KR200194458Y1 - The structure improved outer layer of tender base for improveing constrution of the dredged soil tender base - Google Patents
The structure improved outer layer of tender base for improveing constrution of the dredged soil tender base Download PDFInfo
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- KR200194458Y1 KR200194458Y1 KR2020000002640U KR20000002640U KR200194458Y1 KR 200194458 Y1 KR200194458 Y1 KR 200194458Y1 KR 2020000002640 U KR2020000002640 U KR 2020000002640U KR 20000002640 U KR20000002640 U KR 20000002640U KR 200194458 Y1 KR200194458 Y1 KR 200194458Y1
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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
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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
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/40—Miscellaneous comprising stabilising elements
Abstract
본 고안은 하천, 늪지대, 간석지 등의 기초 연약지반의 지표면에 연약지반을 개량하기 위한 탈수시공장비를 투입하기 위하여 연약지반의 지표면을 개량함에 있어서, 튜브형의 벌룬매트(BALLOON MAT)(2)와 부직포 매트(3), 모래층(4) 및 성토층(5)을 순차적으로 층설하여 구성한 준설토 연약지반의 개량을 위한 연약지반의 표층개량구조에 관한 것으로, 연약지반의 개량을 위한 탈수시공장비의 주행 및 시공작업을 간편하고 원활하게 할 수 있도록하므로서 시공기간을 단축하여 공사비를 적게할 수 있도록 한 것임.The present invention is a tube-shaped balloon mat (BALLOON MAT) (2) in the improvement of the ground surface of the soft ground in order to inject the dehydration construction equipment for the improvement of the soft ground to the ground surface of the ground, such as rivers, swamps, tidal flats, etc. It relates to the surface layer improvement structure of soft ground for improvement of dredged soil soft ground composed of non-woven fabric mat (3), sand layer (4) and fill layer (5) in sequence, and running of dewatering construction equipment for improvement of soft ground In addition, construction time can be easily and smoothly reduced, thereby reducing construction costs.
Description
본 고안은 하천, 늪지대, 간석지 등의 기초 연약지반의 지표면에 튜브형의 벌룬매트(BALLOON MAT)와 부직포 매트, 모래층 및 성토층을 순차적으로 포층하여 구성한 준설토 연약지반의 개량을 위한 연약지반의 표층 개량구조에 관한 것으로, 연약지반의 개량을 위한 탈수시공장비의 주행 및 시공작업을 간편하고 원활하게 할 수 있도록 하므로서 시공기간을 단축하여 공사비를 적게 할 수 있도록 고안된 것이다.The present invention is to improve the surface layer of soft ground for the improvement of dredged soil soft ground composed of a tube-type balloon mat (BALLOON MAT), non-woven mat, sand layer and embankment layer sequentially on the ground surface of soft ground such as rivers, swamps and tidal flats. Regarding the structure, it is designed to reduce the construction period by reducing the construction period by allowing easy and smooth running and construction work of the dehydration construction equipment for the improvement of the soft ground.
종래에 기초 연약지반의 표층을 시멘트에 급결제를 첨가하여 적정두께의 구조로 고화처리하여 지반의 강도를 확보한 다음, 연약지반의 개량을 위한 탈수시공장비를 진입하였다. 또는 별도의 표층구조가 없이 기초 연약지반의 표층에 직접 부상장비를 띄워 탈수시공장비를 진입하였다.Conventionally, the surface layer of the foundation soft ground was added to cement to solidify the structure to an appropriate thickness to secure the strength of the ground, and then entered the dehydration construction equipment for the improvement of the soft ground. Or, there was no separate surface structure and floated directly on the surface of the foundation soft ground to enter the dehydration construction equipment.
이와같은 종래의 구조에 있어서는 설치구조가 복잡하고 설치기간이 길어지게 되어 공사비가 많아지게 되는 결점이 있었다. 특히 연약지반의 개량을 위하여 기초 연약지반의 표층으로 거대한 탈수시공장비를 진입하기 위한 표층의 개량구조는 미확립상태로서 실용적인 대안이 요구되는 실정이다.Such a conventional structure has a drawback in that the installation structure is complicated and the installation period becomes long, resulting in a large construction cost. In particular, for the improvement of the soft ground, the improvement structure of the surface for entering the huge dehydration construction equipment into the surface of the basic soft ground is not established and a practical alternative is required.
본 고안은 종래의 제반 결점을 해소하기 위하여 기초 연약지반의 지표면에 벌룬매트와 부직포 매트, 부직포 모래층 및 성토층을 순차적으로 층설하여 설치하는 구조로서 설치작업을 짧은 기간에 간편하게 완료하여 설치비용을 최소화 할 수 있도록 하며, 따라서 이와같이 기초 연약지반의 표층개량구조가 완료된 상태에서 연약지반의 개량을 위하여 필요한 탈수시공장비를 진입시켜 수직배수드레인과 수평배수드레인을 시공설치하므로서 연약지반의 내부에 함유되어 있는 수분(물)을 원활하게 탈수시켜 연약지반을 신속하게 개량할 수 있도록 함과 시공기간을 단축하여 준설토 연약지반을 개량하기 위한 전반적인 공사비를 최소화할 수 있는 것이다.The present invention is designed to sequentially install a balloon mat, a nonwoven mat, a nonwoven sand layer, and a fill layer on the ground surface of the basic soft ground to solve the conventional defects. In this way, when the surface improvement structure of the basic soft ground is completed, the dehydration construction equipment necessary for the improvement of the soft ground is entered, and the vertical drainage drainage and horizontal drainage drainage are installed and installed in the soft ground. By smoothly dehydrating water (water), it is possible to quickly improve the soft ground and shorten the construction period, thereby minimizing the overall construction cost to improve the dredged soft ground.
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 : 기초 연약지반 2 : 벌룬매트(BALLOON MAT)1: Basic soft ground 2: Balloon mat (BALLOON MAT)
3 : 부직포 매트 4 : 모래층3: nonwoven mat 4: sand layer
5 : 성토층 6 : 표층 개량구조층5: Fill layer 6: Surface improved structure layer
7 : 수직배수드레인 8 : 수평배수드레인7: vertical drain drain 8: horizontal drain drain
9 : 배수로9: drainage
기초 연약지반(1)의 지표면에 벌룬매트(BALLOON MAT)(2)를 깔아 포설하고 벌룬매트(2)의 표면부에는 부직포 매트(3)를 깔아 포설한 다음, 부직포 매트(3)의 상면부로 배수층이 되는 적정 두께의 모래층(4)과 성토층(5)을 순차적으로 층설하여주므로서 기초 연약지반(1), 표층 개량구조층(6)의 시공을 완료하게 되는데 이때 연약지반의 개량을 위하여 필요한 통상의 탈수시공장비(도시생략)를 진입시켜 연약지반(1)의 탈수용 배수레인이 되는 통상의 수직배수드레인(7)과 수평배수드레인(8)을 설치하되, 수직배수드레인(7)은 연약지반(1)의 깊이만큼 수직으로 심설하여 수직배수드레인(7)의 상단부는 배수층이 되는 모래층(4)의 상부로 적정길이(약80cm정도)만큼 돌출되도록 설치하며, 수평배수드레인(8)은 배수층이 되는 모래층(4)의 내부 표층부로부터 배수로(9)에 이르도록 깔아 설치한다.BALLOON MAT (2) is laid on the ground surface of the basic soft ground (1), and a non-woven mat (3) is laid on the surface of the balloon mat (2), and then the top surface of the nonwoven mat (3) is laid. By laying the sand layer 4 and the fill layer 5 of the appropriate thickness to be the drainage layer in order, the construction of the foundation soft ground 1 and the surface improvement structural layer 6 is completed. The normal vertical drainage drain 7 and the horizontal drainage drain 8 are installed to enter the necessary normal dewatering construction equipment (not shown) to become the drainage drainage drain of the soft ground 1, but the vertical drainage drain 7 Is installed vertically by the depth of the soft ground (1) so that the upper end of the vertical drainage drain (7) is installed so as to protrude by an appropriate length (about 80 cm) to the top of the sand layer (4) to become the drainage layer, the horizontal drain drain (8 ) Reaches the drainage path 9 from the inner surface layer portion of the sand layer 4 which becomes the drainage layer. The rock crushing installation.
이와같은 본고안은 기초 연약지반(1)의 지표면에 깔아 포설하는 벌룬매트(2)는 튜브형상의 포대상태로 깔아 설치한다음 적정두께의 풍선형상이 되도록 통상의 공기주입기로서 공기를 불어 넣어주므로서 튜브형상의 벌룬매트(2)로서의 기능을 발휘하게 된다. 이때 벌룬매트(2)에 공기를 주입하고 밀봉하는 구조는 열융착식이나 테이프붙임식으로 현장에서 간단히 마감처리하여 밀폐상태를 유지하므로서 공기압에 의한 부상력으로 연약지반상에 함몰되지 않으며, 또한 차량 하중에 의한 접지압력을 벌룬매트(2)의 공기압력에 의해 연약지반(1)의 전체에 등분포하게 하여 연약지반(1)이 국부적으로 전단파괴되는 일이 없이 차량통행을 가능하게 한다. 이와같은 기능을 발휘하게 되는 벌룬매트(2)는 모래층(4)과 성토층(5)을 포설할 때까지만 토사운반차량(덤프트럭, 도져, 그레이다 등)을 위하여 필요하며, 성토층(5)이 일정높이까지 포설이 완료되면 벌룬매트(2)의 기능이 없이도 차량의 통행이 가능하게 된다. 따라서 성토층(5)의 상부에서 탈수용시공장비를 진입하여 성토층(5)으로부터 벌룬매트(2)를 관통하여 연약지반(1)의 하방깊이까지 수직배수드레인(7)을 타설하므로서 벌룬매트(2)가 구멍이 뚫려 공기가 빠지게 되면 튜브상 상태의 벌룬매트(2)의 상하면이 층접된 상태로서 보강 매트의 기능을 발휘하게 되어 전단파괴에 저항하는 역할을 하게된다. 따라서 차량이나 탈수용 시공장비 등의 하중응력은 이미 성토층(5)에서 해결하고 있으므로 차량의 통행 및 탈수용 시공장비가 진입하는데 이상이 없는 것이다. 이와같은 구조와 기능을 가지는 벌룬매트(2)의 포설작업을 완료한 후 벌룬매트(2)의 상면부에 통상의 부직포매트(3)를 깔아 포설하므로서 튜브형의 벌룬매트(2)는 강력한 부상력과 전단응력을 발휘하게 된다. 이와같이 강력한 부상력과 하중응력(전단응력)을 발휘하는 부직포매트(3)의 상부로 적정두께의 모래층(4)과 성토층(5)을 순차적으로 층설하므로서 연약지반의 개량시공을 위하여 필요한 탈수시공장비를 진입할 수 있는 견고한 기초 연약지반(1)의 표층 개량구조층(6)이 된다. 이때 부직포매트(3)의 상부에 모래층(4)을 층설한 다음, 수평배수드레인(8)을 배수로(9)에 이르도록 미리 깔아 설치해 놓음이 바람직하다.In this paper, the balloon mat (2) laid on the ground surface of the basic soft ground (1) is laid in a tubular bag, and then blows air with a normal air injector so as to make a balloon of a suitable thickness. The function as a tube-shaped balloon mat 2 is exhibited. At this time, the structure to inject and seal the air into the balloon mat (2) is heat-sealed or taped, so that it is simply finished on site to maintain a closed state, so that it is not depressed on the soft ground due to the air force. The ground pressure due to the load is equally distributed over the entire soft ground 1 by the air pressure of the balloon mat 2, so that the soft ground 1 can pass through the vehicle without locally shearing. The balloon mat 2 exhibiting such a function is necessary for the soil transport vehicle (dump truck, dozer, grader, etc.) only until the sand layer 4 and the fill layer 5 are installed. When the installation is completed up to a certain height, traffic of the vehicle is possible without the function of the balloon mat (2). Therefore, the balloon mat is placed by entering the dehydration construction equipment from the top of the fill layer 5, penetrating the balloon mat 2 from the fill layer 5, and pouring the vertical drainage drain 7 to the depth of the soft ground 1 below. When (2) is drilled out of the air, the upper and lower surfaces of the balloon mat (2) in the tubular state is in a state of layer contact, and serves to function as a reinforcing mat, which serves to resist shear failure. Therefore, the load stress of the vehicle or dewatering construction equipment is already solved in the fill layer (5), there is no abnormality in entering the vehicle passage and dewatering construction equipment. After completing the installation of the balloon mat 2 having such a structure and function, the non-woven mat 3 is laid on the upper surface of the balloon mat 2 so that the tubular balloon mat 2 has a strong floating force. And shear stress. The dehydration work required for the improvement of the soft ground by laying the sand layer 4 and the fill layer 5 of the appropriate thickness on the upper part of the nonwoven fabric mat 3 that exhibits such strong floating force and load stress (shear stress). It is a surface improvement structural layer 6 of solid foundation soft ground 1 which can enter the equipment. At this time, it is preferable to lay the sand layer 4 on the upper portion of the nonwoven fabric 3, and then install the horizontal drainage drain 8 to reach the drainage passage 9 in advance.
상기에서 완료된 기초 연약지반(1)의 표층 개량구조층(6)의 상부로 연약지반의 개량시공을 위한 통상의 탈수시공장비를 진입하여 연약지반(1)의 적정깊이와 적정간격으로 수직배수드레인(7)을 심설하여 설치한다. 따라서 연약지반(1)으로 성토층(5)의 하중이 가압되어 연약지반(1)의 내부에 함유되어 있는 수분(물)이 수직배수드레인(7)을 따라 배수층인 모래층(4)으로 배수되어 수평배수드레인(8)에 의하여 배수로(9)를 통하여 배수 되는 작용이 계속되면서 연약지반(1)이 개량 되는 것이다.Enter the normal dewatering construction equipment for the improved construction of the soft ground to the upper part of the surface improved structural layer 6 of the basic soft ground (1) completed in the above, the vertical drainage drain at the proper depth and proper interval of the soft ground (1) (7) is deeply installed. Therefore, the load of the fill layer 5 is pressurized by the soft ground 1 so that the water (water) contained in the soft ground 1 is drained along the vertical drainage drain 7 to the sand layer 4 which is a drainage layer. The drainage through the drainage path 9 is continued by the horizontal drainage drain 8, and the soft ground 1 is to be improved.
이와같은 본 고안은 기초연약지반(1)의 지표면에 튜브형으로 깔아 설치한 벌룬매트(2)에 의하여 강력한 부상력이 작용되며, 또한 벌룬매트(2)와 그 표면부에 층접하여 깔아 설치한 부직포매트(3)에 의하여 더욱 강력한 하중응력(전단응력)을 연약지반(1)의 전체면에 등분포하여 작용하게되어 부직포매트(3)의 상부로 차량이 진입하더라도 연약지반(1)이 국부적으로 전단파괴되는 일이 없으므로 부직포매트(3)의 상부로 토사운반차량(덤프트럭, 도져, 그레이다 등)을 주행시키면서 적정두께의 모래층(4)을 층설할 수 있으며, 모래층(4)을 층설한 다음에는 통상의 장비를 이용하여 모래층(4)의 표층부의 내부에 수평드레인(8)을 적정간격을 유지하면서 설치하되, 수평드레인(8)의 단부는 배수로(9)에 이르도록 설치한다. 이와같이 수평드레인(8)의 설치가 완료된 모래층(4)의 상부로 적정두께의 성토흙(5)을 층설시키므로서 기초 연약지반(1)의 표층 개량구조층(6)이 완료된다.The present invention is a strong floating force is applied by the balloon mat (2) installed in the tubular surface on the ground surface of the foundation soft ground (1), and also the non-woven fabric laid in contact with the balloon mat (2) and its surface The mat 3 acts to distribute the more powerful load stress (shearing stress) to the entire surface of the soft ground 1 so that the soft ground 1 is local even if the vehicle enters the upper portion of the nonwoven mat 3. Since it is not sheared, the sand layer 4 of suitable thickness can be laid while driving the soil transport vehicle (dump truck, dozer, grader, etc.) to the upper portion of the nonwoven fabric mat 3, and the sand layer 4 is laid. Next, a horizontal drain 8 is installed inside the surface layer portion of the sand layer 4 while maintaining a proper interval using conventional equipment, but an end of the horizontal drain 8 is installed to reach the drainage passage 9. Thus, by laying the soil 5 of suitable thickness in the upper part of the sand layer 4 in which the horizontal drain 8 was installed, the surface improvement structure layer 6 of the basic soft foundation 1 is completed.
상기와 같은 표층 개량구조층(6)이 완료되면 연약지반의 개량시공을 위한 통상의 탈수 시공장비(도시생략)를 진입하여 통상의 시공법에 의하여 수직배수드레인When the surface improvement structure layer 6 as described above is completed, the conventional drainage construction equipment (not shown) for improved construction of the soft ground enters the vertical drainage drainage by the normal construction method.
(7)을 적정간격을 유지하면서 연약지반(1)의 하방으로부터 배수층이 되는 모래층(4)에 이르도록 심설하여 설치하므로서 본고안의 벌룬패트(2)와 부직포매트(3)에 의해 형성되는 연약지반의 표층개량구조층(6)에 의하여 연약지반의 개량을 위한 시공설치작업을 안전하고 용이하게 연약지반(1)의 내부에 함유되어 있는 수분(물)이 수직배수드레인(7)으로 유입되어 배수층이 되는 모래층(4)과 수평배수드레인(8)을 통하여 배수로(9)로 유출되므로서 연약지반(1)의 개량작용을 하게 된다.Soft ground formed by balloon pad (2) and non-woven fabric mat (3) in this paper by installing deeply installed (7) from the bottom of soft ground (1) to the sand layer (4) which becomes drainage layer while maintaining appropriate interval. Water (water) contained in the soft ground (1) flows into the vertical drainage drain (7) safely and easily by the surface improvement structure layer (6) of the installation. Through the sand layer 4 and the horizontal drainage drain 8 to be discharged to the drainage path 9, the improvement of the soft ground 1 is performed.
이와같이 된 본고안고안약지반의 탈수시공장비를 진입하기 위하여 벌룬매트와 부직포매트에 의하여 설치되는 기초 연약지반의 표층 개량시공구조를 강력한 부상력과 하중응력을 작용할 수 있는 구조로서 짧은 기간에 간편하게 완료할 수 있으며, 따라서 연약지반의 탈수를 위한 수직배수드레인과 수평배수드레인의 시공작업을 간편하고 용이하게하므로서 연약지반을 개량하기 위한 제반시공작업을 짧은 기간에 용이하게 완료하므로서 시공기간을 단축할 수 있는 등 시공비를 크게 절감할 수 있다.In order to enter the dewatering construction equipment of this secured ophthalmic foundation, the surface improvement construction of the foundation soft foundation installed by balloon mat and nonwoven fabric mat can be easily completed in a short period of time with strong floating force and load stress. Therefore, the construction period of the vertical drainage drainage drainage and the horizontal drainage drainage drainage for the soft ground can be easily and easily completed, and the construction period can be shortened by easily completing the general construction work for the improvement of the soft soil in a short period of time. The construction cost can be greatly reduced.
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| KR1020000004657A KR100355461B1 (en) | 2000-01-31 | 2000-01-31 | An early stage improved construction method of the dredged soil tender base using balloon mat and outer layer improved structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040032161A (en) * | 2002-10-01 | 2004-04-17 | 김병호 | drainge embankment method of flimsy ground |
| KR100427589B1 (en) * | 2001-03-30 | 2004-04-29 | 김동민 | Soil improvement structure and method viscous soil reclaimed land |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105019420A (en) * | 2014-04-29 | 2015-11-04 | 中交四航工程研究院有限公司 | One-time deep treatment method of new reclamation supersoft soil foundation |
| CN108867610A (en) * | 2018-07-24 | 2018-11-23 | 四川大航建设工程有限公司 | A kind of construction method of the laying road on mud earthen foundation |
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2000
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Cited By (2)
| 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 |
| KR20040032161A (en) * | 2002-10-01 | 2004-04-17 | 김병호 | drainge embankment method of flimsy ground |
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| KR100355461B1 (en) | 2002-10-11 |
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