KR101037860B1 - A assemble type mold construction structure for tunnel building - Google Patents

A assemble type mold construction structure for tunnel building Download PDF

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Publication number
KR101037860B1
KR101037860B1 KR1020100068830A KR20100068830A KR101037860B1 KR 101037860 B1 KR101037860 B1 KR 101037860B1 KR 1020100068830 A KR1020100068830 A KR 1020100068830A KR 20100068830 A KR20100068830 A KR 20100068830A KR 101037860 B1 KR101037860 B1 KR 101037860B1
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South Korea
Prior art keywords
steel
steel pipe
tunnel
plate
side wall
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KR1020100068830A
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Korean (ko)
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이병택
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이병택
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK 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
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK 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
    • E21D11/40Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/062Forms for curved walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08Forms, which are completely dismantled after setting of the concrete and re-built for next pouring

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

PURPOSE: A mold for constructing a girder for tunnel building is provided to facilitate an assembly processing in a narrow work space by directly assembling elements in a steel pipe. CONSTITUTION: A mold for constructing a girder for tunnel building comprises a steel pipe(2), a cut-out part, E-steel part, a sidewall steel plate(20) and a lower closing plate. The steel pipe is pressed and arched along the tunnel construction area. The E-steel part having open one side is welded on the both side of the cut-out part. A holder(24) is formed on the lower part of the lower closing plate to be protruded in a horizontal direction.

Description

아치형 터널의 거더시공용 거푸집{A ASSEMBLE TYPE MOLD CONSTRUCTION STRUCTURE FOR TUNNEL BUILDING}Formwork for girder construction of arch tunnel {A ASSEMBLE TYPE MOLD CONSTRUCTION STRUCTURE FOR TUNNEL BUILDING}

본 발명은 아치형 터널의 거푸집에 관한 것으로서, 더욱 상세하게는 터널 시공과정에서 터널을 따라 일정 간격으로 거더를 시공하기 위한 거푸집 설치 구조에 관한 것이다.The present invention relates to a formwork of an arched tunnel, and more particularly, to a formwork installation structure for constructing girders at regular intervals along the tunnel during the tunnel construction process.

일반적으로 터널은 흙이나 바위를 파서 지표면 아래에 만든 공간으로 거의 수평이며 가는 모양의 긴 통로를 말한다. 위쪽에서 재래지반을 남기고 땅속을 파 들어가 만들어진 것이 보통이지만, 지표에서부터 홈모양으로 파고 들어가 그 속에 터널구조물을 만든 다음 다시 묻는 개착공법에 의한 것도 터널에 포함된다.In general, tunnels are spaces created by digging soil or rock and beneath the surface of the earth. It is usually made by digging up the ground leaving the ground in the upper part, but it is also included in the tunnel by digging into the groove shape from the surface, making the tunnel structure in it, and then burying it again.

이 공법은 도시내의 도로 아래에 비교적 얕은 지하철도를 만들 때 이용된다. 오늘날에는 터널의 용도나 양상이 다양화되어 지하발전소용의 대공동, 지하의 자동차 주차장이나 각종 창고, 지하 정유시설이나 지하도로 등 흙이나 바위가 붕괴하여 떨어지는 것을 막으면서 땅속을 파서 공간을 만들고, 영구적으로 지반을 지지하는 구조물을 건설하는 것도 넓은 뜻으로 터널이라 한다.This technique is used to create a relatively shallow subway road under the roads in the city. Today, the use and aspects of tunnels are diversified, digging into the ground to prevent soil and rocks from collapsing and falling, such as large cavities for underground power plants, underground car parking lots, warehouses, underground refineries, and underground roads. Constructing a structure that supports the ground permanently is also called a tunnel.

터널의 용도는 철도, 도로 터널 등의 교통용 터널과, 수력발전, 관개 등을 위한 수로터널 및 상하수도, 전선로 등의 관로터널 등이 있다.The use of the tunnel includes traffic tunnels such as railroads and road tunnels, and water tunnels for hydroelectric power generation, irrigation, and pipeline tunnels such as water and sewage and wire lines.

이 밖에 지하발전소, 변전소 및 석유류 저장용 지하공동 등도 터널기술을 적용한 지하건조물로서 터널에 포함시킬 수 있다. 또 터널은 굴착의 대상이 되는 지질에 따라서 암석터널과 토사터널로 나누며, 시공장소, 시공방법에 따라 산악터널, 도시터널, 수저터널, 개착터널, 실드터널, 침매터널 등으로 세분된다.In addition, underground power plants, substations, and underground cavities for storing oil can also be included in tunnels as tunnels. Tunnels are divided into rock and earth tunnels according to the geology of excavation, and are subdivided into mountain tunnels, urban tunnels, cutlery tunnels, open tunnels, shield tunnels and immersion tunnels according to the construction site and construction method.

이러한 터널은 여러가지 공법으로 개발되어 현재까지 진행되었으나 시민의 보행이나 상업활동 및 교통의 지장을 줄 뿐만 아니라 토압의 변화 및 지반의 거동이 심하게 발생되어 인근 구조물에 악영향을 미치게 되는 문제점이 있었다.These tunnels have been developed by various construction methods to date, but they have a problem that not only hinders people's walking, commercial activities and traffic, but also causes severe earth pressure changes and ground behavior, which adversely affect nearby structures.

한편, 최근에는 터널 시공위치까지 형성된 지하 수직갱에서 압입수단을 이용하여 메인강관 및 서브강관을 연속으로 압입한 후 그 하부를 굴착하는 공법이 시행되고 있다.On the other hand, recently, a method of digging the main steel pipe and the sub-steel pipe continuously by using a press-fitting means in the underground vertical shaft formed up to the tunnel construction location has been implemented.

그러나, 상기 공법에서는 터널을 따라 일정 간격으로 거더를 형성하기 위한 합판거푸집을 설치하여 콘크리트를 충진하게 되는데, 종래 합판거푸집을 설치하기 위해서는 강관의 하측을 횡방향으로 절개한 후 합판 거푸집을 강관 내부를 통해 이동시킨 후 작업자가 좁은 공간에서 설치해야 함으로 작업성을 떨어뜨리는 문제점이 있었다.
However, in the above method, the concrete is filled by installing plywood formwork to form girders at a predetermined interval along the tunnel. In order to install the conventional plywood formwork, the plywood formwork is cut in the transverse direction and then the plywood formwork is placed inside the steel pipe. After moving through, the worker had to install in a narrow space, so there was a problem in reducing workability.

본 발명은 상기한 종래 기술에서의 문제점을 개선하기 위해 제안된 것으로서, 거더 형성을 위한 철제 거푸집의 설치가 용이하게 이루어질 수 있는 기술을 제공함으로서 터널의 시공이 보다 신속하고 안전하게 이루어질 수 있도록 하는데 목적이 있다.The present invention has been proposed to improve the above problems in the prior art, and the object of the tunnel construction is to provide a technology that can be easily installed in the formwork for forming the girder can be made more quickly and safely have.

상기 목적을 이루기 위한 본 발명은, 지하 터널 시공부위를 따라 다수의 강관이 아치형태로 열을 이루어 압입 시공되고, 상기 강관 하부를 따라 횡방향으로 절개하여 절개부를 일정 간격으로 형성시킴에 있어서, 상기 절개부를 따라 양측에는 일측이 개방된 ㄷ형강이 용접 고정되되, 상기 ㄷ형강은 개방부위가 상부를 향하도록 구성시키고; 상기 용접 고정된 양측 ㄷ형강에는 각각 측벽철판이 상호간에 이격상태를 이루는 가운데 걸려져 지지되며; 상기 양측 측벽철판 상호간에는 하단부에서 하부막음판에 의해 연결구성이 이루어짐을 특징으로 한다.According to the present invention for achieving the above object, a plurality of steel pipes are formed in a columnar shape by pressurized construction along an underground tunnel construction site, and cut in the transverse direction along the lower portion of the steel pipe to form cutouts at predetermined intervals. C-shaped steel, one side of which is open on both sides along the incision, is fixed by welding, and the c-shaped steel is configured such that the open portion faces upwards; The weld-fixed both sides of the c-beams are supported by being hung while the sidewall iron plates are separated from each other; The both side wall plate is characterized in that the connection configuration is made by the lower blocking plate at the lower end between each other.

이러한 본 발명은, 아치형터널의 거더 시공을 위한 거푸집의 설치작업이 신속하고 용이하게 이루어질 수 있게 됨으로 작업효율을 향상시키는 효과를 나타낸다.The present invention has the effect of improving the work efficiency by being able to quickly and easily install the formwork for the construction of the girder of the arch tunnel.

특히, 거푸집을 이루는 각 부품을 강관 내부에서 직접 조립체결하여 시공이 이루어지게 됨으로 좁은 작업공간에서도 작업이 용이하게 이루어질 수 있게 된다.
In particular, since the construction is made by directly assembling each part constituting the form within the steel pipe can be easily made in a narrow working space.

도 1은 터널시공을 위한 강관 추진상태 시공 구조도.
도 2는 터널시공을 위한 강관의 아치형 추진상태 시공 구조도.
도 3은 강관의 아치형 시공상태 정면 구조도.
도 4는 강관의 절개부 측면 구조도.
도 5는 강관의 절개부에 본 발명의 ㄷ형강 용접상태도.
도 6은 본 발명에서의 측벽철판 설치 상태도.
도 7은 본 발명에서의 거푸집 완성 상태도.
도 8은 본 발명 거푸집의 설치상태 요부 정단면 구조도.
도 9는 본 발명에 의한 거더 콘크리트 시공상태도.
도 10은 본 발명의 다른 실시예에 따른 거푸집 설치구조.
1 is a structural view of the steel pipe propulsion construction for tunnel construction.
Figure 2 is a construction of the arched propulsion state of the steel pipe for the tunnel construction.
3 is a front structural view of the arched construction state of the steel pipe.
Figure 4 is a cutaway side structural view of the steel pipe.
5 is a c-shaped welding state of the present invention to the cut portion of the steel pipe.
Figure 6 is a side wall mounting plate installation state in the present invention.
7 is a form completion state diagram in the present invention.
8 is a main cross-sectional structural view showing the installation state of the present invention formwork.
9 is a girder concrete construction state according to the present invention.
10 is a formwork installation structure according to another embodiment of the present invention.

이하, 본 발명의 구체적인 실시 예를 첨부 도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 일 실시 예에 따른 거더시공용 거푸집 설치과정을 살펴보면, 도 1에서와 같이 양측에서 터널의 시공이 이루어질 위치까지 지하로 수직갱을 형성시킨 후 수직갱에서 압입수단인 유압 추진잭(3)을 이용하여 강관(1,2)을 터널의 길이방향으로 순차 연접되게 압입하게 된다.First, looking at the installation process for girder construction formwork according to an embodiment of the present invention, as shown in Figure 1 to form a vertical shaft to the position where the construction of the tunnel on both sides, and then the hydraulic propulsion jack (3) Steel pipes (1, 2) are press-fitted in sequence in the longitudinal direction of the tunnel by using a).

이때에는 먼저, 양측에 메인강관(1)을 추진시킨 후 양측 메인강관(1) 사이로 다수의 서브강관(2)을 아치형태로 추진 설치하게 되는 것이다.In this case, first, the main steel pipe (1) on both sides is to be propelled and installed in the arch form a plurality of sub-steel pipe (2) between the two main steel pipe (1).

도 3은 메인강관(1)과 서브강관(2)이 아치형태로 시공된 상태를 나타낸 것으로서, 이후에는 압입된 강관(1,2)의 내부 흙을 제거하고 강관(1,2) 하부를 따라 횡방향으로 절개시켜 절개부(2a)를 형성하게 된다.3 shows a state in which the main steel pipe 1 and the sub steel pipe 2 are constructed in an arch shape, after which the soil inside the press-fitted steel pipes 1 and 2 is removed and along the lower part of the steel pipes 1 and 2. By cutting in the transverse direction to form the cutout (2a).

즉, 이때에는 도 4에서와 같이 강관(1,2)의 대략 하부 1/3 부위를 절개하여 횡방향으로 연속되는 공간이 확보될 수 있도록 하며, 이러한 절개부(2a)를 각 강관(1,2)의 길이방향으로 일정 간격으로 형성시키게 된다.That is, in this case, as shown in FIG. 4, the lower third third portion of the steel pipes 1 and 2 may be cut to ensure a space continuous in the transverse direction, and the cutout 2a may be formed in each steel pipe 1, 2. It is formed at regular intervals in the longitudinal direction of 2).

그리고, 절개부(2a)가 형성된 부위의 하부 흙을 일정 깊이로 제거하여 작업공간을 확보한 후, 절개부(2a) 양측에 일측이 개방된 ㄷ형강(10)을 용접 고정시키는데, 이때 상기 ㄷ형강(10)은 도 5에서와 같이 개방부위가 상부를 향하도록 위치시켜 용접을 실시하게 된다.Then, after securing the work space by removing the lower soil of the portion where the cutout (2a) is formed to a certain depth, and fixed to the c-shaped steel 10, one side of which is open on both sides of the cutout (2a), wherein the c As shown in FIG. 5, the shaped steel 10 is welded by placing the open portion facing upward.

이러한 ㄷ형강(10)은 일정 길이단위로 제작된 ㄷ형강(10)을 연속적으로 상호 용접시켜 설치되어질 수도 있으나, 절개부(2a) 내측 즉, 강관(1,2) 내벽면에서 ㄷ형강(10)의 양단부가 강관(1,2)의 내벽면에 용접되어지도록 하여 연속적이 아닌 개별체로 설치가 이루어질 수도 있게 된다.The c-shaped steel 10 may be installed by continuously welding the c-shaped steel 10 manufactured in a predetermined length unit, but the c-shaped steel 10 in the inner wall surface of the cutout 2a, that is, the steel pipes 1 and 2. Both ends of the) to be welded to the inner wall surface of the steel pipe (1, 2) it is possible to be installed as an individual rather than continuous.

이후, 도 6에 나타내어진 바와 같이 상기 용접 고정된 양측 ㄷ형강(10)에 각각 측벽철판(20)이 상호간에 이격상태를 이루는 가운데 걸려져 지지되는데, 이때 각 측벽철판(20)의 상단 외벽측에는 ㄷ형강(10)과의 걸림작용을 위해 걸림홈(21a)이 저면에 형성된 지지프레임(21)이 일체로 용접 구성되어지게 된다.Thereafter, as shown in FIG. 6, the side wall iron plates 20 are respectively supported on the weld-fixed both sides of the C-shaped steel 10 while being spaced apart from each other, and the upper outer wall side of each side wall iron plate 20 is supported. The support frame 21 formed at the bottom of the locking groove 21a for the locking action with the c-shaped steel 10 is integrally welded.

즉, 일정 곡률을 이루도록 제작된 다수의 측벽철판(20)을 상호간에 연결구비하되, 상호간 연결이 이루어지는 양단부에는 체결볼트(22)에 의한 관통 체결이 이루어지고 너트에 의해 고정이 이루어지도록 관통공(미도시)이 다수개 형성된 플랜지부(23)가 구비되어져 있음을 확인할 수 있다.That is, a plurality of side wall iron plate 20 is manufactured to achieve a certain curvature between each other, but the through-hole (2) through the fastening bolt 22 is made to the both ends of the mutual connection is made and fixed by a nut ( It can be seen that the flange portion 23 is provided with a plurality of (not shown) is provided.

그리고, 측벽철판(20)의 설치가 완료되면 도 7에 도시된 바와 같이 양측 측벽철판(20) 상호간을 하단부에서 하부막음판(30)에 의해 연결구성하게 된다.When the side wall plate 20 is installed, the side wall plate 20 is connected to each other by the lower blocking plate 30 at the lower end as shown in FIG. 7.

즉, 이때에는 측벽철판(20)과 하부막음판(30)의 볼팅체결이 이루어지게 되는데, 이를 위하여 상호간의 연결부위에는 체결플랜지부(25,35)가 구비되어져 있음을 확인할 수 있다.That is, at this time, the bolting fastening of the side wall iron plate 20 and the lower blocking plate 30 is made. For this purpose, it can be seen that the fastening flanges 25 and 35 are provided at the connection portions.

특히, 양측 측벽철판(20)에는 하부막음판(30)의 양측단부가 안착되어 안정적인 체결상태가 유지되어질 수 있도록 하는 안착부(24)가 하부에서 수평방향으로 돌출 구비되어져 있다.In particular, both side wall iron plate 20 is provided with a mounting portion 24 protruding from the bottom in the horizontal direction so that both ends of the lower blocking plate 30 is seated to maintain a stable fastening state.

이와 같은 과정을 강관(1,2)의 길이방향을 따라 일정 간격으로 반복 시행함으로서 본 발명의 거더 시공용 거푸집이 아치형태를 이루어 설치가 완료되면 강관(1,2)의 내부에 콘크리트를 타설하여 채우게 된다.By repeating the same process at regular intervals along the longitudinal direction of the steel pipes (1,2) by forming the girder construction form of the present invention in the form of an arch, when the installation is completed by pouring concrete inside the steel pipes (1,2) Filled up.

이때 강관(1,2) 내부로 타설된 콘크리트는 타설 과정에서 절개부(2a)를 통해 본 발명의 거푸집 구조체 내부로도 유입이 이루어짐으로서 도 9에서와 같이 거더콘크리트(40)가 완성되어질 수 있게 되는 것이다.At this time, the concrete poured into the steel pipes (1, 2) is also introduced into the formwork structure of the present invention through the cutout (2a) during the pouring process so that the girder concrete 40 can be completed as shown in FIG. Will be.

이후, 충진된 콘크리트의 경화가 완료되면 터널의 내부 흙을 제거하고 터널 바닥을 시공함으로서 아치형의 터널이 완성되어지게 된다.Then, when the hardening of the filled concrete is completed, the arched tunnel is completed by removing the internal soil of the tunnel and constructing the tunnel floor.

따라서, 본 발명에서는 ㄷ형강(10)과 측벽철판(20) 그리고 하부 막음판(30) 등과 같은 분할된 부품을 강관(1,2)을 따라 작업위치로 이동시킨 상태에서 현장에서 조립 시공이 신속하게 이루어질 수 있게 됨으로 보다 효과적인 거푸집 설치작업이 이루어지게 됨을 알 수 있다.Therefore, in the present invention, assembling construction in the field in the state of moving the divided parts, such as the c-shaped steel (10) and the side wall plate (20) and the lower blocking plate (30) to the working position along the steel pipe (1,2) It can be seen that more effective formwork installation work will be done by being able to be done.

한편, 도 10은 본 발명의 다른 실시 예를 나타낸 것으로서, 도시된 바와 같이 절개부(2a) 양측 상단부에 ㄷ형강(10)이 안착 및 가이드되어질 수 있도록 안내홈(2a')을 형성시킨 것이다.On the other hand, Figure 10 shows another embodiment of the present invention, as shown is to form a guide groove (2a ') so that the c-shaped steel 10 can be seated and guided on both upper ends of the cutout (2a).

이러한 안내홈(2a')구조를 이룸으로 인해 ㄷ형강(10)이 보다 안정적으로 지지되어짐과 함께 용접부위가 증대되어질 수 있게 되고, 철판(20)이 서브강관(2)과 접하게 되어 타설된 콘크리트의 누출이 방지되어 구조적 안정성이 증대되어질 수 있게 된다.Due to the structure of the guide groove 2a ', the C-shaped steel 10 can be more stably supported and the welded portion can be increased, and the steel plate 20 is in contact with the sub-steel pipe 2 to pour concrete. Leakage is prevented and structural stability can be increased.

그리고, 상기에서 본 발명의 특정한 실시 예가 설명 및 도시되었지만 본 발명의 거더 시공을 위한 거푸집 설치 구조가 당업자에 의해 다양하게 변형되어 실시될 수 있음은 자명한 일이다.In addition, although specific embodiments of the present invention have been described and illustrated above, it will be apparent that the formwork structure for constructing the girder of the present invention may be variously modified and implemented by those skilled in the art.

그러나, 이와 같은 변형된 실시예들은 본 발명의 기술적 사상이나 범위로부터 개별적으로 이해되어져서는 안되며, 이와 같은 변형된 실시 예들은 본 발명의 첨부된 특허청구범위 내에 포함된다 해야 할 것이다.It should be understood, however, that such modified embodiments are not to be understood individually from the spirit and scope of the invention, and such modified embodiments are intended to be included within the scope of the appended claims.

1 : 메인강관 2 : 서브강관
2a : 절개부 3 : 유압 추진잭
10 : ㄷ형강 20 : 측벽철판
21 : 지지프레임 21a: 걸림홈
22 : 체결볼트 23 : 연결플랜지부
24 : 안착부 25,35 : 체결플랜지부
30 : 하부 막음판 40 : 거더콘크리트
1: Main steel pipe 2: Sub steel pipe
2a: incision 3: hydraulic propulsion jack
10: C-shaped steel 20: side wall iron plate
21: support frame 21a: locking groove
22: fastening bolt 23: connection flange
24: seating part 25, 35: fastening flange part
30: lower blocking plate 40: girder concrete

Claims (5)

지하 터널 시공부위를 따라 다수의 강관(1,2)이 아치형태로 열을 이루어 압입 시공되고, 상기 강관(1,2) 하부를 따라 횡방향으로 절개시킨 절개부(2a)를 강관(1,2)의 길이방향을 따라 일정 간격으로 형성시킴에 있어서,
상기 강관의 절개부(2a) 양측에는 일측이 개방된 ㄷ형강(10)이 용접 고정되되, 상기 ㄷ형강(10)은 개방부위가 상부를 향하도록 구성시키고;
상기 용접 고정된 양측 ㄷ형강(10)에는 각각 측벽철판(20)이 상호간에 이격상태를 이루는 가운데 걸려져 지지되며;
상기 양측 측벽철판(20) 상호간에는 하단부에서 하부막음판(30)에 의해 연결구성이 이루어지고,
상기 측벽철판(20)에는 상단 외벽측에는 ㄷ형강(10)과의 걸림작용을 위해 걸림홈(21a)이 저면에 형성된 지지프레임(21)이 일체로 용접 구성되며;
상기 측벽철판(20) 및 하부막음판(30)은 일정 곡률을 이루도록 제작된 다수개가 상호간에 연결구비되되, 상호간 연결부위에는 체결볼트(22)에 의한 관통 체결이 이루어지도록 플랜지부(23)가 구비되고;
상기 측벽철판(20)에는 하부막음판(30)의 양측단부가 안착되어질 수 있도록 하는 안착부(24)가 하부에서 수평방향으로 돌출 구비된 것을 특징으로 하는 아치형 터널의 거더시공용 거푸집.
A plurality of steel pipes (1,2) along the underground tunnel construction site in the form of an arch to press-fit the construction, the incision (2a) cut in the transverse direction along the lower portion of the steel pipe (1,2) steel pipe (1, In forming at regular intervals along the longitudinal direction of 2),
C-shaped steel 10, one side of which is open at both sides of the cutout portion 2a of the steel pipe, is fixed by welding, and the c-shaped steel 10 is configured such that the open portion faces upwards;
The side walls of the steel plate 20 are hung and supported while being spaced apart from each other in the weld-fixed both c-shaped steels 10;
The two side wall plate 20 is connected to each other by a lower blocking plate 30 at the lower end,
The side wall iron plate 20 is integrally welded with a support frame 21 having a locking groove 21a formed on a bottom surface of the upper outer wall for engaging with the c-shaped steel 10;
The side wall iron plate 20 and the lower blocking plate 30 is provided with a plurality of connections to each other to achieve a predetermined curvature, the flange portion 23 is to be through-through by the fastening bolt 22 to the connection portion between each other Provided;
Formwork for the girder construction of the arch tunnel is characterized in that the mounting portion 24 protrudes in the horizontal direction from the bottom to the side wall plate 20 to be seated on both side ends of the lower blocking plate (30).
삭제delete 삭제delete 삭제delete 청구항 1에 있어서,
상기 절개부(2a)는 양측 상단부에 ㄷ형강(10)이 안착 및 가이드되어질 수 있도록 안내홈(2a')을 형성시키는 것을 특징으로 하는 아치형 터널의 거더시공용 거푸집.
The method according to claim 1,
The cutout (2a) is a formwork for girder construction of the arched tunnel, characterized in that to form a guide groove (2a ') to be seated and guided in the upper c-section (10) on both sides.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367735A (en) * 2011-12-03 2012-03-07 长安大学 Back-to-back waterstop installation equipment for tunnel construction joint
KR101871446B1 (en) * 2017-11-27 2018-06-26 주식회사 엔코텍이엔씨 Underground structure with high accuracy press and longitudinal guide drain
CN110242333A (en) * 2019-07-08 2019-09-17 云南省建设投资控股集团有限公司 A kind of tunnel grillage moulding bed and its processing method

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JP2003013690A (en) 2001-07-03 2003-01-15 Japan Steel & Tube Constr Co Ltd Jacking pipe and pipe jacking method using it
KR100713787B1 (en) 2006-08-25 2007-05-02 송관권 The underground structure assembly and the underground structure building method which it uses
KR100715431B1 (en) 2005-06-16 2007-05-08 김철규 A clust drill

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JPH09256361A (en) * 1996-03-26 1997-09-30 Daiwa Kiko Kk Inner-excavation excavator
JP2003013690A (en) 2001-07-03 2003-01-15 Japan Steel & Tube Constr Co Ltd Jacking pipe and pipe jacking method using it
KR100715431B1 (en) 2005-06-16 2007-05-08 김철규 A clust drill
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CN102367735A (en) * 2011-12-03 2012-03-07 长安大学 Back-to-back waterstop installation equipment for tunnel construction joint
CN102367735B (en) * 2011-12-03 2013-09-11 长安大学 Back-to-back waterstop installation equipment for tunnel construction joint
KR101871446B1 (en) * 2017-11-27 2018-06-26 주식회사 엔코텍이엔씨 Underground structure with high accuracy press and longitudinal guide drain
CN110242333A (en) * 2019-07-08 2019-09-17 云南省建设投资控股集团有限公司 A kind of tunnel grillage moulding bed and its processing method

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