KR20120139874A - Drainage system for soft ground using open channel and water-permeable drainage member - Google Patents
Drainage system for soft ground using open channel and water-permeable drainage member Download PDFInfo
- Publication number
- KR20120139874A KR20120139874A KR1020110059394A KR20110059394A KR20120139874A KR 20120139874 A KR20120139874 A KR 20120139874A KR 1020110059394 A KR1020110059394 A KR 1020110059394A KR 20110059394 A KR20110059394 A KR 20110059394A KR 20120139874 A KR20120139874 A KR 20120139874A
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- South Korea
- Prior art keywords
- drainage
- permeable
- water
- channel
- ground
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0085—Geotextiles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a soft ground collecting and drainage system formed by dredging and the like, and more particularly, a single or a plurality of pieces having a permeable upper filter material coated thereon in a plurality of horizontal directions in the cross direction at the top and the bottom thereof. By forming permeable drainage and connecting the upper and lower horizontal drainage by using vertical drainage, it is possible to improve the drainage performance of the gap water in the soft ground by the three-dimensional drainage structure, and at the same time, the rainwater generated on the soft ground Even surface water, including the excellent water drainage performance, and particularly relates to a soft ground drainage system using a water channel and permeable drainage to reduce the construction cost by simplifying the upper structure of the channel.
Description
The present invention relates to a soft ground collection and drainage system formed by dredging, etc. More specifically, a plurality of water permeability in the upper, lower and vertical directions in a single or a plurality of channels having a permeable upper filter material coated on the top By forming three-dimensional arrangement of drainage material in the horizontal and vertical directions, it is possible to display the surface water and the pore water including the rainwater generated in the upper part of the soft ground while showing excellent collection and drainage function of the soft ground soil gap. Excellent ground drainage performance can be obtained in the top and deep layers, and in particular, the soft ground drainage system using a water channel and permeable drainage can bring about efficiency and economic efficiency of the ground drainage system of the soft ground improvement construction and ease of construction.
The dredged rough ground is in a sludge state, has a high compressibility, and has little ground strength.
Such dredged landfills should have a minimum bearing capacity to secure the runability of heavy equipment put into the soft ground improvement work, which requires at least several months to several decades after dredging landfill.
However, the method of securing longevity through the neglecting period is due to the problem of construction period and the occurrence of group complaints of residents around dredging landfills due to the habitat of pests during the neglecting period. Development is needed.
Therefore, as a method for securing the drainage and durability of the soft ground mainly employed in the soft ground improvement work, it is left for a long time after dredging and forms a horizontal drainage layer made of reinforcing materials such as geotextiles and sand or gravel. The method of draining the pore water by inserting the vertical drainage material into the ground is mainly used.However, this method is soft for a long time in order to secure the required bearing capacity of the soft ground due to the delayed drainage of the gap water generated during the soft ground improvement. Ground improvement work should be carried out.
Accordingly, the applicant of the present invention proposed a channel in which the drainage is formed in the cross direction in the bottom of the channel formed in the continuous longitudinal direction as in Patent Registration No. 1019882 and applied to the soft ground surface treatment method.
However, in the construction of the soft ground drainage using the channel, the drainage is formed on the bottom of the channel in the plane, which is excellent as the surface treatment method of the soft ground, but the drainage system is the soft ground. Because it is installed in the surface of the soft soil, including the rainwater coming down from the upper fill part, and the drainage performance of the pore water rising through the channel or the upper part of the soft ground through the vertical drainage material is not effective Occurred.
In addition, since the horizontal drainage layer made of gravel or sand should be formed on the upper part of the channel, there is a problem of an increase in construction cost and troublesome construction.
The present invention has been made in order to solve the above problems, to form a water-permeable drainage in a plurality of horizontal directions in the cross direction of the upper and lower parts in a single or a plurality of the number is coated with a permeable upper filter material on the top, By connecting or draining the vertical drainage to the upper drainage, the water drainage performance of the soft ground can be improved by the three-dimensional drainage structure, and the surface water and the pore water including the rainwater generated in the upper part of the soft ground are treated. In particular, the present invention provides a soft ground drainage system using a water channel and a permeable drainage material, which can reduce construction costs by replacing the horizontal drainage layer made of gravel or sand. It is an object of the invention.
Specific means for achieving the above object, the main drainage means is constructed in the ground of the soft ground and one or more of the number of drainage of the rainwater and gap water of the ground or ground to the catchment and the catchment of both ends;
An upper drainage means formed of at least one of an upper drainage means for draining the rainwater and the gap water of the ground or the ground into the catchment and the drainage channel in a manner of interviewing or penetration in a direction intersecting with the channel in the upper part of the channel;
A lower drainage means formed of at least one lower drainage material formed at a lower portion of the channel by an interview or penetration in a direction intersecting with the channel and for draining the lower gap water in the ground into the catchment and the channel; And
It can be achieved by including a vertical drainage means of the vertical drainage for collecting and draining the ground water of the ground on both sides of the channel.
The soft ground collection and drainage system using the water passage and the permeable drainage of the present invention as described above, the surface water and the gap water including the rainwater of the upper and lower parts of the soft ground at the same time through the upper and lower drainage and vertical drainage By quickly collecting water into the furnace, it is possible to obtain an effect that can significantly improve the performance of water collection and treatment of water generated at the surface, ceiling, and deep layers during soft ground improvement construction.
In addition, by replacing the horizontal drainage layer forming the filling part by the conventional gravel or sand formed on the upper part of the soft ground and the waterway, the collection and drainage system is used to reduce the construction cost by securing the quick and easy collection and drainage performance in the soft ground improvement construction. It is possible to obtain an effect that can lead to a drastic shortening of the construction period by securing early endurance.
1 is a perspective view showing a separated state of the soft ground collection system using the water passage and permeable drainage of the present invention.
Figure 2 is a perspective view showing a combined state of the soft ground collection system using the water passage and permeable drainage of the present invention.
Figure 3 is a perspective view showing the structure of the channel of the present invention channel and the soft ground collection system using the permeable drainage.
Figure 4 is an embodiment showing the channel and drainage structure of the soft ground collection system using the water passage and permeable drainage of the present invention.
Figure 5 is another embodiment showing the channel and drainage structure of the soft ground collection system using the water passage and permeable drainage of the present invention.
Figure 6 is another embodiment showing the channel and drainage structure of the soft ground collection system using the water passage and permeable drainage of the present invention.
Figure 7 is a cross-sectional view showing a water collecting state of the soft ground collection system using the water passage and permeable drainage of the present invention.
8 is a plan view showing a construction state of the soft ground collection system using the water passage and permeable drainage of the present invention.
The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.
Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1 is a perspective view showing a separated state of the soft ground drainage system using the water passage and permeable drainage of the present invention, Figure 2 is a combination of the soft ground drainage system using the water passage and permeable drainage of the present invention It is a perspective view showing the state.
1 and 3, the soft ground collection and drainage system using the water passage and the permeable drainage of the present invention, the main drain means 100 is installed in a single or a plurality of ground in the soft ground, and the main drain Upper drain means 300 is installed on the upper portion of the
Here, the main drainage means 100 is installed in a single or plural in the ground of the soft ground for collecting and draining the surface water and the gap water including rainwater, it is composed of a number of
Here, the water collecting well is formed in a tubular shape or a container shape, and the water collected therein is configured to be discharged to the outside by a water pump (not shown).
At this time, the
In addition, the upper and
In addition, the
In addition, the upper portion of the weight (W), that is, the upper opening of the
In addition, the
The upper drainage means 300, the upper drainage in the form of one or more blind chamge formed horizontally to intersect with the
At this time, the
The lower drainage means 400 may include one or more blind culverts that are installed in a horizontal direction to intersect with the
The vertical drainage means 500 is composed of one or more blind drainage type
At this time, the
In addition, an upper end thereof is connected to the
Meanwhile, the
As shown in FIG. 4, the blind perimeter may be formed by coating the permeable filter material P on the outer circumferential surface of the
In addition, the
As shown in FIG. 5, the oil
In addition, the
As shown in FIG. 6, the tubular permeable filter material P may be formed by filling a heavy material W made of sand or gravel with a blind buffer.
At this time, it is preferable to fill the weight (W) with a porosity that does not interfere with the flow of water.
In addition, the
In addition, as shown in Figure 7, the ground reinforcement mat made of geosynthetic material having a
Hereinafter, the operation of the soft ground collection and drainage system using the water passage and the permeable drainage of the present invention having the above configuration will be described in detail with reference to the accompanying drawings.
The soft ground collection and drainage system using the channel and the permeable drainage of the present invention is effectively generated during the improvement of the soft ground by collecting and draining the surface water and the soft ground surface layer, the top layer, and the depth of the deep layer including the rainwater over the soft ground. It is to secure rapid durability of soft ground by collecting water effectively.
In detail, the soft ground has a high moisture content, the ground strength of the ground due to the high water content is not possible to enter the heavy equipment, such as construction of the building is impossible.
Therefore, the soft ground can be secured quickly and quickly by draining the surface water and the pore water contained in the soft ground effectively and quickly.
On the other hand, when the installation state in the soft ground of the soft ground collection system using the water passage and the permeable drainage of the present invention, the
In this case, the
Subsequently, the upper surface of the
On the other hand, the present invention is for the rapid improvement of the soft ground as described above, looking at the action,
First, as shown in FIG. 7, the surface water and the soft ground surface layer, the top layer, and the depth number of the deep layers including rainwater of the soft ground are collected through the upper and lower drainage means 300 and 400 and the vertical drainage means 500. The surface water and the pore water collected by the drain means 100, and the surface water and the pore water collected by the main drain means 100 are drained to the
That is, in the upper drainage means 300, the surface drainage and the surface water of the surface layer are effectively collected by the
At this time, the
In addition, the lower drain means 400 is to effectively collect the soft ground top floor underground pore water by the
In addition, in the vertical drainage means 500, the
On the other hand, the
As described above, the water drained into the
On the other hand, the
In addition, the
In addition, the
Meanwhile, as shown in FIG. 8, the
100: main drainage means 110: waterway
111: mesh frame 113: permeable member
114,114 ': Upper and lower drainage space 116: Upper filter material
117: water hole 118: ground reinforcement mat
119: water collector 200: water collecting
300: upper drainage means 310: upper drainage
400: lower drain means 410: lower drain
500: vertical drain means 510: vertical drain
610: Merit Hall 611,611 ': Pitcher
P: Permeable Filter Material W: Heavy Material
Claims (9)
At least one of the upper part of the channel 110 is formed in the manner of interview or penetration in the direction intersecting with the channel 110 in order to drain the rainwater and the gap number of the ground or ground into the water collecting and channel 110 An upper drainage means 300 of the upper drainage material 310;
At least one lower drainage material formed at a lower portion of the channel 110 in an intersecting manner with the channel 110 in an interview or penetration to drain the lower gap water in the ground into the water collecting and channel 110. A lower drain means 400 of 410; And
Soft water using the channel and the water-permeable drainage, characterized in that it comprises a vertical drainage means 500 of the vertical drainage 510 for collecting and draining the ground water of the ground at both sides of the channel 110 Soil Drainage System.
Vertical drain 510,
Soft ground collection and drainage system using a water passage and a permeable drainage, characterized in that the upper end is connected to the upper drainage 310 in one of interview or penetration.
Vertical drain 510,
The upper end is connected to the upper drainage material 310, the middle portion thereof is connected to the lower drainage material 410, the lower portion of the water passage characterized in that configured to extend to the lower portion of the lower drainage material 410 Soft ground drainage system using permeable and permeable drainage.
The number of passages 110 of the main drainage means 100 is
The permeable filter material P is coated on the mesh frame 111 having the upper opening, and the upper and lower drainage spaces 114 and 114 'are formed by the mesh permeable member 113 in the inner space thereof. The upper portion of the drainage space 114 is filled with a buoyancy suppression weight (W), the upper portion of the buoyancy suppression weight (W) is characterized in that the finish is formed with a permeable upper filter material 116 Soft ground drainage system using a channel and permeable drainage system.
The permeable upper filter material 116 is a soft ground drainage system using a water passage and a permeable drainage, characterized in that it has one or more water holes (117).
The channel 110, the upper and lower drains 310 and 410, and the vertical drain 510,
Soft ground using a water passage and permeable drainage, characterized in that it consists of a blind culvert coated with a permeable filter material (P) on the outer circumferential surface of the perforated pipe 610 having a plurality of permeable holes (611, 611 ') Drainage system.
The channel 110, the upper and lower drains 310 and 410, and the vertical drain 510,
While inserting a hole tube 610 having a plurality of permeable holes 611, 611 'in the center of the tubular permeable filter material (P),
In the space between the permeable filter material (P) and the perforated pipe 610 is composed of a blind rock filled with a heavy material (W) of sand or gravel, the soft channel using a water passage and permeable drainage Drainage system.
The channel 110, the upper and lower drains 310 and 410, and the vertical drain 510,
A soft ground collecting and drainage system using a water passage and a permeable drainage, characterized by comprising a blind culvert filled with sand or gravel weight (W) inside the tubular permeable filter material (P).
Water passage and permeable drainage, characterized in that the ground additional reinforcing mat 118 having a water passage 119 in communication with the water passage 117 to the upper filter material 116 of the channel 110 Soft ground drainage system using
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020110059394A KR20120139874A (en) | 2011-06-20 | 2011-06-20 | Drainage system for soft ground using open channel and water-permeable drainage member |
Applications Claiming Priority (1)
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KR1020110059394A KR20120139874A (en) | 2011-06-20 | 2011-06-20 | Drainage system for soft ground using open channel and water-permeable drainage member |
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KR20120139874A true KR20120139874A (en) | 2012-12-28 |
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KR1020110059394A KR20120139874A (en) | 2011-06-20 | 2011-06-20 | Drainage system for soft ground using open channel and water-permeable drainage member |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101459703B1 (en) * | 2014-01-29 | 2014-11-12 | 주식회사 항도엔지니어링 | Method for draining and reinfrocing dredged reclaimed land |
KR101868769B1 (en) | 2018-01-22 | 2018-07-23 | 최영진 | Constructing method for drainage and reinforce of filled ground in seashore |
WO2020215419A1 (en) * | 2019-04-23 | 2020-10-29 | 东北大学 | In-situ solidifying and drainage structure for silt and soft soil foundations |
-
2011
- 2011-06-20 KR KR1020110059394A patent/KR20120139874A/en not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101459703B1 (en) * | 2014-01-29 | 2014-11-12 | 주식회사 항도엔지니어링 | Method for draining and reinfrocing dredged reclaimed land |
KR101868769B1 (en) | 2018-01-22 | 2018-07-23 | 최영진 | Constructing method for drainage and reinforce of filled ground in seashore |
WO2020215419A1 (en) * | 2019-04-23 | 2020-10-29 | 东北大学 | In-situ solidifying and drainage structure for silt and soft soil foundations |
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