KR20110122313A - Steel pipe for underground watertight wall - Google Patents

Steel pipe for underground watertight wall Download PDF

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KR20110122313A
KR20110122313A KR1020100041733A KR20100041733A KR20110122313A KR 20110122313 A KR20110122313 A KR 20110122313A KR 1020100041733 A KR1020100041733 A KR 1020100041733A KR 20100041733 A KR20100041733 A KR 20100041733A KR 20110122313 A KR20110122313 A KR 20110122313A
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South Korea
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main body
wing member
steel pipe
underground
pipe
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KR1020100041733A
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Korean (ko)
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KR101204058B1 (en
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양숙경
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양숙경
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    • 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
    • E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
    • E02D5/06—Fitted piles or other elements specially adapted for closing gaps between two sheet piles or between two walls of sheet piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
    • 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
    • E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
    • E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
    • 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
    • E02D5/14—Sealing joints between adjacent sheet piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1628—Shapes rectangular

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

PURPOSE: Steel pipes for construction of an underground cutoff wall are provided to secure enough strength, the advantage of a cast-in place pile method, and obtain high cutoff effect. CONSTITUTION: A steel pipe for an underground cutoff wall comprises a main body, a front blade member(120), and a rear blade member(130). The front blade member is installed lengthwise on the front end of the main body, with an outer end inclined rearward. The rear blade member is installed lengthwise on the rear end of the main body, with an outer end inclined frontward.

Description

지중 차수벽 형성용 강관{Steel Pipe for Underground Watertight Wall}Steel Pipe for Underground Watertight Wall}

본 발명은 토목 분야에 관한 것으로서, 상세하게는 지중 차수벽(遮水壁)에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of civil engineering, and more particularly, to underground water order walls.

현재, 흙막이 및 차수를 목적으로 지중에 벽체를 형성하기 위한 공법으로서, C.I.P.(cast in place pile) 공법, S.C.W.(soil cement wall) 공법 등이 주로 사용되고 있다.At present, C.I.P. (cast in place pile) method, S.C.W. (soil cement wall) method and the like are mainly used as a method for forming walls in the ground for the purpose of soil barrier and order.

C.I.P.(cast in place pile) 공법은 일종의 주열식 현장타설 말뚝으로서, 소정 직경으로 천공 후 주입식 콘크리트에 의해 토류벽을 형성하는 공법을 말하며, 주열식 강성체를 형성하므로 강도가 우수하다는 장점을 가지나, 연결부에 누수현상발생가능성이 크다는 단점을 갖는다.The cast in place pile (CIP) method is a kind of cast-in-place casting pile, which is a method of forming a earth wall by injection-type concrete after drilling to a predetermined diameter, and has the advantage of excellent strength because it forms a cast-heated rigid body. It has the disadvantage that the possibility of water leakage is great.

S.C.W.(soil cement wall) 공법은 주열식 지중벽으로 계획심도까지 천공 후 주입제(soil cement)를 주입하여 벽체를 형성하고, H 파일을 응력재로 삽입하여 토류벽을 형성하는 공법을 말하며, 차수 효과가 우수한 반면, 강도가 떨어진다는 단점을 갖는다.The SCW (soil cement wall) method is a method of forming a wall by injecting oil cement after drilling to the planned depth as a main heat-based underground wall, and forming a earth wall by inserting an H file as a stress material. On the other hand, it has the disadvantage of low strength.

즉, 현장의 여건상 차수벽 구조물이 높은 강도를 요구하는 경우에는 상기 C.I.P. 공법과 같은 주열식 현장타설 말뚝공법이 적절하다 할 수 있는데, 이는 기본적으로 하나의 케이싱(casing)에 의해 하나의 현장타설 말뚝이 형성되는 방식을 취하므로, 각각 독립적으로 형성된 말뚝 사이로 흐르는 물을 차단하기가 곤란하다는 근본적인 문제점을 안고 있다.That is, when the order wall structure requires high strength due to the condition of the site, the C.I.P. A column-type cast-in-place pile method, such as a construction method, may be appropriate. This basically takes a way in which one cast-in-place pile is formed by one casing, so that water flowing between each independently formed pile is blocked. There is a fundamental problem that is difficult.

이러한 문제를 해소하기 위하여, 각 말뚝의 일부가 상호 겹치도록 시공하는 오버랩(overlap) 배열방법, 말뚝을 갈짓자 형상으로 배치하는 방법, 말뚝 사이에 소일 시멘트에 의한 벽체를 형성하거나 철근바구니 등에 의한 별도 구조물을 설치하는 방법 등이 고안되어 왔다.In order to solve such a problem, an overlap arrangement method in which parts of each pile are overlapped with each other, a method of arranging piles in a shape of a pile, a wall made of soil cement between piles, or a separate basket by reinforcing baskets, etc. A method of installing a structure has been devised.

그러나, 그 어느 것도 완벽한 차수 효과를 얻을 수는 없었고, 우천, 지하수의 상승 등으로 인하여 과대한 토압이 발생함에 따라 차수벽이 위험상태에 처하는 경우에 대한 대비책이 없다는 문제가 있었다.However, none of them were able to obtain a perfect order effect, and there was a problem that there was no countermeasure against the case where the order wall was in danger due to excessive earth pressure due to rainy weather or the rise of groundwater.

나아가, 합벽 등의 타설에 의해 지중 차수벽을 본 구조물의 지중벽체(영구벽체)로 활용하고자 하는 경우에는, 더욱 높은 차수효과가 요구되는데, 현재까지는 이를 만족하는 공법이 개발되지 않고 있는 실정이다.Furthermore, when the underground order wall is to be used as the underground wall (permanent wall) of the present structure by placing the plywood, a higher degree of order is required, and until now, a construction method that satisfies this is not developed.

본 발명은 상기와 같은 문제점을 해결하기 위하여 도출된 것으로서, 주열식 현장타설 말뚝공법의 장점인 충분한 강도를 확보할 수 있도록 하면서도, 높은 차수 효과를 얻을 수 있도록 하는 지중 차수벽 형성을 위한 강관을 제시하는 것을 그 목적으로 한다.The present invention was derived to solve the above problems, while providing a steel pipe for the formation of underground water barrier wall to ensure a high degree of effect, while ensuring sufficient strength, which is an advantage of the cast-in-place casting pile method For that purpose.

상기 과제의 해결을 위하여, 본 발명은 본체(110); 상기 본체(110)의 길이방향을 따라 전방 측단부에 장착됨과 아울러, 외측 단부가 후방을 향하도록 경사지게 장착된 전방 날개부재(120); 상기 본체(110)의 길이방향을 따라 후방 측단부에 장착됨과 아울러, 외측 단부가 전방을 향하도록 경사지게 장착된 후방 날개부재(130);를 포함하는 것을 특징으로 하는 지중 차수벽 형성용 강관(100)을 제시한다.In order to solve the above problems, the present invention the main body (110); A front wing member (120) mounted to the front side end portion along the longitudinal direction of the main body (110) and inclinedly mounted such that its outer end faces the rear; The rear wing member 130 is mounted to the rear side end along the longitudinal direction of the main body 110, the rear wing member 130 is inclined so that the outer end is toward the front; To present.

상기 본체(110)는 사각형 단면 구조인 것이 바람직하다.The main body 110 preferably has a rectangular cross-sectional structure.

상기 전방 날개부재(120) 및 후방 날개부재(130)는 상기 본체(110)의 일측에만 장착된 것이 바람직하다.The front wing member 120 and the rear wing member 130 is preferably mounted only on one side of the main body 110.

상기 전방 날개부재(120) 및 후방 날개부재(130)는 상기 본체(110)의 양측에 장착된 것이 바람직하다.The front wing member 120 and the rear wing member 130 is preferably mounted on both sides of the main body 110.

상기 전방 날개부재(120) 및 후방 날개부재(130)는 내측 단부가 상기 본체(110)의 외면에 용접결합한 것이 바람직하다.The front wing member 120 and the rear wing member 130, the inner end is preferably welded to the outer surface of the main body 110.

상기 전방 날개부재(120) 및 후방 날개부재(130)와 상기 본체(110) 사이의 영역 중 외측 영역에는 수팽창지수제(101)가 도포된 것이 바람직하다.It is preferable that the water-expandable index 101 is applied to an outer region of the region between the front wing member 120 and the rear wing member 130 and the main body 110.

배면토사의 물이 배출되도록, 상기 본체(110)에 형성된 배수공에 설치된 배수관(140); 상기 배수관(140)의 단부에 착탈가능하도록 장착되는 마개(141);를 더 포함하는 것이 바람직하다.A drain pipe 140 installed in a drain hole formed in the main body 110 to discharge water of the rear soil; It is preferable to further include; a stopper 141 is detachably mounted to the end of the drain pipe 140.

상기 배수관(140)은 상기 본체(110)의 상하방향을 따라 다수가 설치된 것이 바람직하다.It is preferable that a plurality of drain pipes 140 are installed along the vertical direction of the main body 110.

본 발명은 주열식 현장타설 말뚝공법의 장점인 충분한 강도를 확보할 수 있도록 하면서도, 높은 차수 효과를 얻을 수 있도록 하는 지중 차수벽 형성을 위한 강관을 제시한다.The present invention provides a steel pipe for the formation of underground water barrier walls to ensure a high degree of effect, while ensuring sufficient strength, which is an advantage of the cast-in-place casting pile method.

도 1 이하는 본 발명의 실시예를 도시한 것으로서,
도 1은 제1 실시예의 평면도.
도 2는 제1 실시예의 사용상태도.
도 3은 제2 실시예의 평면도.
도 4는 제2 실시예의 제1 사용상태도.
도 5는 제2 실시예의 제2 사용상태도.
도 6은 제3 실시예의 평면도.
도 7은 제3 실시예의 정면도.
도 8은 제4 실시예의 사용상태도.
도 9는 제5 실시예의 제1 사용상태도.
도 10은 제5 실시예의 제2 사용상태도.Figure 1 below shows an embodiment of the present invention,
1 is a plan view of a first embodiment;
2 is a use state diagram of the first embodiment;
3 is a plan view of a second embodiment;
4 is a first use state diagram of the second embodiment;
5 is a second use state diagram of the second embodiment;
6 is a plan view of a third embodiment;
7 is a front view of the third embodiment.
Fig. 8 is a use state diagram of the fourth embodiment.
9 is a first use state diagram of the fifth embodiment;
10 is a second use state diagram of the fifth embodiment;

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 발명은 기본적으로, 주열식 현장타설 말뚝공법에 의해 지중 차수벽을 형성하기 위한 강관(100)에 관한 것이다.As shown below in Figure 1, the present invention basically relates to a steel pipe (100) for forming the underground water barrier wall by a column-heated casting method.

이는 본체(110); 본체(110)의 길이방향을 따라 전방 측단부에 장착됨과 아울러, 외측 단부가 후방을 향하도록 경사지게 장착된 전방 날개부재(120); 본체(110)의 길이방향을 따라 후방 측단부에 장착됨과 아울러, 외측 단부가 전방을 향하도록 경사지게 장착된 후방 날개부재(130);를 포함하여 구성되는 것을 특징으로 한다.It is the main body 110; A front wing member 120 mounted to the front side end portion along the longitudinal direction of the main body 110 and inclinedly mounted such that the outer end thereof faces backward; It is mounted to the rear side end portion along the longitudinal direction of the main body 110, the rear wing member 130 is inclined mounted so that the outer end toward the front; characterized in that it comprises a.

즉, 강관 본체의 측단부에 전방 날개부재(120) 및 후방 날개부재(130)를 장착함으로써, 이들이 인접하여 장착되는 강관의 측단부 전후방을 덮도록 하여, 차수가 이루어지도록 한 것이다(도 2).That is, by mounting the front wing member 120 and the rear wing member 130 in the side end portion of the steel pipe main body, so as to cover the front and rear side end portions of the steel pipe to be adjacently mounted, the order is made (Fig. 2) .

나아가, 이들 전방 날개부재(120) 및 후방 날개부재(130)는 각각 외측 단부가 후방 또는 전방을 향하도록 경사지게 장착되므로, 이들 사이에 인접 강관을 끼우면 날개부재들의 사이가 벌어지게 되고, 끼움 작업 완료 후 날개부재들의 탄성회복력에 의해 날개부재들이 인접 강관에 압착하게 될 것인바, 우수한 차수 효과를 얻을 수 있다(도 2).Furthermore, these front wing member 120 and the rear wing member 130 is mounted so as to be inclined so that the outer end toward the rear or front, respectively, so that the adjacent steel pipes are sandwiched between them, the gap between the wing members, and complete the fitting operation After the wing members will be compressed to the adjacent steel pipe by the elastic recovery force of the wing members, it is possible to obtain an excellent order effect (Fig. 2).

또한, 전방 날개부재(120) 및 후방 날개부재(130)의 2중 구조에 의해 차수가 이루어지므로, 시공 전후에 걸쳐 하나의 날개부재가 부분적으로 훼손되더라도, 전체적으로는 차수 및 방수에 지장을 주지 않는다는 장점이 추가된다.In addition, since the order is made by the dual structure of the front wing member 120 and the rear wing member 130, even if one wing member is partially damaged before and after construction, it does not interfere with the order and waterproof as a whole. The advantage is added.

강관 본체(110)는 어떠한 구조를 취하더라도 관계없으나, 사각형 단면 구조를 취하는 경우, 인접하는 양 강관이 상호 면접촉하면서 결합하도록 할 수 있으므로, 일측 강관의 모서리에 날개부재를 장착함으로써, 안정적인 차수 구조를 이룰 수 있다는 장점이 있다.The steel pipe main body 110 may take any structure, but when the rectangular cross-sectional structure is taken, both adjacent steel pipes may be coupled while being in surface contact with each other. There is an advantage that can be achieved.

또한, 초기에는 날개부재 및 본체 사이의 틈을 통해 어느 정도의 누수가 이루어질 수 있으나, 점차 배후토사의 세립분이 그 틈에 끼게 되고, 양측 부재의 표면에 녹이 발생함에 따라 높은 방수효과를 얻을 수 있다.In addition, at first, some amount of water leakage may occur through the gap between the wing member and the main body, but gradually fine grains of the rear soil sand are caught in the gap, and as the rust occurs on the surfaces of both members, a high waterproof effect may be obtained. .

도 1은 전방 날개부재(120) 및 후방 날개부재(130)가 본체(110)의 일측에만 장착된 실시예에 관한 것으로서, 이 경우에는 동일한 구조를 취하는 강관(100)들에 의해 차수벽이 형성된다(도 2).1 illustrates an embodiment in which the front wing member 120 and the rear wing member 130 are mounted only on one side of the main body 110, in which case, the order wall is formed by the steel pipes 100 having the same structure. (FIG. 2).

도 3은 전방 날개부재(120) 및 후방 날개부재(130)가 본체(110)의 양측에 장착된 실시예에 관한 것으로서, 이 경우에는 날개부재를 구비한 강관(100)과 그렇지 않은 강관(100a)이 번갈아 가면서 설치되는 구성에 의해 차수벽이 형성된다(도 4,5).3 illustrates an embodiment in which the front wing member 120 and the rear wing member 130 are mounted at both sides of the main body 110, in which case the steel pipe 100 having the wing member and the steel pipe 100a not being provided. ), The order walls are formed by alternating installation (Figs. 4 and 5).

제조 및 시공의 편의성 측면에서 후자의 실시예가 더욱 바람직하다고 할 수 있다.The latter embodiment is more preferable from the viewpoint of convenience of manufacture and construction.

또한 동일한 취지로, 전방 날개부재(120) 및 후방 날개부재(130)는 내측 단부를 본체(110)의 외면에 용접결합하는 것이 바람직하다.In addition, for the same purpose, the front wing member 120 and the rear wing member 130 is preferably welded to the inner end of the outer surface of the main body 110.

전방 날개부재(120) 및 후방 날개부재(130)와 상기 본체(110) 사이의 영역 중 외측 영역에는 수팽창지수제(101)가 도포되는 경우, 수분의 침투시 수팽창지수제(101)의 팽창에 의해 더욱 확실한 방수구조를 얻을 수 있다(도 3).When the water-expandable index 101 is applied to an outer region of the region between the front wing member 120 and the rear wing member 130 and the main body 110, By expansion, a more sure waterproof structure can be obtained (FIG. 3).

배면토사의 물이 배출되도록, 본체(110)에 형성된 배수공에 설치된 배수관(140); 배수관(140)의 단부에 착탈가능하도록 장착되는 마개(141);를 더 포함하는 구성을 취하는 경우, 평소에는 마개(141)를 막아 차수 효과를 얻도록 하고, 우천, 지하수의 상승 등으로 인하여 과대한 토압이 발생하는 경우, 위 마개(141)의 이탈에 의해 배수관(140)의 단부를 개방하여 배면토사의 물이 배출되도록 함으로써, 차수벽이 붕괴 등 위험상태에 처하는 것을 방지할 수 있다(도 6).A drain pipe 140 installed in a drain hole formed in the main body 110 to discharge water of the rear soil; When the constitution further includes a stopper 141 which is mounted to be detachably attached to an end of the drain pipe 140, the stopper 141 is normally blocked to obtain a degree effect, and due to excessive rain or groundwater rise, etc. When one earth pressure is generated, by opening the end of the drain pipe 140 by the release of the upper stopper 141 to discharge the water of the rear soil, it is possible to prevent the order wall from being in a dangerous state such as collapse (FIG. 6). ).

이러한 배수관(140)이 본체(110)의 상하방향을 따라 다수가 설치된 구성을 취하는 경우, 일부의 배수관(140)은 폐쇄하고, 다른 배수관(140)은 개방하는 방식 등에 의해 배수량 및 배후토압의 증대량을 조절할 수 있다는 측면에서 더욱 바람직하다(도 7).When the drain pipe 140 takes a configuration in which a plurality of the drain pipes 140 are installed along the up and down direction of the main body 110, some of the drain pipes 140 are closed and the other drain pipes 140 are opened. More preferred in terms of controlling the mass (FIG. 7).

사각형 단면 구조를 취하는 강관(100)에 의해 차수벽을 형성하는 경우로서, 모서리 구간의 경우에는, 도 8에 도시된 바와 같이, 날개부재가 없는 강관(100a)의 측방에 날개부재를 구비한 강관(100)을 배치하되, 절곡부에 별도의 "ㄴ"자형 날개부재(150)를 설치함으로써, 차수가 이루어지도록 할 수 있다.In the case of forming the order wall by the steel pipe 100 having a rectangular cross-sectional structure, in the case of the edge section, as shown in Figure 8, the steel pipe provided with a wing member on the side of the steel pipe (100a) without the wing member ( Place 100, but by installing a separate "b" shaped wing member 150 in the bent portion, it can be made to the order.

위에서는 본체(110)가 하나의 사각형 단면을 이루는 경우에 관하여만 설명하였으나, 본체(110)의 내부에 격벽(111)이 형성됨으로써, 복수의 사각형 단면이 형성된 구조를 취할 수도 있다(도 9,10).Although only the case where the main body 110 has one rectangular cross section has been described above, the partition wall 111 is formed inside the main body 110, so that a plurality of rectangular cross sections are formed (FIG. 9, 10).

이 경우, 복수의 사각형 단면이 형성된 본체(110)를 구비한 강관(100)을 천공 홀에 삽입함으로써, 하나의 사각형 단면에 의해 형성된 강관(100) 여럿을 삽입하는 것과 동일한 효과를 얻을 수 있는바, 작업의 편의성 측면에서 더욱 바람직하다.In this case, by inserting the steel pipe 100 having the main body 110 having a plurality of rectangular cross sections into the drilling hole, the same effect as that of inserting a plurality of steel pipes 100 formed by one rectangular cross section can be obtained. It is more preferable in terms of convenience of work.

본 발명에 의한 강관(100)은 지반의 천공작업(사각형 강관의 경우 보오링과 항타 방식을 함께 적용하는 것이 바람직함), 천공 홀에 대한 강관의 순차적 삽입(이때, 인접 강관의 날개부재에 의해 가이드되면서 삽입됨), 강관 내부에 대한 콘크리트 속채움이나 교반 등의 순서로 시공되어 지중 차수벽을 형성하게 된다.Steel pipe 100 according to the present invention is the drilling work of the ground (in the case of a square steel pipe is preferably applied together with the boring ring and driving method), the sequential insertion of the steel pipe to the drilling hole (in this case, by the wing member of the adjacent steel pipe Inserted into the guide), and the construction of concrete underfill or agitation to the inside of the steel pipe is performed to form the underground order wall.

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.Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

100 : 강관 101 : 수팽창지수제
110 : 본체 120 : 전방 날개부재
130 : 후방 날개부재 140 : 배수관
141 : 마개100: steel pipe 101: water expansion index
110: main body 120: front wing member
130: rear wing member 140: drain pipe
141: stopper

Claims (9)

본체(110);
상기 본체(110)의 길이방향을 따라 전방 측단부에 장착됨과 아울러, 외측 단부가 후방을 향하도록 경사지게 장착된 전방 날개부재(120);
상기 본체(110)의 길이방향을 따라 후방 측단부에 장착됨과 아울러, 외측 단부가 전방을 향하도록 경사지게 장착된 후방 날개부재(130);를
포함하는 것을 특징으로 하는 지중 차수벽 형성용 강관(100).Main body 110;
A front wing member (120) mounted to the front side end portion along the longitudinal direction of the main body (110) and inclinedly mounted such that its outer end faces the rear;
It is mounted to the rear side end portion along the longitudinal direction of the main body 110, and the rear wing member 130 is inclined mounted so that the outer end toward the front;
Underground order wall forming steel pipe, characterized in that it comprises a. 제1항에 있어서,
상기 본체(110)는 사각형 단면 구조인 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
The main body 110 is a steel pipe for forming the underground order wall, characterized in that the rectangular cross-sectional structure. 제1항에 있어서,
상기 전방 날개부재(120) 및 후방 날개부재(130)는 상기 본체(110)의 일측에만 장착된 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
The front wing member 120 and the rear wing member 130 is underground pipe wall forming steel pipe, characterized in that mounted on only one side of the main body (110). 제1항에 있어서,
상기 전방 날개부재(120) 및 후방 날개부재(130)는 상기 본체(110)의 양측에 장착된 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
The front wing member (120) and the rear wing member (130) is a steel pipe for forming the underground order wall, characterized in that mounted on both sides of the main body (110). 제1항에 있어서,
상기 전방 날개부재(120) 및 후방 날개부재(130)는 내측 단부가 상기 본체(110)의 외면에 용접결합한 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
The front wing member (120) and the rear wing member (130) is a steel pipe for forming the underground order wall, characterized in that the inner end is welded to the outer surface of the main body (110). 제1항에 있어서,
상기 전방 날개부재(120) 및 후방 날개부재(130)와 상기 본체(110) 사이의 영역 중 외측 영역에는 수팽창지수제(101)가 도포된 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
Steel expansion pipe forming a ground order wall, characterized in that the water-expandable index 101 is applied to the outer region of the region between the front wing member 120 and the rear wing member 130 and the main body 110. 제1항에 있어서,
배면토사의 물이 배출되도록, 상기 본체(110)에 형성된 배수공에 설치된 배수관(140);
상기 배수관(140)의 단부에 착탈가능하도록 장착되는 마개(141);를
더 포함하는 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
A drain pipe 140 installed in a drain hole formed in the main body 110 to discharge water of the rear soil;
A stopper 141 detachably mounted at an end of the drain pipe 140;
Underground order wall forming steel pipe 100, characterized in that it further comprises. 제7항에 있어서,
상기 배수관(140)은 상기 본체(110)의 상하방향을 따라 다수가 설치된 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 7, wherein
The drain pipe 140 is underground pipe wall forming steel pipe, characterized in that a plurality is installed along the vertical direction of the main body (110). 제1항에 있어서,
상기 본체(110)는 내부에 격벽(111)이 형성됨으로써, 복수의 사각형 단면이 형성된 구조인 것을 특징으로 하는 지중 차수벽 형성용 강관(100).The method of claim 1,
The main body 110 is formed by the partition wall 111, the underground pipe wall forming steel pipe, characterized in that the structure is formed with a plurality of rectangular cross-section.
KR1020100041733A 2010-05-04 2010-05-04 Steel Pipe for Underground Watertight Wall KR101204058B1 (en)

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