are applied. The method of claim 1, wherein the port member (90) is a vegetation lake construction method using a trench to which a natural fiber roll (92) is applied. Forming trenches 20 and 30 in parallel with the flow of flowing water by injecting the ground downwardly into a predetermined depth into the proximal end and the upper end of the river slope 10; Forming a trench (40) by recessing the inclined surface (10) downward at regular intervals so as to be orthogonal between the trenches (20) and (30); Forming a plurality of trenches (110) by recessing the slanted surface (10) downward in parallel with the flow of running water at regular intervals; A step of covering the erosion prevention blanket (50) of the eco-friendly material which can be corroded to be in close contact with the inner surface of the inclined surface (10) and the trenches (20, 30, 40, 110) at the same time; A step of firmly fixing the erosion prevention blanket (50) by using fixing means (60) at regular intervals on the bottom surfaces of the trenches (20, 30, 40, 120); Filling the trenches 20, 30 and 40 with backfill means 70 so as to prevent subsidence due to the flow of running water; Filling port members (90) in trenches (120) formed on the inclined surface (10) in parallel with a flow direction of flowing water; Planting a vegetation member (80) at predetermined intervals on the inclined surface (10) between the backfill means (70) and the trench (120); Vegetation lakes construction method using a trench performed by the. 9. The method of claim 8, wherein the erosion prevention blanket (50) is a vegetation protection shoreline using a trench applied as a natural fiber blanket. The method of claim 8, wherein the erosion prevention blanket (50) is a vegetation lake shore construction method using a trench applied by rice straw. 10. The method of claim 8, wherein the port member (90) filled in the plurality of trenches (120) formed on the inclined surface (10) is a vegetation protection pond construction method using a trench to which weft branches are applied. 9. The method of claim 8, wherein the pot member (90) filled in the trench (120) formed on the inclined surface (10) is a vegetation protection pond construction method using a trench to which a natural fiber roll is applied. 9. The method of claim 8, wherein the port member (90) filled in the trench (120) formed on the inclined surface (10) is fixed by a willow tree branch pile. 10. The method of claim 8, wherein the backfilling means (70) is a vegetation lake protection construction method using a trench to which natural stones such as gravel or gabion are applied. 10. The method of claim 8, wherein the proximal end trench 20 is a vegetation protection pond construction method using a trench to fill the port member 90 so that the purified water 100 is planted on the back filling means 70. . 10. The method of claim 8, wherein the port member (90) is a vegetation lake construction method using a trench to which willow branches (91) are applied. The method of claim 8, wherein the port member (90) is a vegetation lake construction method using a trench to which a natural fiber roll (92) is applied. 9. The method of claim 8, wherein the front of the proximal end trench (20) is a vegetation protection construction method using a trench to insert the log pile 130 in parallel with the trench (20). Forming trenches 20 and 30 in parallel with the flow of flowing water by injecting the ground downwardly into a predetermined depth into the proximal end and the upper end of the river slope 10; Forming a trench (40) by recessing the inclined surface (10) downward at regular intervals so as to be orthogonal between the trenches (20) and (30); Forming a trench (140) with a relatively wide width along the inclined surface (10) by injecting the inclined surface (10) between the trenches (20) and (30) downward in parallel with the flow of running water; At least one vegetation bale mat (150) is filled in the trench (140); Erosion-prevention blanket 50 of the eco-friendly material that can be corroded so that the inclined surface 10 and the inner surface of the trench 20, 30, 40 and the upper portion of the vegetation bale mat 150 of the trench 140 is covered at the same time Process to cut; Fixing the erosion prevention blanket (50) by using a plurality of willow tree branches (110) in the trench (140) filled with a vegetation bale mat (150); Filling the trenches 20, 30 and 40 with backfill means 70 so as to prevent subsidence due to the flow of running water; Fixing the blanket for preventing erosion by inserting the willow tree branch stake 110 at regular intervals with the backfilling means 70 filled in the trenches 20, 30 and 40; Vegetation lakes construction method using a trench performed by the. 20. The method of claim 19, wherein the erosion-prevention blanket (50) is a vegetation protection shoreline using a trench applied as a natural fiber blanket. 20. The method of claim 19, wherein the erosion-preventing blanket (50) is a vegetation lake shore construction method using a trench applied with rice straw.