KR20020028985A - Process for constructing waterproofing wall for preventing sinking and for waterproof of the ground - Google Patents

Process for constructing waterproofing wall for preventing sinking and for waterproof of the ground Download PDF

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Publication number
KR20020028985A
KR20020028985A KR1020020013011A KR20020013011A KR20020028985A KR 20020028985 A KR20020028985 A KR 20020028985A KR 1020020013011 A KR1020020013011 A KR 1020020013011A KR 20020013011 A KR20020013011 A KR 20020013011A KR 20020028985 A KR20020028985 A KR 20020028985A
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South Korea
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ground
excavator
cylinder
woven fabric
subsidence
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KR1020020013011A
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Korean (ko)
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KR100439606B1 (en
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김기수
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김기수
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Priority to KR10-2002-0013011A priority Critical patent/KR100439606B1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001—Improving soil or rock, e.g. by freezing; Injections
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

PURPOSE: An installation method of a ground subsidence-proofing and waterproofing wall for an underground structure is provided to execute a construction work easily and to complete large quantity of construction works effectively for a short term. CONSTITUTION: The installation method of a ground subsidence-proofing and waterproofing wall for an underground structure comprises the steps of: when installing a ring or rectangular H-beam(8) by pressing an excavator(7) with a propulsion jack(1) and excavating the ground for installing an underground structure, attaching a ground subsidence-proofing woven fabric plate(7) temporarily inside a rear working tub(3) of the rear end of the excavator(4), attaching woven fabric bags(9,9') for ground works attached with an anti-counterflow valve(10) connected with a hose for supplying a waterproofing-cum-subsidence proofing agent intermittently on a location for installing H-beams under the woven fabric plate(7), installing beams(8) on the spot where the woven fabric bags(9,9') are attached at regular intervals, connecting and welding upper ends(8') of the beams by a steel plate(11), then filing up each beam with a bearing plate to form an underground structure bearing wall, installing an anti-counterflow valve(14) connected to an outer hose for injecting a waterproofing-cum subsidence proofing agent to pass through a steel plate(14) and a strut in a space(13) formed among the woven fabric plate(7), the steel plate(11) and woven fabric bags(9,9'), injecting a waterproofing-cum-subsidence proofing agent through anti-counterflow valves(10,14) connected to the outer hose to fill up woven fabric bags(9,9') and the space(13), then hardening to form a ground subsidence-proofing and underground water anti-discharging wall.

Description

지하구조물용 지반 침하방지 및 방수벽 설치방법{Process for constructing waterproofing wall for preventing sinking and for waterproof of the ground}Process for constructing waterproofing wall for preventing sinking and for waterproof of the ground}

본 발명은 터널과 같은 지하구조물 설치시에 지반의 침하방지 및 지하수 유출 방지벽의 설치방법에 관한 것으로서, 특히 지하구조물 설치전 지하구조물 설치지반에 부직포판, 부직포낭 및 철판과 지반 침하방지겸 방수제를 이용하여 지반 침하방지 및 지하수 유출 방지벽 설치방법에 관한 것이다.The present invention relates to a method for installing the ground and preventing groundwater outflow walls when installing underground structures such as tunnels, and in particular, nonwoven fabrics, nonwoven bags and iron plates and ground subsidence prevention and waterproofing agents in the underground structure installation ground prior to installation of underground structures. It relates to the ground subsidence prevention and groundwater outflow prevention wall installation method using.

일반적으로 지하구조물을 설치시에 지하를 굴착장치로 굴착과 동시에 링형 H빔이나 각형 H빔을 설치하여 프리케스팅 콘크리트, 철근 콘크리트, 각목 또는 철판등으로된 버팀판으로 각빔과 빔을 연결한다음 터널 콘크리트 구조물을 시공하므로서 지하 굴착부의 지반 침하 및 지하수 유출 현상이 일어나기 쉬워서 작업이 어렵거나 지연되게 되고 또한 그로인해 침하되는 토사와 유출되는 지하수의 처리에 많은 문제점이 있었다.In general, when installing underground structures, the underground is excavated with an excavation device, and at the same time, a ring type H beam or a square H beam is installed to connect the angle beams and beams with a brace made of precast concrete, reinforced concrete, lumber, or iron plate. As the construction of concrete structures, ground subsidence and groundwater outflow phenomenon easily occur in the underground excavation, and thus, work is difficult or delayed, and thus, there are many problems in the treatment of sediment and sewage groundwater that is settled.

본 발명은 상기한 바와같은 종래의 터널과 같은 지하구조물의 설치시에 지반침하 및 지하수 유출에 따른 문제점을 해결하여 굴착된 지반에 지반 침하방지겸 지하수 유출 방지벽을 설치함으로써 지반침하나 지하수 유출이 없이 쾌적한 상태로 구조물을 설치하도록하기 위해 지반에 부직포, 부직포낭 및 철판등과 지반 침하방지겸 방수제를 이용하여 지반 침하방지 및 지하수 유출 방지벽을 설치하는 방법을제공코저 하는 것으로서 이를 첨부된 도면을 참조하면서 상세히 설명하면 다음과 같다.The present invention solves the problems caused by ground subsidence and groundwater outflow when installing underground structures such as the conventional tunnel as described above by installing ground subsidence prevention and groundwater outflow prevention wall in the excavated ground groundwater or groundwater outflow In order to install the structure in a comfortable state without using a non-woven fabric, non-woven bag and iron plate, and ground subsidence prevention and groundwater prevention method to provide a method of installing the ground subsidence prevention and groundwater outflow prevention wall as shown in the accompanying drawings Detailed description with reference to the following.

도 1 은 지하구조물 축조 상태의 단면도.1 is a cross-sectional view of the construction of the underground structure.

도 2 는 지하구조물 축조시의 지반 침하방지 및 방수공사 부분의 확대 단면도.Figure 2 is an enlarged cross-sectional view of the ground subsidence prevention and waterproofing construction during construction of underground structures.

도 3(a) 는 도 1의 A-A선 단면도.3A is a cross-sectional view taken along the line A-A of FIG.

도 3(b) 는 도 1의 B-B선 단면도.(B) is sectional drawing in the B-B line | wire of FIG.

도 4(a) 는 도 1의 다른예의 A-A선 단면도.4 (a) is a cross-sectional view taken along the line A-A of another example of FIG.

도 4(b) 는 도 1의 다른예의 B-B선 단면도.4 (b) is a sectional view taken along the line B-B in another example of FIG.

* 도면중 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 : 추진잭2 : 스트러트(받침대)1: Propulsion Jack 2: Strut

3 : 후방작업통4 : 굴진기3: rear working cylinder 4: excavator

5 : 수직갱6 : 지반5: vertical shaft 6: ground

7 : 부직포 판8 : 빔7: nonwoven board 8: beam

8' : 빔 상단9,9' : 부직포 낭8 ': beam top 9, 9': non-woven bag

10,14 : 역류방지 밸브11 : 철판10,14: non-return valve 11: iron plate

12 : 버팀판13 : 공간12: prop plate 13: space

15 : 굴진기 실린더16 : 굴진기 내부 작업통 실린더15: excavator cylinder 16: excavator internal working cylinder

17 : 콘크리트 구조물18 : 여굴17: concrete structure 18: overload

19 : 굴진기 내부 실린더 후미19: cylinder inner cylinder tail

굴진기(4)를 추진잭(1)과 굴진기 실린더(15)와 상기 굴진기 실린더(15)의 후방에 고정 장착된 굴진기 내부 작업통 실린더(16)를 차례로 압착하면서 지하구조물 설치를 위한 지반을 굴착하여 터널지지용의 링형이나 4각형의 H빔(Beam)(8)을 설치함에 있어서, 굴진기(4) 후단의 후단작업통(3) 내주면에 지반 침하방지용 부직포판(7)을 접착제로 임시로 부착한다음 그 부직포판(7)아래의 일정 간격의 H빔 설치 위치에 지반 침하방지제겸 방수제 공급용 호스(미도시)를 연결한 역류방지(논리턴) 밸브(10)가 장착된 부직포낭(9)(9')...을 부착한후 상기 일정간격마다 배열, 부착된 상기 부직포낭(9)(9')...에 빔(8)을 설치하고 빔(8)과 빔(8)의 상단(8')을 철판(11)으로 연결하여 용접한후 각 빔과 빔을 버팀판(12)으로 채워 지하 구조물 지지벽을 형성하고, 상기 부직포판(7), 부직포낭(9)(9')및 철판(11)사이의 공간(13)에서 철판(11)과 버팀목(12)을 관통하여 방수제겸 침하방지제 주입용의 외부호스와 연결된 역류방지밸브(14)를 설치한다음 계속하여 굴진기(4)를 추진시키면서 지반을 굴착하는 동안 상기 외측 굴진기 실린더(15)의 후방에 장착된 내측 굴진기 내부 작업통 실린더(16)의 후미(19)가 신장되어 마지막 설치한 빔(8)에 닿은 상태에서 굴진기 내부 작업통 실린더(16)가 계속 신장되어 굴진기(4)의 후방작업통(3)이 그속에 설치된 빔(8)들을 차례로 벗어남과 동시에 상기 호스들과연결된 역류 방지밸브(10)(14)를 통하여 지방 침하방지제겸 방수제를 부직포낭(9)(9')...과 공간(13)및 여굴(餘窟)(18)에 순간적으로 완전히 차도록 채운후 경화시켜 침하방지겸 지하수 유출방지벽을 형성하는 것으로 구성된다.Pressing the excavator 4, the propulsion jack 1, the excavator cylinder 15 and the excavator inner working cylinder cylinder 16 fixedly mounted to the rear of the excavator cylinder 15 in order to install the underground structure In excavating the ground and installing the ring-shaped or quadrangular H-beam (8) for tunnel support, the non-woven fabric plate (7) for preventing ground subsidence is placed on the inner circumferential surface of the rear end working cylinder (3) at the rear end of the excavator (4). After temporarily attaching with adhesive, a non-return valve (10) connected with a ground anti-sedimentation agent and a hose for supplying a waterproofing agent (not shown) is installed at a predetermined interval under the nonwoven fabric sheet (7). Attached nonwoven bags (9) (9 ') ... and arranged at said intervals, beams (8) are installed on the attached nonwoven bags (9) (9') ... and the beams (8) And the upper end 8 ′ of the beam 8 by welding with the iron plate 11, and then filling each beam and the beam with the bracing plate 12 to form a supporting wall for the underground structure, and the nonwoven plate 7 and the nonwoven fabric sac (9) In the space (13) between the (9 ') and the iron plate (11), a check valve (14) installed through the iron plate (11) and the crutch (12) and connected to an external hose for injecting a waterproofing agent and antisettling agent is installed. Then, during the excavation of the ground while pushing the excavator 4, the rear end 19 of the inner cylinder inner working cylinder cylinder 16, which is mounted to the rear of the outer excavator cylinder 15, is extended and finally installed. In the state of touching the beam 8, the excavator inner working cylinder cylinder 16 is continuously extended so that the rear working cylinder 3 of the excavator 4 sequentially moves out of the beams 8 installed therein, and the hoses The overflow check valves (10) and (14) are connected so that the fat antisettling agent and the waterproofing agent are filled completely with the nonwoven bag (9) (9 ') and the space (13) and overhole (18). It is composed of hardening after filling to form settlement prevention groundwater prevention wall.

이상에서 버팀판은 통상의 프리케스팅 콘크리트(PC), 철근 콘크리트, 각목, 철판등으로된 것중에서 선택되고 지반 침하방지겸 방수제는 통상의 벤트나이트, 시멘트를 물과함께 혼련한 것으로 한다.In the above, the prop plate is selected from the group consisting of ordinary precast concrete (PC), reinforced concrete, lumber, iron plate, etc., and ground subsidence prevention and waterproofing agent are kneaded with normal bentite and cement together with water.

이상과 같이 구성되는 지하구조물의 지반 침하방지 및 방수벽 설치방법에 의하여 지하구조물을 설치하므로서 부직포판(7)과 부직포낭(9)(9')에 방수제겸 지반 침하방지제가 주입 침투되고 부직포판(7), 부직포낭(9)(9') 및 빔(8)과 빔(8)의 상단(8')을 연결하여 용접한 철판(11) 사이의 공간(13)과 여굴에도 지반 침하방지제겸 방수제가 순간적으로 완전히 차도록 채워져서 경화되므로써 지반 침하방지겸 지하수 유출방지벽이 형성되어 완벽하게 지반의 침하방지는 물론 지하수 유출도 완벽하게 방지할 수가 있게 되게되므로 지하구조물 설치공사를 쾌적한 상태에서 용이하게 효과적으로 단시간에 많은 공사를 할 수 있게된다.The waterproofing and ground subsidence are injected into the nonwoven fabric 7 and the nonwoven fabric 9 and 9 'by installing the underground structure according to the ground subsidence prevention and waterproof wall installation method of the underground structure configured as described above. (7), non-woven sacks (9) (9 ') and ground (13) between the steel plate (11) welded by connecting the beam (8) and the upper end (8') of the beam (8) and ground subsidence As the preventive agent and the waterproofing agent are filled to be completely filled at once, it is hardened by the ground subsidence prevention and groundwater outflow prevention wall to be completely prevented from subsidence of the ground and the groundwater outflow. Easily and effectively, a lot of construction can be done in a short time.

본 발명 지하구조물의 지반 침하방지 및 방수벽 설치방법에 의해 지하구조물의 방수 및 침하방지벽을 설치한후 구조물 시설공사를 하게되면 지반의 침하나 지하수 유출이 전혀없으므로 작업이 용이하고 따라서 단시간에 효율적으로 많은 양의 공사를 완료할 수 있는 효과가 있다.According to the present invention, after installing the waterproofing and subsidence prevention wall of the underground structure by installing the waterproofing and subsidence prevention wall of the underground structure, there is no settlement of ground or leakage of groundwater, so the work is easy and therefore efficient in a short time. As a result, a large amount of construction can be completed.

Claims (1)

굴진기(4)를 추진잭(1)과 외측 신축 실린더(15)와 상기 굴진기 실린더(15)의 후방에 고정 장착된 굴진기 내부 작업통 실린더(16)를 차례로 압착하면서 지하구조물 설치를 위한 지반을 굴착하여 터널지지용의 링형이나 4각형의 H빔(Beam)(8)을 설치함에 있어서, 굴진기(4) 후단의 후반작업통(3) 내주면에 지반 침하방지용 부직포판(7)을 접착제로 임시로 부착한다음 그 부직포판(7)아래의 일정 간격의 H빔 설치 위치에 지반 침하방지제겸 방수제 공급용 호스(미도시)를 연결한 역류방지(논리턴) 밸브(10)가 장착된 부직포낭(9)(9')...을 부착한후 상기 일정간격마다 배열, 부착된 상기 부직포낭(9)(9')에 빔(8)을 설치하고 빔(8)과 빔(8)의 상단(8')을 철판(11)으로 연결하여 용접한후 각 빔과 빔을 버팀판(12)으로 채워 지하 구조물 지지벽을 형성하고, 상기 부직포판(7), 부직포낭(9)(9')및 철판(11)사이의 공간(13)에서 철판(11)과 버팀목(12)을 관통하여 방수제겸 침하방지제 주입용의 외부호스와 연결된 역류방지밸브(14)를 설치한다음 계속하여 굴진기(4)를 추진시키면서 지반을 굴착하는 동안 상기 굴진기 실린더(15)의 후방에 장착된 굴진기 내부 작업통 실린더(16)의 후미(19)가 신장되어 마지막 설치한 빔(8)에 닿은 상태에서 굴진기 내부 작업통 실린더(16)가 계속 신장되어 굴진기(4)의 후방작업통(3)이 그속에 설치된 빔(8)들을 차례로 벗어남과 동시에 상기 호스들과 연결된 역류 방지밸브(10)(14)를 통하여 지반 침하방지제겸 방수제를 부직포낭(9)(9')...과 공간(13)및 여굴(餘窟)(18)에 순간적으로 완전히 차도록 채워 경화시켜 침하방지겸 지하수 유출방지벽을 형성하는 것으로 구성됨을 특징으로 하는 지하구조물의 지반 침하방지 및 방수벽 설치방법.Pressing the excavator 4 in order to install the underground structure while pressing the propulsion jack (1), the outer expansion cylinder (15) and the working cylinder cylinder (16) fixed to the rear of the excavator cylinder (15) in order. In excavating the ground and installing the ring-shaped or quadrangular H-beam (8) for tunnel support, the non-woven fabric plate (7) for preventing ground subsidence is placed on the inner circumferential surface of the second working cylinder (3) at the rear end of the excavator (4). After temporarily attaching with adhesive, a non-return valve (10) connected with a ground anti-sedimentation agent and a hose for supplying a waterproofing agent (not shown) is installed at a predetermined interval under the nonwoven fabric sheet (7). Attached nonwoven bags (9) (9 ') ... arranged at regular intervals and installed beams (8) on the attached nonwoven bags (9) (9'), and the beam (8) and beam ( The upper end 8 'of the 8) is welded by the iron plate 11, and then the beams are filled with the support plates 12 to form a supporting wall for the underground structure, and the nonwoven fabric sheet 7 and the nonwoven fabric (9) In the space (13) between the (9 ') and the iron plate (11), a check valve (14) installed through the iron plate (11) and the crutch (12) and connected to an external hose for injecting a waterproofing agent and antisettling agent is installed. Then, while drilling the ground while pushing the excavator 4, the rear end 19 of the cylinder inside cylinder 16 of the excavator mounted on the rear of the excavator cylinder 15 is extended and the beam finally installed. In the state in contact with (8), the excavator inner working cylinder cylinder 16 is continuously extended so that the rear working cylinder 3 of the excavator 4 is in turn out of the beams 8 installed therein and connected with the hoses. Hardening the ground anti-settling agent and the waterproofing agent through the non-return valve (10) (14) to fill the non-woven bag (9) (9 ') and the space (13) and overhole (18) instantly and completely. Ground subsidence prevention and prevention of underground structures, characterized in that the subsurface structure is formed to prevent settlement How to install a wall.
KR10-2002-0013011A 2002-03-11 2002-03-11 Process for constructing waterproofing wall for preventing sinking and for waterproof of the ground KR100439606B1 (en)

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JPS61126294A (en) * 1984-11-21 1986-06-13 鉄建建設株式会社 Tunnel drilling construction method
JPH01169095A (en) * 1987-12-23 1989-07-04 Koichi Uemura Rectangular shield construction work
JPH07293195A (en) * 1994-04-28 1995-11-07 Japan Found Eng Co Ltd Deformation preventive construction method for natural ground
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KR20230057504A (en) 2021-10-21 2023-05-02 한국철도기술연구원 Apparatus and method for flood forecasting at subway station

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