KR200188225Y1 - Air tube dike to make water reservoir instead of soil fill for surcharge load to use soil improvement of cohesion soil - Google Patents

Air tube dike to make water reservoir instead of soil fill for surcharge load to use soil improvement of cohesion soil Download PDF

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Publication number
KR200188225Y1
KR200188225Y1 KR2020000003274U KR20000003274U KR200188225Y1 KR 200188225 Y1 KR200188225 Y1 KR 200188225Y1 KR 2020000003274 U KR2020000003274 U KR 2020000003274U KR 20000003274 U KR20000003274 U KR 20000003274U KR 200188225 Y1 KR200188225 Y1 KR 200188225Y1
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South Korea
Prior art keywords
dike
air tube
soil
water
ground
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KR2020000003274U
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Korean (ko)
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김동민
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주식회사한국 종합엔지니어링
김동민
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    • 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
    • E02D3/103—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by installing wick drains or sand bags
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0085—Geotextiles
    • E02D2300/0089—Geotextiles non-woven

Abstract

본 고안은 하천, 늪지대, 간석지 등의 기초 연약지반(1)의 지표면에 배수층이 되는 모래층(2)을 층설하여 부직포매트(3)를 포설하고 수직배수드레인(4)과 수평배수드레인(5)을 시공 설치한 다음, 연약지반(1)의 압밀탈수를 촉진하기 위하여 물하중을 이용함에 있어서, 상기 모래층(2)에 포설하는 부직포매트(3)의 상면부에 공기튜브(7)를 응용하여 저수조(6)를 시공설치할 수 있도록 제안된 연약지반을 개량하기 위한 저수조를 형성하는 방수겸용 공기튜브제방의 시공구조에 관한 것으로 지반의 강도가 약하더라도 방수겸용 제방의 축조가 용이하며, 공기튜브(7)의 주입량을 자유로이 조절하여 제방의 높이를 용이하게 조절할 수 있도록 하며, 또한 지반개량 도중은 물론 지반개량 완료후에도 제방의 물을 용이하고 신속하게 처리할 수 있도록 한 것임.The present invention lays out a nonwoven fabric mat (3) by laying a sand layer (2) serving as a drainage layer on the ground surface of the foundation soft ground (1) such as rivers, swamps, and tidal flats, and vertical drain drain (4) and horizontal drain drain (5). After installation, the air tube 7 is applied to the upper surface of the nonwoven fabric mat 3 installed in the sand layer 2 in using the water load to promote consolidation and dewatering of the soft ground 1. It is related to the construction structure of the waterproof combined air tube dike that forms the reservoir for improving the soft ground proposed for the installation and installation of the water reservoir (6). It is possible to easily control the height of the dike by freely adjusting the injection amount of 7) and also to easily and quickly treat the water of the dike during the ground improvement as well as after the completion of the ground improvement.

Description

연약지반을 개량하기 위한 저수조를 형성하는 방수겸용 공기튜브제방의 시공구조{AIR TUBE DIKE TO MAKE WATER RESERVOIR INSTEAD OF SOIL FILL FOR SURCHARGE LOAD TO USE SOIL IMPROVEMENT OF COHESION SOIL}Construction of waterproof combined air tube banks to form soft water tanks to improve soft grounds

본 고안은 하천, 늪지대, 간석지 등의 기초 연약지반의 지표면에 배수층이 되는 모래층을 층설한 상부에 부직포매트를 포설하여 수직배수드레인과 수평배수드레인을 시공설치한 다음, 상기 부직포매트의 상면부에 공기튜브를 응용하여 형성되는 방수겸용제방(Dike)을 동시에 시공설치하므로서 방수겸용 제방내에 저수된 물의 하중이연약지반에 가압되어 연약지반내에 함유된 수분(물)을 탈수시키면서 연약지반을 개량할 수 있도록 제안된 연약지반을 개량하기 위한 저수조를 형성하는 방수겸용 공기튜브제방의 시공구조에 관한 것으로 지반개량 도중은 물론 지반개량 완료후에도 제방내의 물을 용이하고 신속하게 처리할 수 있도록 하며, 간편하고 용이한 시공설치작업으로 공사기간을 단축하여 시공비를 최소화 할 수 있도록 제안된 것이다.The present invention is installed on the upper surface of the non-woven fabric mat by installing a non-woven fabric mat on the upper surface of the ground of the soft ground, such as rivers, swamps, tidal flats, etc. to install vertical drainage drainage and horizontal drainage drainage. By simultaneously installing and installing the waterproof combined dike formed by applying air tube, the load of water stored in the waterproof combined dike can be pressurized to the soft ground to improve the soft ground while dehydrating the water (water) contained in the soft ground. It is related to the construction structure of the waterproof double air tube dike, which forms a reservoir for improving the soft ground, so that the water in the dike can be easily and quickly treated during and after the ground improvement. It is proposed to minimize the construction cost by shortening the construction period with one installation and installation work.

종래 일반적으로 연약점토를 개량하기 위해서 연약지반의 표층을 시멘트에 급결제를 첨가하여 고화처리 하거나 표층을 자연증발에 의해 시킨후 지반의 강도가 어느정도 확보된 다음 탈수시공장비를 진입시키거나 기초연약지반의 표층에 직접 부상장비를 띄워 탈수시공장비를 진입시켜 연약지반의 개량을 위한 시공설치작업을 시행하였다.Conventionally, in order to improve the soft clay, the surface layer of the soft ground is solidified by adding a fastener to the cement, or the surface layer is naturally evaporated and the strength of the ground is secured to some extent before entering the dehydration construction equipment or the basic soft ground. The floating equipment was placed directly on the surface of the building to enter the dehydration equipment, and the construction and installation work for the improvement of the soft ground was carried out.

그러나 이와같은 종래의 공법에 있어서는 시공작업이 복잡하고 일손이 많이 필요하게 되며 시공기간도 길어지게 되어 결국 공사비가 많아지게 되는 결점이 있었다.However, in such a conventional construction method, the construction work is complicated and requires a lot of work, and the construction period becomes long, resulting in a large construction cost.

특히 일반적인 재하공법에서는 연약지반에 흙을 쌓아 제방을 축조하거나 배수층이 되는 모래층에 하중압을 가하기 위하여 성토층을 형성하는 경우에는 많은 량의 흙과 운반장비가 필요하는등 시공기간이 길어지게 되어 공사비가 많아지는 결점이 있었으며, 또한 지반의 강도가 약하여 성토하중으로 인한 활동파괴현상이 발생하여 축조가 곤란하게 되는 결점이 있었다.Particularly, in the general reworking method, when the soil is piled up on the soft ground to build an embankment or when the soil layer is formed to apply a load pressure to the sand layer which becomes the drainage layer, a large amount of soil and transport equipment are required. In addition, there was a defect that increases the strength of the ground, and the weakness of the ground caused the destruction of activity due to the fill load, making it difficult to build.

본 고안은 종래의 제반 결점을 해소하기 위하여 제안된 것으로 기초 연약지반의 지표면에 모래층, 부직포매트및 수직배수드레인과 수평배수드레인을 시공설치하여 상기 부직포매트위에 통상의 흙대신 공기튜브를 응용하여 저수조를 형성하는 방수겸용제방을 시공설치함으로써 지반의 강도가 약하더라도 방수겸용제방을 용이하게 축조할 수 있으며, 또한 공기튜브의 주입량및 제방의 높이를 용이하게 조절할 수 있도록 하며, 지반개량 도중은 물론 지반개량 완료후에도 저수조를 형성하는 방수겸용제방내에 담긴물을 용이하고 신속하게 처리할 수 있도록 함으로서, 공기튜브에 저수된 물의 하중에 의해 연약지반의 재하작용이 진행되면서 연약지반 내부에 함유되어 있는 수분(물)이 원활하게 압밀 탈수되어 연약점토가 신속하게 개량될 수 있도록 함과 동시에 시공기간을 단축하여 공사비를 최소화할 수 있도록 함에 목적이 있다.The present invention is proposed to solve the conventional drawbacks by installing sand layer, nonwoven mat, vertical drainage drainage and horizontal drainage drain on the ground of basic soft ground and applying air tube instead of ordinary soil on the nonwoven mat. By installing and installing a waterproof combined dike, the waterproof combined dike can be easily constructed even if the strength of the ground is weak. Also, it is possible to easily adjust the injection amount of the air tube and the height of the dike. The water contained in the soft ground can be easily and quickly processed by the load of the water stored in the air tube by allowing the water contained in the waterproof combined dike to form the reservoir after the completion of the improvement. Water) is smoothly condensed and dehydrated so that the soft clay can be improved quickly. At the same time as there is a purpose to be to shorten the construction period to minimize the cost.

도 1 은 본 고안의 단면도1 is a cross-sectional view of the present invention

도 2 는 도 1 의 A - A 선 단면도2 is a cross-sectional view taken along the line A-A of FIG.

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

1 : 연약지반 2 : 모래층1: soft ground 2: sand layer

3 : 부직포매트 4 : 수직배수드레인3: nonwoven mat 4: vertical drainage drain

5 : 수평배수드레인 6 : 저수조5: horizontal drain drain 6: reservoir

7 : 공기튜브 8 : 물7: air tube 8: water

9 : 방수겸용제방 10 : 배수로9: combined waterproof dike 10: drainage

도 1 은 본 고안의 공기튜브를 응용한 방수겸용제방을 형성하는 물하중재하공법을 나타내는 단면도, 도 2 는 도 1 의 A - A 선 단면도이다.1 is a cross-sectional view showing a water load re-loading method for forming a combined waterproof embankment using the air tube of the present invention, Figure 2 is a cross-sectional view taken along line A-A of FIG.

도면에 도시된 바와같이, 연약한 점토의 개량을 위해서 기초 연약지반(1)의 지표면에 배수층이되는 모래층(2)을 층설하여 모래층(2)의 표면부에는 부직포매트(3)를 깔아 포설하고, 연약지반(1)의 탈수용 배수레인이 되는 수직배수드레인(4)과 수평배수드레인(5)을 시공설치하되, 모래층(2)의 내부에는 수평배수드레인(5)을 깔아 설치하여 수평배수드레인(5)의 양단부는 배수로(10)에 이르도록 설치하며, 수직배수드레인(4)을 연약지반(1)의 깊이 만큼 수직으로 심설하여 수직배수드레인(4)의 상단부가 배수층이 되는 상기 모래층(2)의 내부에 깔아설치한 수평배수드레인(5)과 접설하는 것이 바람직 하지만 반드시 접설되지 않더라도 모래층(2)의 내부로만 위치하여 설치되어도 된다.As shown in the figure, in order to improve the soft clay, a sand layer 2 serving as a drainage layer is laid on the ground surface of the foundation soft ground 1, and a nonwoven mat 3 is laid on the surface of the sand layer 2, The vertical drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage drainage layer is installed in the sand layer 2 Both ends of (5) are installed to reach the drainage path 10, the vertical drainage drainage (4) vertically deep as the depth of the soft ground (1) so that the upper end of the vertical drainage drainage (4) the sand layer ( Although it is preferable to be connected to the horizontal drainage drainage (5) laid in the inside of 2), it may be installed only inside the sand layer (2) even if not necessarily connected.

이와같이 수직배수드레인(4)과 수평배수드레인(5)의 시공을 완료한 부직포매트(3)의 상부에 저수조(6)를 형성하기 위한 공기튜브(7)를 깔아 포설한 다음, 공기튜브(7)의 상면부에 적정량의 물(8)을 채워 가면서 공기튜브(7)의 둘레부에 공기를 불어 넣어줌에 따라 공기튜브(7)의 둘레부가 풍선형으로 부풀어 오르면서 저수조(6)를 형성하는 방수겸용제방(9)을 형성하게 되며,이와같이 방수겸용제방(9)에 의하여 형성되는 저수조(6)의 바닥면은 모래층(2)의 상부에 깔아 설치된 부직포매트(3)의 상면부와 방수상태로 접설되어 담수상태의 저수조(6)로서 저수조(6)내부에 담수된 물(8)의 하중이 연약지반(1)을 가압하게 되는 압밀 탈수작용의 기능을 발휘하게 되는 것이다.In this way, the air tube 7 for forming the reservoir 6 is laid on the upper portion of the nonwoven fabric mat 3 on which the vertical drainage drain 4 and the horizontal drain drain 5 are completed, and then the air tube 7 is laid. As the air is blown into the circumference of the air tube 7 while filling an appropriate amount of water 8 in the upper surface of the air), the circumference of the air tube 7 is inflated to form a reservoir 6. To form a waterproof combined dike (9), the bottom surface of the reservoir (6) formed by the combined use of the waterproof dike (9) is the upper surface of the non-woven fabric mat (3) installed on the top of the sand layer (2) and waterproof The condensation dewatering function, in which the load of the water 8 placed in the fresh water reservoir 6 in the fresh water state, pressurizes the soft ground 1. Will be exercised.

이와같은 본 고안은 부직포매트(3)의 상부에 깔아 포설하는 공기튜브(7)에 의하여 형성되는 방수겸용제방(9)은 공기튜브(7)의 둘레부에 별도의 공기주입기(도시 않음)로서 공기를 불어 넣어 주므로서 공기튜브(7)의 둘레부가 부풀어 오르면서 방수겸용제방(9)을 형성하게 되는데, 이때 공기주입기로 공기를 불어 넣어 줌에 따라 공기튜브(7)의 둘레부가 부풀어 오르면서 공기튜브(7)의 둘레부가 높아지게 되어 저수조(6)를 형성하는 방수겸용제방(9)이 높아지게 된다. 이와같이 방수겸용제방(9)이 높아짐에 따라 담수되는 저수량의 하중이 저수조(6)의 하부를 가압하게 되어 저수조(6)의 저면부와 방수상태로 접설된 연약지반(1)의 압밀탈수작용을 촉진하게 되므로 연약지반(1)에 함유하고 있는 수분(물)의 탈수작용을 원활하게 진행하면서 연약지반(1)을 신속하게 개량할 수 있는 것이다.The present invention has a waterproof combined dike 9 formed by an air tube 7 laid on top of a nonwoven fabric mat 3 as a separate air injector (not shown) at the periphery of the air tube 7. By blowing air, the periphery of the air tube (7) is inflated to form a waterproof combined dike (9). At this time, as the air is blown into the air injector, the periphery of the air tube (7) is inflated. The periphery of the air tube 7 is increased, so that the waterproof combined use dike 9 forming the reservoir 6 becomes high. As the combined use of the waterproof combined dike (9) increases the load of the fresh water to pressurize the lower part of the reservoir (6), thereby consolidating the dewatering action of the soft ground (1) in contact with the bottom of the reservoir (6) in a waterproof state. Since it promotes, the soft ground 1 can be promptly improved while dehydrating the water (water) contained in the soft ground 1 smoothly.

이와같이 공기튜브(7)를 이용하여 저수조(6)를 형성하는 방수겸용제방(9)을 설치하고, 저수조(6)에 담수된 물(8)의 하중을 이용하여 연약점토를 재하하는 본 고안의 공법은, 방수겸용제방(9)을 형성하는 공기튜브(7)의 둘레부에 주입하는 공기의 주입량에 따라 방수겸용제방(9)의 높이가 달라지고 이로 인해 담수되는 물(8)의 량이 많고 적음에 따라서 연약지반(1)과 모래층(2)에 대한 하중이 달라지게 되므로 공기튜브(7)의 공기주입량에 따라 저수조(6)의 담수량을 조절할 수 있으므로 연약지반(1)과 모래층(2)에 함유된 수분(물)의 배수량을 조절하면서 연약지반개량 기간을 조절할 수 있으며, 상기 공기튜브(7)에 저수된 물(8)은 지반개량동안은 물론 지반개량 완료후의 어느때라도 간편하고 용이하고 신속하게 처리할 수 있다.In this way, by installing the waterproof combined dike (9) to form the reservoir (6) using the air tube (7), and load the soft clay using the load of the water (8) fresh water in the reservoir (6) According to the construction method, the height of the water resistant combined dike 9 varies according to the amount of air injected into the periphery of the air tube 7 forming the water resistant combined dike 9, and thus, the amount of water 8 to be freshened is large. Since the load on the soft ground (1) and the sand layer (2) varies depending on the less, the fresh water of the reservoir (6) can be adjusted according to the air injection amount of the air tube (7), so the soft ground (1) and sand layer (2) The soft ground improvement period can be adjusted while controlling the amount of water (water) contained in the water, and the water (8) stored in the air tube (7) is simple and easy at any time after the ground improvement as well as during the ground improvement. Can be processed quickly.

이와 같이 된 본 고안은 종래 실시하고 있는 성토흙 대신에 공기튜브를 응용하여 저수조를 형성하는 방수겸용제방을 시공설치하므로서 지반의 강도가 약하더라도 방수겸용제방의 축조를 간편하고 용이하고 신속하게 시공 설치할 수 있으며, 또한 방수겸용제방을 형성하는 공기튜브의 둘레부에 공기의 주입량을 자유로이 조절하여 제방및 저수조의 용적을 용이하게 조절할 수 있으며, 지반개량 도중은 물론 지반개량 완료후에도 저수조에 담수된 물을 용이하게 처리할 수 있으며, 공기튜브에 의하여 형성되는 저수조에 담수된 물의 하중에 의하여 연약지반 내부에 함유되어 있는 수분(물)이 원활하게 압밀탈수되어 연약점토가 신속하게 개량될 수 있도록 하므로서 본 고안의 시공기간은 물론 연약지반의 개량기간을 단축하여 공사비를 최소화할 수 있는 것이며 특히 토취장이 부족한 해변가의 지반이나 토취장이 먼거리의 연약지반을 개량하기 위하여 성토흙을 대체하는 본 고안의 새로운 시공구조로서 용이하게 적용할 수 있는 등의 이점이 있다.The present invention thus constructed installs a waterproof combined dike that forms a water tank by applying air tubes instead of the conventional soil soil, so that even if the ground strength is weak, the construction of the combined double dike is easy, easy and quick. In addition, it is possible to easily adjust the volume of the dike and the reservoir by freely adjusting the injection amount of air in the periphery of the air tube forming the waterproof combined dike, and the fresh water in the reservoir during the ground improvement as well as after completion of the ground improvement The present invention can be easily processed, and the water (water) contained in the soft ground is smoothly condensed and dehydrated by the load of the fresh water in the reservoir formed by the air tube so that the soft clay can be quickly improved. The construction period can be minimized as well as the construction period of the soft ground can be shortened. It would be an advantage, such as that can be easily applied as a new construction architecture of the subject innovation, particularly ground or beach tochwijang tochwijang of the lack of alternative to fill the soil in order to improve the soft ground the distance.

Claims (1)

연약지반(1)의 지표면에 배수층이 되는 모래층(2)을 층설하여 모래층(2)의 표면부에는 부직포매트(3)를 깔아 포설하고, 연약지반(1)의 탈수용 배수드레인이 되는 수직배수드레인(4)과 수평배수드레인(5)을 시공설치하는 통상의 시공법에 있어서, 상기 부직포매트(3)의 상부에 저수조(6)를 형성하기 위한 공기튜브(7)를 깔아 포설한 다음, 공기튜브(7)의 상면부에 물(8)을 채우면서 공기튜브(7)의 둘레부에 공기를 주입하므로서 공기튜브(7)의 둘레부가 저수조(6)를 형성하는 방수겸용제방(9)이 형성되게 함을 특징으로 한 연약지반을 개량하기 위한 저수조를 형성하는 방수겸용 공기튜브제방의 시공구조.A sand layer 2 serving as a drainage layer is laid on the ground surface of the soft ground 1, and a non-woven mat 3 is laid on the surface of the sand layer 2, and a vertical drainage drainage drain drainage layer of the soft ground 1 is used. In the usual construction method for installing and installing the drain 4 and the horizontal drainage drain 5, the air tube 7 for forming the reservoir 6 is laid on the upper portion of the nonwoven fabric mat 3, and then air is installed. While the water is injected into the upper surface of the tube 7 while the air is injected into the circumference of the air tube 7, the circumference of the air tube 7 forms a water reservoir 6. The construction structure of the waterproof combined use air tube embankment which forms the reservoir for improving the soft ground characterized by being formed.
KR2020000003274U 2000-02-08 2000-02-08 Air tube dike to make water reservoir instead of soil fill for surcharge load to use soil improvement of cohesion soil KR200188225Y1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040022673A (en) * 2002-09-09 2004-03-16 임준호 Dehydration construction using water-load and drainage
KR100429370B1 (en) * 2001-05-16 2004-04-28 최귀봉 Method for constructing revetment dike using a fiber for public works
KR100427589B1 (en) * 2001-03-30 2004-04-29 김동민 Soil improvement structure and method viscous soil reclaimed land
KR100463314B1 (en) * 2002-07-12 2004-12-29 김윤상 Soil Improvement Method of Soft Clay Using Water as Surcharge Load in Large Land
KR100714647B1 (en) * 2005-10-11 2007-05-07 김용수 Soft ground quick drainage by vacuum pumping
CN105350511A (en) * 2015-12-01 2016-02-24 浙江理工大学 Border dike water bag strip, water storing border dike, and method for performing water bag strip pile-loading and prepressing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100427589B1 (en) * 2001-03-30 2004-04-29 김동민 Soil improvement structure and method viscous soil reclaimed land
KR100429370B1 (en) * 2001-05-16 2004-04-28 최귀봉 Method for constructing revetment dike using a fiber for public works
KR100463314B1 (en) * 2002-07-12 2004-12-29 김윤상 Soil Improvement Method of Soft Clay Using Water as Surcharge Load in Large Land
KR20040022673A (en) * 2002-09-09 2004-03-16 임준호 Dehydration construction using water-load and drainage
KR100714647B1 (en) * 2005-10-11 2007-05-07 김용수 Soft ground quick drainage by vacuum pumping
CN105350511A (en) * 2015-12-01 2016-02-24 浙江理工大学 Border dike water bag strip, water storing border dike, and method for performing water bag strip pile-loading and prepressing

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