KR100448015B1 - Waterproof method of corrugated matter plate structure - Google Patents
Waterproof method of corrugated matter plate structure Download PDFInfo
- Publication number
- KR100448015B1 KR100448015B1 KR10-2002-0051844A KR20020051844A KR100448015B1 KR 100448015 B1 KR100448015 B1 KR 100448015B1 KR 20020051844 A KR20020051844 A KR 20020051844A KR 100448015 B1 KR100448015 B1 KR 100448015B1
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- South Korea
- Prior art keywords
- corrugated steel
- steel sheet
- sheet structure
- waterproof
- corrugated
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 8
- 238000004078 waterproofing Methods 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Paving Structures (AREA)
Abstract
본 발명은 파형강판 구조물의 상방에 방수시트를 매설하여 파형강판 구조물의 상방이나 측방으로부터의 수류의 접근을 방지함으로써, 파형강판 구조물 내부로 수분이 침투하는 것을 방지하기 위한 것이다. 이러한 목적의 본 발명은, 여러 장의 파형강판(120)을 연결하여 형성한 파형강판 구조물(110)의 상방 및 측방에 1차적으로 토사(150)를 다지는 단계와, 토사(150)위에 파형강판 구조물(110)의 상방을 덮도록 방수시트(100)를 덮는 단계와, 방수시트(100) 위에 2차적으로 토사(150)를 다지는 단계를 포함하는 파형강판 구조물의 방수방법으로서, 파형강판 구조물(110)의 주위에 방수시트(100)가 덮여져 수분이 파형강판 구조물(110)의 내부로 침투하는 것이 방지되는 효과가 있다.The present invention is to prevent the penetration of water into the corrugated steel sheet structure by preventing the access of water flow from the upper or side of the corrugated steel sheet structure by embedding a waterproof sheet above the corrugated steel sheet structure. The present invention for this purpose, the first step of laying the earth and sand 150 on the upper and side of the corrugated steel sheet structure 110 formed by connecting a plurality of corrugated steel sheet 120, the corrugated steel sheet structure on the earth and sand 150 Covering the waterproof sheet 100 so as to cover the upper portion of the 110, and the waterproofing method of the corrugated steel sheet structure including the step of laying the earth and sand 150 on the waterproof sheet 100, the corrugated steel sheet structure 110 The waterproof sheet 100 is covered around the water, thereby preventing moisture from penetrating into the corrugated steel sheet structure 110.
Description
본 발명은 파형강판 구조물의 방수방법에 관한 것으로, 특히 파형강판 구조물의 상방에 방수시트를 매설하여 파형강판 구조물의 상방이나 측방으로부터의 수류의 접근을 방지함으로써, 파형강판 구조물 내부로 수분이 침투하는 것을 방지하기 위한 것이다.The present invention relates to a waterproofing method of a corrugated steel sheet structure, and in particular, by embedding a waterproof sheet above the corrugated steel sheet structure to prevent water from accessing from above or to the side of the corrugated steel sheet structure, to allow moisture to penetrate into the corrugated steel sheet structure. It is to prevent that.
일반적으로 파형강판 구조물은, 금속판에 파형의 굴곡을 성형하여 형상강도를 높인 것으로, 여타 콘크리트 제품에 비해 사용이 간편하고 제조비용이 저렴한 장점이 있어서 원통형의 구조물이나 하천의 배수관 등에 사용되고 있다.In general, the corrugated steel sheet structure is to increase the shape strength by forming a bend of the corrugated plate on the metal plate, and is used in a cylindrical structure or a drainage pipe of the river because it is easy to use and inexpensive to manufacture compared to other concrete products.
도 1은 이러한 파형강판 구조물을 도시한 사시도이다.1 is a perspective view showing such a corrugated steel sheet structure.
파형강판 구조물(10)은, 파형의 주름이 진 파형강판(20)을 볼트(30) 및 너트(40)를 사용하여 서로 잇대어 관형태로 제작한다.The corrugated steel sheet structure 10 is corrugated corrugated steel sheet 20 having corrugated corrugations, and is formed in a tubular shape by using bolts 30 and nuts 40.
도 2는 파형강판 구조물이 도로의 수로용도 등으로 시공된 상태를 도시한 단면도이다.Figure 2 is a cross-sectional view showing a state in which the corrugated steel sheet structure is constructed for waterway use of the road.
볼트(30)와 너트(40)를 이용하여 다수의 파형강판(20)을 조립하여 반원형으로 이루어진 파형강판 구조물(10)의 상방 및 측방에는 토사(50)를 다지고, 그 위에 도로(60)를 시공하게 된다.Assembling a plurality of corrugated steel sheet 20 using the bolt 30 and the nut 40 to stiffen the soil sand 50 on the upper and side of the corrugated steel sheet structure 10 made of a semi-circle, the road 60 on the It will be constructed.
그런데, 도로(60)의 하방에는 노면으로부터 직접 침투하는 수분이나 도로(60)의 측면으로부터 침투한 수분이 존재하고, 장마철에는 더욱 많은 수분이 침투하여 도 2에 화살표로 도시한 바와 같이 파형강판 구조물(10)의 상방 및 측방으로 접근하게 된다.However, below the road 60, there exists water penetrating directly from the road surface or water penetrating from the side surface of the road 60, and more water penetrates during the rainy season, and as shown by the arrow in FIG. Approach above and to the side of (10).
따라서 이러한 수분이 파형강판 구조물(10)의 내부로 침투하는 것을 방지하기 위하여 파형강판 구조물(10)의 표면에 방수 페인트를 도포하는 등 방수작업을 하고 있다.Therefore, in order to prevent such moisture from penetrating into the corrugated steel sheet structure 10, waterproofing is applied to the surface of the corrugated steel sheet structure 10 by applying a waterproof paint.
그러나, 파형강판 구조물(10)은 여러 장의 파형강판(20)을 볼트(30) 및 너트(40)를 사용하여 서로 잇대어 제작한 것이므로, 방수 페인트를 도포한다 하여도 볼트(30)와 너트(40)의 결합부위를 완전하게 방수할 수는 없으므로, 볼트(30)와 너트(40)의 결합부위로 수분이 침투하여 파형강판 구조물(10)의 내부로 수분이 침투하는 문제점이 있었다.However, since the corrugated steel sheet structure 10 is manufactured by connecting several corrugated steel sheets 20 to each other using the bolt 30 and the nut 40, the corrugated steel sheet structure 10 and the bolt 40 and the nut 40 may be applied even if a waterproof paint is applied. Since it is not possible to completely waterproof the coupling portion of the), there is a problem that moisture penetrates into the coupling portion of the bolt 30 and the nut 40 to penetrate the inside of the corrugated steel sheet structure 10.
본 발명은 상기와 같은 점에 착안하여 안출한 것으로, 본 발명의 목적은 파형강판 구조물의 상방에 방수시트를 매설하여 파형강판 구조물의 상방이나 측방으로부터의 수류의 접근을 방지함으로써, 파형강판 구조물 내부로 수분이 침투하는 것을 방지하기 위한 것이다.The present invention has been devised in view of the above, the object of the present invention is to embed the waterproof sheet on the upper side of the corrugated steel sheet structure to prevent the flow of water from above or to the side of the corrugated steel sheet structure, thereby This is to prevent moisture from penetrating.
도 1은 일반적인 파형강판 구조물의 사시도.1 is a perspective view of a typical corrugated steel sheet structure.
도 2는 도 1에 도시한 파형강판 구조물이 도로의 수로용도 등으로 시공된 상태를 도시한 단면도.2 is a cross-sectional view showing a state in which the corrugated steel sheet structure shown in FIG.
도 3은 본 발명의 일실시예에 사용되는 방수시트의 사시도.Figure 3 is a perspective view of a waterproof sheet used in one embodiment of the present invention.
도 4는 도 3에 도시한 방수시트가 매설된 상태를 도시한 단면도.Figure 4 is a cross-sectional view showing a state in which the waterproof sheet shown in FIG.
〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
100: 방수시트 110: 파형강판 구조물100: waterproof sheet 110: corrugated steel sheet structure
120: 파형강판 130: 볼트120: corrugated steel sheet 130: volts
132: 제 1반구형면 134: 제 1마찰돌기132: first hemispherical surface 134: first friction projection
136: 머리 138: 나사축136: head 138: screw shaft
140: 너트 142: 제 2반구형면140: nut 142: second hemispherical surface
144: 제 2마찰돌기 150: 토사144: second friction projection 150: earth and sand
160: 도로160: road
상기와 같은 목적을 달성하기 위한 본 발명은, 여러장의 파형강판을 연결하여 형성한 파형강판 구조물의 상방 및 측방에 1차적으로 토사를 다지는 단계; 상기 토사 위에 상기 파형강판 구조물의 상방을 덮도록 방수시트를 덮는 단계; 및 상기 방수시트 위에 2차적으로 토사를 다지는 단계;를 포함하는 파형강판 구조물의 방수방법을 제공한다.The present invention for achieving the above object, the step of first laying the soil on the upper and side of the corrugated steel sheet structure formed by connecting a plurality of corrugated steel sheet; Covering the waterproof sheet to cover the top of the corrugated steel sheet structure on the soil; It provides a waterproof method of the corrugated steel sheet structure comprising a; and the second step of the earth to the earth on the waterproof sheet.
이하에서는 첨부된 도면을 참조하여 본 발명의 일실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention.
도 3은 본 실시예에 사용되는 방수시트의 사시도이고, 도 4는 파형강판 구조물에 본 실시예에 따른 방수시트가 매설된 상태를 도시한 단면도이다.Figure 3 is a perspective view of the waterproof sheet used in the present embodiment, Figure 4 is a cross-sectional view showing a state in which the waterproof sheet according to the present embodiment is embedded in the corrugated steel sheet structure.
파형강판 구조물의 방수방법을 단계별로 설명한다.The waterproofing method of corrugated steel sheet structure will be explained step by step.
먼저 파형강판 구조물(110)은, 파형의 주름이 진 파형강판(120)을 볼트(130) 및 너트(140)를 사용하여 서로 잇대어 관형태로 제작하여 시공위치에 고정한다.First, the corrugated steel sheet structure 110 is corrugated corrugated steel sheet 120 of the corrugated using a bolt 130 and the nut 140 to be connected to each other in a tubular shape to be fixed to the construction position.
그리고 파형강판 구조물(110)의 상방 및 측방에 1차적으로 토사(150)를 다진다.In addition, the earth and sand 150 is primarily formed on the upper and side surfaces of the corrugated steel sheet structure 110.
그리고 1차적으로 다진 토사(150)의 위에 방수시트(100)를 덮는다. 방수시트(100)는 구부러짐 가능하며 모래나 돌에 등 날카로운 물질에 접촉하더라도 쉽게 찢어지지 않는 방수재질의 물품을 사용한다. 이러한 방수시트(100)는 중심을 높이고 가장자리를 내려서 방수시트(100)의 위에 물이 고이지 않도록 한다.And the first to cover the waterproof sheet 100 on the chopped soil 150. The waterproof sheet 100 may be bent and uses an article of waterproof material that is not easily torn even in contact with a sharp material such as sand or stone. The waterproof sheet 100 is to raise the center and lower the edge so that water does not accumulate on the waterproof sheet 100.
그리고 방수시트(100)의 상방 및 측방에 2차적으로 토사(150)를 다진다.Then, the earth and sand 150 is secondary to the upper and side surfaces of the waterproof sheet 100.
이와 같이 2차적으로 다진 토사(150)의 위에 도로(160)를 시공하게 된다.In this way, the road 160 is constructed on the secondaryly chopped soil 150.
이하에서는 본 실시예의 방수방법에 대한 작용을 설명한다.Hereinafter, the operation of the waterproof method of the present embodiment will be described.
도로(160)의 하방에는 노면으로부터 직접 침투하는 수분이나 도로(160)의 측면으로부터 침투한 수분이 존재하고, 장마철에는 더욱 많은 수분이 침투하여 도 2에 화살표로 도시한 바와 같이 파형강판 구조물(110)의 상방 및 측방으로 접근하게 된다.Under the road 160, there is water penetrating directly from the road surface or water penetrating from the side of the road 160, more water penetrates during the rainy season, as shown by the arrow in Figure 2 corrugated steel plate structure 110 ) And upwards to the side.
파형강판 구조물(110)의 주위에는 방수시트(100)가 덮여져 있으므로, 수분이 파형강판 구조물(110)의 내부로 침투하지 못하고 방수시트(100)를 따라 하방으로이동하게 된다. 따라서 수분이 파형강판(120)의 내부로 침투하는 것을 완벽하게 차단하게 된다.Since the waterproof sheet 100 is covered around the corrugated steel sheet structure 110, moisture does not penetrate into the corrugated steel sheet structure 110 and moves downward along the waterproof sheet 100. Therefore, the moisture is completely blocked to penetrate into the corrugated steel sheet 120.
이상에서 설명한 바와 같이 본 발명은, 여러장의 파형강판(120)을 연결하여 형성한 파형강판 구조물(110)의 상방 및 측방에 1차적으로 토사(150)를 다지는 단계와, 토사(150)위에 파형강판 구조물(110)의 상방을 덮도록 방수시트(100)를 덮는 단계와, 방수시트(100) 위에 2차적으로 토사(150)를 다지는 단계를 포함하는 파형강판 구조물의 방수방법으로서, 파형강판 구조물(110)의 주위에 방수시트(100)가 덮여져 수분이 파형강판 구조물(110)의 내부로 침투하는 것이 방지되는 효과가 있다.As described above, the present invention, the first step of laying the earth and sand 150 on the upper and side of the corrugated steel sheet structure 110 formed by connecting a plurality of corrugated steel sheet 120, and the waveform on the earth and sand 150 Covering the waterproof sheet 100 to cover the upper portion of the steel plate structure 110, and the waterproofing method of the corrugated steel sheet structure comprising the step of slicing the earth and sand 150 on the waterproof sheet 100, corrugated steel sheet structure The waterproof sheet 100 is covered around the 110 to prevent moisture from penetrating into the corrugated steel sheet structure 110.
이상에서는 본 발명을 하나의 실시예로써 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형이 가능할 것이다.In the above, the present invention has been described as an embodiment, but the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments, and has a general knowledge in the field to which the present invention pertains without departing from the gist of the present invention. Anyone who grows up will be able to make various variations.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0051844A KR100448015B1 (en) | 2002-08-30 | 2002-08-30 | Waterproof method of corrugated matter plate structure |
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| KR10-2002-0051844A KR100448015B1 (en) | 2002-08-30 | 2002-08-30 | Waterproof method of corrugated matter plate structure |
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| KR20040020277A KR20040020277A (en) | 2004-03-09 |
| KR100448015B1 true KR100448015B1 (en) | 2004-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100725997B1 (en) | 2007-02-13 | 2007-06-08 | 주식회사 픽슨 | Waterproofing structure of a corrugated plate building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291329B (en) * | 2013-05-09 | 2015-05-20 | 中铁工程设计咨询集团有限公司 | Waterproofing and gas tightness construction method and structure for subsurface tunnel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119751A (en) * | 1972-04-20 | 1978-10-10 | Nyby Bruk Ab | Cover means for protecting tubes conveying hot mediums |
| US4618283A (en) * | 1984-09-06 | 1986-10-21 | Hilfiker Pipe Co. | Archway construction utilizing alternating reinforcing mats and fill layers |
| US4623282A (en) * | 1984-12-12 | 1986-11-18 | Allen Gordon H | Locating elements of construction beneath the surface of earth soils |
| US4629364A (en) * | 1985-07-25 | 1986-12-16 | The United States Of America As Represented By The Secretary Of The Army | Method and system for relieving pipeline stress due to frost action |
| KR19990073504A (en) * | 1999-07-19 | 1999-10-05 | 임철웅 | Tunnel working method by means of digging through free face of front,side and slide face and structure of folding metal plates |
| KR101143170B1 (en) * | 2009-04-23 | 2012-05-08 | 주식회사 포스코 | Steel wire rod having high strength and excellent toughness |
-
2002
- 2002-08-30 KR KR10-2002-0051844A patent/KR100448015B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119751A (en) * | 1972-04-20 | 1978-10-10 | Nyby Bruk Ab | Cover means for protecting tubes conveying hot mediums |
| US4618283A (en) * | 1984-09-06 | 1986-10-21 | Hilfiker Pipe Co. | Archway construction utilizing alternating reinforcing mats and fill layers |
| US4623282A (en) * | 1984-12-12 | 1986-11-18 | Allen Gordon H | Locating elements of construction beneath the surface of earth soils |
| US4629364A (en) * | 1985-07-25 | 1986-12-16 | The United States Of America As Represented By The Secretary Of The Army | Method and system for relieving pipeline stress due to frost action |
| KR19990073504A (en) * | 1999-07-19 | 1999-10-05 | 임철웅 | Tunnel working method by means of digging through free face of front,side and slide face and structure of folding metal plates |
| KR101143170B1 (en) * | 2009-04-23 | 2012-05-08 | 주식회사 포스코 | Steel wire rod having high strength and excellent toughness |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100725997B1 (en) | 2007-02-13 | 2007-06-08 | 주식회사 픽슨 | Waterproofing structure of a corrugated plate building |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040020277A (en) | 2004-03-09 |
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