KR101262866B1 - Construction method for cofferdam - Google Patents
Construction method for cofferdam Download PDFInfo
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- KR101262866B1 KR101262866B1 KR1020120066589A KR20120066589A KR101262866B1 KR 101262866 B1 KR101262866 B1 KR 101262866B1 KR 1020120066589 A KR1020120066589 A KR 1020120066589A KR 20120066589 A KR20120066589 A KR 20120066589A KR 101262866 B1 KR101262866 B1 KR 101262866B1
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- filling
- water
- piles
- barrier
- underwater
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- 238000010276 construction Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 22
- 230000000903 blocking Effects 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 12
- 210000001847 Jaw Anatomy 0.000 claims description 4
- 235000020639 clam Nutrition 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quay walls; Groynes; Breakwaters Wave dissipating walls; Quay equipment
- E02B3/08—Structures of loose stones with or without piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- 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
Abstract
Description
본 발명은 토목 기술분야에 관한 것으로서, 상세하게는 수중 작업을 위한 가물막이 공법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of civil engineering, and in particular, to a temporary clogging method for underwater work.
바다 또는 강의 수중에는 교량의 기초, 수력 발전소, 조류 발전소, 조력 발전소 등의 구조물이 시공된다.Under the sea or river, structures such as bridge foundations, hydro power plants, tidal power plants, and tidal power plants are constructed.
이러한 수중구조물의 시공은 가물막이의 설치, 지반의 굴착, 콘크리트의 타설에 의한 파일의 형성의 순서로 이루어지는 것이 일반적이다.The construction of such an underwater structure is generally performed in the order of installation of a cladding, excavation of the ground, and the formation of piles by pouring concrete.
그런데, 유속이 매우 빠른 경우, 가물막이의 설치작업이 대단히 곤란하고, 가물막이의 설치 없이 수중에서 콘크리트의 타설을 진행하는 경우, 재료가 유수에 씻겨 가므로 목표로 하는 구조물의 강도를 얻을 수 없다는 문제가 있다.However, if the flow rate is very fast, installation of the clam is very difficult, and when the concrete is poured underwater without installing the clam, the material is washed away with water and the strength of the target structure cannot be obtained. there is a problem.
본 발명은 상기와 같은 문제점을 해결하기 위하여 도출된 것으로서, 유속이 빠른 경우라하더라도 수중 구조물의 시공을 안정적으로 이룰 수 있도록 하는 공법을 제시하는 것을 그 목적으로 한다.The present invention has been derived to solve the above problems, it is an object of the present invention to propose a method to achieve a stable construction of the underwater structure even if the flow rate is fast.
본 발명은 상술한 바와 같은 목적을 달성하기 위하여, 수중에 복수의 파일(100)을 상호 이격하여 설치하되, 상기 파일(100)의 하단은 수중지반(1)에 매설되고, 상기 파일(100)의 상단은 수상에 노출되도록 하는 파일 설치단계; 상기 복수의 파일(100) 사이 영역에 물막이 부재(200)를 설치하는 물막이 부재 설치단계; 상기 물막이 부재(200)의 후방을 충전재(300)에 의해 충전하는 충전단계;를 포함하는 수중 가물막이 공법을 제시한다.In order to achieve the object as described above, the present invention, while installing a plurality of files (100) spaced apart from each other in water, the lower end of the file (100) is embedded in the underwater ground (1), the file (100) The top of the file installation step to be exposed to the award; A barrier member installation step of installing the barrier member 200 in an area between the plurality of piles 100; The filling method for filling the rear of the water blocking member 200 by the filler 300 is presented.
상기 파일(100)에는 통수용 관통공(101)이 형성된 것이 바람직하다.It is preferable that the pile 100 has a through hole 101 formed therein.
상기 파일(100)은 유선형 단면구조로 형성된 것이 바람직하다.The pile 100 is preferably formed in a streamlined cross-sectional structure.
상기 파일 설치단계는 내부에 채움재 채움공간이 형성되도록 복수의 쉬트파일(110)을 둘러 설치하는 쉬트파일 설치단계; 상기 채움재 채움공간을 채움재(120)에 의해 충전하는 채움단계;를 포함하는 것이 바람직하다.The file installation step may include a sheet file installation step of installing a plurality of sheet files 110 so as to form a filling material space therein; It is preferable to include a; filling step of filling the filling material filling space by the filling material 120.
상기 쉬트파일 설치단계는 상호 이격되어 대향하도록 설치된 상기 복수의 쉬트파일(110)을 타이로드(111)에 의해 연결하여 보강하는 단계를 더 포함하는 것이 바람직하다.The sheet pile installation step may further include a step of connecting and reinforcing the plurality of sheet piles 110 installed to be spaced apart from each other by a tie rod 111.
상기 파일(100)의 전단에는 상기 물막이 부재(200)가 걸리도록 걸림턱부(102)가 형성된 것이 바람직하다.It is preferable that the latching jaw portion 102 is formed at the front end of the pile 100 so that the water blocking member 200 is caught.
상기 물막이 부재(200)는 쉬트파일(210) 또는 콘크리트 패널(220)에 의해 형성된 것이 바람직하다.The water blocking member 200 is preferably formed by a sheet pile 210 or a concrete panel 220.
상기 물막이 부재(200)에는 통수용 관통공(201)이 형성된 것이 바람직하다.Preferably, the water blocking member 200 has a through hole 201 formed therein.
상기 충전단계 이후, 상기 충전재(300)에 의한 충전영역 중 상기 물막이 부재(200)의 인접 영역에 그라우팅(G)을 실시하는 그라우팅 단계를 더 포함하는 것이 바람직하다.After the filling step, it is preferable to further include a grouting step of performing a grouting (G) in the adjacent region of the water blocking member 200 of the filling region by the filler 300.
상기 복수의 파일(100) 사이 영역에 설치되는 상기 복수의 물막이 부재(200) 중 최종적으로 설치되는 최종 물막이 부재(200a)는 아치형 단면 형상으로 형성된 것이 바람직하다.It is preferable that the final barrier member 200a that is finally installed among the plurality of barrier members 200 provided in the region between the piles 100 is formed in an arcuate cross-sectional shape.
수상에 노출된 상기 복수의 파일(100)의 상단에 작업용 상판(400)을 설치하는 상판 설치단계를 더 포함하는 것이 바람직하다.It is preferable to further include a top plate installation step of installing a working top plate 400 on top of the plurality of piles 100 exposed to the water phase.
상기 복수의 파일(100)은 유수의 흐름방향에 대하여 직각이 되는 방향으로 열지어 설치된 것이 바람직하다.Preferably, the plurality of piles 100 are installed in a direction perpendicular to the flow direction of the flowing water.
상기 복수의 파일(100) 중 일부는 전방으로 돌출되고, 일부는 후방으로 돌출되도록 설치된 것이 바람직하다.Some of the plurality of piles 100 may protrude forward, and some may be installed to protrude rearward.
본 발명은 유속이 빠른 경우라하더라도 수중 구조물의 시공을 안정적으로 이룰 수 있도록 하는 공법을 제시한다.The present invention provides a method for achieving stable construction of the underwater structure even if the flow rate is high.
도 1 이하는 본 발명에 의한 가물막이 공법의 실시예를 도시한 것으로서,
도 1 내지 5는 공정도.
도 6은 파일의 제1실시예의 단면도.
도 7,8은 파일의 제2실시예의 공정도.
도 9는 파일 및 가물막이부재의 단면도.
도 10은 쉬트파일 조립체의 사시도.
도 11은 파일, 가물막이부재 및 충전재의 단면도.
도 12는 상판설치과정의 측면도.
도 13,14는 파일 설치구조에 관한 또 다른 실시예의 단면도.Figure 1 below shows an embodiment of the temporary film construction method according to the present invention,
1 to 5 are process diagrams.
6 is a sectional view of a first embodiment of a pile;
7 and 8 are process diagrams of a second embodiment of a pile.
9 is a cross-sectional view of the pile and the closure member.
10 is a perspective view of a sheet pile assembly.
11 is a cross-sectional view of a pile, a closure member, and a filler.
12 is a side view of the top plate installation process.
13 and 14 are cross-sectional views of yet another embodiment of the pile installation structure.
이하, 첨부도면을 참조하여 본 발명의 실시예에 관하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1 이하에 도시된 바와 같이, 본 발명에 의한 수중 가물막이 공법은 기본적으로, 수중에 복수의 파일(100)을 상호 이격하여 설치하되, 파일(100)의 하단은 수중지반(1)에 매설되고, 파일(100)의 상단은 수상에 노출되도록 하는 파일 설치단계(도 1,2); 복수의 파일(100) 사이 영역에 물막이 부재(200)를 설치하는 물막이 부재 설치단계(도 3); 물막이 부재(200)의 후방을 충전재(300)에 의해 충전하는 충전단계(도 4);를 포함하여 구성된다.As shown below in Figure 1, the underwater clogging method according to the present invention is basically, while installing a plurality of piles 100 are separated from each other in the water, the bottom of the pile 100 is buried in the underwater ground (1) And, the top of the file 100 is a file installation step (Fig. 1,2) to be exposed to the water phase; A barrier member installation step of installing the barrier member 200 in an area between the plurality of piles 100 (FIG. 3); It is configured to include; filling step (Fig. 4) for filling the back of the water blocking member 200 by the filler 300.
즉, 본 공법은 유속이 빠른 수중에 가물막이 구조물을 설치하기 위한 것으로서, 우선 복수의 파일(100)을 상호 이격하여 설치하고, 그 사이 영역에 물막이 부재(200)를 설치한 후, 그 물막이 부재(200)의 후방을 사석 등의 충전재(300)에 의해 충전하는 과정을 반복함으로써, 점진적으로 가물막이 구조물이 형성되도록 한 것이다(도 5).That is, the present method is for installing a temporary closure structure in the water with a high flow rate. First, the plurality of piles 100 are spaced apart from each other, and the water barrier member 200 is installed in the area therebetween, and then the water barrier member is installed. By repeating the process of filling the back of the 200 by the filler 300, such as sandstone, it is to gradually form a temporary film structure (Fig. 5).
이는 다음과 같은 효과를 얻도록 한다.This has the following effects.
첫째, 복수의 파일(100)을 상호 이격하여 설치한 후, 그 사이에 물막이 부재(200)를 순차적으로 설치하는 구성을 취하므로, 유속이 빠른 경우라 하더라도 수압에 의한 저항을 최소화할 수 있다.First, since the plurality of piles 100 are spaced apart from each other, and the water blocking member 200 is sequentially installed therebetween, even if the flow velocity is high, resistance by water pressure can be minimized.
둘째, 파일(100)의 사이 영역에 우선 물막이 부재(200)를 설치하고, 이후 그 후방에 사석 등의 충전재(300)를 충전하므로, 유수로 인한 충전재의 유실을 최소화할 수 있고, 안정적인 그라우팅 작업이 가능해진다.Second, since the water barrier member 200 is first installed in the region between the piles 100 and then the filler 300 such as sandstone is filled thereafter, the loss of the filler due to water flow can be minimized, and a stable grouting operation This becomes possible.
파일(100)은 본 공법의 최초 단계에서 설치되는 것이므로, 수압에 의한 저항을 최소화하기 위하여, 통수용 관통공(101)이 형성되는 것이 바람직하고(도 10), 장방형과 같은 유선형 단면구조를 취하는 것이 좋다(도 6).Since the pile 100 is installed at the first stage of the process, in order to minimize resistance due to water pressure, it is preferable that a water passage through hole 101 be formed (FIG. 10), and take a streamlined cross-sectional structure such as a rectangle. It is good (FIG. 6).
복수의 파일(100)은 유수의 흐름방향에 대하여 직각이 되는 방향으로 열지어 설치되는 것이 바람직하고(도 1), 유속이 대단히 빠른 경우에는 복수의 파일(100) 중 일부는 전방으로 돌출되고, 일부는 후방으로 돌출되도록 설치된 구성을 취함으로써, 가물막이 구조물의 단면이 커지도록 하는 것이 바람직하다(도 13,14).The plurality of piles 100 are preferably installed in a direction perpendicular to the flow direction of the flow of water (Fig. 1), when the flow rate is very fast, some of the plurality of piles 100 protrude forward, It is preferable that the temporary film has a structure provided so as to protrude rearward so that the cross section of the structure becomes large (FIGS. 13 and 14).
이러한 파일(100)은 다양한 방식에 의해 구현될 수 있는데, 대규모의 수중 구조물을 형성하는 경우에는 도 7,8에 도시된 바와 같이, 내부에 채움재 채움공간이 형성되도록 복수의 쉬트파일(110)을 둘러 설치하는 쉬트파일 설치단계; 채움재 채움공간을 채움재(120)에 의해 충전하는 채움단계;를 포함하는 구성을 취하는 것이 바람직하다.The pile 100 may be implemented by various methods. In the case of forming a large-scale underwater structure, as illustrated in FIG. 7 and 8, a plurality of sheet piles 110 are formed to form a filling material filling space therein. Sheet file installation step of installing around; It is preferable to take a configuration including a; filling step of filling the filling space by the filling material 120.
쉬트파일(110)의 설치 후, 채움재(120)의 충전작업 전, 쉬트파일(110) 조립체에 대한 수압에 저항하기 위하여, 상호 이격되어 대향하도록 설치된 복수의 쉬트파일(110)을 타이로드(111)에 의해 연결하여 보강하는 것이 더 바람직하다.After the sheet pile 110 is installed, and before the filling operation of the filling material 120, in order to resist water pressure against the sheet pile 110 assembly, the plurality of sheet piles 110 installed to be spaced apart from each other may be tie rods 111. It is more preferable to connect and reinforce by).
물막이 부재(200)는 쉬트파일(210) 또는 콘크리트 패널(220)에 의해 형성될 수 있는데, 이 경우에도 수압에 의한 저항을 줄이기 위하여 통수용 관통공(201)이 형성되는 것이 바람직하다(도 9,10).The water blocking member 200 may be formed by the sheet pile 210 or the concrete panel 220. In this case, it is preferable that a water passage through-hole 201 is formed in order to reduce resistance due to water pressure (FIG. 9). , 10).
이러한 물막이 부재(200)가 파일(100)의 사이 영역에 용이하게 설치되도록 하기 위해서는, 파일(100)의 전단에 물막이 부재(200)가 걸리도록 걸림턱부(102)가 형성되는 것이 바람직하다(도 9).In order for the water barrier member 200 to be easily installed in the region between the piles 100, it is preferable that the latching jaw 102 is formed to catch the water barrier member 200 at the front end of the pile 100 (FIG. 9).
물막이 부재(200)의 설치 후, 그 후방에 사석 등의 충전재(300)를 충전하는데, 이러한 충전재(300)에 의한 충전영역 중 물막이 부재(200)의 인접 영역에는 그라우팅(G)을 실시하는 것이 구조적 안정성을 위하여 더욱 바람직하다(도 11).After the installation of the water blocking member 200, the filler 300 such as sandstone is filled in the rear thereof, and the grouting G is applied to an adjacent area of the water blocking member 200 among the filling areas by the filler 300. More preferred for structural stability (FIG. 11).
상술한 바와 같이, 복수의 파일(100)의 설치, 그 사이 영역에 물막이 부재(200)의 설치, 그 후방에 충전재(300)에 의한 충전과 같은 과정을 순차적으로 반복하여 가물막이 구조물을 형성하게 되는데, 복수의 파일(100) 사이 영역 중 최종적으로 물막이 부재(200)가 설치될 영역은 유속이 가장 빠르게 된다.As described above, the procedure such as the installation of the plurality of piles 100, the installation of the water blocking member 200 in the region therebetween, and the filling by the filling material 300 in the rear thereof are sequentially repeated to form the temporary blocking structure. The flow rate is fastest in the region where the water blocking member 200 is finally installed among the regions between the plurality of piles 100.
이에 저항하기 위해서는, 복수의 파일(100) 사이 영역에 설치되는 복수의 물막이 부재(200) 중 최종적으로 설치되는 최종 물막이 부재(200a)는 아치형 단면 형상의 구조를 취하는 것이 바람직하다(도 5).In order to resist this, it is preferable that the final blocking member 200a, which is finally provided, among the plurality of blocking members 200 provided in the region between the plurality of piles 100, has an arcuate cross-sectional structure (Fig. 5).
파일(100)의 상단은 수상에 노출되는데, 그 위에 작업용 상판(400)을 점진적으로 설치하는 경우, 그 상판(400) 위를 통해 작업자 및 자재를 운반할 수 있는 바, 더욱 효율적인 작업이 가능해진다(도 12).When the upper end of the pile 100 is exposed to the water phase, and gradually installs the working top plate 400 thereon, it is possible to transport workers and materials through the top plate 400, thereby enabling more efficient work. (FIG. 12).
이상은 본 발명에 의해 구현될 수 있는 바람직한 실시예의 일부에 관하여 설명한 것에 불과하므로, 주지된 바와 같이 본 발명의 범위는 위의 실시예에 한정되어 해석되어서는 안 될 것이며, 위에서 설명된 본 발명의 기술적 사상과 그 근본을 함께 하는 기술적 사상은 모두 본 발명의 범위에 포함된다고 할 것이다.It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It is to be understood that both the technical idea and the technical spirit of the invention are included in the scope of the present invention.
1 : 수중지반 100 : 파일
101 : 통수용 관통공 102 : 걸림턱부
110 : 쉬트파일 111 : 타이로드
120 : 채움재 200 : 물막이 부재
200a : 최종 물막이 부재 201 : 통수용 관통공
210 : 쉬트파일 220 : 콘크리트 패널
300 : 충전재 400 : 상판1: Underwater ground 100: File
101: through hole for water passage 102: locking jaw portion
110: sheet pile 111: tie rod
120: filling material 200: water blocking member
200a: final water blocking member 201: through hole for water passage
210: sheet pile 220: concrete panel
300: filler 400: top plate
Claims (13)
상기 복수의 파일(100) 사이 영역에 물막이 부재(200)를 설치하는 물막이 부재 설치단계;
상기 물막이 부재(200)의 후방을 충전재(300)에 의해 충전하는 충전단계;
상기 충전재(300)에 의한 충전영역 중 상기 물막이 부재(200)의 인접 영역에 그라우팅(G)을 실시하는 그라우팅 단계;를 포함하고,
상기 복수의 파일(100) 사이 영역에 설치되는 상기 복수의 물막이 부재(200) 중 최종적으로 설치되는 최종 물막이 부재(200a)는 아치형 단면 형상으로 형성되며,
상기 복수의 파일(100)은 유수의 흐름방향에 대하여 직각이 되는 방향으로 열지어 설치되고,
상기 복수의 파일(100) 중 일부는 전방으로 돌출되고, 일부는 후방으로 돌출되도록 설치된 것을 특징으로 하는 수중 가물막이 공법.Installing a plurality of files in the water spaced apart from each other, the lower end of the file 100 is buried in the underwater ground (1), the upper end of the file 100 is a file installation step to be exposed to the water;
A barrier member installation step of installing the barrier member 200 in an area between the plurality of piles 100;
A filling step of filling the rear of the water blocking member 200 with a filler 300;
And a grouting step of performing grouting (G) in an adjacent region of the water blocking member (200) of the filling region by the filler (300).
The final barrier member 200a, which is finally installed, among the plurality of barrier members 200 installed in the region between the piles 100, is formed in an arcuate cross-sectional shape.
The plurality of piles 100 are installed in a direction perpendicular to the flow direction of the flowing water,
Some of the plurality of piles (100) are protruded forward, a portion of the underwater clogging method, characterized in that installed so as to protrude rearward.
상기 파일(100)은 유선형 단면구조로 형성된 것을 특징으로 하는 수중 가물막이 공법.The method of claim 1,
The pile 100 is a method for underwater clam film, characterized in that formed in a streamlined cross-sectional structure.
상기 파일 설치단계는
내부에 채움재 채움공간이 형성되도록 복수의 쉬트파일(110)을 둘러 설치하는 쉬트파일 설치단계;
상기 채움재 채움공간을 채움재(120)에 의해 충전하는 채움단계;를
포함하는 것을 특징으로 하는 수중 가물막이 공법.The method of claim 1,
The file installation step
Sheet file installation step of installing a plurality of sheet pile 110 surrounding the filling material to form a filling space therein;
Filling step of filling the filling material filling space by the filling material 120;
Underwater temporary containment method characterized in that it comprises.
상기 쉬트파일 설치단계는
상호 이격되어 대향하도록 설치된 상기 복수의 쉬트파일(110)을 타이로드(111)에 의해 연결하여 보강하는 단계를 더 포함하는 것을 특징으로 하는 수중 가물막이 공법.5. The method of claim 4,
The sheet file installation step
And a plurality of sheet piles (110) installed so as to be spaced apart from each other so as to be reinforced by a tie rod (111).
상기 파일(100)의 전단에는 상기 물막이 부재(200)가 걸리도록 걸림턱부(102)가 형성된 것을 특징으로 하는 수중 가물막이 공법.The method of claim 1,
At the front end of the pile 100, the water capping method, characterized in that the locking jaw portion 102 is formed so that the water blocking member 200 is caught.
상기 물막이 부재(200)는 쉬트파일(210) 또는 콘크리트 패널(220)에 의해 형성된 것을 특징으로 하는 수중 가물막이 공법.The method according to claim 6,
The water barrier member 200 is an underwater temporary clogging method, characterized in that formed by the sheet pile 210 or concrete panel 220.
상기 물막이 부재(200)에는 통수용 관통공(201)이 형성된 것을 특징으로 하는 수중 가물막이 공법.The method of claim 1,
The water barrier member method is characterized in that the water blocking member 200 is formed with a through-hole for water transmission.
수상에 노출된 상기 복수의 파일(100)의 상단에 작업용 상판(400)을 설치하는 상판 설치단계를 더 포함하는 것을 특징으로 하는 수중 가물막이 공법.The method of claim 1,
Underwater temporary closure method, characterized in that it further comprises a top plate installation step of installing a working top plate 400 on top of the plurality of files (100) exposed to the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120066589A KR101262866B1 (en) | 2012-06-21 | 2012-06-21 | Construction method for cofferdam |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004052277A (en) * | 2002-07-17 | 2004-02-19 | Maeda Corp | Construction method for double closing levee |
| KR100862902B1 (en) * | 2008-03-11 | 2008-10-13 | (주)다산컨설턴트 | Installation structure of cofferdam using pile |
| KR100936055B1 (en) * | 2009-03-18 | 2010-01-08 | 정광옥 | Streamlined casing, streamlined pile using the same, construction method thereof, streamlined cofferdam using the same and construction method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004052277A (en) * | 2002-07-17 | 2004-02-19 | Maeda Corp | Construction method for double closing levee |
| KR100862902B1 (en) * | 2008-03-11 | 2008-10-13 | (주)다산컨설턴트 | Installation structure of cofferdam using pile |
| KR100936055B1 (en) * | 2009-03-18 | 2010-01-08 | 정광옥 | Streamlined casing, streamlined pile using the same, construction method thereof, streamlined cofferdam using the same and construction method thereof |
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