KR102114583B1 - laying method for a drain pipe in a high-level stream area - Google Patents

laying method for a drain pipe in a high-level stream area Download PDF

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KR102114583B1
KR102114583B1 KR1020190074908A KR20190074908A KR102114583B1 KR 102114583 B1 KR102114583 B1 KR 102114583B1 KR 1020190074908 A KR1020190074908 A KR 1020190074908A KR 20190074908 A KR20190074908 A KR 20190074908A KR 102114583 B1 KR102114583 B1 KR 102114583B1
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propulsion
river
duct
propulsion pipe
water
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KR1020190074908A
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Korean (ko)
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조정래
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조정래
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0061—Production methods for working underwater

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The present invention relates to a burying method for a duct in terrace land on a river, and more specifically, to a burying method for a duct in terrace land on a river, which is to bury water supply pipes, sewer pipes, or power supply pipes with inserted cables around the river or under the terrace land by using an underwater construction method. According to the present invention, the burying method for a duct in terrace land on a river comprises: a first step of excavating a duct burying unit for burying a duct in terrace land on a river into planned depth and length; a second step of manufacturing a working unit in a working enclosure, in which an upper side higher than the height of water introduced into the duct burying unit up to a water surface height of the river is opened, wherein the working unit includes a propulsion rod of a cylinder, in which a reaction force wall and a pressure wheel installed on the same are attached to a front end, and a propulsion pipe which is propelled to a takeout hole penetrating the front end of the working enclosure by being connected to the pressure wheel; a third step of sinking and installing the working unit manufactured in the second step on a front end of the duct burying unit sunk in the water; a fourth step of taking out the propulsion rod of the cylinder installed in the working unit by a reaction force of the reaction force wall to push the propulsion pipe installed on the pressure wheel of the front end out of the takeout hole of the working unit; and a fifth step of introducing the propulsion rod into the cylinder, inputting another propulsion pipe from an upper side of the working unit into the portion between the pressure wheel and the propulsion pipe, welding the other propulsion pipe to be watertight with the propulsion pipe on the front end, propelling the same as the propulsion rod, repeating the above procedures to continuously form a duct for the planned length, and refilling with the excavated soil for preventing the propulsion pipe connected in the process from being elevated by a water pressure to bury the duct. According to the burying method for a duct in terrace land on a river, construction costs are saved and working time is reduced.

Description

하천 고수부지의 관로 매설공법{laying method for a drain pipe in a high-level stream area}Laying method for a drain pipe in a high-level stream area}

본 발명은 하천 고수부지의 관로 매설공법에 관한 것으로, 더욱 상세하게는 하천의 주위나 고수부지의 지중에 상하수도관이나 케이블을 인입하는 전력관 등을 수중공법으로 매설하는 하천 고수부지의 관로 매설공법에 관한 것이다. The present invention relates to a method for laying a pipeline at a river high water site, and more specifically, a method for laying a pipeline at a river high water site where the water pipe or the power pipe for drawing a cable into the ground around the river or underground is buried by the water method. It is about.

일반적으로 하천 주위의 고수부지에 상하수도관이나 전력공급용 지중케이블을 인입하기 위한 관로를 매설하기 위해서 하천 주위의 땅을 굴착하게 되면 하천의 수위와 같은 높이로 물이 스며들어 관로를 매설하기가 용이하지 않으므로 보통 관로 매설지점의 주위에 별도의 차수벽을 설치하여 놓고 땅을 굴착하여 관로를 매설하게 됨에 따라 차수벽의 설치에 따른 시공비용이 과다하고 시공기간이 오래 걸릴 뿐 아니라 작업 또한 번거러운 문제가 있었다. In general, if the ground around the river is excavated in order to bury a pipeline for introducing a water supply pipe or an underground cable for power supply to a high water site around the river, it is easy to buried the pipeline with the same level of water as the level of the river. As it is not usually installed, a separate water barrier is installed around the pipeline buried point, and as the ground is excavated to bury the pipeline, the construction cost is excessive due to the installation of the water barrier, and it takes a long construction period as well as troublesome work.

본 발명의 목적은 상기와 같은 문제점을 해결하기 위한 것으로, 하천의 주위에 관로를 매설시 종래와 같이 차수벽을 설치하지 않고 관로 매설지점을 굴착한 후 추진장치를 가진 작업구를 관로 매설지점에 가라앉혀 추진장치에 의해 추진관을 밀어어 추진시키고 다시 새로운 추진관을 작업구에 넣어 연결시킨 후 다시 추진하는 수중공법으로 관로를 보아 용이하게 매설하는 하천 고수부지의 관로 매설공법을 제공하는 데 있다. The object of the present invention is to solve the above problems, when laying a pipe around the river, excavate the pipe buried point without installing a water barrier as in the prior art, then go to the pipe buried point It is to provide a method of laying a pipeline at a river highland site that is easily buried by viewing the pipeline through an underwater construction method that pushes the propulsion pipe by means of a propulsion device and pushes it back into the work area.

본 발명은 이와같은 목적을 달성하기 위한 수단으로, 하천의 고수부지에 관로를 매설할 관로 매설부를 계획심도와 길이로 굴착하는 제1단계;The present invention as a means for achieving the above object, the first step of excavating the pipeline buried in a planned depth and length to bury the pipeline to the high water site of the river;

관로매설부에 하천의 수위 높이로 유입된 물의 높이보다 높은 상부가 개방된 작업함체의 내부에 반력벽과 이에 설치된 및 압륜을 선단에 부착한 실린더의 추진로드와, 압륜에 연결되어 작업함체의 선단에 관통한 인출공으로 추진되는 추진관으로 구성된 작업구를 제작하는 제2단계;The reaction rod and the propulsion rod of the cylinder attached to the distal end of the work enclosure with the upper part higher than the height of the water introduced into the pipeline buried part at the level of the river and the pressure wheel attached to the tip, and the distal end of the work enclosure connected to the pressure wheel A second step of manufacturing a work tool composed of a propulsion pipe that is propelled by a withdrawal hole penetrating through;

상기 제2단계에서 제작된 작업구를 물에 잠긴 관로매설부의 선단에 가라앉혀 설치하는 제3단계;A third step of sinking and installing the work tool produced in the second step at the tip of the submerged pipe buried part;

상기 작업구의 내부에 설치된 실린더의 추진로드를 반력벽의 반력으로 인출시켜 선단의 압륜에 설치한 추진관을 작업구의 인출공 밖으로 밀어내는 제4단계;A fourth step of drawing out the propulsion rod of the cylinder installed inside the work tool with the reaction force of the reaction force wall and pushing the propulsion pipe installed on the pressure wheel at the tip out of the withdrawal hole of the work tool;

상기 추진로드를 실린더의 내부로 인입시켜 압륜과 상기 추진관과의 사이에 또 다른 추진관을 작업구의 상부로 부터 투입시키고 선단의 추진관과 수밀되게 용접하여 추진로드로서 추진시키는 단계를 반복하여 계획된 길이 만큼 관로를 연속 형성하고 이 과정에서 연결된 추진관이 물의 수압으로 부상하지 않도록 굴착한 흙을 되메우기하여 관로를 매설하는 제5단계;Planned by repeating the step of pushing the propulsion rod into the interior of the cylinder, inserting another propulsion pipe between the pressure wheel and the propulsion pipe from the upper part of the work tool, and closely welding the propulsion pipe at the tip to weld it. A fifth step of continuously forming a conduit as long as the length and filling the conduit by refilling the excavated soil so that the propelling pipe connected in this process does not rise due to water pressure;

로 구성됨을 특징으로 하는 하천 고수부지의 관로 매설공법을 제공한다. It provides a method for laying the pipeline of the river high water site, characterized by consisting of.

이와 같이 본 발명은 관로를 매설시 하천으로 부터 유입되는 물을 차단하기 위해 별도의 차수벽을 설치하지 않고 물에 잠긴 관로 매설 수로에 작업구를 가라앉혀 추진잭에 의해 추진관을 추진하는 수중공법으로 관로를 형성하는 것이므로 관로 매설작업을 매우 효율적으로 시공할 수 있을 뿐 아니라 차수벽을 설치하는 이중 작업을 하지 않아도 되므로 시공비용이 절약되고 작업시간도 단축되는 효과가 있다. As described above, the present invention is an underwater construction method of pushing a propulsion pipe by a propulsion jack by sinking a work tool in a pipe buried water channel that is submerged in water without installing a separate water barrier to prevent water from flowing into the river when the pipe is buried. Since the pipeline is formed, it is possible to construct the pipeline laying work very efficiently, as well as eliminating the need for a double operation of installing the water barrier, thereby saving construction cost and shortening the working time.

도 1은 하천의 주위에 매설한 관로를 나타낸 예시도
도 2는 물이 유입된 관로매설부와 작업구를 나타낸 일부 확대 예시도
도 3의 (a)(b)(c)(d)는 본 발명의 시공순서도
도 4는 추진관을 작업구의 밖으로 추진시키고 새로운 추진관을 연결한 상태의 확대도 1 is an exemplary view showing a pipeline buried around a river
Figure 2 is an enlarged view showing a part of the pipeline buried portion and work tools inflow of water
Figure 3 (a) (b) (c) (d) is a construction flow chart of the present invention
4 is an enlarged view of a state in which a propulsion pipe is propelled out of a work tool and a new propulsion pipe is connected.

이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 3의 (a)(b)(c)(d)는 본 발명의 시공순서도로서, 하천의 고수부지에 관로를 매설할 관로 매설부(P)를 계획심도와 길이로 굴착하는 제1단계;Figure 3 (a) (b) (c) (d) is a construction flow chart of the present invention, the first step of excavating the pipeline buried portion (P) to be buried in the high water site of the river with a planned depth and length;

관로매설부(P)에 하천의 수위 높이로 유입된 물의 높이보다 높은 상부가 개방된 작업함체(10)의 내부에 반력벽(20)과 이에 설치된 및 압륜(30)을 선단에 부착한 실린더(40)의 추진로드(40-1)와, 압륜(30)에 연결되어 작업함체(10)의 선단에 관통한 인출공(50)으로 추진되는 추진관(60)으로 구성된 작업구(100)를 제작하는 제2단계;A cylinder with a reaction wall (20) installed therein and a pressure wheel (30) attached to the tip of the inside of the work enclosure (10) with an upper portion higher than the height of the water introduced into the pipeline buried part (P) at the level of the stream ( 40) of the propulsion rod (40-1) and the work tool (100) consisting of a propulsion pipe (60) connected to the pressure wheel (30) and propelled by a withdrawal hole (50) penetrating the distal end of the work enclosure (10) A second step of making;

상기 제2단계에서 제작된 작업구(100)를 물에 잠긴 관로매설부(P)의 선단에 가라앉혀 설치하는 제3단계;A third step of sinking and installing the work tool 100 produced in the second step at the tip of the submerged pipe buried part P;

상기 작업구(100)의 내부에 설치된 실린더(40)의 추진로드(40-1)를 반력벽(20)의 반력으로 인출시켜 선단의 압륜(30)에 설치한 추진관(60)을 작업구(100)의 인출공(50) 밖으로 밀어내는 제4단계;The propulsion pipe 60 installed in the pressure wheel 30 of the distal end by drawing out the propulsion rod 40-1 of the cylinder 40 installed inside the work tool 100 with the reaction force of the reaction wall 20 A fourth step of pushing out the drawing hole 50 of the 100;

상기 추진로드(40-1)를 실린더(40)의 내부로 인입시켜 압륜(30)과 상기 추진관(60)과의 사이에 또 다른 추진관(60)을 작업구(100)의 상부로 부터 투입시키고 선단의 추진관(60)과 수밀되게 용접하여 추진로드(40-1)로서 추진시키는 단계를 반복하여 계획된 길이 만큼 관로를 연속 형성하고 이 과정에서 연결된 추진관(60)이 물의 수압으로 부상하지 않도록 굴착한 흙을 되메우기하여 관로를 매설하는 제5단계;로 구성됨을 특징으로 한다. The propulsion rod (40-1) is drawn into the interior of the cylinder (40), and another propulsion pipe (60) between the pressure wheel (30) and the propulsion pipe (60) from the top of the work tool (100) By inserting and welding the water tightly with the propulsion pipe (60) at the tip, the propulsion rod (40-1) is repeatedly pushed to form a pipeline for a predetermined length, and in this process, the connected propulsion pipe (60) floats due to water pressure. It is characterized in that it consists of; a fifth step of filling the pipeline by backfilling the excavated soil so as not to.

이와같이 된 본 발명은 하천의 주위나 고수부지의 지중에 상하수도 관로나 전력 공급용 지중케이블을 인입하기 위한 관로를 매설시 물에 잠긴 관로매설부(P)에서 수중작업으로 관로를 설치할 수 있도록 한 것으로서, 먼저 도 2 내지 도 3에 도시된 바와 같이 제1단계는 하천의 주위나 고수부지에 관로를 매설할 관로매설부(P)를 계획심도와 길이로 굴착하는 단계로서 포크레인과 같은 굴착장비를 사용하여 굴착할 지면을 계획심도와 길이로서 굴착하게 되면 하천의 물이 침투하여 하천의 수위높이로 유입된다. As described above, the present invention was made to allow a pipeline to be installed by underwater operation in a pipeline buried section (P) submerged in water when laying a pipeline for introducing a water and sewage pipeline or an underground cable for power supply into the ground around a river or at a high water site. First, as shown in FIGS. 2 to 3, the first step is to excavate a pipe laying section P for laying a pipeline around a river or a high water site with a planned depth and length, and use excavation equipment such as a fork lane. Therefore, when excavating the ground to be excavated with the planned depth and length, the water of the river infiltrates and flows into the river's water level.

본 발명의 상기 제1단계는 종래와 같이 물이 침투하지 못하도록 차수벽을 설치하는 것이 아니라 오히려 물이 침투하도록 방치하여 수중작업을 할 수 있게 하는 데 있다. The first step of the present invention is not to install a water barrier to prevent water from penetrating as in the prior art, but rather to allow water to penetrate and allow underwater work.

제2단계에서는 수중작업을 할 수 있도록 작업구(100)를 제작하는 단계로서, 상기 단계에서 관로매설부(P)에 하천의 수위 높이로 유입된 물의 높이보다 높게 제작한 작업함체(10)의 내부 일측벽에 반력벽(20)을 설치하고 상기 반력벽(20)에 압륜(30)을 선단에 부착한 추진로드(40-1)를 설치하며, 상기 압륜(30)에 연결되어 작업함체(10)의 선단에 관통한 인출공(50)으로 추진되는 추진관(60)으로 구성된 작업구(100)를 제작하게 된다. The second step is a step of manufacturing the work tool 100 so that underwater work can be performed. In the step, the working enclosure 10 manufactured higher than the level of the water flowing into the pipeline buried part P at the water level of the river. A reaction force wall (20) is installed on the inner side wall, and a propulsion rod (40-1) is attached to the reaction force wall (20) attached to the front end, and is connected to the pressure wheel (30) to provide a work enclosure ( A work tool 100 consisting of a propulsion pipe 60 propulsed by a drawing hole 50 penetrating the tip of 10) is manufactured.

이때 작업함체(10)의 인출공(50)으로 인출되는 추진관(60)과 인출공(50)의 사이에는 씰에 의해 수밀되게 하고 추진관(60)이 인출공(50)으로 인출될 때에도 관로매설부(P)에 유입된 물이 작업구(100)의 내부로 유입되지 않도록 수밀상태를 유지하게 한다. At this time, between the propulsion pipe 60 and the withdrawal hole 50, which are drawn out to the withdrawal hole 50 of the working enclosure 10, are sealed by a seal, and even when the propulsion pipe 60 is withdrawn through the withdrawal hole 50 It keeps the watertight state so that the water flowing into the pipeline buried portion (P) does not flow into the interior of the work tool (100).

제3단계는 상기 제2단계에서 제작된 작업구(100)를 물에 잠긴 관로매설부(P)의 선단에 가라앉혀 작업구(100)를 고정 설치하는 단계로서, 작업구(100)는 관로매설부(P)에 유입된 물의 수위보다 높게 형성되어 있으므로 개방된 상부를 통해 물이 유입되지 않게 되고 특히, 선단의 인출공(50)에 인출 가능하도록 설치된 추진관(60)과 인출공(50)의 사이에는 씰에 의해 수밀된 상태이므로 작업구(100)의 내부는 물이 유입되지 않게 된다. (도 3의 b 참조) The third step is a step of fixing the work tool 100 by immersing the work tool 100 produced in the second step at the tip of the pipe buried part P submerged in water, and the work tool 100 is a conduit Since it is formed higher than the water level in the buried part (P), water does not flow through the open upper part. In particular, the propulsion pipe 60 and the withdrawal hole 50 installed so as to be able to withdraw from the withdrawal hole 50 at the tip ), Water is not introduced into the interior of the work tool 100 because it is watertight by the seal. (See b in Fig. 3)

상기와 같이 작업구(100)가 관로매설부(P)의 수중에 고정 설치되면 도 3의 (c)와 같이 제4단계로서 실린더(40)의 추진로드(40-1)를 인출하여 반력벽(20)의 반력으로 압륜(30)에 의해 추진관(60)을 작업구(100)의 인출공(50) 밖으로 밀어 추진시키게 되면 관로매설부(P)는 이미 굴착되어 물만 차있는 상태이므로 추진관(60)은 적은 힘으로도 추진되어 인출공(50)의 밖으로 인출된다. When the work tool 100 is fixedly installed in the water of the pipeline buried portion P as described above, the reaction force wall is drawn out by pulling out the propulsion rod 40-1 of the cylinder 40 as a fourth step as shown in FIG. 3 (c). When the propulsion pipe 60 is pushed out of the withdrawal hole 50 of the work tool 100 by the pressure wheel 30 with the reaction force of (20), the pipeline buried part P is already excavated and only filled with water. The tube 60 is pushed out with a small force and is drawn out of the drawing hole 50.

이와같이 한개의 추진관(60)이 작업구(100)의 인출공(50)으로 인출되면 제5단계에서 추진로드(40-1)를 실린더(40)의 내부로 인입시키게 되는 데, 추진로드(40-1)가 실린더(40)의 내부로 인입되면 추진관(60)이 작업구(100)의 밖으로 인출된 상태이므로 추진로드(40-1)의 압륜(30)과 인출된 선단의 추진관(60)과의 사이에 공간이 형성됨에 따라 이에 또 다른 추진관(60)을 작업구(100)의 상부로 부터 투입시키고 선단의 추진관(60)과 수밀되게 용접하게 되면 선단의 추진관(60)의 후미에 또다른 추진관(60)이 연결된 상태가 되며 이 상태에서 전기한 바와 같이 추진로드(40-1)를 인출시켜 추진관(60)을 밀어내게 되면 추진관(60)은 계속 앞으로 추진되므로 전기와 같은 방식으로 계획된 길이 만큼 추진관(60)을 연속 추진시키게 되면 관로는 수중작업으로 설치할 수 있게 되는 데 추진관(60)을 연속 추진하는 과정에서 관로매설부(P)에는 물이 차이 있으므로 추진관(60)의 길이가 조금씩 길어지는 경우 물에 부상할 수 있으므로 추진관(60)을 추진하면서 굴착한 흙을 되메우기 하면 추진관(60)의 부상을 방지하면서 관로를 매설할 수 있는 것이다. In this way, when one propulsion pipe 60 is drawn out to the withdrawal hole 50 of the work tool 100, the propulsion rod 40-1 is introduced into the cylinder 40 in the fifth step. When the 40-1) is drawn into the interior of the cylinder 40, the propulsion pipe 60 is drawn out of the work tool 100, and thus the push wheel 30 of the propulsion rod 40-1 and the propulsion pipe of the withdrawn tip When a space is formed between (60) and another propulsion pipe (60) is inputted from the upper part of the work tool (100) and welded watertightly with the propulsion pipe (60) at the tip, the propulsion pipe at the tip ( Another propulsion pipe 60 is connected to the tail of 60), and the propulsion pipe 60 continues to move forward when the propulsion pipe 60 is pushed out by pulling out the propulsion rod 40-1 as described in this state. Since the propulsion pipe 60 is continuously propelled for a predetermined length in the same manner as electricity, the pipe can be installed by underwater work. During the continuous propulsion of the propulsion pipe 60, water is supplied to the pipe buried part P. Because of the difference, if the length of the propulsion pipe 60 is gradually increased, it may be injured in the water, so when filling the excavated soil while pushing the propulsion pipe 60, the pipeline can be buried while preventing the propulsion pipe 60 from being injured. will be.

이와같은 단계를 거쳐 관로가 매설되면 작업구(100)를 관로매설부(P)로 부터 빼내어 흙으로 되메우기 하면 관로 매설 작업이 종료된다. When the pipeline is buried through these steps, the pipeline is buried when the work tool 100 is taken out of the pipeline buried part P and filled with soil.

이와같이 본 발명은 종래와 같이 차수벽을 설치하지 않고 물이 유입된 상태에서 수중작업으로 추진관(60)을 추진하는 방식으로 관로를 매설하는 것이므로 시공이 간편하고 시공비용이 절감될 뿐 아니라 시공기간도 단축되는 등 여러가지의 우수한 효과가 있다. As described above, the present invention is a method of laying a pipe in a manner of pushing the propulsion pipe 60 by underwater work in a state in which water is introduced without installing a water barrier, so that the construction is convenient and the construction cost is reduced as well as the construction period. There are various excellent effects such as shortening.

10 : 작업함체 20 : 반력벽 30 : 압륜 40 : 실린더 40-1 : 추진로드 50 : 인출공 60 : 추진관 100 : 작업구 P : 관로매설부10: work enclosure 20: reaction wall 30: rolling wheel 40: cylinder 40-1: propulsion rod 50: withdrawal hole 60: propulsion tube 100: work tool P: pipeline buried part

Claims (1)

하천의 고수부지에 관로를 매설할 관로매설부(P)를 계획심도와 길이로 굴착하는 제1단계;
관로매설부(P)에 하천의 수위 높이로 유입된 물의 높이보다 높고 상부가 개방된 작업함체(10)의 내부에 반력벽(20)과 이에 설치된 및 압륜(30)을 선단에 부착한 실린더(40)의 추진로드(40-1)와, 압륜(30)에 연결되어 작업함체(10)의 선단에 관통한 인출공(50)으로 추진되는 추진관(60)으로 구성된 작업구(100)를 제작하는 제2단계;
상기 제2단계에서 제작된 작업구(100)를 물에 잠긴 관로매설부(P)의 선단에 가라앉혀 설치하는 제3단계;
상기 작업구(100)의 내부에 설치된 실린더(40)의 추진로드(40-1)를 반력벽(20)의 반력으로 인출시켜 선단의 압륜(30)에 설치한 추진관(60)을 작업구(100)의 인출공(50) 밖으로 밀어내는 제4단계;
상기 추진로드(40-1)를 실린더(40)의 내부로 인입시켜 압륜(30)과 상기 추진관(60)과의 사이에 또 다른 추진관(60)을 작업구(100)의 상부로 부터 투입시키고 선단의 추진관(60)과 수밀되게 용접하여 추진로드(40-1)로서 추진시키는 단계를 반복하여 계획된 길이 만큼 관로를 연속 형성하고 이 과정에서 연결된 추진관(60)이 물의 수압으로 부상하지 않도록 굴착한 흙을 되메우기하여 관로를 매설하는 제5단계;
로 구성됨을 특징으로 하는 하천 고수부지의 관로 매설공법.










A first step of excavating a pipeline laying section (P) for laying a pipeline at a high water site in a river at a planned depth and length;
A cylinder with a reaction wall (20) installed on the inside of the work enclosure (10) higher than the height of the water flowing into the pipeline buried part (P) at the water level of the river, and a pressure wheel (30) installed thereon and attached to the tip ( 40) of the propulsion rod (40-1) and the work tool (100) composed of a propulsion pipe (60) connected to the pressure wheel (30) and propelled by a withdrawal hole (50) penetrating the distal end of the work enclosure (10) A second step of making;
A third step of immersing and installing the work tool 100 produced in the second step at the tip of the submerged pipe buried part P;
The propulsion pipe 60 installed in the pressure wheel 30 of the distal end by drawing out the propulsion rod 40-1 of the cylinder 40 installed inside the work tool 100 with the reaction force of the reaction wall 20 A fourth step of pushing out the drawing hole 50 of the 100;
The propulsion rod (40-1) is drawn into the interior of the cylinder (40), and another propulsion pipe (60) between the pressure wheel (30) and the propulsion pipe (60) from the top of the work tool (100) By inserting and welding closely with the propulsion pipe (60) at the tip, the propulsion rod (40-1) is repeatedly propelled as a propulsion rod (40-1) to continuously form a pipeline for a planned length, and in this process, the connected propulsion pipe (60) floats with water pressure. A fifth step of filling the pipeline by filling back the excavated soil so as not to;
It is composed of a pipeline laying method of a high water site in a river.










KR1020190074908A 2019-06-24 2019-06-24 laying method for a drain pipe in a high-level stream area KR102114583B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000282496A (en) * 1999-03-31 2000-10-10 Taisei Corp Laying method for pipe line in water
KR101177741B1 (en) * 2012-04-13 2012-08-29 (주)유니트엔지니어링 Pipeline rehabilitation method using guide pipe with braking hydraulic jack
KR101944262B1 (en) * 2018-09-12 2019-01-30 주식회사 강물 Simultaneous propulsion construction method using double pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000282496A (en) * 1999-03-31 2000-10-10 Taisei Corp Laying method for pipe line in water
KR101177741B1 (en) * 2012-04-13 2012-08-29 (주)유니트엔지니어링 Pipeline rehabilitation method using guide pipe with braking hydraulic jack
KR101944262B1 (en) * 2018-09-12 2019-01-30 주식회사 강물 Simultaneous propulsion construction method using double pipe

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