KR100463802B1 - Pleated sand pile and construction method thereof - Google Patents

Pleated sand pile and construction method thereof Download PDF

Info

Publication number
KR100463802B1
KR100463802B1 KR10-2001-0033053A KR20010033053A KR100463802B1 KR 100463802 B1 KR100463802 B1 KR 100463802B1 KR 20010033053 A KR20010033053 A KR 20010033053A KR 100463802 B1 KR100463802 B1 KR 100463802B1
Authority
KR
South Korea
Prior art keywords
corrugated pipe
sand
ground
sand pile
soft ground
Prior art date
Application number
KR10-2001-0033053A
Other languages
Korean (ko)
Other versions
KR20010079082A (en
Inventor
김동민
Original Assignee
주식회사 한국종합기술개발공사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 한국종합기술개발공사 filed Critical 주식회사 한국종합기술개발공사
Priority to KR10-2001-0033053A priority Critical patent/KR100463802B1/en
Publication of KR20010079082A publication Critical patent/KR20010079082A/en
Application granted granted Critical
Publication of KR100463802B1 publication Critical patent/KR100463802B1/en

Links

Classifications

    • 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
    • E02D3/106—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by forming sand drains containing only loose aggregates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details

Landscapes

  • 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

본 발명은 포화점토지반인 연약지반(1)을 개량하기 위하여 제안된 유공연성 주름관을 이용한 모래말뚝에 관한 것으로 유공연성 주름관(3)을 필터몸체(6)로 하여 그 내부에 투수성이 양호한 모래(11)나 쇄석 인공폐수지 조각(알맹이) 인공폐파이어 조각등을 투입재로 하여 투입하여 채워 주므로서 형성되는 구조의 유공연성 주름관형 모래말뚝(12)을 연약지반(1)의 지중에 수직드레인이 되도록 박아 설치시에 필터 역할을 하는 유공연성 주름관(3)에 의하여 모래말뚝의 필터몸체(6)가 되는 구조의 유공연성 주름관형 모래말뚝(12)을 깊이로 굴곡되는 병목형상이 되거나 끊어지는 일이 없이 수직 상태로 시공설치하여 모래와 모래사이의 마찰각에 의한 지반강도의 증가와 필터몸체(6)가 되는 유공연성 주름관(3)에 의해 배수 및 보강재역할을 하여 지반활동에 대한 전단 저항력을 증가시키며, 탈수효과와 연약지반(1)의 치환 및 보강토 효과로서 지반의 강도를 증강시켜 연약지반(1)의 개량중에도 지반활동에 대한 안정을 유지할 수 있는 것임.The present invention relates to a sand pile using a non-combustible corrugated pipe proposed to improve the soft ground (1), which is saturated clay ground, and has a good water permeability in the interior thereof, using the non-combustible corrugated pipe (3) as a filter body (6). (11) or crushed stone waste (fragment) vertical drainage into the ground of the soft ground (1) of the ductile corrugated sand pile (12) of the structure formed by the input by filling the artificial waste fire pieces, etc. It becomes a bottleneck shape to be bent to the depth of the flexible pipe-like sand pile 12 of the structure to be the filter body 6 of the sand pile by the air-flexible corrugated pipe (3) acting as a filter at the time of installation It is installed vertically without any work to increase the ground strength due to the friction angle between sand and sand and act as a drainage and reinforcement by the ductile corrugated pipe (3) that becomes the filter body (6). It increases the shear resistance, while improving the dewatering effect with the soft ground (1) the soft ground (1) by increasing the strength of the soil as substituted and reinforced soil will effect of capable of maintaining the stability of the soil activity.

Description

유공연성 주름관을 이용한 유공연성 주름관형 모래말뚝의 시공법 및 유공연성 주름관형 모래말뚝{PLEATED SAND PILE AND CONSTRUCTION METHOD THEREOF}Construction of non-combustible corrugated pipe-type sand piles using non-combustible corrugated pipes and non-combustible corrugated pipe-type sand piles {PLEATED SAND PILE AND CONSTRUCTION METHOD THEREOF}

본 발명은 해안이나 강변, 늪지대 등의 포화점토로 이루어진 연약지반에 도로나, 하천제방, 창고 등의 주로 단층구조물을 구축함에 있어서, 연약지반의 탈수 및 지반의 강도를 증진시키기 위하여 사용되는 수직 드레인을 형성함에 있어서 유공연성 주름관의 내부에 모래나 자갈을 채워 시공 설치하므로서 지반 활동 파괴에 대한 안정을 유지하면서 탈수압밀 촉진작용을 원활하게 하며, 지반활동에 대한 전단저항력 증가와 지반의 강도를 증진시킬 수 있도록 제안된 유공연성 주름관을 이용한 모래말뚝에 관한 것이다.The present invention is a vertical drain used to improve the dehydration of the soft ground and the strength of the ground in the construction of mainly monolayer structures such as roads, river embankments, warehouses, etc. in soft ground composed of saturated clay such as coasts, riversides and swamps. By forming sand or gravel inside the non-combustible corrugated pipe in forming the structure, it promotes dehydration and consolidation while maintaining stability against destruction of soil activity, and increases shear resistance and soil strength against soil activity. The present invention relates to a sand pile using a permeable corrugated pipe proposed to be.

종래에 포화점토지반이 되는 연약지반을 개량하기 위하여 실시되고 있는 모래말뚝 공법이나 쇄석말뚝공법의 시공법에 있어서는 연약지반의 지중으로 적정깊이로 뚫어 설치된 수직 구멍으로 단순히 모래나 쇄석(자갈)을 투입하여 진동을 가하거나 고압공기의 공기압에 의하여 모래나 쇄석을 지중의 수직구멍으로 강재로 타입시켜 모래말뚝이나 쇄석말뚝이 형성되도록 하였다.In the sand pile method or the crushed pile method, which is conventionally performed to improve the soft ground which becomes a saturated clay ground, sand or crushed stone is simply injected into a vertical hole drilled at an appropriate depth into the ground of the soft ground. By applying vibration or pneumatic pressure of high pressure air, sand or crushed stone was formed into vertical holes in the ground to form sand piles or crushed stone piles.

이와같은 종래의 모래말뚝이나 쇄석말뚝에 있어서는 도 7에 도시한 바와같이 연약지반(1)의 지중으로 뚫어 설치한 수직구멍(1a)으로 모래를 타입하여 형성되는 모래말뚝(13)의 몸체형상이 연약지반(1)에 뚫어 설치한 수직구멍(1a)과 동일하게 형성되지 못하고 지중의 깊이로 굴곡 상태의 병목형상(13a)이 되거나 끊어지게 되어 간극수의 배수기능이 원활하지 못하여 연약지반(1)의 개량기간이 지연되는 결점 및 지반강도와 침하방지를 위한 탈수압 및 촉진효과를 얻을 수 없으므로 지반활동에 대한 안정을 기대할 수 없었다.In the conventional sand pile or crushed stone pile, as shown in FIG. 7, the body shape of the sand pile 13 formed by sand is formed as a vertical hole 1a drilled into the ground of the soft ground 1. It is not formed in the same way as the vertical hole 1a drilled into the soft ground 1 and becomes a bottleneck 13a in a curved state due to the depth of the ground, or it is broken, so that the drainage function of the gap water is not smooth. It was not possible to expect the stability of the ground activity because the deterioration of soil and the dehydration and acceleration effect for preventing the settlement could not be obtained.

본 발명은 종래의 제반 결점을 해소하기 위하여 연약지반의 개량을 위하여 수직 드레인으로 사용되는 유공연성 주름관의 내부에 모래말뚝을 형성하는 투수성이 양호한 모래나 쇄석(자갈)을 투입하여 유공연성 주름관이 모래말뚝의 필터몸체를 형성하는 구조의 유공연성 주름관형 모래말뚝이 되도록 형성하므로서 지반의 탈수 효과와 연약지반의 치환 및 보강토효과로 지반의 강도를 증진시킬 수 있도록 함에 목적이 있다.The present invention is to provide a permeable sand or crushed stone (gravel) to form a sand pile in the vertically ductile corrugated pipe which is used as a vertical drain for the improvement of the soft ground to solve the conventional defects, The purpose of the present invention is to improve the strength of the ground by forming the filter body of the sand pile to be a non-combustible corrugated tubular sand pile, and by dehydrating the ground and replacing and reinforcing soil of the soft ground.

도 1은 본 발명의 시공상태에서 유공연성 주름관형 모래말뚝의 일부를 절개하여 보인 사시도1 is a perspective view showing a portion of the ductile pleated tubular sand pile in the construction state of the present invention

도 2는 본 발명의 시공과정상태를 보인 단면도2 is a cross-sectional view showing a construction process state of the present invention

도 3은 도 2의 "A"부를 발췌한 확대도Figure 3 is an enlarged view taken from the "A" part of FIG.

도 4는 본 발명의 시공상태의 단면도4 is a cross-sectional view of a construction state of the present invention

도 5는 도 4의 "A"부를 발췌한 확대도FIG. 5 is an enlarged view of a portion “A” of FIG. 4;

도 6은 본 발명의 유공연성주름관형 모래말뚝의 일부를 절개하여보인 정면도Figure 6 is a front view showing a part of the perforated flexible pipe tubular sand pile of the present invention

도 7은 종래에 모래말뚝의 시공상태를 보인 단면도.Figure 7 is a cross-sectional view showing a construction state of the sand pile in the prior art.

***도면의 주요부분에 대한 부호의 설명****** Explanation of symbols for main parts of drawing ***

1 : 연약지반 1a : 수직구멍 2 : 배수층 3 : 유공연성 주름관DESCRIPTION OF SYMBOLS 1 Soft ground 1a Vertical hole 2 Drainage layer 3 Porosity flexible corrugated pipe

4 : 요입륜 4a : 배수구멍 5 : 돌출륜 6 : 필터몸DESCRIPTION OF SYMBOLS 4 Needle ring 4a Drainage hole 5 Protrusion ring 6 Filter body

6a : 필터 7 : 앵커플레이트 8 : 대판6a: filter 7: anchor plate 8: large plate

9 : 물림걸이 10 : 강관형 멘드렐 11 : 모래9: hook hanger 10: steel pipe mandrel 11: sand

12 : 유연성 주름관형 모래말뚝 13 : 모래말뚝 14 : 성토흙12: flexible corrugated sand pile 13: sand pile 14: fill soil

13a : 병목형상 15 : 수분(물) 16 : 배수로13a: Bottleneck 15: Water (Water) 16: Drainage

도 1은 본 발명의 유공연성 주름관형 모래말뚝(12)을 배수층(2)으로 층설된 포화점토지반인 연약지반(1)의 지중으로 수직드레인이 되도록 시공 설치하여 보인 사시도이고, 도 2내지 도 5는 본 발명의 시공과정상태 및 시공된 상태를 보인 단면도로서 둘레부에 배수구멍(4a)이 뚫린 요입륜(4)과 돌출륜(5)을 연속 반복하여 형성한 주름관체(3a)의 외부를 필터(6a)로 피복시킨 구조의 유공연성 주름관(3)과 대판(8)의 상면에 물림걸이(9)를 융착 고정시킨 앵커플레이트(7)와 시공장비인 강관형 멘드렐(10) 및 모래(11)나 쇄석(자갈)을 구비물로 하여 시공장소에서 시공장비에 의하여 시공하게 되는데, 시공장비인 강관형 멘드렐(10)을 시공장소의 시공부위에 설치한 상태에서 유공연성 주름관(3)의 하단부에 앵커플레이트(7)의 대판(8)이 접설되도록 물림걸이(9)를 유공연성 주름관(3)의 하단내부에 끼워 걸어 물림 시킨 상태의 유공연성 주름관(3)을 시공장비인 강관형 멘드렐(10)의 내부로 끼워 설치한다. 이와같은 상태는 강관형 멘드렐(10)의 하단부가 유공연성 주름관(3)의 하단 내부에서 물림걸이(9)에 의하여 걸어 물림되고 있는 앵커플레이트(7)의 대판(8)상면의 둘레부에 접설 고정된 상태로서 강관형 멘드렐(10)을 가압시켜 주므로서 강관형 멘드렐(10)이 유공연성 주름관(3)의 하단부에 끼워 걸어 물림된 앵커플레이트(7)의 대판(8)상면의 둘레부를 가압하게 되는 것이며, 이와 같이 강관형 멘드렐(10)을 가압하면서 유공연성 주름관(3)을 시공장소의 여건에 따라 연약지반(1)지중의 적정깊이 만큼 박아 넣어진 상태에서 강관형 멘드렐(10)만을 빼내 주므로서 유공연성 주름관(3)이 연약지반(1)의 지중에 박아 설치되게 된다. 이와 같이 유공연성 주름관(3)의 내부에 모래(11)나 쇄석(자갈)을 투입하므로서 유공연성 주름관(3)이 모래말뚝(13)의 필터몸체(6)가 되는 구조의 유공연성 주름관형 모래말뚝(12)으로서의 기능을 발휘할 수 있는 본 발명의 유공연성주름관형 모래말뚝(12)의 설치작업을 완료하며, 투수성이 양호한 모래(11) 등으로 적층시킨 배수층(2)의 상부로 시공장소의 여건에 따라 적정 두께의 성토흙(14)을 적층시키므로서 본 발명을 이용한 시공설치 작업이 완료되는 것이다. 도 6은 본 발명의 유공연성 주름관형 모래말뚝(12)의 일부를 절개하여 보인 정면도로서 둘레부에 내외로 통공된 수 개의 배수구멍(4a)을 뚫어 설치한 요입륜(4)과 돌출륜(5)을 연속 반복하여 형성시킨 주름관체(3a)의 외부를 필터(6a)로 피착시킨 구조의 유공연성 주름관(3)의 하단 내부에 물림걸이(9)를 끼워 걸어 물림 시켜 대판(8)의 상면이 상기 유공연성 주름관(3)의 하단부에 밀착되도록 앵커플레이트(7)를 고정 설치한 다음, 유공연성 주름관(3)의 내부에 모래(11)를 투입하여 채워주므로서 유공연성 주름관(3)이 유공연성 주름관(3)의 내부에 형성되는 모래말뚝(13)의 필터몸체(6)가 되도록 결합시킨 구성의 유공연성 주름관형 모래말뚝(12)을 도시하여 보인 것이다.1 is a perspective view showing the construction of the air-flexible corrugated pipe-shaped sand pile 12 of the present invention so as to be vertical drained into the ground of the soft ground (1), which is a saturated clay ground laid by the drainage layer (2), FIGS. 5 is a cross-sectional view showing the construction process state and the construction state of the present invention, the outer end of the corrugated tube body (3a) formed by successively repeating the concave wheel (4) and the protruding wheel (5) in which the drain hole (4a) is drilled in the circumference Anchor plate (7) fusion-fixed to the upper surface of the non-combustible corrugated pipe (3) and the base plate (8) of the structure coated with a filter (6a) and steel pipe-type mandrel (10) The sand (11) or the crushed stone (gravel) is provided by the construction equipment at the construction site, the construction equipment steel pipe type mandrel (10) is installed in the construction site of the construction site of the ductile corrugated pipe ( 3) To the lower end of the anchor plate (7) to the base plate (8) of the bit hook hanger (9) The installation into the corrugated pipe (3) perforated flexible corrugated pipe (3) in a state in which walking into engagement on the lower inside of the inside of the steel tube type construction equipment in men deurel 10. This state is in the periphery of the upper surface of the base plate 8 of the anchor plate (7) where the lower end of the steel pipe-type mandrel (10) is hooked by a hooking hook (9) inside the lower end of the flexible pipe (3) While the steel tube type mandrel 10 is pressed in the fixed state, the steel plate type mandrel 10 is fitted to the lower end of the flexible flexible corrugated pipe 3, and the upper surface of the base plate 8 of the anchor plate 7 which is bitten. In this way, while pressurizing the steel pipe-type mandrel 10, the steel-pipe-shaped men in the state in which the flexible pipe (3) is infiltrated by the appropriate depth of the soft ground (1) in accordance with the conditions of the factory factory By removing only the dreddle 10, the perforated flexible corrugated pipe 3 is installed in the ground of the soft ground (1). In this way, by inserting the sand (11) or crushed stone (gravel) into the inside of the air ductile corrugated pipe (3), the air ductile corrugated pipe (3) becomes a filter body 6 of the sand pile (13) Completed the installation work of the air-ductile pleated tubular sand pile 12 of the present invention which can exhibit the function as the pile 12, and is installed in the upper part of the drainage layer 2 laminated with sand 11 having good water permeability. Construction of the installation work using the present invention is completed by stacking the fill soil 14 of the appropriate thickness according to the conditions. FIG. 6 is a front view showing a portion of the non-ductile corrugated tubular sand pile 12 of the present invention, which is a concave inlet wheel 4 and a protruding wheel installed by drilling several drainage holes 4a through and around the perimeter. 5) the outside of the corrugated pipe body 3a formed by successive repetitions with the filter 6a, and the bite hook 9 is inserted into the lower end of the flexible flexible pipe tube 3 of the structure to which the base plate 8 The anchor plate 7 is fixedly installed so that the upper surface is in close contact with the lower end of the flexible flexible corrugated pipe 3, and then the sand 11 is filled into the hollow flexible corrugated pipe 3 to fill it. The air-ductile corrugated pipe-type sand pile 12 of the structure which couple | bonded so that it may become the filter body 6 of the sand pile 13 formed in the inside of this air-ductible corrugated pipe 3 is shown.

이와같은 본 발명은 포화점토지반인 연약지반(1)의 지중으로 수직 배수관기능의 모래말뚝(13)을 시공설치함에 있어서 유공연성 주름관(3)을 필터몸체(6)로 하여 그 내부에 모래(2)나 쇄석(자갈)을 투입하여 채워주므로서 필터역활을 하는 유공연성 주름관(3)에 의하여 모래말뚝의 필터몸체(6)가 되는 구조의 유공연성 주름관(3)에 의하여 모래말뚝(13)의 필터몸체(6)가 되는 구조의 유공연성 주름관형 모래말뚝(12)이 깊이로 굴곡 되는 병목형상(13a)이 되거나 끊어지는 일이 없이 수직상태의 유공연성 주름관형 모래말뚝(12)으로 시공설치 할 수 있다. 이 때 유공연성 주름관형 모래말뚝(12)을 시공 설치하기 위하여 유공연성 주름관(3)의 내부에 투입하는 투입재는 모래(11)나 자갈, 인공 쇄석, 인공 폐수지조각(알맹이), 인공폐타이어조각, 또한 이들을 투수성이 양호하도록 혼합하여 사용이 가능한 것이며, 또한 유공연성 주름관형 몰래말뚝(12)의 필터몸체(6)로서 직경이 300-500㎜의 유공연성 주름관(3)을 사용하므로서 지반강도의 증가 및 배수 효과를 동시에 발휘할 수 있었다.In the present invention, in the installation of the sand pile 13 having a vertical drainage pipe function in the ground of the soft ground 1, which is a saturated clay ground, the hollow flexible corrugated pipe 3 is used as the filter body 6, 2) sand pile (13) by the ductile pleated tube (3) of the structure to be the filter body of the sand pile by the ductile pleated tube (3) acting as a filter by filling the crushed stone (gravel) Constructed with vertically ductile corrugated tubular sand piles 12 of vertical structure without being broken or bottleneck 13a being bent to a depth of the structure of the ductile corrugated tubular sand piles 12 being a filter body 6 Can be installed At this time, the input material that is put into the non-combustible corrugated pipe (3) in order to install and install the non-combustible corrugated pipe-type sand pile (12) is sand (11), gravel, artificial crushed stone, artificial waste resin (grain), artificial waste tire. It is possible to mix and use these pieces to have a good water permeability, and to use the air-combustible corrugated pipe 3 having a diameter of 300-500 mm as the filter body 6 of the non-combustible corrugated pipe-type sneaking pile 12. The increase in strength and the drainage effect were simultaneously exhibited.

이와 같은 본 발명에 의하여 시공을 완료한 상태에서 대기압이나 특히 성토흙(14)의 성토압에 의해 연약지반(1)을 가압하여 연약지반(1)에 함유된 수분(물)(15)을 탈수시키면서 지반을 개량함에 있어서, 개량중에도 유공연성 주름관(3)에 의하여 항상 유공연성 주름관형 모래말뚝(12)이 동일 굵기를 유지하게 되므로 개량기간에 구애됨이 없이 연약지반(1)에 함유되어 있는 수분(물)(15)이 필터몸체(6)를 구성하는 필터(6a)에 흡습되어 요입륜(4)의 배수구멍(4a)을 통하여 모래말뚝(13)으로 유입되어 배수층(2)을 통하여 배수로(16)에 유출되는 탈수작용을 지속적으로 진행할 수 있다.According to the present invention, the soft ground 1 is pressurized by atmospheric pressure or in particular the fill pressure of the fill soil 14 to dehydrate the water (water) 15 contained in the soft ground 1. In improving the ground while improving, the non-combustible corrugated pipe-like sand pile 12 is always maintained in the same thickness by the air-flexible corrugated pipe 3 during the improvement, so that it is contained in the soft ground 1 without being bound by the improvement period. Moisture (water) 15 is absorbed by the filter 6a constituting the filter body 6 and flows into the sand pile 13 through the drain hole 4a of the concave wheel 4, through the drainage layer 2. Dehydration outflow to the drain 16 can proceed continuously.

이와같이 된 본 발명은 연약지반을 개량할 때 수직 드레인으로 사용되는 유공연성 주름관의 내부에 투수성이 양호한 모래 등의 투입재를 투입한 상태로 포화점토지반인 연약지반의 지중으로 심설하여 유공연성 주름관이 모래말뚝의 필터몸체가 되는 구조의 유공연성 주름관형 모래말뚝이 되도록 시공설치하므로서 시공시에 유공연성 주름관형 모래말뚝이 지중의 깊이로 굴곡상태의 병목형상이 되거나 끊어지는 일이 없이 수직으로 설치하여 모래와 모래사이의 내부 마찰각에 의한 지반강도의 증가와 필터몸체가 되는 유공연성 주름관에 의해 배수 및 보강재 역할을 하게 되므로 종래 공법에 비해 지반활동에 대한 전단저항력을 증가시킬 수 있으며, 탈수효과는 물론 연약지반의 치환 및 보강토 효과로서 지반의 강도를 증진시켜 연약지반의 개량기간 중에도 지반활동에 대한 안정을 유지할 수 있는 효과가 있는 것이다.When the soft ground is improved, the present invention has been introduced into the ground of the soft ground, which is saturated clay, in the state of inserting a good permeability sand or the like into the perforated flexible corrugated pipe used as a vertical drain. The construction is installed so that the airtight corrugated pipe-type sand pile has the structure to be the filter body of the sand pile, so that the airtight corrugated pipe-type sand pile is installed vertically without being bottled or broken in the depth of ground. It increases drainage and reinforcement due to the increase of ground strength due to the internal friction angle between sand and the ductile corrugated pipe that becomes the filter body. Therefore, it can increase shear resistance against ground activity compared to the conventional method. Improvement Period of Soft Ground by Enhancing the Strength of Soil as Substitution and Reinforcement Soil Effect In the meantime, it is effective to maintain stability of the ground activity.

Claims (2)

삭제delete 배수구멍(4a)이 뚫린 요입륜(4)과 돌출륜(5)이 연속 반복되어 형성되는 주름관체(3a)의 외부에 필터(6a)가 피착되어 형성되는 구조의 유공연성 주름관(3)과 대판(8)의 상면에 물림걸이(9)를 고정설치하여 유공연성 주름관(3)의 하단내부에 물림걸이(9)를 끼워 걸어 물림시켜 대판(8)의 상면이 유공연성 주름관(3)의 하단부에 밀착되도록 앵커플레이트(7)를 고정설치한 통상의 시공구조에 있어서 연약지반(1)의 내부에 수직드레인으로 설치하는 유공연성 주름관(3)의 내부에 투수성이 양호한 모래(11)를 투입하여 유공연성 주름관(3)이 모래말뚝(12)의 필터몸체(6)가 되도록 결합시킨 구성을 특징으로 한 유공연성 주름관을 이용한 모래말뚝.The flexible pipe tube 3 having a structure in which the filter 6a is formed on the outside of the corrugated pipe body 3a, in which the concave and convex rings 4 and the protruding wheels 5, through which the drainage holes 4a are drilled, are formed continuously and repeatedly. The upper surface of the base plate 8 is fixedly installed by fixing the biting hook 9 on the upper surface of the base plate 8 by inserting the biting hook 9 into the lower end of the non-combustible corrugated pipe 3. In a general construction structure in which the anchor plate 7 is fixed to the lower end portion, sand 11 having good water permeability is provided in the air-ductile corrugated pipe 3 installed in the vertical ground in the soft ground 1. Sand pile using a non-combustible corrugated pipe characterized in that the composition is coupled so that the air-duct flexible corrugated pipe (3) is the filter body 6 of the sand pile (12).
KR10-2001-0033053A 2001-06-12 2001-06-12 Pleated sand pile and construction method thereof KR100463802B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2001-0033053A KR100463802B1 (en) 2001-06-12 2001-06-12 Pleated sand pile and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0033053A KR100463802B1 (en) 2001-06-12 2001-06-12 Pleated sand pile and construction method thereof

Publications (2)

Publication Number Publication Date
KR20010079082A KR20010079082A (en) 2001-08-22
KR100463802B1 true KR100463802B1 (en) 2005-01-03

Family

ID=19710746

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2001-0033053A KR100463802B1 (en) 2001-06-12 2001-06-12 Pleated sand pile and construction method thereof

Country Status (1)

Country Link
KR (1) KR100463802B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100750282B1 (en) * 2006-03-14 2007-08-17 주식회사 현대인더스트리 Water pipe for increasing the ground subsidence using

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113186899B (en) * 2021-04-13 2024-06-21 中国电力工程顾问集团西南电力设计院有限公司 Seepage-proofing structure design method suitable for sedimentation difference of soft soil foundation ash field reservoir area
CN113463457B (en) * 2021-05-17 2022-06-14 衡阳公路桥梁建设有限公司 Roadbed structure for penetrating through slurry section and construction method thereof

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5592420A (en) * 1979-08-27 1980-07-12 Kensetsu Kikaku Consultant:Kk Soft ground improvement process
KR940019935A (en) * 1993-02-05 1994-09-15 임철웅 Dewatering Promotion Method of Viscous Soil Soft Ground Using Filtered Pleat Drain Pipe
JPH07279572A (en) * 1994-04-08 1995-10-27 Ohbayashi Corp Strainer pipe for drainage for deep well
KR19980021190A (en) * 1996-09-14 1998-06-25 임철웅 Vacuum Consolidation and Dehydration Acceleration Method for Soft Viscous Soils Using Circular Soft Corrugated Pipe and Overload
KR19990064427A (en) * 1999-01-01 1999-08-05 이재주 Drain a method of construction for un-derground inflow water
US5954451A (en) * 1995-09-11 1999-09-21 Presby; David W. Multi-layer material for processing septic efficient and waste water and method of using the same
KR19990073322A (en) * 1999-07-02 1999-10-05 임철웅 Structure for landing non-woven plate of lower part of vertical drain for filtering to prevent inflow of clayey soil
KR19990078935A (en) * 1999-08-21 1999-11-05 임철웅 A wrinkle drain for filtering to extend a section area of dehydration transfering
KR20000049545A (en) * 2000-04-07 2000-08-05 임철웅 The dehydration apparatus using round-flat combined drain for soft ground and the process thereof
KR200195289Y1 (en) * 2000-04-07 2000-09-01 임철웅 The structure of round-flat combined drain in dehydration method for soft ground
KR20000074504A (en) * 1999-05-21 2000-12-15 임철웅 A wrinkle drain for filtering to quicken dehydration of tender base without the non-woven cloth attached and the goods
KR20010035468A (en) * 2001-02-16 2001-05-07 송기현 Inflated drain and speed dewatering method of weak ground by using it
KR200230740Y1 (en) * 2001-02-15 2001-07-19 임철웅 Anchor plate for weak ground
KR200233308Y1 (en) * 2001-03-16 2001-10-08 우량건설 주식회사 Perforated spiral pipe for soft clay

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5592420A (en) * 1979-08-27 1980-07-12 Kensetsu Kikaku Consultant:Kk Soft ground improvement process
KR940019935A (en) * 1993-02-05 1994-09-15 임철웅 Dewatering Promotion Method of Viscous Soil Soft Ground Using Filtered Pleat Drain Pipe
JPH07279572A (en) * 1994-04-08 1995-10-27 Ohbayashi Corp Strainer pipe for drainage for deep well
US5954451A (en) * 1995-09-11 1999-09-21 Presby; David W. Multi-layer material for processing septic efficient and waste water and method of using the same
KR19980021190A (en) * 1996-09-14 1998-06-25 임철웅 Vacuum Consolidation and Dehydration Acceleration Method for Soft Viscous Soils Using Circular Soft Corrugated Pipe and Overload
KR19990064427A (en) * 1999-01-01 1999-08-05 이재주 Drain a method of construction for un-derground inflow water
KR20000074504A (en) * 1999-05-21 2000-12-15 임철웅 A wrinkle drain for filtering to quicken dehydration of tender base without the non-woven cloth attached and the goods
KR19990073322A (en) * 1999-07-02 1999-10-05 임철웅 Structure for landing non-woven plate of lower part of vertical drain for filtering to prevent inflow of clayey soil
KR19990078935A (en) * 1999-08-21 1999-11-05 임철웅 A wrinkle drain for filtering to extend a section area of dehydration transfering
KR20000049545A (en) * 2000-04-07 2000-08-05 임철웅 The dehydration apparatus using round-flat combined drain for soft ground and the process thereof
KR200195289Y1 (en) * 2000-04-07 2000-09-01 임철웅 The structure of round-flat combined drain in dehydration method for soft ground
KR200230740Y1 (en) * 2001-02-15 2001-07-19 임철웅 Anchor plate for weak ground
KR20010035468A (en) * 2001-02-16 2001-05-07 송기현 Inflated drain and speed dewatering method of weak ground by using it
KR200233308Y1 (en) * 2001-03-16 2001-10-08 우량건설 주식회사 Perforated spiral pipe for soft clay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100750282B1 (en) * 2006-03-14 2007-08-17 주식회사 현대인더스트리 Water pipe for increasing the ground subsidence using

Also Published As

Publication number Publication date
KR20010079082A (en) 2001-08-22

Similar Documents

Publication Publication Date Title
CN102433876B (en) Multi-compartment casing composite pile and construction method thereof
CN108442365B (en) Anti-blocking reinforced permeable pile and construction method
JP4123248B2 (en) Underwater foundation structure
CN104005404B (en) A kind of pile for prestressed pipe of outsourcing active material pile body and construction method
CN103993598B (en) One is drawn hole and is implanted cloth bag crushed stone grouting pile and construction method
CN111441374B (en) Quick plugging construction method for high-water-pressure deep foundation pit dewatering well
CN110939137A (en) Vibration drainage anchor rod supporting structure for sand soil layer and construction method thereof
CN105672307A (en) Expanded-base combination end pile bearing foundation
US6846130B2 (en) Method and apparatus for enhancement of prefabricated earth drains
CN108149682A (en) A kind of slip casting casing device and the pile foundation drilling construction method using the casing device
KR100463802B1 (en) Pleated sand pile and construction method thereof
CN207862925U (en) A kind of slip casting casing device
CN108842759B (en) Combined pile of prefabricated pipe pile and cast-in-place pile and construction process thereof
JPH09316874A (en) Support pile as measure against liquefaction
CN110670579A (en) Hoop pile for pile foundation engineering and foundation treatment and construction process thereof
RU2663420C1 (en) Pile in the punched well arrangement method (embodiments)
CN110424384A (en) A kind of major diameter prefabricated tubular pile and its construction method
CN105735252A (en) Perforated pipe no-fines pervious concrete pile and assembly structure and construction method thereof
JPH05125726A (en) Construction of pile with drain layer
CN203866821U (en) Lead hole implant cloth bag gravel grouting pile
CN212104106U (en) A vibration drainage stock supporting construction for sand type soil layer
CN107476293A (en) A kind of quick spreading structure of soft soil foundation bored concrete pile configures and its spreading method
KR200247036Y1 (en) Sand pile using corrugated perforate plastic pipe for improving weak land
JPH0459409B2 (en)
JPH05132930A (en) Developing method of foundation pile with drain layer

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
N231 Notification of change of applicant
FPAY Annual fee payment

Payment date: 20101213

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee