KR20000072175A - Waterproof sheet for tunnel waterproofing - Google Patents

Waterproof sheet for tunnel waterproofing Download PDF

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Publication number
KR20000072175A
KR20000072175A KR1020000046476A KR20000046476A KR20000072175A KR 20000072175 A KR20000072175 A KR 20000072175A KR 1020000046476 A KR1020000046476 A KR 1020000046476A KR 20000046476 A KR20000046476 A KR 20000046476A KR 20000072175 A KR20000072175 A KR 20000072175A
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KR
South Korea
Prior art keywords
waterproof sheet
tunnel
waterproof
nonwoven fabric
waterproofing
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KR1020000046476A
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Korean (ko)
Inventor
양영규
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양영규
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Priority to KR1020000046476A priority Critical patent/KR20000072175A/en
Publication of KR20000072175A publication Critical patent/KR20000072175A/en
Priority to KR1020000075706A priority patent/KR20020013686A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2450/00Gaskets
    • E02D2450/10Membranes
    • E02D2450/105Membranes impermeable
    • E02D2450/106Membranes impermeable for liquids
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

Abstract

PURPOSE: A waterproof sheet is provided to easily waterproof a tunnel by being integrated with an unwoven fabric and to increase water drainage with a pored pipe placed on the unwoven fabric. CONSTITUTION: A waterproof sheet(1) is installed inside a shotcrete(S) poured into a basic tunnel. The waterproof sheet and an unwoven fabric are layered each other to be integrated and the waterproof sheet is connected to the other sheet by a thermal bonding method. The continuously connected waterproof sheets are fixed to the shotcrete layer using a fixing nail(T) and a lining concrete(R) is poured into the waterproof layer. Therefore, underground water is prevented from being permeated through the tunnel.

Description

터널방수공용 방수시트{.}Waterproof sheet for tunnel waterproofing {.}

본 발명은 터널을 굴착 형성함에 있어서 터널에 방수성능을 부여하기 위하여 이용되는 터널방수공용 방수시트에 관한 것이다.The present invention relates to a waterproof sheet for tunnel waterproofing used to provide waterproof performance to the tunnel in the excavation of the tunnel.

배수성능에 따른 터널의 종류로는 크게 배수터널과 방수터널로 분류되고 대부분의 경우 수압을 받지 않는 배수터널이 널리 시행되고 있다. 여기서 배수터널과 방수터널은 dd터널의 전단면에 방수공을 하는 것에 있어서는 동일한 같으나 배수터널의 경우는 일정한 장소로 집수하여 배수하는 구조가 방수터널과 다를 뿐이다.Tunnels according to drainage performance are classified into drainage tunnels and waterproof tunnels. In most cases, drainage tunnels that do not receive hydraulic pressure are widely used. Here, the drainage tunnel and the waterproof tunnel are the same in the case of making a waterproof hole in the front end surface of the dd tunnel, but in the case of the drainage tunnel, the structure of collecting and draining to a certain place is different from the waterproof tunnel.

터널을 굴착 형성하는 터널공은 도 6 및 도 7에 도시된 바와 같이 먼저 완성 터널보다 약간 큰 반원형 단면형상으로 기초터널(100)을 굴착 형성한 후 기초터널(100)의 내면에 숏크리트를 타설하고 숏크리트층(101)의 내면에 방수공을 시행하며 방수층(102)의 내면에 라이닝콘크리트(103)를 타설함으로서 완성된다.Tunnel hole excavation to form the tunnel, as shown in Figs. 6 and 7 first excavated and formed the foundation tunnel 100 in a semi-circular cross-sectional shape slightly larger than the completed tunnel, and then shotcrete on the inner surface of the foundation tunnel 100 Waterproofing is applied to the inner surface of the shotcrete layer 101 and completed by pouring lining concrete 103 on the inner surface of the waterproofing layer 102.

한편 상기와 같이 터널공을 함에 있어서 터널에 방수성능을 부여하기 위한 종래의 방수공법은 기초터널의 내면에 타설된 숏크리트 내면에 폴리에스터나 폴리프로필렌으로 직조되고 일정한 두께와 투수성을 갖는 부직포를 부착한 후 부직포 표면에 EVA, ECB, PVC 필름으로 되고 소요의 강도와 수밀성이 우수한 방수시트를 부착하는 방법으로 시행하고 있다. 그리고 여기서 방수시트는 열융착에 의한 방법으로 연속하여 연결하고 있으며 이와 같이 방수공을 함으로서 지하수가 라이닝콘크리트에 스며드는 것을 방지하여 누수방지는 물론 터널의 수명을 연장하도록 하고 있다.On the other hand, the conventional waterproofing method for imparting waterproofing performance to the tunnel in the tunnel hole as described above is attached to the inner surface of the shot tunnel woven with polyester or polypropylene on the inner surface of the shot tunnel, and attaches a nonwoven fabric having a constant thickness and permeability. After that, EVA, ECB, PVC film on the surface of the non-woven fabric is carried out by attaching a waterproof sheet having excellent strength and watertightness. And here, the waterproof sheet is continuously connected by the method of heat fusion, and by waterproofing in this way, groundwater is prevented from penetrating the lining concrete to prevent leakage and extend the life of the tunnel.

그런데 상기와 같은 종래의 방수공은 터널의 천정부에서 행하는 것이므로 근본적으로 많은 인력과 시간이 소요되는 것이기는 하나 숏크리트의 내면에 부직포를 부착하고 그 내측 표면에 방수시트를 부착하는 2단계를 거쳐 완성하는 것이므로 그 시공이 더욱더 불편한 것이다. 또 숏크리트에서 발생되는 수산화칼슘으로 인하여 부직포의 집수기능이 약화되어 누수의 원인이 되기도 하는 것이다.However, the above-mentioned conventional waterproof ball is performed in the ceiling of the tunnel, but it takes a lot of manpower and time, but it is completed through two steps of attaching a nonwoven fabric to the inner surface of the shotcrete and attaching a waterproof sheet to the inner surface thereof. It is because the construction is more inconvenient. In addition, the calcium hydroxide generated from shotcrete weakens the collecting function of the nonwoven fabric and causes leakage.

본 발명은 상기와 같은 종래의 문제점을 고려하여 발명된 것으로서, 그 목적으로 하는 것은, 방수공을 위한 부직포와 방수시트본체를 일체화함으로서 방수공을 용이하게 할 수 있고 또 부직포에 유공배수관을 구비시킴으로서 배수성을 크게 향상시킬 수 있는 터널방수공용 방수시트를 제공하고자 하는 것에 있다.The present invention has been invented in view of the above-mentioned conventional problems, and its object is to integrate a nonwoven fabric and a waterproof sheet body for waterproofing holes to facilitate the waterproofing hole, and to provide a non-woven fabric with a hole drainage pipe. It is an object of the present invention to provide a waterproof sheet for tunnel waterproofing which can greatly improve drainage.

도 1은 본 발명의 제 1실시예에 따른 터널방수공용 방수시트의 단면도1 is a cross-sectional view of the waterproof sheet for tunnel waterproofing according to the first embodiment of the present invention

도 2는 본 발명의 터널방수공용 방수시트를 이용하여 방수공을 하는 과정을 설명하기 위한 단면도Figure 2 is a cross-sectional view for explaining the process of the waterproof hole using the waterproof sheet for tunnel waterproofing of the present invention

도 3은 본 발명의 제 2실시예에 따른 터널방수공용 방수시트의 단면도Figure 3 is a cross-sectional view of the waterproof sheet for tunnel waterproofing according to a second embodiment of the present invention

도 4는 유고배수관의 사시도4 is a perspective view of the yugo drainage pipe

도 5는 본 발명의 제 3실시예에 따른 터널방수공용 방수시트의 단면도Figure 5 is a cross-sectional view of the waterproof sheet for tunnel waterproofing according to a third embodiment of the present invention

도 6은 터널의 단면도6 is a cross-sectional view of the tunnel

도 7은 도 6에 있어서의 A-A선 확대단면도7 is an enlarged sectional view taken along the line A-A in FIG.

<도면 중 주요부분에 대한 부호설명><Code description of main part of drawing>

1, 11, 21. --- 터널방수공용 방수시트1, 11, 21 .--- Waterproof sheet for tunnel waterproofing

2, 12, 22. --- 부직포2, 12, 22 .--- Non-woven

3, 13, 23. --- 방수시트3, 13, 23 .--- Waterproof Sheet

14, 24. --- 유공배수관14, 24 .--- Perforated drainage pipe

본 발명에서 제공하는 터널방수공용 방수시트는, 소정의 크기로 되고 내부 또는 표면에 유공배수관을 갖는 부직포의 일측 표면에 부직포 보다 더 큰 넓이를 갖는 방수시트를 부착하되 부직포의 선단부 둘레는 방수시트와 분리된 상태로 한 것을 특징으로 한다.The waterproof sheet for tunnel waterproofing provided by the present invention has a predetermined size and attaches a waterproof sheet having a larger area than that of the nonwoven fabric to a surface of one side of the nonwoven fabric having a pore drain pipe on the inside or the surface thereof, but the periphery of the nonwoven fabric has a waterproof sheet. Characterized in that separated state.

상기와 같은 본 발명의 방수시트는 터널시공에 있어서 숏크리트층의 표면측에 겹이음에 의한 방법으로 연속하여 부설함과 함께 고정구를 이용하여 고정하는 것이므로 1단계의 공정에 의해 방수공을 용이하게 할 수 있는 것이다.The waterproof sheet of the present invention as described above can be easily laid and fixed by using a fastener in the tunnel construction by the method of laying on the surface side of the shotcrete layer in a continuous manner, so that the waterproof hole can be facilitated by the step 1 process. It is.

이하 본 발명의 구체적인 일 실시예를 도면에 따라서 상세히 설명한다.Hereinafter, a specific embodiment of the present invention will be described in detail with reference to the drawings.

도 1은 본 발명의 제 1실시예에 따른 터널방수공용 방수시트(1)의 단면도를 도시하고 있다.1 is a cross-sectional view of a waterproof sheet 1 for tunnel waterproofing according to a first embodiment of the present invention.

본 발명에 따른 터널방수공용 방수시트(1)는 소정의 넓이를 갖는 부직포(2)의 일측 표면에 부직포(2) 보다 더 큰 넓이를 갖는 방수시트(3)를 부착하되 부직포(2)의 선단부 둘레는 방수시트(3)와 분리된 상태로 한 것이다.The waterproof sheet 1 for tunnel waterproofing according to the present invention attaches a waterproof sheet 3 having a larger width than that of the nonwoven fabric 2 to one surface of the nonwoven fabric 2 having a predetermined width, but has a distal end portion of the nonwoven fabric 2. The circumference is in a state separated from the waterproof sheet (3).

여기서 부직포(2)는 종래와 같이 폴리에스터나 폴리프로필렌으로 직조되고 일정한 두께와 투수성을 갖는 것이며, 방수시트(3)는 EVA, ECB, PVC 필름으로 되고 소요의 강도와 우수한 수밀성을 갖는 것이다.The nonwoven fabric 2 is woven from polyester or polypropylene as in the prior art and has a constant thickness and water permeability. The waterproof sheet 3 is made of EVA, ECB, PVC film, and has required strength and excellent watertightness.

상기에서 부직포(2)와 방수시트(3)의 결합은 접착제나 열융착에 의하여 할 수 있는 것이고 이 경우 부직포(2)의 선단부 둘레를 방수시트(3)와 분리된 상태로 한 것은 이웃하는 부직포(2) 상호와 방수시트(3) 상호를 겹이음에 의해 연속적으로 연결할 수 있도록 하기 위함이다. 바람직하게는 겹이음을 용이하게 하기 위하여 방수시트(3)를 부직포(2)의 넓이보다 10∼20cm 넓게 형성한다.In the above, the nonwoven fabric 2 and the waterproof sheet 3 may be bonded by adhesive or heat fusion. In this case, the periphery of the front end portion of the nonwoven fabric 2 is separated from the waterproof sheet 3 by a neighboring nonwoven fabric. (2) The purpose of this is to allow the interconnection and the waterproof sheet (3) to be interconnected continuously by overlapping each other. Preferably, the waterproof sheet 3 is formed to be 10 to 20 cm wider than the width of the nonwoven fabric 2 to facilitate the jointing.

상기와 같은 본 실시예의 터널방수공용 방수시트(1)를 이용하여 방수공을 하는 방법은 도 2에 도시된 바와 같이 기초터널의 내면에 타설된 숏크리트층 내면에 터널방수공용 방수시트(1)를 부설하되 이웃하는 터널방수공용 방수시트(1)의 부직포(2) 상호와 방수시트(3) 상호를 겹쳐지도록 하고 방수시트(3) 상호는 열융착에 의해 연결한다. 그리고 이와 같이 연속하여 부설된 터널방수공용 방수시트(1)를 고정구(T)를 이용하여 숏크리트층(S)에 고정한 후 방수층의 내면에 라이닝콘크리트(R)를 타설함으로서 지하수가 라이닝콘크리트(R)에 스며드는 것을 방지할 수 있다.The waterproof hole 1 using the tunnel waterproof waterproof sheet 1 of the present embodiment as described above is a tunnel waterproof waterproof sheet 1 on the inner surface of the shotcrete layer cast on the inner surface of the basic tunnel as shown in FIG. Lay out but the neighboring non-woven fabric (2) of the waterproof sheet (1) for tunnel waterproofing and the waterproof sheet (3) overlap each other and the waterproof sheet (3) interconnected by heat fusion. Then, the water-resistant sheet 1 for tunnel waterproofing, which is continuously installed in this way, is fixed to the shotcrete layer S by using the fastener T, and then the lining concrete R is placed on the inner surface of the waterproofing layer to allow the groundwater to be lining concrete R. Can be prevented from infiltrating

따라서 상기와 같이 부직포(2)와 방수시트(3)가 일체로 된 터널방수공용 방수시트(1)를 이용하여 방수공을 함으로서 1단계의 공정으로 방수공을 완료할 수 있는 것이다.Therefore, by using the waterproof sheet (1) for the tunnel waterproofing work in which the nonwoven fabric 2 and the waterproof sheet 3 are integrated as described above, the waterproof hole can be completed in one step process.

도 3은 본 발명의 제 2실시예에 따른 터널방수공용 방수시트(11)의 단면도를 도시하고 있다.3 shows a cross-sectional view of the waterproof sheet 11 for tunnel waterproofing according to the second embodiment of the present invention.

본 실시예에 따른 터널방수공용 방수시트(11)에서, 소정의 크기로 된 부직포(12)의 일측 표면에 부직포(12) 보다 더 큰 넓이를 갖는 방수시트(13)가 부착되며 부직포(12)의 선단부 둘레는 방수시트(13)와 분리된 상태로 된 것은 앞의 실시예와 동일하다. 그러나 본 실시예에 따른 터널방수공용 방수시트(11)는 부직포(12)의 내부에 유공배수관(14)이 구비되어 있다.In the waterproof sheet 11 for tunnel waterproofing according to the present embodiment, the waterproof sheet 13 having a larger area than the nonwoven fabric 12 is attached to one surface of the nonwoven fabric 12 having a predetermined size and the nonwoven fabric 12 is attached. The periphery of the front end is separated from the waterproof sheet 13 is the same as the previous embodiment. However, the waterproof sheet 11 for tunnel waterproofing according to the present embodiment is provided with a hole drain pipe 14 inside the nonwoven fabric 12.

상기 유공배수관(14)은 도 4에 도시된 바와 같이 합성수지사를 이용하여 내부에 배수공간이 형성되게 망상형으로 직조된 것이다.The hole drain pipe 14 is woven in a mesh shape such that a drainage space is formed inside the synthetic resin yarn as shown in FIG. 4.

상기와 같은 본 실시예의 터널방수공용 방수시트(11)는 앞의 실시예에서와 같이 1단계의 공정으로 방수공을 완료할 수 있음은 물론 부직포(12) 내에 구비된 유공배수관(14)을 통하여 원활하게 배수가 이루어지는 것이므로 이에 의해 부직포(12)가 막혀 발생되는 터널의 누수현상을 방지할 수 있어 터널의 배수성능을 크게 향상시킬 수 있다.The tunnel waterproof waterproof sheet 11 of the present embodiment as described above can be completed in the first step of the waterproof hole as in the previous embodiment, as well as through the hole drain pipe 14 provided in the nonwoven fabric 12 Since the drainage is performed smoothly, it is possible to prevent the leakage of the tunnel generated by blocking the nonwoven fabric 12, thereby greatly improving the drainage performance of the tunnel.

도 5는 본 발명의 제 3실시예에 따른 터널방수공용 방수시트(21)의 단면도를 도시하고 있다.Figure 5 shows a cross-sectional view of the waterproof sheet 21 for tunnel waterproofing according to the third embodiment of the present invention.

본 실시예에 따른 터널방수공용 방수시트(21)에서, 소정의 크기로 된 부직포(22)의 일측 표면에 부직포(22) 보다 더 큰 넓이를 갖는 방수시트(23)가 부착되며 부직포(22)의 선단부 둘레는 방수시트(21)와 분리된 상태로 된 것은 앞의 실시예와 동일하다. 그러나 본 실시예에 따른 터널방수공용 방수터널(21)은 부직포(12)의 일측 표면에 제 2실시예에서와 같은 유공배수관(24)이 구비되어 있다.In the waterproof sheet 21 for tunnel waterproofing according to the present embodiment, the waterproof sheet 23 having a larger area than the nonwoven fabric 22 is attached to one surface of the nonwoven fabric 22 having a predetermined size and the nonwoven fabric 22 is attached. The periphery of the front end is separated from the waterproof sheet 21 is the same as the previous embodiment. However, the waterproof tunnel 21 for tunnel waterproofing according to the present embodiment is provided with a hole drain pipe 24 as in the second embodiment on one surface of the nonwoven fabric 12.

상기와 같은 본 실시예의 터널방수공용 방수시트(21)는 부직포(22) 표면에 구비된 유공배수관(24)을 통하여 제 2실시예에서와 같이 용이하게 배수가 이루어지는 것이므로 터널의 배수성능을 크게 향상시킬 수 있다.The waterproof sheet 21 for tunnel waterproofing of the present embodiment as described above is easily drained as in the second embodiment through the hole drain pipe 24 provided on the surface of the nonwoven fabric 22, thereby greatly improving the drainage performance of the tunnel. You can.

본 발명에 따른 터널방수공용 방수시트는, 소정의 크기로 되고 내부 또는 표면에 유공배수관을 갖는 부직포의 일측 표면에 부직포 보다 더 큰 넓이를 갖는 방수시트를 부착하되 부직포의 선단부 둘레는 방수시트와 분리된 상태로 한 것이다.The waterproof sheet for tunnel waterproofing according to the present invention has a predetermined size and attaches a waterproof sheet having a larger area than that of the nonwoven fabric to a surface of one side of the nonwoven fabric having a pore drain pipe on the inside or the surface thereof, but the perimeter of the nonwoven fabric is separated from the waterproof sheet. It was in a state that became.

따라서 상기와 같은 본 발명의 방수시트는, 숏크리트층의 표면측에 겹이음에 의한 방법으로 연속하여 부설함과 함께 고정구를 이용하여 고정하는 것이므로 1단계의 공정에 의해 방수공을 용이하게 할 수 있는 것임은 물론 부직포의 내부나 표면에 구비된 유공배수관을 통하여 완활하게 배수가 이루어지는 것이므로 터널의 배수성능을 크게 향상시켜 이에 의해 터널의 수명을 크게 향상시킬 수 있다.Therefore, the waterproof sheet of the present invention as described above is to be laid on the surface side of the shotcrete layer continuously by the method of lamination and to fix using a fastener, so that the waterproof hole can be easily made by the step 1 process. Of course, since the drainage is performed smoothly through the hole drain pipe provided on the inside or the surface of the nonwoven fabric, the drainage performance of the tunnel can be greatly improved, thereby greatly improving the service life of the tunnel.

Claims (3)

소정의 크기로 된 부직포의 일측 표면에 부직포 보다 더 큰 넓이를 갖는 방수시트를 부착하되 부직포의 선단부 둘레는 방수시트와 분리된 상태로 한 것을 특징으로 하는 터널방수공용 방수시트.A waterproof sheet for tunnel waterproofing, characterized in that a waterproof sheet having a larger area than a nonwoven fabric is attached to one surface of a nonwoven fabric having a predetermined size, but the periphery of the nonwoven fabric is separated from the waterproof sheet. 제 1항에 있어서, 부직포의 내부에 유공배수관을 구비시킨 것을 특징으로 하는 터널방수공용 방수시트.The waterproof sheet for waterproofing tunnels according to claim 1, wherein a porous drain pipe is provided in the nonwoven fabric. 제 1항에 있어서, 부직포의 표면에 유공배수관을 구비시킨 것을 특징으로 하는 터널방수공용 방수시트.The waterproof sheet for waterproofing tunnels according to claim 1, wherein the surface of the nonwoven fabric has a hole drainage pipe.
KR1020000046476A 2000-08-10 2000-08-10 Waterproof sheet for tunnel waterproofing KR20000072175A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020033143A (en) * 2002-04-10 2002-05-04 김명열 Water proof construction method
KR100971878B1 (en) * 2009-01-05 2010-07-22 장용순 Unit adhering a fixing means of omni-directional moving freely to a transparency sheet and method constructing the transparency sheet
KR101316718B1 (en) * 2011-10-28 2013-10-18 이대우 A tunnel waterproofing construction method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100817011B1 (en) * 2006-09-04 2008-03-27 김자영 Waterproof member for tunnel and waterproof structure for tunnel, waterproof construction method for tunnel using the same
KR100822358B1 (en) * 2007-02-27 2008-04-18 경일피엔씨(주) Double extrusion molding water stop and manufacture method thereof
KR100885024B1 (en) * 2008-05-27 2009-02-20 차응섭 Waterproof sheet having pleat and waterproof member for tunnel using the same
KR101014332B1 (en) * 2008-06-16 2011-02-14 차응섭 Waterproof member for tunnel having joint plate
KR20230058789A (en) 2021-10-25 2023-05-03 이형호 Waterproof member using water-soluble filling material and connecting method of waterproof member

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020033143A (en) * 2002-04-10 2002-05-04 김명열 Water proof construction method
KR100971878B1 (en) * 2009-01-05 2010-07-22 장용순 Unit adhering a fixing means of omni-directional moving freely to a transparency sheet and method constructing the transparency sheet
KR101316718B1 (en) * 2011-10-28 2013-10-18 이대우 A tunnel waterproofing construction method

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