KR20030087288A - Executon method of wall for intercepting contamination zone of using steel sheet pile - Google Patents

Executon method of wall for intercepting contamination zone of using steel sheet pile Download PDF

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Publication number
KR20030087288A
KR20030087288A KR1020020025286A KR20020025286A KR20030087288A KR 20030087288 A KR20030087288 A KR 20030087288A KR 1020020025286 A KR1020020025286 A KR 1020020025286A KR 20020025286 A KR20020025286 A KR 20020025286A KR 20030087288 A KR20030087288 A KR 20030087288A
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South Korea
Prior art keywords
sheet pile
steel sheet
pile
auger
wall
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KR1020020025286A
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Korean (ko)
Inventor
김영식
강호정
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주식회사 세원지오신테크
김영식
강호정
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Priority to KR1020020025286A priority Critical patent/KR20030087288A/en
Publication of KR20030087288A publication Critical patent/KR20030087288A/en

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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
    • E02D5/14—Sealing joints between adjacent sheet piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0037—Clays
    • E02D2300/004—Bentonite or bentonite-like
    • E02D2300/0042—Bentonite or bentonite-like being modified by adding substances

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

PURPOSE: A construction method for a barrier wall in a polluted area using a steel sheet pile is provided to prevent a water leakage on a sheet pile and to maximize the water isolating efficiency by filling up a joint of sheet piles with airtight fillers. CONSTITUTION: The construction method for a barrier wall(10) in a polluted area using a steel sheet pile comprises the steps of placing grout(50) between a front end of a steel sheet pile(20) which approaches to bedrock(30) and bedrock(30) through a central passage of an auger used for excavation, then rotating an auger backward, and filling up an excavation hole with fillers(40) such as earthy materials mixed with clay and bentonite to fill up a joint between a pile and a pile with fillers.

Description

스틸 시트파일을 이용한 오염지역 차수벽 시공방법{Executon method of wall for intercepting contamination zone of using steel sheet pile}Execution method of wall for intercepting contamination zone of using steel sheet pile}

본 발명은 오염지역 차단용 차수벽 시공방법에 관한 것으로 보다 상세하게는 스틸 시이트 파일의 선단부와 암반사이를 그라우팅을 시행 후 오거 인발시 오거를역회전 시키면서 굴착공 내부에 수밀성 충진재를 충입시켜 스틸시트파일 연결부의 누수현상을 차단하여 차수성능이 향상되도록 한 스틸 시트파일을 이용한 오염지역 차수벽 시공방법에 관한 것이다.The present invention relates to a method for constructing a barrier wall for blocking a contaminated area. More specifically, after grouting between the tip and the rock of the steel sheet pile, the watertight filler is filled into the excavation hole while rotating the auger when the auger is drawn. The present invention relates to a method for constructing a contaminated area water repellent wall using a steel sheet pile to prevent water leakage from connecting parts.

차수벽은 지중에 투수성이 매우 낮은 조성물 또는 재료에 의해 구축되는 지중 구조물로서 오염지역내의 오염물질이 외부로 유출되지 않도록 오염원을 차단하기 위한 목적으로 설치되고 있다.The water barrier is an underground structure constructed by a composition or material having a very low permeability in the ground, and is installed for the purpose of blocking pollutants so that pollutants in the contaminated area do not leak out.

이러한 차수벽체의 조성방법으로는 콘크리트벽체 (concrete slurry wall), 합성수지시트(membrane) 차수벽, 흙-벤토나이트 (bentonite)계나 흙-시멘트계 또는 흙-석회(lime)계 등의 현지토를 이용한 심층혼합토 차수벽(deep soil mixing wall), 화학 결합제에 의한 주입고화 차수벽 및 스틸 시이트 파일(steel sheet pile) 차수벽 등이 있다.As the method of forming the ordered wall, a deep mixed soil ordered wall using local soil such as concrete slurry wall, synthetic membrane ordered wall, soil-bentonite system, soil-cement system or soil-lime system deep soil mixing walls, injection solidified order walls with chemical binders and steel sheet pile order walls.

일반적으로 스틸시트파일 차폐시설의 설치방법으로는 워터젯-바이브로햄머(water jet-vibro hammer)를 이용하며, 워터젯-바이브로햄머(water jet-vibro hammer)를 이용 시공 할 경우 고압의 물을 분사 및 진동을 이용하여 스틸시트파일(pile)을 근입하므로 지반의 교란이 수반되고, 지상으로 배출되는 물에 토사등이 같이 배출됨으로서 인근 지반은 교란되거나 느슨해지며 따라서 이러한 교란 된 지반으로 오염물질의 유입이 가속하게 되고 결국 오염물질의 차단능력을 저하시키는 결과를 초래하게 된다.In general, a method of installing a steel sheet pile shielding facility uses a water jet-vibro hammer, and in the case of using a water jet-vibro hammer, sprays high pressure water. As the steel sheet pile is introduced using vibration and vibration, soil disturbance is accompanied, and soils are discharged together with water discharged to the ground, so nearby ground becomes disturbed or loosened. Therefore, pollutants flow into the disturbed ground. This accelerates and results in lowering the blocking ability of contaminants.

또한, 워터젯-바이브로햄머(water jet-vibro hammer)를 이용 시공되는 스틸 시트 파일차수벽은 시트파일 압입을 위하여 암반부를 굴착하면서 암반의 홈부로 근입된 시트파일과의 사이가 완전 차수되지 않아 오염물질의 누출되어 외부의 자연토양 또는 지하수를 오염시키게 되는 문제점이 있으며, 워터젯-바이브로햄머(water jet-vibro hammer)를 이용 시공되는 스틸 시트 파일차수벽의 연결부는 시트파일 연결 근입 시 지수재를 도포하여 설치하나 압입시의 진동 및 충격 등으로 연결부위의 지수재가 기능을 발휘하지 못하고 시트파일 연결부에서 오염물질의 누출되는 문제점이 있다.In addition, the steel sheet pile wall, which is constructed using a water jet-vibro hammer, is not completely filled with the sheet pile infiltrated into the groove of the rock while excavating the rock portion for indenting the sheet pile. There is a problem of contaminating the external natural soil or groundwater due to leakage of, and the connection portion of the steel sheet pile order wall is constructed using a water jet-vibro hammer to apply the water to the sheet pile connection However, there is a problem in that the water-resistant material at the connection part does not function due to vibration and shock during installation, and leakage of contaminants at the seat pile connection part.

본 발명은 상기 한 문제점을 해결하기 위하여 발명한 것으로서 암반부 홈에 근입된 파일의 선단부 사이를 그라우팅하여 시트파일 선단부에서 오염물질의 누출을 차단하고, 오거를 이용하여 지반을 굴착하고 동시에 스틸시트파일을 압입하여 시트파일 차수벽을 연속적으로 설치하는 과정에 오거 인발시 오거를 역회전하면서 굴착공 내부에 토사, 토사-벤토나이트 등의 수밀성 재료를 충진시켜 시트파일 연결부의 차수성능을 향상시키, 자연토양 및 지하수 오염을 방지하도록 하는 오염지역의 차단용 스틸시트파일 차수벽 시공방법을 제공하는데 있다.The present invention has been invented to solve the above problems, by grouting between the tip end of the pile into the rock groove to block the leakage of contaminants at the tip of the sheet pile, excavating the ground using auger and at the same time steel sheet pile When the auger is drawn in the process of continuously installing the sheet pile liner by filling the auger, it fills the watertight material such as earth and sand and earth and bentonite in the excavation hole while reversing the auger to improve the water repellent performance of the sheet pile connection part. The present invention provides a method for constructing a steel sheet pile order wall for blocking a contaminated area to prevent groundwater contamination.

도 1은 본 발명의 기술이 적용된 오거를 이용한 차수벽 시공방법을 보여주는 단면도.1 is a cross-sectional view showing a construction wall construction method using the auger applied the technology of the present invention.

도 2는 도 3의 "A"부 확대도.2 is an enlarged view of a portion “A” of FIG. 3.

도 3은 충진재에 의하여 파일의 이음부가 실링되는 것을 보여주는 예시도.3 is an exemplary view showing that the seam of the pile is sealed by the filler.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

10 : 차수벽20 : 파일10: order wall 20: file

30 : 암반40 : 충진재30: rock 40: filling material

50 : 그라우팅50: grouting

상기한 본 발명의 목적은 폐기물 매립장 등 기타 오염지역에서 발생하는 침출수가 오염되지 않은 지역으로 확산되는 것을 방지하기 위하여 파일을 이용한 오염지역 차수벽 시공방법에 있어서, 굴착시 사용한 오거(auger) 중앙의 통로를 통하여 암반층까지 근입시킨 스틸시트파일 선단부와 암반 사이에 그라우팅을 실시한 후 오거를 역회전시키면서 굴착공 내부로 점토, 벤토나이트를 혼합 한 토사 등 수밀성이 우수한 충진재를 충입시켜 파일과 파일의 이음부분에 충진재가 메워지도록 한 것을 특징으로 하는 스틸 시트파일을 이용한 오염지역 차수벽 시공방법에 의하여 달성된다.The object of the present invention described above is a method for constructing a contaminated area order wall using piles to prevent leachate from other contaminated areas, such as a landfill site, from spreading to an uncontaminated area. After grouting between the front end of the steel sheet pile and the rock, which was infiltrated to the rock layer, the filler filled the joints of the pile and pile by filling the watertight filling material such as earth and sand mixed with clay and bentonite while turning the auger in reverse. It is achieved by a method for constructing a contaminated area order wall using a steel sheet pile, characterized in that the filling.

이하 본 발명의 바람직한 실시 예를 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

파일의 시공성과 차수성능을 향상시키는 방법으로서 스틸시트파일(steel sheet pile)하단에 고정장치를 용접 후 스틸시트파일 상단에 구멍을 뚫고, 샤클을 끼워 보조와이어로 들어올려 유압 척에 고정한 다음 케이싱보다 약간 아래에 위치하도록 한 후 연결부를 기 시공된 스틸시트파일에 끼운 후 오거(auger)를 가동시킴과 동시에 오거(auger)와 스틸시트파일(steel sheet pile)을 압입시켜 목표로 하는 지반의 소정 위치까지 시공이 완료되면 첨부도면 도 1 및 도 2에 도시된 바와 같이 오거(auger) 중앙의 통로를 통하여 그라우팅(50)을 실시하여 스틸시트파일 선단부와 암반사이를 완전차수 한다.As a way to improve the construction and ordering performance of the pile, after welding the fixing device at the bottom of the steel sheet pile, make a hole in the top of the steel sheet pile, and put the shackle to the auxiliary wire to fix it to the hydraulic chuck, and then Position it slightly below, insert the joint into the prefabricated steel sheet pile, start the auger, and press the auger and the steel sheet pile into a predetermined position on the target ground. When the construction is completed until, as shown in Figure 1 and 2 attached to the auger (auger) through the grouting (50) through a passage through the center of the steel sheet pile pile and the rock completely.

한편, 첨부도면 도 3에 도시된 바와 같이 상기 그라우팅 후 암반(30)에 근입되어 끝단이 고정된 시트파일(20)을 지중에 남겨두고 오거를 역회전하면서 인발할 때 점토, 벤토나이트를 혼합 한 토사 등 기타 수밀성 재료를 혼합한 충진재(40)를 굴착공 내부에 충전시켜 되메우면서 오거 및 케이싱을 인발한다. 상기와 같이 충진재(40)을 굴착된 공간에 오거를 역회전하면서 충진 시키는 이유는 스틸시트파일 연결부에 수밀성 충진재가 채워져 연결부위의 차수성을 극대화하기 위함이다.On the other hand, as shown in Fig. 3, after the grouting, the earth and sand mixed with clay and bentonite when being drawn while rotating the auger while leaving the sheet pile 20 fixed to the ground and fixed to the end of the sheet pile 20 in the ground. Filler 40, which is mixed with other watertight materials, is filled inside the excavation hole to fill the auger and casing. The reason for filling the filling material 40 while rotating the auger in the excavated space as described above is to maximize the orderability of the connection part is filled with watertight filler in the steel sheet pile connection.

본 발명의 효과는 오염원 차단용 스틸시트파일 차수벽 설치 시 암반에 근입되는 시트파일과 암반 사이에 그라우팅을 시행하여 시트파일선단부의 누수를 차단하고, 파일 근입을 위한 오거 굴착공 내부에 오거 인발시 오거를 역회전하여 점토, 토사-벤토나이트, 등의 수밀성 충진재를 되메우기하여 시트파일 연결부에 수밀성 충진재가 채워지도록 하여 파일연결부의 차수성능을 극대화시키는 효과가 있다.The effect of the present invention is to prevent the leakage of the seat pile front end by performing grouting between the seat pile and the rock entering the rock when installing the steel sheet pile ordered wall for blocking the pollutant, the auger when drawing the auger inside the auger excavation hole for the pile access The reverse rotation of the to fill the watertight fillers such as clay, soil-bentonite, etc. to fill the watertight filler to the sheet pile connection has the effect of maximizing the ordering performance of the pile connection.

Claims (1)

폐기물 매립장 등 기타 오염지역에서 발생하는 침출수가 오염되지 않은 지역으로 확산되는 것을 방지하기 위하여 스틸시트파일을 이용한 오염지역 차수벽 시공방법에 있어서,In the method of constructing the contaminated area order wall using steel sheet pile to prevent the leachate from other contaminated areas such as waste landfills from spreading to the uncontaminated area, 굴착시 사용한 오거(auger) 중앙의 통로를 통하여 암반층까지 근입시킨 스틸시트파일 선단부와 암반 사이에 그라우팅을 실시한 후 오거를 역회전시키면서 굴착공 내부로 점토, 벤토나이트를 혼합 한 토사 등 수밀성이 우수한 충진재를 충입시켜 파일과 파일의 이음부분에 충진재가 메워지도록 한 것을 특징으로 하는 스틸 시트파일을 이용한 오염지역 차수벽 시공방법.After grouting between the front end of the steel sheet pile and the rock through the auger central passage used for the excavation, the watertight filling material such as earth and sand mixed with clay and bentonite inside the excavation hole while rotating the auger A method for constructing a contaminated area order wall using a steel sheet pile, characterized in that the filling is filled in the pile and the joint portion of the pile.
KR1020020025286A 2002-05-08 2002-05-08 Executon method of wall for intercepting contamination zone of using steel sheet pile KR20030087288A (en)

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CN103953073A (en) * 2014-04-01 2014-07-30 东南大学 Construction method of in-situ thin-wall vertical barrier for controlling polluted underground water
KR101696908B1 (en) * 2016-02-29 2017-01-17 삼창엔지니어링(주) Leakage prevention method and apparatus of underground parking lot
JP2021014781A (en) * 2019-07-10 2021-02-12 Ｊｆｅスチール株式会社 Steel impermeable wall and impermeable method of steel impermeable wall
CN115094956A (en) * 2022-07-26 2022-09-23 江苏交水建智能装备研究院有限公司 Device and method for in-situ isolation treatment of local area polluted soil
CN115110518A (en) * 2022-06-15 2022-09-27 中交二航局广西建设工程有限公司 Construction method for underwater strongly weathered rock stratum steel sheet pile by using rotary drilling rig

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CN103953073A (en) * 2014-04-01 2014-07-30 东南大学 Construction method of in-situ thin-wall vertical barrier for controlling polluted underground water
CN103953073B (en) * 2014-04-01 2015-07-29 东南大学 A kind of construction method of the vertical barrier of original position thin-walled for Control pollution underground water
KR101696908B1 (en) * 2016-02-29 2017-01-17 삼창엔지니어링(주) Leakage prevention method and apparatus of underground parking lot
WO2017150853A1 (en) * 2016-02-29 2017-09-08 삼창엔지니어링(주) Water blocking apparatus of underground parking lot and construction method
JP2021014781A (en) * 2019-07-10 2021-02-12 Ｊｆｅスチール株式会社 Steel impermeable wall and impermeable method of steel impermeable wall
JP7183218B2 (en) 2019-07-10 2022-12-05 Ｊｆｅスチール株式会社 Steel impermeable wall, water impermeable method of steel impermeable wall
CN115110518A (en) * 2022-06-15 2022-09-27 中交二航局广西建设工程有限公司 Construction method for underwater strongly weathered rock stratum steel sheet pile by using rotary drilling rig
CN115094956A (en) * 2022-07-26 2022-09-23 江苏交水建智能装备研究院有限公司 Device and method for in-situ isolation treatment of local area polluted soil
CN115094956B (en) * 2022-07-26 2024-05-28 江苏交水建智能装备研究院有限公司 Device and method for in-situ isolation treatment of polluted soil in local area

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