KR20010067815A - Soil improvement structure and method viscous soil reclaimed land - Google Patents

Soil improvement structure and method viscous soil reclaimed land Download PDF

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Publication number
KR20010067815A
KR20010067815A KR1020010016971A KR20010016971A KR20010067815A KR 20010067815 A KR20010067815 A KR 20010067815A KR 1020010016971 A KR1020010016971 A KR 1020010016971A KR 20010016971 A KR20010016971 A KR 20010016971A KR 20010067815 A KR20010067815 A KR 20010067815A
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layer
soil
nonwoven fabric
dredging
perforated
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KR1020010016971A
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Korean (ko)
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KR100427589B1 (en
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김동민
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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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0053—Production methods using suction or vacuum techniques
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0085—Geotextiles
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PURPOSE: A construction method and a structure for processing the surface of a cohesive soil dredging and reclaimation ground by vacuum dehydration using nonwoven fabrics are provided to safely secure the trafficability of equipment by increasing the bearing capacity of the ground and increase economic efficiency by providing convenience in operation and the buying of materials. CONSTITUTION: A construction method and a structure for processing the surface of a cohesive soil dredging and reclaimation ground by vacuum dehydration using nonwoven fabrics includes the steps of paving lower construction fiber nonwoven fabrics(3a) on the surface of a first soil layer(1) and simultaneously paving upper construction fiber nonwoven fabrics(3) and perforated drain pipe(6a), forming a horizontal drain layer(6) on the upper and lower portions of the perforated drain pipe to be contacted with the upper and lower construction fiber nonwoven fabrics, forming a second soil layer(2) on an upper portion of the horizontal drain layer, thereby burying the horizontal drain layer between the first and second soil layers and contacting the upper and lower construction fiber nonwoven fabrics to the perforated drain pipe vertically.

Description

부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리시공법 및 표층처리구조{SOIL IMPROVEMENT STRUCTURE AND METHOD VISCOUS SOIL RECLAIMED LAND}SOIL IMPROVEMENT STRUCTURE AND METHOD VISCOUS SOIL RECLAIMED LAND}

본 발명은 해안이나 강변 및 저습지 등에 점토를 준설매립하는 심층지반을 개량하기 위한 장비의 주행성(trafficability)을 안전하고 용이하게 확보하기 위하여 발명된 부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리시공법 및 표층처리구조에 관한 것으로 점성토를 준설매립하는 작업을 함에 있어서 1차 준설점성토층과 2차 준설점성토층의 사이에 유공배수관의 상·하로 토목섬유부직포가 층접되도록 포설하여 유공배수관을 진공펌프에 연결하므로서 상기 1차 및 2차 준설점성토층의 사이에 포설되어 층접된 유공배수관과 토목섬유부직포가 수평배수층을 형성하도록 하는 표층처리구조 작업을 간편하게 할 수 있도록 하며, 수평배수층을 형성하는 토목섬유배수층에 의하여 수평배수층의 상·하부로 형성되어 있는 1차 및 2차 준설점성토층의 수분(물)을 원활하게 배수시켜 신속한 탈수효과와 지반의 지지력을 증가시킬 수 있도록 한 것이다.The present invention is a surface layer construction method of viscous dredged landfilling ground by vacuum dehydration using the nonwoven fabric invented in order to safely and easily secure the trafficability of equipment for improving the dredging of landfilled in coastal, riverside and low wetlands. And surface treatment structure. In the process of dredging of viscous soils, the geotextile nonwoven fabric is laid between the first and second dredged clay layers and the second dredged clay layers so that the geotextile nonwoven fabrics are layered on the vacuum pump. By connecting between the primary and secondary dredging clay soil layer, the grounded porous structure and geotextile nonwoven fabric to facilitate the surface treatment structure work to form a horizontal drainage layer, and a civil fiber drainage layer forming a horizontal drainage layer Primary and secondary dredging viscosities formed at the top and bottom of the horizontal drainage layer by To smoothly drain the moisture (water) in the layer to one so as to increase the bearing capacity of the soil and rapid dehydration effect.

종래에는 점성토를 준설시켜 형성된 표층 점토의 부력을 이용한 특수장비로서 시멘트나 급결제 또는 특수약액을 섞어 상부 표층을 고결시켜 심층지반을 개량하기 위한 주행성장비를 진입하였으나 공사비용이 고가이고 시공속도가 늦어 경제성이 없는 문제점으로 대규모 공사에서는 적용이 곤란하였다.Conventionally, as a special equipment using buoyancy of surface clay formed by dredging clay soil, it enters the driving equipment to improve the deep ground by solidifying the upper surface layer by mixing cement, fastener or special chemicals, but the construction cost is high and construction speed is slow. It was difficult to apply in large-scale construction due to lack of economic feasibility.

본 발명은 종래의 문제점을 해소하기 위하여 점성토를 준설매립하는 1차 준설점성토층의 표면부에 연속된 토목섬유부직포를 포설하여 진공펌프와 연결하는 유공배수관을 수평배수관이 되도록 깔아 설치하고, 병행하여 유공배수관의 상부에 연속된 토목섬유부직포를 포설하여 수평배수층을 형성함과 동시에, 2차 준설점성토층을 형성하는 시공법으로서 수평배수층의 상·하부의 1차 준설점성토층의 표층부와 2차 준설점성토층에 함유된 수분(물)을 토목섬유부직포를 통하여 원활하게 배수되어 탈수효과를 증진시키며, 탈수가 완료된 후에는 토목섬유부직포가 1차 및 2차 준설점성토층의 사이에 매설되어 보강역할을 하므로서 지반의 지지력을 크게 증강시켜 심층지반개량을 위한 장비의 주행성 (trafficability)을 안전하게 확보할 수 있으며, 1차 준설점성토층의 표면부에 수평배수층과 2차 준설점성토층을 형성하는 작업의 간편성 및 재료구입의 용이성으로 경제성을 높일 수 있도록 함에 목적이 있다.The present invention in order to solve the problems of the prior art by installing a continuous geotextile nonwoven fabric in the surface portion of the first dredging viscous soil layer dredging the viscous soil to install a horizontal drainage pipe to install a perforated drainage pipe connected to the vacuum pump, As a construction method to form a horizontal drainage layer by laying a continuous geotextile nonwoven fabric on top of the perforated drainage pipe and to form a secondary dredged clay layer, the surface layer and the secondary dredged clay layer of the upper and lower portions of the horizontal drainage layer. Water (water) contained in the layer is smoothly drained through the geotextile nonwoven fabric to enhance the dehydration effect.After dehydration is completed, the geotextile nonwoven fabric is buried between the primary and secondary dredging clay soil layers to reinforce the role. By greatly strengthening the bearing capacity of the ground, it is possible to secure the trafficability of equipment for deep ground improvement, and the first dredging viscosity The purpose of the present invention is to increase the economic efficiency by the simplicity of the work of forming the horizontal drainage layer and the secondary dredging clay layer on the surface of the soil layer and the ease of material purchase.

도 1 은 본 발명의 시공상태를 절개하여 보인 사시도1 is a perspective view showing the construction state of the present invention cut

도 2 는 본 발명의 시공상태의 단면도2 is a cross-sectional view of the construction state of the present invention

도 3 은 도 2 의 "가"부를 발췌한 측단면도Figure 3 is a side cross-sectional view taken an "A" part of Figure 2

도 4 는 본 발명의 시공과정 상태의 단면도로서,4 is a cross-sectional view of the construction process state of the present invention,

도 4a 는 1차 준설점토층을 준설한 상태도Figure 4a is a state diagram dredging the first dredged clay layer

도 4b 는 1차 준설점토층의 표면에 하부 토목섬유부직포를 포설한 상태도4b is a state diagram in which the lower geotextile nonwoven fabric is laid on the surface of the primary dredging clay layer;

도 4c 는 도 4b 에서 포설한 하부 토목섬유부직포의 상부에 유공배수관과 상부 토목섬유부직포를 포설하여 진공배수층을 형성한 다음 유공배수관을 진공펌프에 연결한 상태도4C is a state diagram in which the air drainage pipe and the upper geotextile nonwoven fabric are formed on the upper portion of the lower geotextile nonwoven fabric installed in FIG. 4B to form a vacuum drainage layer, and then the hole drainage pipe is connected to the vacuum pump.

도 4d 는 진공배수층의 상부에 2차 준설점토층을 형성한 상태도4d is a state diagram in which a secondary dredged clay layer is formed on an upper portion of the vacuum drainage layer;

도 5 는 본 발명에 의한 점성토준설매립지반의 표층처리시공구조에 하중이 가하여질 경우에 지반이 고르게 나란한 상태도Figure 5 is a state in which the ground evenly side by side when a load is applied to the surface treatment construction structure of viscous dredged landfill ground according to the present invention

도 6 은 종래에 점성토준설매립지반에 하중이 가하여질 경우에 지반이 침하또는 붕괴되는 상태도6 is a state in which the ground subsides or collapses when a load is applied to a viscous dredged landfill in the related art

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

1 : 1차 준설점성토층 2 : 2차 준설점성토층1: 1st dredging viscous layer 2: 2nd dredging viscous layer

3 : 상부 토목섬유부직포 3a : 하부 토목섬유부직포3: upper geotextile nonwoven fabric 3a: lower geotextile nonwoven fabric

4 : 제방 4a : 준설토 투기장4: Dike 4a: Dredged Soil Arena

5 : 진공펌프 6 : 수평배수층5: vacuum pump 6: horizontal drainage layer

6a : 유공배수관6a: Perforated drainage pipe

1차 준설점성토층(1)의 표면부에 하부 토목섬유부직포(3a)를 포설하며, 하부 토목섬유부직포(3a)의 상부에는 준설토투기장(4a)을 설치하는 제방(4) 위에 설치시킨 진공펌프(5)와 연결하는 유공배수관(6a)을 깔아 설치하고, 유공배수관(6a)의 상부에는 상부 토목섬유부직포(3)를 포설하여 수평배수층(6)을 형성함과 동시에 수평배수층(6)의 상부에 2차 준설점성토층(2)을 병행하여 형성한다.The lower geotextile nonwoven fabric 3a is disposed on the surface of the primary dredging viscous soil layer 1, and the vacuum pump is installed on the embankment 4 on which the dredged soil dumping site 4a is installed. (5) is installed to install the perforated drainage pipe (6a), and the upper geotextile nonwoven fabric (3) in the upper portion of the perforated drainage pipe (6a) to form a horizontal drainage layer (6) and at the same time the horizontal drainage layer (6) A secondary dredging clay layer 2 is formed in parallel on the top.

도면의 미설명부호 7 은 본 발명의 점성토준설매립지반의 표층처리시공구조에 하중이 가하여질 경우에도 침하되거나 붕괴되는 일이 없이 항상 고르고 나란한 상태의 지반을 표시한 것이며, 7a 는 종래에 준설토매립지반에 하중이 가하여질 경우에 지반이 침하되거나 붕괴되는 상태의 지반을 표시한 것이다.In the drawings, reference numeral 7 denotes a ground that is always even and side-by-side without sinking or collapsing even when a load is applied to the surface treatment construction structure of the viscous dredged landfill site of the present invention. It indicates the ground in which the ground subsides or collapses when a load is applied.

상기 1차 준설점성토층(1)의 깊이는 지역에 따라 얕게는 5m 정도이고 깊게는 30m 정도이나 1차 준설점성토층(1)의 깊이는 한정되는 것이 아니다. 그러나 2차 준설점성토층(2)의 두께는 통상 2m∼3m가 바람직하다.The depth of the first dredging viscous soil layer 1 is about 5m and the depth of about 30m in depth depending on the region, but the depth of the first dredging viscous soil layer 1 is not limited. However, the thickness of the secondary dredging viscous soil layer 2 is preferably 2 m to 3 m.

유공배수관(6a)의 상·하로 층접 시공 설치되어 수평배수층(6)을 형성하는 상·하부 토목섬유부직포(3)(3a)는 질기고 환경친화력이 양호한 토목섬유부직포로서 진공탈수시에 배수작용이 원활하며, 탈수가 완료된 후에는 흙(1차 및 2차 준설점성토) 속에 매설되어 보강역할을 함으로서 지반의 지지력을 크게 증진시킨다.The upper and lower geotextile nonwoven fabrics (3) (3a), which are installed on the upper and lower layers of the perforated drainage pipe (6a) to form a horizontal drainage layer (6), are tough and environmentally friendly. This is smooth and after dehydration is completed, it is buried in soil (primary and secondary dredging clay) to greatly enhance the bearing capacity of the ground.

이와같은 본 발명은 해안이나 강변 및 저습지 등의 적정지역을 개량하기 위하여 선정된 지역에 제방(4)을 축조하여 설치한 준설토투기장(4a)의 내부에 1차 준설점성토층(1)을 형성하며, 1차 준설점성토층(1)의 표면부에 하부 토목섬유부직포 (3a)를 포설하는 작업과 병행하여 유공배수관(6a)과 상부 토목섬유부직포(3)를 포설함으로서 유공배수관(6a)의 상·하부로 상·하부 토목섬유부직포(3)(3a)가 층접 시공 설치되는 구조의 수평배수층(6)이 형성되도록 함과 동시에 수평배수층(6)의 상부에 2차 준설점성토층(2)이 형성되도록 시공 설치함으로서 본 발명의 시공법에 의한 시공 작업이 완료된다.As described above, the present invention forms a primary dredging clay layer 1 inside the dredged soil dumping site 4a installed by constructing the embankment 4 in the selected area in order to improve an appropriate area such as a coast, a riverside or a low wetland. In addition to laying the lower geosynthetic nonwoven fabric 3a on the surface of the first dredging viscous soil layer 1, the perforated drainage pipe 6a and the upper geosynthetic nonwoven fabric 3 are installed to provide an upper portion of the perforated drainage pipe 6a. The secondary dredging clay layer (2) is formed on the upper part of the horizontal drainage layer (6) while forming a horizontal drainage layer (6) having a structure in which upper and lower geotextile nonwoven fabrics (3) and (3a) are installed on the bottom. The construction work by the construction method of this invention is completed by installing so that construction may be carried out.

사용시에는 진공펌프(5)를 가동시키므로서 1차 및 2차 준설점성토층(1)(2)에함유된 수분(물)이 수평배수층(6)에 의하여 원활하게 배수되어 탈수효과를 증진하여 신속한 탈수작용으로 점성토준설매립지반의 지지력을 증진하게 되어 수직배수드레인(도시생략)을 포설하는 등의 심층지반개량을 위한 장비의 주행성 (trafficability)을 안전하게 확보할 수 있다.In use, by operating the vacuum pump 5, the water (water) contained in the primary and secondary dredging viscous soil layers (1) and (2) is smoothly drained by the horizontal drainage layer (6), thereby improving the dehydration effect and promptly. Dehydration enhances the support capacity of viscous dredged landfills and secures the trafficability of equipment for deep soil improvement such as laying vertical drainage drainage (not shown).

이와 같이 된 본 발명은 1차 준설점성토층의 표면부에 연속된 상·하부 토목섬유부직포로서 진공펌프와 연결되는 유공배수관의 상·하부를 층접하여 포설함으로서 수평배수층을 형성함과 동시에 2차 준설점성토층을 형성하는 시공 설치작업을 병행하여 일련의 작업으로 완료함으로서 작업이 간편하고 용이하며, 배수기능을 원할하게 발휘하여 탈수효과를 증진시키므로서 신속한 탈수작용으로 점성토준설매립지반의 지지력을 증진하게 되어 수직배수드레인을 포설하는 등의 심층지반 개량을 위한 장비의 주행성을 안전하게 확보할 수 있으며, 탈수가 완료된 후에는 질기고 환경친화력이 양호한 상·하부 토목섬유부직포로 시공설치된 구조의 수평배수층이 흙속에 매설되어 보강역할을 함으로서 지반의 지지력을 증진시키게 되므로 준설토매립지반의 표층으로 하중이 가하여질 경우에도 도 6 에서 도시한 바와같이 지반이 침하되거나 붕괴되는 상태가 되는 일이 없으므로 도 5 에서 도시한 바와같이 지반이 항상 고르고 나란한 상태를 유지하는 것이며, 토목섬유부직포 등의 재료구입이 용이하여 재료구입비용이 적으므로 경제성을 향상시킬 수 있는 이점이 있다.The present invention thus obtained is a top and bottom geotextile nonwoven fabric which is continuous to the surface portion of the first dredging viscous soil layer to form a horizontal drainage layer by layering the upper and lower portions of the perforated drainage pipe connected to the vacuum pump at the same time and the second dredging By completing the installation work in parallel to form the viscous soil layer, the work is simple and easy, and the drainage function can be smoothly displayed to enhance the dehydration effect, and the dehydration effect is promoted by the rapid dewatering action. It is possible to secure the runability of the equipment for deep ground improvement such as laying vertical drainage drainage. After dehydration is completed, the horizontal drainage layer of the structure which is constructed of durable and environmentally friendly top and bottom geotextile nonwoven fabric is installed in the soil. As it is buried and reinforcement, it enhances the bearing capacity of the ground. Even when a load is applied to the surface layer, the ground does not settle or collapse as shown in FIG. 6, so that the ground is always even and parallel as shown in FIG. 5, such as geotextile nonwoven fabrics. Since the material purchase cost is easy because the material purchase is easy, there is an advantage to improve the economics.

Claims (4)

1차 준설점토층(1)의 표면부에 하부 토목섬유부직포(3a)를 포설하는 작업과 병행하여 유공배수관(6a)과 상부 토목섬유부직포(3)를 포설하여 유공배수관(6a)의 상·하부로 상·하부 토목섬유부직포(3)(3a)를 층접하는 구조의 수평배수층(6)이 형성되도록 시공설치함과 동시에 수평배수층(6)의 상부에 2차 준설점성토층(2)이 형성되도록 시공함으로써, 상기 1차 및 2차 준설점성토층(1)(2)의 사이로 수평배수층(6)이 준설매립되면서 상·하부 토목섬유부직포(3)(3a)가 유공배수관(6a)의 상·하로 층접되어 매립되는 수평배수층(6)이 형성되도록 시공함을 특징으로 한 부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리시공법.In parallel with the operation of laying the lower geotextile nonwoven fabric 3a on the surface of the primary dredging clay layer 1, the perforated drainage pipe 6a and the upper geotextile nonwoven fabric 3 are installed to upper and lower portions of the perforated drainage pipe 6a. In order to form a horizontal drainage layer 6 having a structure in which the upper and lower geotextile nonwoven fabrics 3 and 3a are laminated, the secondary dredging clay layer 2 is formed on the horizontal drainage layer 6. By the construction, the horizontal and drainage layers 6 are dredged between the primary and secondary dredging viscous soil layers 1 and 2, and the upper and lower geotextile nonwoven fabrics 3 and 3a are formed on top and bottom of the perforated drain pipe 6a. A method of surface treatment of a viscous dredged landfill site by vacuum dewatering using a nonwoven fabric characterized in that it is constructed so that a horizontal drainage layer (6) buried in layers is formed. 제 1 항에 있어서,The method of claim 1, 수평배수층(6)을 형성함에 있어서 1차 준설점성토층(1)의 표면부에 하부 토목섬유부직포(3a)가 유공배수관(6a)의 하부로만 매립되도록 함을 특징으로 한 부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리시공법.In forming the horizontal drainage layer 6, the lower geotextile nonwoven fabric 3a is buried only in the lower portion of the perforated drainage pipe 6a in the surface portion of the primary dredging viscous soil layer 1 in vacuum dewatering using the nonwoven fabric. Surface treatment method of viscous dredged landfill soil by 1차 준설점토층(1)의 표면부에 하부 토목섬유부직포(3a)를 포설하는 작업과 병행하여 유공배수관(6a)과 상부 토목섬유부직포(3)를 포설하여 유공배수관(6a)의상·하부로 상·하부 토목섬유부직포(3)(3a)를 층접하는 구조의 수평배수층(6)이 형성되도록 시공설치함과 동시에 수평배수층(6)의 상부에 2차 준설점성토층(2)이 형성되도록 시공함으로써, 상기 1차 및 2차 준설점성토층(1)(2)의 사이로 수평배수층(6)이 준설매립되면서 상·하부 토목섬유부직포(3)(3a)가 유공배수관(6a)의 상·하로 층접되어 매립되는 수평배수층(6)을 형성함을 특징으로 한 부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리구조.In addition to laying the lower geotextile nonwoven fabric 3a on the surface of the primary dredging clay layer 1, the perforated drainage pipe 6a and the upper geotextile nonwoven fabric 3 are installed to the upper and lower portions of the perforated drainage pipe 6a. Constructed so that the horizontal drainage layer 6 having a structure contacting the upper and lower geotextile nonwoven fabrics 3 and 3a is formed, and at the same time, the secondary dredging clay layer 2 is formed on the horizontal drainage layer 6. As a result, the horizontal and drainage layers 6 are dredged between the primary and secondary dredging viscous soil layers 1 and 2, and the upper and lower geotextile nonwoven fabrics 3 and 3a are moved up and down the perforated drain pipe 6a. A surface treatment structure of a viscous dredged landfill ground by vacuum dehydration using a nonwoven fabric, characterized by forming a horizontal drainage layer (6) which is layered and buried. 제 3 항에 있어서,The method of claim 3, wherein 수평배수층(6)을 형성함에 있어서 1차 준설점성토층(1)의 표면부에 하부 토목섬유부직포(3a)가 유공배수관(6a)의 하부로만 매립되도록 함을 특징으로 한 부직포를 이용한 진공탈수에 의한 점성토준설매립지반의 표층처리구조.In forming the horizontal drainage layer 6, the lower geotextile nonwoven fabric 3a is buried only in the lower portion of the perforated drainage pipe 6a in the surface portion of the primary dredging viscous soil layer 1 in vacuum dewatering using the nonwoven fabric. Surface Treatment Structure of Cohesive Soil Dredged Soil.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100870465B1 (en) * 2007-02-12 2008-11-25 장지건 Preloading method by controlling of buoyancy
CN101831898A (en) * 2010-04-19 2010-09-15 中交天津港湾工程研究院有限公司 Horizontal shallow layer negative-pressure consolidation working cushion layer technique
CN112459043A (en) * 2020-12-10 2021-03-09 中铁四局集团第一工程有限公司 Three-dimensional disturbance type vacuum preloading foundation treatment system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752402A (en) * 1982-05-26 1988-06-21 Phillips Petroleum Company Settling pond separation using permeable fabric and weighting
JPS58222209A (en) * 1982-06-16 1983-12-23 Shimizu Constr Co Ltd Reinforcing work for reclamated ground
JPH04293813A (en) * 1991-03-20 1992-10-19 Penta Ocean Constr Co Ltd Soft ground improving method
JP3543280B2 (en) * 1995-04-03 2004-07-14 大成建設株式会社 How to improve soft undersea ground
JPH09242046A (en) * 1996-03-06 1997-09-16 Pub Works Res Inst Ministry Of Constr Reclamation construction method of the sea by soft earth and sand
KR100195690B1 (en) * 1996-09-16 1999-06-15 유영을 Quick consolidated method of a reclaimed land-using pipe drain system
JPH10183594A (en) * 1996-12-27 1998-07-14 Fujita Corp Consolidation accelerating method in reclaiming fill-up ground
KR100264627B1 (en) * 1998-04-20 2000-09-01 임철웅 Construction method and apparatus for dehydrating soft ground by using drain with fiber
KR100261407B1 (en) * 1998-06-08 2000-07-01 임철웅 A vacuum pressure tighening and dehydration quickening construction work method for the ground to discharge dredge soil using the hollow board drain with the non-woven cloth attached and the goods
KR100310728B1 (en) * 1999-06-05 2001-10-17 임철웅 Early reforming construction work method of tender base for dredge soil using a vaccum pressure load and floating mat slab thereof
KR200194458Y1 (en) * 2000-01-31 2000-09-01 송기현 The structure improved outer layer of tender base for improveing constrution of the dredged soil tender base
KR200188118Y1 (en) * 2000-02-08 2000-07-15 주식회사한국 종합엔지니어링 Vaccum consolidation with multi-layer lateral drain installed in process of reclamation clay fill
KR200188225Y1 (en) * 2000-02-08 2000-07-15 주식회사한국 종합엔지니어링 Air tube dike to make water reservoir instead of soil fill for surcharge load to use soil improvement of cohesion soil
KR100390285B1 (en) * 2000-04-07 2003-07-10 임철웅 The dehydration apparatus using round-flat combined drain for soft ground and the process thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100870465B1 (en) * 2007-02-12 2008-11-25 장지건 Preloading method by controlling of buoyancy
CN101831898A (en) * 2010-04-19 2010-09-15 中交天津港湾工程研究院有限公司 Horizontal shallow layer negative-pressure consolidation working cushion layer technique
CN112459043A (en) * 2020-12-10 2021-03-09 中铁四局集团第一工程有限公司 Three-dimensional disturbance type vacuum preloading foundation treatment system

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