KR100680156B1 - Sediment remove facility for river bottom - Google Patents

Sediment remove facility for river bottom Download PDF

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Publication number
KR100680156B1
KR100680156B1 KR1020060100065A KR20060100065A KR100680156B1 KR 100680156 B1 KR100680156 B1 KR 100680156B1 KR 1020060100065 A KR1020060100065 A KR 1020060100065A KR 20060100065 A KR20060100065 A KR 20060100065A KR 100680156 B1 KR100680156 B1 KR 100680156B1
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river
storage tank
sludge storage
drainage
drainage canal
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KR1020060100065A
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Korean (ko)
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천성열
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(주)정도엔지니어링
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/08—Details, e.g. gates, screens
    • E02B5/085—Arresting devices for waterborne materials, e.g. gratings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
    • E02B8/023—Arresting devices for waterborne materials

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Barrages (AREA)

Abstract

An installation for removing contaminants on the river bottom during droughty season is provided to prevent destruction of a river ecosystem generated when sediments are accumulated on puddles formed on the river bottom by allowing a small amount of water containing suspended solids to smoothly flow down along a drainage canal even when a water level of a river is lowered during the droughty season. An installation for removing contaminants on the river bottom during droughty season comprises: a drainage canal(10) which is formed in such a cross-sectional shape that an upper part of the drainage canal is wide while a lower part of the drainage canal is narrow, and which is installed on the center of the river bottom along a river to induce a flow of a small amount of flowing water during the droughty season; a sludge storage tank(20) which is installed in the middle of the drainage canal, and in which a space with expanded width and depth as compared with the drainage canal is provided to settle and store a sediment of the river flown down along the drainage canal; a filtering mesh(30) installed within the sludge storage tank in a width direction of the sludge storage tank to filter suspended solids, wastes and the like of the river flown down along the drainage canal; and fixing stones(40) installed in a stepped stair shape on the river bottom around the drainage canal and the sludge storage tank such that an elevation of the fixing stones is increased as it goes from the river bottom side to a river embankment side.

Description

갈수기 하천바닥 오염물 처리시설{Sediment remove facility for river bottom}Separation remove facility for river bottom

도 1은 본 발명에 따른 하천 바닥 오염물 처리시설의 전체적인 구성을 나타낸 사시도.1 is a perspective view showing the overall configuration of the river floor pollutant treatment facility according to the present invention.

도 2는 본 발명에 따른 하천 바닥 오염물 처리시설의 시공단면도.Figure 2 is a cross-sectional view of the construction of the river floor pollutant treatment facility according to the present invention.

<도면의 주요부위에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

10...배수로 20...슬러지 저장조10 ... drainage 20 ... sludge reservoir

30...걸름망 35...바닥망30 ... mesh 35 ... bottom

40...붙임돌40.

본 발명은 하천바닥 오염물 처리시설에 관한 것으로서, 더욱 상세하게는 하천 수위가 낮아지는 갈수기 때 하천 바닥 중간중간에 물웅덩이가 생겨 이곳에 하천 퇴적물이 쌓임에 따라 발생되는 하천 생태계 파괴를 해소할 수 있도록 한 갈수기 하천바닥 오염물 처리시설에 관한 것이다.The present invention relates to a riverbed contaminant treatment facility, more specifically, to remove the river ecosystem caused by the accumulation of river sediment in the middle of the bottom of the river during the dry season when the water level is lowered to solve the river ecosystem destruction A dry season riverbed contaminant treatment facility.

일반적으로, 호소, 저수지, 댐 및 하천의 바닥에는 퇴적물이 쌓이게 되는데 이 퇴적물은 유기물과 무기물 또는 각종 중금속이 함유되어 있어 혼탁시 수질에 악영향을 끼친다.In general, deposits accumulate on the bottoms of lakes, reservoirs, dams and rivers, which contain organics, inorganics and various heavy metals that adversely affect water quality when turbid.

이들 퇴적물은 상류 또는 지상에서 흘러 내려와 퇴적된 모래 및 자갈과 같은 골재와, 수질을 오염시키는 퇴적슬러지가 혼합되어 퇴적된어 형성된 것이다.These sediments are formed by mixing aggregates, such as sand and gravel, which have flowed down from the upstream or above ground, and sediment sludge that contaminates water quality.

퇴적물중 퇴적슬러지는 원수내의 용존산소를 소모시키는 유기물로서 이는 부영양화를 일으키는 질소와 인 중금속 등의 각종 오염물을 함유하고 있어 수질을 악화시킨다. 또한 부영양화로 조류 등이 이상 번식하여 생물에 유해한 가스가 발생되고 호소, 저수지, 댐 및 하천 등의 자정능력을 상실시켜 오염을 가속화시킬 뿐만 아니라 상기 골재와 함께 바닥에 점차 퇴적되어 수심을 낮춤으로서 저수용량을 점차 감소시켜 호소, 저수지, 댐 및 하천 등의 수명을 단축시키는 문제가 있다.Sediment sludge in the sediment is an organic substance that consumes dissolved oxygen in raw water, which contains various contaminants such as nitrogen and phosphorus heavy metals that cause eutrophication, and thus deteriorate the water quality. In addition, due to eutrophication, algae, etc. breed abnormally to generate harmful gas to the living organisms, and to lose the self-cleaning ability of lakes, reservoirs, dams and rivers, not only to accelerate the pollution, but also to accumulate on the floor with the aggregate to lower the water depth. There is a problem of reducing the lifespan of lakes, reservoirs, dams and rivers by gradually reducing the capacity.

특히 하천 수위가 낮은 갈수기 경우에, 하천 바닥에 흐르는 유수량이 소량인 관계로 하천바닥에는 중간중간 물 웅덩이가 생성되는데, 이러한 물 웅덩이로 하천 부유물 및 퇴적토가 쌓여서 하천 바닥을 심각하게 오염시켜 하천 생태계가 파괴되고 있는 실정이다.In particular, when the low water level in the low season, due to the small amount of water flowing on the bottom of the river, intermediate water pools are generated on the bottom of the river, which accumulates river floats and sedimentary soils, which seriously contaminates the river bottom. It is being destroyed.

본 발명은 상기한 종래의 문제점을 해결하기 위한 것으로, 하천 바닥 중앙부에 하천을 따라 배수로를 형성하고, 상기 배수로 중간에는 부유물 또는 퇴적물을 수거하여 저장할 수 있는 슬러지 저장조를 형성함으로써, 갈수기 때 하천 수위가 낮아지더라도 부유물을 함유한 소량의 물이 배수로를 따라 원활히 흘러내려 갈 수 있도록 하고, 그 결과 하천 바닥 중간중간에 물 웅덩이가 생겨 이곳에 하천 퇴적물이 쌓임에 따라 발생되는 하천 생태계 파괴를 해소할 수 있도록 하는 갈수기 하천바닥 오염물 처리시설을 제공하는 데에 그 목적이 있다.The present invention is to solve the above-mentioned problems, by forming a drainage path along the stream in the center of the bottom of the river, the middle of the drainage by forming a sludge storage tank for collecting and storing the suspended matter or sediment, the river water level during the dry season Even if it is lowered, a small amount of water containing suspended solids can flow down the drainage channel, and as a result, a pool of water is formed in the middle of the bottom of the river, thereby eliminating the destruction of the river ecosystem caused by the accumulation of river sediment there. The aim is to provide a dry season riverbed contaminant treatment facility.

상기한 목적을 달성하기 위하여 본 발명은, 하천을 따라 하천 바닥면 중앙에 설치되어 갈수기 때 소량의 유수 흐름을 유도하는 상광하협 단면 형상을 갖는 배수로; 상기 배수로 중간에 설치되며 그 내부에 이 배수로에 비해 확장된 폭과 깊이의 공간이 제공되어 배수로를 따라 떠내려온 하천 퇴적토가 침전되어 저장되는 슬러지 저장조; 상기 배수로를 따라 흘러내려온 하천 부유물 쓰레기 등을 걸러내기 위하여 상기 슬러지 저장조 내부에 이 슬러지 저장조 폭 방향으로 설치되는 걸름망; 및 상기 배수로 및 슬러지 저장조 주변의 하천 바닥상에 하천 제방 측으로 갈수록 높아지는 단차진 계단형태로 설치되는 붙임돌;을 포함하여 구성되는 것을 특징으로 하는 갈수기 하천바닥 오염물 처리시설을 제공한다.In order to achieve the above object, the present invention is installed in the center of the bottom surface of the river along the river drainage passage having a cross-sectional shape of the Sanggwang strait to induce a small amount of flow of water when the water; A sludge storage tank installed in the middle of the drainage channel and provided with a space having a width and a depth wider than that of the drainage channel to deposit and store the river sediment which has been floated along the drainage channel; A filtering net installed in the sludge storage tank width direction in the sludge storage tank to filter out the river floating waste flowed down along the drainage path; And a stepping stone installed in a stepped staircase shape that increases toward a river embankment side on a stream bottom around the drainage channel and the sludge storage tank.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 하천 바닥 오염물 처리시설의 전체적인 구성을 나타낸 사시도이며, 도 2는 본 발명에 따른 하천 바닥 오염물 처리시설의 시공단면도이다.1 is a perspective view showing the overall configuration of the river floor pollutant treatment facility according to the present invention, Figure 2 is a construction cross-sectional view of the river floor pollutant treatment facility according to the present invention.

도 1 내지 도 2를 참조하면, 본 발명은 하천 바닥면 중앙에 설치되는 배수로와, 배수로 중간에 구비되는 슬러지 저장조(20)와, 이 슬러지 저장조(20)에 착탈가능하게 결합되는 걸름망(30) 및 배수로(10) 및 슬러지 저장조(20)가 설치되는 하천 바닥면 상에 시공되는 다수의 붙임돌(40)로 이루어진다. 본 발명의 각부 구성을 좀 더 구체적으로 살펴본다.1 to 2, the present invention is a drainage passage installed in the center of the river bottom surface, the sludge storage tank 20 provided in the middle of the drainage passage, and the filter net 30 detachably coupled to the sludge storage tank 20 And a plurality of gluing stones 40 installed on the bottom surface of the river where the drainage passage 10 and the sludge storage tank 20 are installed. The configuration of each part of the present invention will be described in more detail.

배수로(10)는 갈수기 때 소량의 유수 흐름을 유도하기 위한 것으로 하천 바닥면 중앙에 하천을 따라 길게 설치된다. 구체적으로, 상기 배수로(10)는 위로 갈수록 폭이 넓어지는 형태인 상광하협 단면 형상을 갖는다. 이에 따라서, 유수량이 극히 적을 경우 주변의 하천 바닥면으로부터 이 배수로 측으로 유수가 극히 용이하게 유입될 수 있다. Drainage (10) is to induce a small flow of water flow during the dry season is installed long along the river in the center of the river bottom surface. Specifically, the drainage channel 10 has a cross-sectional shape of a light beam narrowing in the form of a width widening upward. Accordingly, when the amount of flow is extremely small, the flow of water can flow in very easily from the surrounding river bottom to the drainage side.

슬러지 저장조(20)는 상기 배수로(10) 중간에 설치되어 배수로(10)를 따라 떠내려온 하천의 퇴적토가 침전되어 저장될 수 있는 공간을 제공한다. 구체적으로, 이 슬러지 저장조(20)는 상기 배수로(10)에 비해 확장된 폭과 깊이를 갖는 상부가 개방된 사각 박스형 구조이다. The sludge storage tank 20 is installed in the middle of the drainage passage 10 to provide a space for depositing and storing the sedimentary soil of the river which has been floated along the drainage passage 10. Specifically, the sludge storage tank 20 has a rectangular box-type structure in which an upper portion of the sludge storage tank 20 has an expanded width and depth compared to the drainage passage 10.

걸름망(30)은 상기 슬러지 저장조(20) 내부에 이 슬러지 저장조(20) 폭 방향으로 설치되어 상기 배수로(10)를 따라 흘러내려온 하천 부유물 쓰레기 등을 걸러 슬러지 저장조 측에 침전되어 저장될 수 있도록 한다. 이러한 걸름망(30)으로는 부유물 등은 걸러지게 하고 물은 빠져나갈 수 있는 일반 그릴 형태의 것이 적용될 수 있다. The strainer 30 is installed in the sludge storage tank 20 in the sludge storage tank 20 in a width direction so as to filter and store the stream floating wastes which flowed down along the drainage path 10 so that the sludge storage tank can be settled and stored. . The filter net 30 may be applied to the general grill form that can filter out the floating matter and water.

바람직하게, 상기 걸름망(30)은 슬러지 저장조(20)에 분리 가능하게 장착되 며, 걸름망(30) 하측 단부에는 바닥망(35)이 이 걸름망(30)과 직교토록 더 구비될 수 있다. 이 경우에, 배수로(10)를 통해 유입된 퇴적토 및 부유물은 걸름망(30)에 걸려 상기 바닥망(35) 상에 쌓이게 된다. 그에 따라, 슬러지 저장조(20)로부터 걸름망을 들어내는 경우 바닥망(35) 상에 퇴적된 상기 퇴적토 및 부유물을 외부로 간단히 반출시킬 수 있게 되므로 슬러지 저장조(20)에 퇴적된 퇴적물을 간단히 수거할 수 있게 되는 이점이 있다.Preferably, the strainer 30 is detachably mounted to the sludge reservoir 20, the bottom end 35 of the strainer 30 may be further provided to be orthogonal to the strainer 30. In this case, the sediment and suspended matter introduced through the drainage path 10 is caught on the strainer 30 and accumulated on the bottom net 35. Accordingly, when lifting the strainer from the sludge storage tank 20, the sediment and suspended matter deposited on the bottom mesh 35 can be easily taken out to the outside, so that the deposit deposited in the sludge storage tank 20 can be simply collected. There is an advantage to this.

붙임돌(40)은 하천 바닥면을 보호하면서 갈수기 때 하천 바닥 곳곳에 물 웅덩이가 생기는 것을 방지할 목적으로 하천 바닥면 위에 시공된다. 이러한 붙임돌(40)은 바람직하게 도면에 도시된 바와 같이 상기 배수로 및 슬러지 저장조 주변의 하천 바닥상에 하천 제방 측으로 갈수록 점차 높아지는 단차진 계단형태로 설치될 수 있다. 이 경우, 하천 유수량이 극히 적은 갈수기 때 상기 배수로 측으로 물의 흐름이 유도되어 기존과 같이 하천 바닥 곳곳에 물 웅덩이가 발생되는 것이 효과적으로 방지할 수 있다. Attached stone 40 is constructed on the river bottom surface for the purpose of preventing water puddles are generated in the bottom of the river when the dry season while protecting the river bottom surface. The plaster 40 may be installed in the form of stepped steps that gradually increase toward the river bank on the river bottom around the drainage channel and the sludge storage tank as shown in the drawing. In this case, when the flow of the river is very low, water flow is induced to the drainage side when the water flow is extremely low, so that water puddles can be effectively prevented from occurring in various places in the bottom of the river as before.

상기한 구성으로 이루어진 본 발명에 오염물 방지시설의 시공과정을 간략히 설명한다.The construction process of the contaminant prevention facility in the present invention having the above configuration will be briefly described.

우선, 하천 길이방향을 따라 하천 바닥면 중앙을 일정 깊으로 굴착한다.First, the center of the river bottom surface is excavated to a certain depth along the length of the river.

다음, 상기 굴착된 굴착면 상에 중간에 슬러지 저장조(20)를 구비한 배수로(10)를 배치한다.Next, a drainage channel 10 having a sludge storage tank 20 is disposed on the excavated excavation surface.

그 뒤에 상기 굴착면과 배수로(10) 사이의 틈새를 잔자갈 등으로 되메우기하여 메꾼다.Thereafter, the gap between the excavation surface and the drainage passage 10 is filled with remnants and the like.

마지막으로, 상기 배수로(10) 및 슬러지 저장조(20) 주변의 하천 바닥면상에 붙임돌(40)을 시공하되, 이러한 붙임돌은 도면에서와 같이 하천 제방 측으로 갈수록 점차 높아지는 단차진 계단형태로 시공하여 그 시공을 완료한다.   Lastly, the attaching stones 40 are installed on the bottom surface of the river around the drainage passage 10 and the sludge storage tank 20, and the attaching stones are constructed in a stepped stairway form that gradually increases toward the river bank. Complete the construction.

상기와 같이 시공되는 본 발명에 따르면, 하천 바닥 중앙부에 하천을 따라 배수로(10)가 형성되고, 상기 배수로(10) 중간에는 부유물 또는 퇴적물을 수거하여 저장할 수 있는 슬러지 저장조(20)가 구비된다. 이에 따라서, 갈수기 때 하천 수위가 낮아지더라도 부유물 쓰레기등을 포함한 소량의 물이 배수로(10)를 따라 원활히 흘러내려 갈 수 있으며, 그 중 부유물 및 하천 퇴적물은 슬러지 저장조(20)의 걸름망(30)에 의해 걸러지거나 슬러지 저장조(20) 바닥 상에 침전된다. 이렇듯 걸러진 부유물 및 침전된 퇴적물은 슬러지 저장조(20)로부터 걸름망(30)을 분리해내는 것에 의해 간단히 외부로 배출시킬 수 있다. According to the present invention constructed as described above, the drainage passage 10 is formed along the stream at the center of the river bottom, the sludge storage tank 20 that can collect and store the suspended matter or sediment is provided in the middle. Accordingly, even when the water level is low during the dry season, a small amount of water, including floating garbage, may flow smoothly along the drainage path 10, and the suspended solids and the river sediment are trapped in the sludge storage tank 20. It is filtered out or precipitated on the bottom of the sludge reservoir 20. The filtered suspended matter and precipitated sediment as described above can be simply discharged to the outside by separating the strainer 30 from the sludge storage tank (20).

즉, 본 발명은 하천 바닥상에 설치되는 배수로(10)로 인하여 갈수기 때 소량의 물이 상기 배수로 측으로 그 흐름이 유도되어 이를 따라 흘러내려 갈 수 있게 됨으로써, 기존과 같이 하천 바닥 곳곳에 물 웅덩이가 형성되는 것이 방지되어 그 물 웅덩이에 퇴적물이 쌓이는 것을 예방할 수 있으며, 부유물 및 퇴적물을 포함한 하천 쓰레기를 효과적으로 수집하여 수거할 수 있다. 결과적으로, 퇴적물 및 부유물을 포함한 하천 쓰레기로 인한 수질오염을 방지하며, 나아가 하천 생태계가 파괴되는 것을 막을 수 있는 것이다. That is, in the present invention, a small amount of water is induced by the drainage path 10 installed on the river bottom so that the water flows to the drainage side and flows down along it, so that the water puddle is dotted around the river bottom as before. Formation can be prevented to prevent sediment buildup in the pools, and river waste, including suspended solids and sediments, can be effectively collected and collected. As a result, it is possible to prevent water pollution caused by stream debris, including sediment and suspended matter, and to prevent the destruction of river ecosystems.

이상에서 살펴본 본 발명인 갈수기 하천바닥 오염물 처리시설에 의하면, 하천 바닥상에 배수로가 구비되어 소량의 물까지도 그 흐름이 원활히 유도됨에 따라, 갈수기 때 유수량이 극히 적은 경우 하천 곳곳에 물 웅덩이 형성 생겨 이곳에 하천 퇴적물이 쌓임에 따라 발생되는 하천 생태계 파괴를 해소할 수 있는 효과가 있다.According to the present inventors looked at the above-mentioned mandrel river bottom pollutant treatment facility, the drainage is provided on the bottom of the river, even a small amount of water is smoothly induced, so if the flow rate is very small during the dry season, water puddles are formed throughout the river here There is an effect that can solve the destruction of the river ecosystem caused by the accumulation of river sediment.

이상에서 설명한 것은 본 발명을 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구범위에서 청구하는 바와같이 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 발명의 기술적 정신이 있다고 할 것이다.What has been described above is only one embodiment for carrying out the present invention, and the present invention is not limited to the above-described embodiment, and the present invention is made without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge in this field will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (2)

하천을 따라 하천 바닥면 중앙에 설치되어 갈수기 때 소량의 유수 흐름을 유도하는 상광하협 단면 형상을 갖는 배수로;It is installed in the center of the river bottom surface along the river drainage passage having a cross section of the Sanggwang strait to induce a small amount of flow of water when the water fall; 상기 배수로 중간에 설치되며, 그 내부에 이 배수로에 비해 확장된 폭과 깊이의 공간이 제공되어 배수로를 따라 떠내려온 하천 퇴적토가 침전되어 저장되는 슬러지 저장조;A sludge storage tank installed in the middle of the drainage channel, and having a space having a width and a depth greater than that of the drainage channel to settle and store the river sediment which has floated along the drainage channel; 상기 배수로를 따라 흘러내려온 하천 부유물 쓰레기 등을 걸러내기 위하여 상기 슬러지 저장조 내부에 이 슬러지 저장조 폭 방향으로 설치되는 걸름망; 및A filtering net installed in the sludge storage tank width direction in the sludge storage tank to filter out the river floating waste flowed down along the drainage path; And 상기 배수로 및 슬러지 저장조 주변의 하천 바닥상에 하천 제방 측으로 갈수록 높아지는 단차진 계단형태로 설치되는 붙임돌;을 포함하여 구성되는 것을 특징으로 하는 갈수기 하천바닥 오염물 처리시설.A dry season riverbed contaminant treatment facility comprising a; a stepping stone is installed in the stepped staircase form that increases toward the side of the river bank on the river bottom around the drainage channel and sludge storage tank. 제 1 항에 있어서, The method of claim 1, 상기 걸름망은 슬러지 저장조에 분리 가능하게 장착되며, The strainer is detachably mounted in the sludge reservoir, 걸름망 하측 단부에는 배수로를 통해 유입된 퇴적토 및 부유물이 쌓이게 하여 걸름망을 들어내는 경우 상기 퇴적토 및 부유물을 함께 수거할 수 있도록 바닥망이 이 걸름망과 직교토록 더 구비되는 것을 특징으로 하는 갈수기 하천바닥 오염물 처리시설.At the lower end of the strainer, the sedimentary soil and the floats introduced through the drainage can be accumulated to lift the strainer. facility.
KR1020060100065A 2006-10-14 2006-10-14 Sediment remove facility for river bottom KR100680156B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112813921A (en) * 2021-01-06 2021-05-18 西南科技大学 Mud-rock flow water-stone separation and storage system
KR20230040217A (en) * 2021-09-15 2023-03-22 서울대학교산학협력단 Debris barrier available removing soil

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JPS57156525U (en) 1981-03-26 1982-10-01
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JPH09310321A (en) * 1996-05-24 1997-12-02 Maeda Corp Working floor structure in river work
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JPS57156525U (en) 1981-03-26 1982-10-01
JPH06272223A (en) * 1993-03-23 1994-09-27 Kensetsusho Kanto Chiho Kensetsu Kyokucho Purifying device for river
JPH09310321A (en) * 1996-05-24 1997-12-02 Maeda Corp Working floor structure in river work
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Publication number Priority date Publication date Assignee Title
CN112813921A (en) * 2021-01-06 2021-05-18 西南科技大学 Mud-rock flow water-stone separation and storage system
KR20230040217A (en) * 2021-09-15 2023-03-22 서울대학교산학협력단 Debris barrier available removing soil
KR102626497B1 (en) * 2021-09-15 2024-01-17 서울대학교산학협력단 Debris barrier available removing soil

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