KR100719883B1 - Drainage of tunnels - Google Patents

Drainage of tunnels Download PDF

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Publication number
KR100719883B1
KR100719883B1 KR1020060113585A KR20060113585A KR100719883B1 KR 100719883 B1 KR100719883 B1 KR 100719883B1 KR 1020060113585 A KR1020060113585 A KR 1020060113585A KR 20060113585 A KR20060113585 A KR 20060113585A KR 100719883 B1 KR100719883 B1 KR 100719883B1
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South Korea
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drainage
concrete
diaphragm
tunnel
height
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KR1020060113585A
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Korean (ko)
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양현
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주식회사 진우엔지니어링
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • E21F16/02Drainage of tunnels

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

본 발명은 1차복공콘크리트와 2차복공큰크리트 사이에 고정배치된 방수시트판넬로부터 유도되어진 침투수를 받아 바닥배수로 측으로 유도시켜 배수처리하는 터널내부의 배수구조에 있어서; 상기 방수시트판넬은 단면이 "H"형상의 스틸보강재로 이루어지고, 그 내외측면은 고무재표피로 이루어지되, 1차복공콘크리트와 접하는 외측면에는 다수개의 침투수유입공이 형성되며; 상기 바닥배수로에 통공을 갖는 다수개의 격판이 일렬로 배열되어 수직기립되되, 다수개 격판의 내측은 도로의 아스콘 높이로 이루어져 중심에는 힌지축에 의해 축결합되고, 2차복공콘크리트와 대면하는 격판의 외측은 내측 높이의 두배 높이로 이루어지며, 하부와 상부는 다수개의 연결바에 의해서 일정 수량의 격판이 연결고정되고, 하단에는 내측으로 다수개의 반원홈인 배수공이 형성되어 배수가 이루어지며, 외측상면에는 작업자가 작업시 통행하는 작업통행로로 이용되고, 청소시 힌지축을 축으로 일정수량의 격판만을 90도 회동시켜 바닥배수로를 청소할 수 있는 회동그레이팅(grating)을 구비하는 도로 터널 내부의 배수처리시설에 관한 것이다.The present invention provides a drainage structure in a tunnel for receiving the infiltration water derived from the waterproof sheet panel fixedly disposed between the primary recovery concrete and the secondary recovery large concrete to guide the drainage to the floor drainage; The waterproof sheet panel is made of a steel reinforcement of the cross-section "H" shape, the inner and outer sides are made of a rubber material skin, a plurality of infiltration water inlet holes are formed on the outer surface in contact with the primary perforated concrete; A plurality of diaphragm having a through hole in the bottom drainage line is arranged in a vertical line, the inner side of the plurality of diaphragm is made of ascon height of the road is axially coupled by a hinge axis in the center of the diaphragm facing the secondary perforated concrete The outer side is made of twice the height of the inner height, the lower part and the upper part is fixed by a plurality of connecting bars by a plurality of connecting bars, the lower end of the plurality of semicircular grooves drainage holes are formed to form a drainage, Regarding the drainage treatment facility inside a road tunnel, which is used as a work passage for workers to work, and has a grading to clean the floor drainage path by rotating a certain amount of diaphragm 90 degrees around the hinge axis when cleaning. will be.

이러한 본 발명은 터널 측벽 하부에 매립설치되는 배수관의 구조를 효율적으로 개선하여 시공의 간편화와 배수의 원활화 및 2차복공콘크리트의 잠식최소화를 추구하여 터널의 시공 및 유지보수관리의 보다 용이하게 이룰 수 있는 효과가 있다.The present invention can efficiently achieve the construction and maintenance management of the tunnel by pursuing the structure of the drain pipe to be buried in the lower side of the tunnel side efficiently to facilitate the construction and facilitate the drainage and to minimize the corrosion of the secondary recovery concrete. It has an effect.

방수시트판넬, 회동그레이팅, 힌지축, 1차복공콘크리트, 2차복공콘크리트 Waterproof sheet panel, rotating grating, hinge shaft, primary reclaimed concrete, secondary reclaimed concrete

Description

도로 터널 내부의 배수처리시설{DRAINAGE OF TUNNELS}Drainage treatment facility inside road tunnel {DRAINAGE OF TUNNELS}

도 1은 본 발명 실시 예인 도로 터널 내부의 배수처리시설의 사용상태를 보인 요부확대 사시도, 1 is an enlarged perspective view illustrating main parts of a wastewater treatment facility in a road tunnel according to an embodiment of the present invention;

도 2는 본 발명 실시 예인 도로 터널 내부의 배수처리시설의 시공모습을 보인 요부확대 정단면도, 2 is an enlarged front sectional view showing main part enlargement of the construction of the wastewater treatment facility in the road tunnel according to the embodiment of the present invention;

도 3은 도 1의 A-A'선 확대 단면도, 3 is an enlarged cross-sectional view taken along line AA ′ of FIG. 1;

도 4는 본 발명 실시 예인 도로 터널 내부의 배수처리시설인 방수시트판넬의 모습을 확대한 정면도.Figure 4 is an enlarged front view of the appearance of the waterproof seat panel drainage facility inside the road tunnel according to an embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 회동그레이팅 11 : 격판10: rotating grating 11: diaphragm

12 : 통공 13 : 힌지축12: through hole 13: hinge axis

14 : 연결바 15 : 배수공14: connecting bar 15: drain hole

20 : 방수시트판넬 21 : 스틸보강재20: waterproof sheet panel 21: steel reinforcement

22 : 고무재표피 23 : 침투수유입공22: rubber skin 23: infiltration water inlet hole

30 : 1차복공콘크리트 31 : 2차복공콘크리트30: 1st recovery concrete 31: 2nd recovery concrete

40 : 바닥콘크리트 41 : 바닥배수로40: floor concrete 41: floor drain

50 : 도로 아스콘50: Ascon Road

본 발명은 도로 터널 내부의 배수처리시설에 관한 것으로서, 보다 상세하게는 터널 측벽 하부에 매립설치되는 배수관의 구조를 효율적으로 개선하여 시공의 간편화와 배수의 원활화 및 2차복공콘크리트의 잠식최소화를 추구하여 터널의 시공 및 유지보수관리의 보다 용이하게 이룰 수 있는 도로 터널 내부의 배수처리시설에 관한 것이다.The present invention relates to a drainage treatment facility in a road tunnel, and more particularly, to efficiently improve the structure of a drain pipe installed in a lower part of the tunnel sidewall, thereby simplifying construction, facilitating drainage, and minimizing encroachment of secondary repaired concrete. The present invention relates to a wastewater treatment facility within a road tunnel that can be more easily achieved in the construction and maintenance of the tunnel.

일반적으로 터널내로 유입된 지하수를 유도처리하는 방식을 살펴보면, 1차복공콘크리트로 침투한 지하수는 터널측벽의 하부에 설치한 배수관으로 유도되어 배수로 또는 주배수관으로 유도배수처리되는 종래의 터널측벽배수는 부직포로서 감싸진 일정크기(지름)를 갖는 한 개의 배수관을 필터콘크리트(자갈, 시멘트로 혼합된 것)로 보호하여 시공하였거나, 또는 크기(지름)가 작은 다수의 배수관을 수직으로 배치시켜 시공한 구조를 갖는다.In general, the method of induction treatment of groundwater introduced into the tunnel, the conventional tunnel sidewall drainage is the groundwater infiltrated into the primary recovery concrete is guided to the drain pipe installed in the lower portion of the tunnel side wall to the drainage or main drainage pipe One drain pipe with a certain size (diameter) wrapped as a non-woven fabric is protected by filter concrete (mixed with gravel, cement) or constructed by vertically arranging a plurality of water pipes with small size (diameter) Has

그러나, 전자인 일정크기의 배수관을 필터콘크리트로서 보호한 구조는 터널내로 유입되는 지하수에 의해 필터콘크리트의 재료분리현상으로 인하여 내구성이 저하되는 폐단이 초래되었을 뿐만 아니라 필터콘크리트는 부직포에 의해 감싸여진 상태이므로 방수시트 설치작업, 2차복공콘크리트시공 또는 터널내 각종작업시 접촉 내지는 타격으로 인하여 당초의 위치에서 이탈되거나, 배수관 주위에 전혀 공간이 확보되지 못한 상태이므로 침전물이 배수관내에 쌓여지는 현상이 발생되었고, 이로 인하여 배수가 원활하게 이루어지지 못하였다. 또 2차복공콘크리트가 필터콘크리트에 의해 잠식되어진 상태이므로 내구성이 저하되는 문제점이 초래되었다.However, the structure that protects the former drain pipe of the certain size as filter concrete not only caused the end of durability degradation due to material separation of the filter concrete by groundwater flowing into the tunnel, but also the filter concrete is surrounded by nonwoven fabric. As a result of the installation of the waterproof sheet, the construction of the secondary reinforcement concrete, or the various operations in the tunnel, the contact or the impact caused it to escape from the original position, or because no space was secured around the drain pipe, the sediment was accumulated in the drain pipe. Because of this, the drainage did not occur smoothly. In addition, since secondary secondary concrete is encroached by filter concrete, durability has been reduced.

한편, 후자인 크기가 작은 다수개의 배수관을 배치시켜서 된 구조는 앞에서 설명된 구조에서 2차복공콘크리트의 잠식정도를 어느정도 해결하였으나, 이는 배수관을 다단수직 설치하여야 하므로 시공이 난이하고 전자의 경우와 마찬가지로 터널내 각종작업(방수시트설치작업, 2차복공콘크리트시공 따위)시 이탈할 염려가 있었다.On the other hand, the structure of the latter by placing a plurality of small drain pipes solved the degree of erosion of the secondary perforated concrete to some extent in the structure described above, but this is difficult to construct because the drain pipe must be installed in multiple stages vertically, as in the former case There was a risk of leaving the tunnel during the various work in the tunnel (installation of waterproof sheet, construction of secondary repaired concrete, etc.).

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 터널 측벽 하부에 매립설치되는 배수관의 구조를 효율적으로 개선하여 시공의 간편화와 배수의 원활화 및 2차복공콘크리트의 잠식최소화를 추구하여 터널의 시공 및 유지보수관리의 보다 용이하게 이룰 수 있는 도로 터널 내부의 배수처리시설을 제공함에 그 목적이 있다.The present invention is to solve the above problems, by efficiently improving the structure of the drain pipe is buried in the lower side of the tunnel side, the construction of the tunnel in order to simplify the construction and facilitate the drainage and minimize the corrosion of the secondary perforated concrete The purpose is to provide a wastewater treatment facility inside a road tunnel that can be more easily achieved in maintenance management.

이와 같은 목적을 달성하기 위하여, 본 발명은 1차복공콘크리트와 2차복공큰크리트 사이에 고정배치된 방수시트판넬로부터 유도되어진 침투수를 받아 바닥배수로 측으로 유도시켜 배수처리하는 터널내부의 배수구조에 있어서;In order to achieve the above object, the present invention in the drainage structure inside the tunnel receiving the infiltration water derived from the waterproof sheet panel fixedly disposed between the primary and the secondary porous concrete to guide the drainage to the floor drainage ;

상기 방수시트판넬은 단면이 "H"형상의 스틸보강재로 이루어지고, 그 내외측면은 고무재표피로 이루어지되, 1차복공콘크리트와 접하는 외측면에는 다수개의 침투수유입공이 형성되며;The waterproof sheet panel is made of a steel reinforcement of the cross-section "H" shape, the inner and outer sides are made of a rubber material skin, a plurality of infiltration water inlet holes are formed on the outer surface in contact with the primary perforated concrete;

상기 바닥배수로에 통공을 갖는 다수개의 격판이 일렬로 배열되어 수직기립되되, 다수개 격판의 내측은 도로의 아스콘 높이로 이루어져 중심에는 힌지축에 의해 축결합되고, 2차복공콘크리트와 대면하는 격판의 외측은 내측 높이의 두배 높이로 이루어지며, 하부와 상부는 다수개의 연결바에 의해서 일정 수량의 격판이 연결고정되고, 하단에는 내측으로 요부형성된 다수개의 반원홈인 배수공이 형성되어 배수가 이루어지며, 외측상면에는 작업자가 작업시 통행하는 작업통행로로 이용되고, 청소시 힌지축을 축으로 일정수량의 격판만을 90도 회동시켜 바닥배수로를 청소할 수 있는 회동그레이팅(grating)을 구비하는 특징이 있다.A plurality of diaphragm having a through hole in the bottom drainage line is arranged in a vertical line, the inner side of the plurality of diaphragm is made of ascon height of the road is axially coupled by a hinge axis in the center of the diaphragm facing the secondary perforated concrete The outer side is made of twice the height of the inner height, the lower portion and the upper portion is fixed by a plurality of connecting bars by a plurality of connecting bars, the lower end is formed with a plurality of semicircular grooves drainage holes formed in the inner side is drained, The upper surface is used as a work passage for the worker to pass at the time of work, and has a characteristic of having a rotational grating that can clean the bottom drainage by rotating a certain amount of diaphragm 90 degrees around the hinge axis when cleaning.

이하, 본 발명을 첨부된 도면에 의해 보다 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명 실시 예인 도로 터널 내부의 배수처리시설의 사용상태를 보인 요부확대 사시도이고, 도 2는 본 발명 실시 예인 도로 터널 내부의 배수처리시설의 시공모습을 보인 요부확대 정단면도이며, 도 3은 도 1의 A-A'선 확대 단면도이고, 도 4는 본 발명 실시 예인 도로 터널 내부의 배수처리시설인 방수시트판넬의 모습을 확대한 정면도이다.1 is an enlarged perspective view showing a main portion of a wastewater treatment facility in a road tunnel according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a main portion enlargement showing a construction of a wastewater treatment facility in a road tunnel according to an embodiment of the present invention. 3 is an enlarged cross-sectional view taken along line AA ′ of FIG. 1, and FIG. 4 is an enlarged front view of a waterproof sheet panel, which is a drainage facility inside a road tunnel according to an exemplary embodiment of the present invention.

참고로 본 고안을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 고안의 요지를 불필요하게 흐릴 수 있다고 판단될 경우에는 그 상세한 설명을 생략하였다.For reference, in describing the present invention, when it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof is omitted.

또한, 후술되는 용어들은 본 고안에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운영자의 의도 또는 관례 등에 따라 달라질 수 있다.In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or an operator.

그러므로, 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것 임은 물론이다.Therefore, the definition should be made based on the contents throughout the specification.

본 발명 도로 터널 내부의 배수처리시설은, 1차복공콘크리트(30)와 2차복공큰크리트(31) 사이에 고정배치된 방수시트판넬(20)로부터 유도되어진 침투수를 받아 바닥콘크리트(40)의 바닥배수로(41) 측으로 유도시켜 배수처리하는 것으로, 상기 방수시트판넬(20)은 단면이 "H"형상의 스틸보강재(21)로 이루어지고, 그 내외측면은 고무재표피(22)로 이루어지되, 1차복공콘크리트와 접하는 외측면에는 다수개의 침투수유입공(23)이 형성된다.The wastewater treatment facility in the road tunnel of the present invention receives the infiltration water induced from the waterproof sheet panel 20 fixedly disposed between the primary recovery concrete 30 and the secondary recovery large concrete 31 of the floor concrete 40. The water drainage sheet panel 20 is guided to the bottom drain 41 and drained, and the waterproof sheet panel 20 is made of steel reinforcement 21 having a cross-section "H", and the inner and outer sides are made of a rubber skin 22. , The outer surface in contact with the primary recovery concrete is formed with a plurality of infiltration water inlet 23.

상기 바닥콘크리트(40)의 바닥배수로(41)에는 통공(12)을 갖는 다수개의 격판(11)이 일렬로 배열되어 수직기립되되, 다수개 격판(11)의 내측은 도로의 아스콘(50) 높이로 이루어져 중심에는 힌지축(13)에 의해 축결합되고, 2차복공콘크리트(31)와 대면하는 격판(11)의 외측은 내측 높이의 두배 높이로 이루어지며, 격판(11)의 하부와 상부는 다수개의 연결바(14)에 의해서 일정 수량의 격판(11)이 각각 연결고정되고, 하단에는 내측으로 요부형성된 다수개의 반원홈인 배수공(15)이 형성되어 바닥배수로(41)에 배수가 이루어지며, 외측상면에는 작업자가 작업시 통행하는 작업통행로로 이용되고, 청소시 힌지축(13)을 축으로 연결바(14)에 의해 연결고정된 일정수량의 격판(11)만을 90도 회동시켜 바닥배수로(41)를 청소할 수 있는 회동그레이팅(grating)(10)이 구비된다.In the bottom drain passage 41 of the bottom concrete 40, a plurality of diaphragms 11 having a through hole 12 are arranged in a row and vertically erected, and the inner side of the plurality of diaphragms 11 is the height of the ascon 50 of the road. Consisting of the hinge shaft (13) in the center consisting of, the outer side of the diaphragm (11) facing the secondary perforated concrete (31) is made of twice the height of the inner height, the lower and upper portion of the diaphragm (11) A predetermined number of plates 11 are connected and fixed by a plurality of connecting bars 14, and a plurality of semicircular grooves having drainage holes 15 are formed at the bottom thereof to drain the bottom drain 41. On the outer upper surface, it is used as a work passage for the worker to pass through at the time of work, and when cleaning, only a certain amount of the plate 11 connected by the connecting bar 14 is rotated 90 degrees to the floor drainage by the hinge shaft 13 to the shaft. A rotatable grating 10 capable of cleaning 41 is provided.

이와 같은 본 발명은, 1차복공콘크리트(30)로 유입된 침투수가 방수시트판넬(20) 외측면의 침투수유입공(23)을 통해 방수시트판넬(20) 내부로 유입되어 바닥콘크리트(40)의 바닥배수로(41)로 유도되어 바닥배수로(41)와 회동그레이팅(10)의 배수공(15)을 통해서 배수된다. The present invention as described above, the infiltration water introduced into the primary perforated concrete 30 is introduced into the waterproof sheet panel 20 through the infiltration water inlet 23 of the outer surface of the waterproof sheet panel 20 to the bottom concrete 40 It is guided to the bottom drain 41 of the drain is drained through the drain hole 41 of the bottom drain 41 and the rotating grating (10).

작업자는 회동그레이팅(10)의 외측상면을 밟고서 이동통로로 사용하다가 바닥콘크리트(40)의 바닥배수로(41) 저면에 이물질이 발견되면, 힌지축(13)을 중심으로 다수개 연결바(14)에 의해 일정수량의 격판(11)이 연결고정된 회동그레이팅(10)의 일부를 도 1과 같이, 90도로 회동시킨 다음, 바닥배수로(41)의 이물질을 제거하고 원위치시키면 된다.When the worker steps on the outer upper surface of the rotating grading 10 and uses foreign substances on the bottom of the bottom drain 41 of the floor concrete 40, foreign matters are found, the plurality of connecting bars 14 around the hinge shaft 13. 1) by rotating a portion of the rotating grating 10 is fixed to a certain amount of diaphragm 11, as shown in Figure 1, 90 degrees, and then remove the foreign matter in the bottom drain 41 to the original position.

이와 같이, 본 발명은 터널 측벽 하부에 매립설치되는 배수관의 구조를 효율적으로 개선하여 시공의 간편화와 배수의 원활화 및 2차 복공콘크리트의 잠식최소화를 추구하여 터널의 시공 및 유지보수관리의 보다 용이하게 이룰 수 있는 효과가 있다.As described above, the present invention efficiently improves the structure of the drain pipe installed in the lower portion of the tunnel sidewall to simplify the construction, facilitate the drainage, and minimize the encroachment of the secondary perforated concrete to facilitate the construction and maintenance of the tunnel. There is an effect that can be achieved.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (1)

1차복공콘크리트와 2차복공큰크리트 사이에 고정배치된 방수시트판넬로부터 유도되어진 침투수를 받아 바닥배수로 측으로 유도시켜 배수처리하는 터널내부의 배수구조에 있어서;In the drainage structure inside the tunnel for receiving the infiltration water derived from the waterproof sheet panel fixedly disposed between the primary recovery concrete and the secondary recovery large concrete to guide the drainage to the floor drainage; 상기 방수시트판넬은 단면이 "H"형상의 스틸보강재로 이루어지고, 그 내외측면은 고무재표피로 이루어지되, 1차복공콘크리트와 접하는 외측면에는 다수개의 침투수유입공이 형성되며;The waterproof sheet panel is made of a steel reinforcement of the cross-section "H" shape, the inner and outer sides are made of a rubber material skin, a plurality of infiltration water inlet holes are formed on the outer surface in contact with the primary perforated concrete; 상기 바닥배수로에 통공을 갖는 다수개의 격판이 일렬로 배열되어 수직기립되되, 다수개 격판의 내측은 도로의 아스콘 높이로 이루어져 중심에는 힌지축에 의해 축결합되고, 2차복공콘크리트와 대면하는 격판의 외측은 내측 높이의 두배 높이로 이루어지며, 하부와 상부는 다수개의 연결바에 의해서 일정 수량의 격판이 연결고정되고, 하단에는 내측으로 요부형성된 다수개의 반원홈인 배수공이 형성되어 배수가 이루어지며, 외측상면에는 작업자가 작업시 통행하는 작업통행로로 이용되고, 청소시 힌지축을 축으로 일정수량의 격판만을 90도 회동시켜 바닥배수로를 청소할 수 있는 회동그레이팅(grating)을 구비하는 도로 터널 내부의 배수처리시설.A plurality of diaphragm having a through hole in the bottom drainage line is arranged in a vertical line, the inner side of the plurality of diaphragm is made of ascon height of the road is axially coupled by a hinge axis in the center of the diaphragm facing the secondary perforated concrete The outer side is made of twice the height of the inner height, the lower portion and the upper portion is fixed by a plurality of connecting bars by a plurality of connecting bars, the lower end is formed with a plurality of semicircular grooves drainage holes formed in the inner side is drained, The upper surface is used as a work passage for workers to work on, and the drainage treatment facility inside the road tunnel is equipped with a rotating grading for cleaning the floor drainage path by rotating a certain amount of diaphragm 90 degrees around the hinge axis when cleaning. .
KR1020060113585A 2006-11-17 2006-11-17 Drainage of tunnels KR100719883B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377254A (en) * 2020-11-29 2021-02-19 河南基兆建筑工程有限公司 Tunnel drainage device with push-down type pressurizing structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010035784A (en) * 1999-10-02 2001-05-07 변무원 A Partition Wall Structure and a Process for Partitioning Walls in a Water Treatment Site
KR20040034292A (en) * 2002-10-23 2004-04-28 신촌종합건설(주) Tunnel structure carried out by double construction method using corrugated steel plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010035784A (en) * 1999-10-02 2001-05-07 변무원 A Partition Wall Structure and a Process for Partitioning Walls in a Water Treatment Site
KR20040034292A (en) * 2002-10-23 2004-04-28 신촌종합건설(주) Tunnel structure carried out by double construction method using corrugated steel plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377254A (en) * 2020-11-29 2021-02-19 河南基兆建筑工程有限公司 Tunnel drainage device with push-down type pressurizing structure

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