JPH06240670A - Method and device for pulling pile - Google Patents

Method and device for pulling pile

Info

Publication number
JPH06240670A
JPH06240670A JP3176193A JP3176193A JPH06240670A JP H06240670 A JPH06240670 A JP H06240670A JP 3176193 A JP3176193 A JP 3176193A JP 3176193 A JP3176193 A JP 3176193A JP H06240670 A JPH06240670 A JP H06240670A
Authority
JP
Japan
Prior art keywords
pile
shaped
existing
earth
pipe
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP3176193A
Other languages
Japanese (ja)
Other versions
JP2820247B2 (en
Inventor
Yuichi Yoshino
雄一 芳野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
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 Kajima Corp filed Critical Kajima Corp
Priority to JP5031761A priority Critical patent/JP2820247B2/en
Publication of JPH06240670A publication Critical patent/JPH06240670A/en
Application granted granted Critical
Publication of JP2820247B2 publication Critical patent/JP2820247B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

PURPOSE:To facilitate pulling work by approaching a steel pipe sheet pile to drive a U-shaped pile with a vibro-hammer, giving vibration to the steel pipe sheet pile, at the same time, injecting jet water to break earth to lift, and extracting the steel pipe sheet pile. CONSTITUTION:A pile head of a pile 1 with an opened one side and having a water jet pipe 2 and an earth moving pipe 3 inside the pile 1 with a C-shaped or a U-shaped section is in a chucking with a vibro-hammer 10 and is driven to the open side toward the existing pile 13 and in the vicinity thereof. Then, vibration is given to the pile 1 from the vibro-hammer 10, a high-pressure water pump 11 is connected to the water jet pipe 2 through a pipe elbow to inject jet water W, earth is broken by vibration and jet water W, and earth is lifted from the earth moving pipe 3. After that, earth in an area A surrounded by piles 1A, 1B and existing pile 14 is lifted, and the area A is excavated. The existing pile 14 or the steel pipe sheet pile 13 is pulled out by a crane, etc., and is removed. According to the constitution, the pile 14 such as the steel pipe sheet pile 13, etc., can be easily pulled out and removed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、仮設杭等の杭を引抜き
撤去する杭引抜き方法及び装置に関し、特に鋼管矢板の
ようにジャンクションで連続されている杭の引抜き撤去
に実施して好適な杭引抜き方法及び装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for pulling out and removing piles such as temporary piles, and particularly suitable for pulling and removing piles which are continuous at a junction such as a steel pipe sheet pile. The present invention relates to a drawing method and device.

【0002】[0002]

【従来の技術】従来は、引抜きジャッキ、バイブロハン
マー、大型クレーン等で仮設杭等の杭の引抜き撤去が行
われていた。
2. Description of the Related Art Conventionally, a pile such as a temporary pile has been pulled out and removed by a pulling jack, a vibro hammer, a large crane or the like.

【0003】しかし根入れの深いもの等は引抜きが困難
になり、杭の周りを掘り、抵抗を少なくして引抜いてい
た。しかし鋼管矢板の場合はジャンクションで連続して
いるため壁状に掘削することになり、困難を伴うもので
ある。また、上から削孔機やウォータージェット等で周
りを緩める方法もあるが杭に沿って削孔するのは困難で
ある。
However, it is difficult to pull out deep-rooted ones, and the piles are dug around to reduce resistance. However, in the case of a steel pipe sheet pile, since it is continuous at a junction, it is necessary to excavate in the shape of a wall, which is difficult. There is also a method of loosening the circumference from above by using a boring machine or a water jet, but it is difficult to boring along a pile.

【0004】[0004]

【発明が解決しようとする課題】したがって、本発明
は、根入れの深いもの等であって引抜きが困難であり、
杭の周りを掘り、抵抗を少なくして引抜くものであり、
しかも鋼管矢板のようにジャンクションで連続している
ものであっても、引抜こうとする既設杭に近接して壁状
に掘削することができ、その後、杭をクレーン等により
容易に引抜き撤去できる杭引抜き方法及び装置を提供す
ることを目的としてなされたものである。
Therefore, according to the present invention, it is difficult to pull out because it is deeply embedded and the like.
It is a method of digging around the stake to reduce resistance and pulling it out.
Moreover, even if it is continuous at the junction like a steel pipe sheet pile, it can be excavated in a wall shape close to the existing pile to be pulled out, and then the pile can be easily pulled out and removed by a crane or the like. The purpose of the present invention is to provide a drawing method and device.

【0005】[0005]

【課題を解決するための手段】前記目的を達成するため
に、本発明は方法としては、片面が開放し内側に内側に
ウォータジェット管と排土管を設けた断面C字型ないし
はコ字型の杭を、その開放側を既設杭に向け、かつ既設
杭に近接させてバイブロハンマーでチャッキングしなが
ら打込み、バイブロハンマーによる振動とウォータジェ
ット管からのジェット水により土砂を崩し排土管から揚
土して、前記C字型ないしはコ字型の杭と既設杭とで囲
まれた区域を掘削し、次いで、既設杭を引抜き撤去す
る。
In order to achieve the above-mentioned object, the present invention provides a method of a C-shaped or U-shaped cross section having one side open and a water jet pipe and an earth-discharging pipe provided inside. The pile is driven with the open side facing the existing pile and close to the existing pile while chucking with a vibro hammer, and the soil is destroyed by the vibration from the vibro hammer and the jet water from the water jet pipe, and the pile is discharged from the discharge pipe. Then, the area surrounded by the C-shaped or U-shaped pile and the existing pile is excavated, and then the existing pile is pulled out and removed.

【0006】又本発明の装置によれば、片面が開放し内
側にウォータジェット管と排土管を設けた断面C字型な
いしはコ字型の杭と、杭をチャッキングしながら杭に振
動を与えて打込むバイブロハンマーと、高圧水を供給す
るポンプとからなっている。
Further, according to the apparatus of the present invention, a pile having a C-shaped or U-shaped cross-section, one side of which is open and a water jet pipe and a drain pipe are provided inside, and vibration is applied to the pile while chucking the pile. It consists of a vibro hammer that is driven in and a pump that supplies high-pressure water.

【0007】[0007]

【作用】前記杭をその開放側を既設杭に向け、かつ既設
杭に近接させてバイブロハンマーでチャッキングしなが
ら打込み、バイブロハンマーによる振動とウォータジェ
ット管からのジェット水により土砂を崩し、排土管から
揚土して、前記C字型ないしコ字型杭と既設杭とで囲ま
れた区域を掘削する。その時、C字型ないしコ字型杭内
は周りに対し負圧となり、C字型ないしコ字型杭は既設
杭に押付けられようとする。これにより既設杭により近
接した掘削が可能になる。次いで、既設杭をクレーン等
により引抜き撤去する。
[Function] The pile is driven with its open side facing the existing pile and close to the existing pile while being chucked with a vibro hammer, and the earth and sand are destroyed by the vibration of the vibro hammer and the jet water from the water jet pipe, and the drain pipe And excavate the area surrounded by the C-shaped or U-shaped pile and the existing pile. At that time, a negative pressure is applied to the inside of the C-shaped or U-shaped pile, and the C-shaped or U-shaped pile tends to be pressed against the existing pile. This enables excavation closer to the existing piles. Next, the existing pile is pulled out and removed by a crane.

【0008】[0008]

【実施例】図2及び図3に杭引抜き装置を構成する杭を
示し、杭1は片面が開放した断面コ字型のもの1Aない
し断面C字型のもの1B(図5)であり、内側にウォー
タジェット管2と排土管3とが設けられている。図示の
例では管支持板4により1本のウォータジェット管2と
2本の排土管3が取付けられている。杭1の開放側先端
にはゴム材等よりなるシール部材5が取付けられてい
る。その他図2及び図3において、6は管支持板4を杭
1に取付けているボルト、7は杭1を連結するジョイン
トプレート、8はウォータージェット管2及び排土管3
を連結するジョイントパイプである。
EXAMPLE FIG. 2 and FIG. 3 show piles which constitute a pile extracting device, and the pile 1 is a U-shaped cross section 1A having one side open or a C-shaped cross section 1B (FIG. 5). A water jet pipe 2 and a soil discharge pipe 3 are provided in the. In the illustrated example, one water jet pipe 2 and two soil discharge pipes 3 are attached by a pipe support plate 4. A seal member 5 made of a rubber material or the like is attached to the open end of the pile 1. Others In FIGS. 2 and 3, 6 is a bolt for attaching the pipe support plate 4 to the pile 1, 7 is a joint plate for connecting the pile 1, 8 is a water jet pipe 2 and an earth discharging pipe 3
Is a joint pipe that connects the.

【0009】図1及び図5に、地中12に打込んだ鋼管
矢板13を示し、鋼管矢板13は鋼管14とそれを連結
しているジャンクション15とからなり、鋼管矢板13
すなわち既設杭を先に述べた図2及び図3で示すC字型
ないしはコ字型の杭1A、1Bを用いて引抜く態様を説
明する。
1 and 5 show a steel pipe sheet pile 13 driven into the ground 12, the steel pipe sheet pile 13 comprises a steel pipe 14 and a junction 15 connecting the steel pipe 14 and the steel pipe sheet pile 13.
That is, a mode in which the existing pile is pulled out by using the C-shaped or U-shaped piles 1A and 1B shown in FIGS. 2 and 3 described above will be described.

【0010】片面が開放し内側にウォータジェット管2
と排土管3を設けた断面C字型ないしはコ字型の杭1の
杭頭をバイブロハンマー10でチャッキングし、開方側
を既設杭13に向け、かつ既設杭13に近接させて打込
む。
One side is open and the water jet tube 2 is on the inside.
And the pile head of the C-shaped or U-shaped cross-section pile 1 provided with the soil discharge pipe 3 is chucked with the vibro hammer 10 so that the open side faces the existing pile 13 and is driven close to the existing pile 13. .

【0011】バイブロハンマー10により杭1に振動を
与え、またパイプエルボ9(図4)を介してウォータジ
ェット管2に高圧水ポンプ11を接続してウォータジェ
ット管2からジェット水Wを噴射し、振動とジェット水
Wにより土砂を崩し、排土管3から揚土Sしていく。こ
の時、供給ジェット水に比べ排土量を充分に大きくして
おく。
Vibration is applied to the pile 1 by the vibro hammer 10 and a high-pressure water pump 11 is connected to the water jet pipe 2 via the pipe elbow 9 (FIG. 4) to jet the jet water W from the water jet pipe 2 to cause vibration. And the sand is broken by the jet water W, and the earth is discharged from the discharge pipe 3. At this time, the amount of soil discharged is made sufficiently larger than the amount of jet water supplied.

【0012】土砂は図5において杭1A、1Bと既設杭
14とで囲まれた区域Aが揚土され、その区域Aが掘削
(削孔)される。この時、杭1A、1B内は周りに対し
負圧となり、外圧Pにより杭1A、1Bは既設杭14に
押付けられるようとする。これにより既設杭14により
近接した掘削が可能になる。
In the earth and sand, the area A surrounded by the piles 1A and 1B and the existing pile 14 in FIG. 5 is excavated, and the area A is excavated (drilled). At this time, the insides of the piles 1A and 1B have a negative pressure against the surroundings, and the piles 1A and 1B are pressed against the existing piles 14 by the external pressure P. This enables excavation closer to the existing pile 14.

【0013】次いで既設杭14すなわち鋼管矢板をクレ
ーン等により引抜き撤去する。
Next, the existing pile 14, that is, the steel pipe sheet pile is pulled out and removed by a crane or the like.

【0014】[0014]

【発明の効果】本発明は、片面が開放したC字型ないし
コ字型杭を、その開放側を既設杭に向け、かつ既設杭に
近接して打込み、振動とジェット水により土砂を崩し、
揚土して前記C字型ないしコ字型杭と既設杭とで囲まれ
た区域を掘削するものであるので、C字型ないしコ字型
杭内は周りに対し負圧となり、C字型ないしコ字型杭は
既設杭に押付けられようとし、既設杭により近接した掘
削が可能になる。これにより鋼管矢板のようにジャンク
シヨンで連続したものであっても、既設杭に近接して壁
状に掘削することができ、掘削を終れば容易に引抜き撤
去することができる。
Industrial Applicability According to the present invention, a C-shaped or C-shaped pile having one open side is driven with its open side facing the existing pile and close to the existing pile, and the sand is destroyed by vibration and jet water.
Since it is to excavate and excavate the area surrounded by the C-shaped or C-shaped pile and the existing pile, a negative pressure is applied to the inside of the C-shaped or U-shaped pile, resulting in a C-shaped structure. Or, the U-shaped pile tends to be pressed against the existing pile, and the excavation closer to the existing pile becomes possible. As a result, even if the steel pipe sheet pile is continuous with the junction, it can be excavated in a wall shape close to the existing pile, and can be easily pulled out and removed after the excavation is completed.

【図面の簡単な説明】[Brief description of drawings]

【図1】鋼管矢板を引抜くのに本発明を実施した斜視
図。
FIG. 1 is a perspective view in which the present invention is applied to pull out a steel pipe sheet pile.

【図2】杭引抜き装置を構成するC字型ないしコ字型杭
の正面図。
FIG. 2 is a front view of a C-shaped or U-shaped pile that constitutes the pile pulling device.

【図3】図2の平面図。FIG. 3 is a plan view of FIG.

【図4】図3の杭をバイブロハンマーでチャッキングし
ている状態を示す正面図。
FIG. 4 is a front view showing a state where the pile of FIG. 3 is chucked by a vibro hammer.

【図5】鋼管矢板と杭との関係を示す拡大平面図。FIG. 5 is an enlarged plan view showing the relationship between the steel pipe sheet pile and the pile.

【符号の説明】[Explanation of symbols]

1・・・C字型ないしコ字型杭 2・・・ウォータジェット管 3・・・排土管 4・・・管支持板 5・・・シール部材 6・・・ボルト 7・・・ジョイントプレート 8・・・ジョイントパイプ 9・・・パイプエルボ 10・・・バイブロハンマー 11・・・ポンプ 12・・・地中 13・・・鋼管矢板 14・・・鋼管 15・・・ジャンクション DESCRIPTION OF SYMBOLS 1 ... C-shaped or C-shaped pile 2 ... Water jet pipe 3 ... Soil discharge pipe 4 ... Pipe support plate 5 ... Seal member 6 ... Bolt 7 ... Joint plate 8 ... Joint pipe 9 ... Pipe elbow 10 ... Vibro hammer 11 ... Pump 12 ... Underground 13 ... Steel pipe sheet pile 14 ... Steel pipe 15 ... Junction

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 片面が開放し内側にウォータジェット管
と排土管を設けた断面C字型ないしはコ字型の杭を、そ
の開放側を既設杭に向け、かつ既設杭に近接させてバイ
ブロハンマーでチャッキングしながら打込み、バイブロ
ハンマーによる振動とウォータジェット管からのジェッ
ト水により土砂を崩し排土管から揚土して、前記C字型
ないしはコ字型の杭と既設杭とで囲まれた区域を掘削
し、次いで、既設杭を引抜き撤去することを特徴とする
杭引抜き方法。
1. A vibro hammer in which a C-shaped or U-shaped cross-section pile, one side of which is open and a water jet pipe and a drainage pipe are provided inside, has its open side facing the existing pile and is close to the existing pile. The area surrounded by the C-shaped or U-shaped piles and the existing piles is driven by the vibration by the vibro hammer and the jet water from the water jet pipes to break the earth and sand, A method of extracting a pile, characterized by excavating a pile and then removing the existing pile.
【請求項2】 片面が開放し内側にウォータジェット管
と排土管を設けた断面C字型ないしはコ字型の杭と、杭
をチャッキングしながら杭に振動を与えて打込むバイブ
ロハンマーと、高圧水を供給するポンプとからなること
を特徴とする杭引抜き装置。
2. A pile having a C-shaped or U-shaped cross-section, one side of which is open and a water jet pipe and a drainage pipe are provided on the inside, and a vibro hammer that is driven while vibrating the pile while chucking the pile. A pile extracting device comprising a pump for supplying high-pressure water.
JP5031761A 1993-02-22 1993-02-22 Pile pull-out method and device Expired - Fee Related JP2820247B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5031761A JP2820247B2 (en) 1993-02-22 1993-02-22 Pile pull-out method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5031761A JP2820247B2 (en) 1993-02-22 1993-02-22 Pile pull-out method and device

Publications (2)

Publication Number Publication Date
JPH06240670A true JPH06240670A (en) 1994-08-30
JP2820247B2 JP2820247B2 (en) 1998-11-05

Family

ID=12340019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5031761A Expired - Fee Related JP2820247B2 (en) 1993-02-22 1993-02-22 Pile pull-out method and device

Country Status (1)

Country Link
JP (1) JP2820247B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100834920B1 (en) * 2007-02-15 2008-06-03 남현 Sheathing of tapetum sheet and construction method to use the above sheet
WO2010032485A1 (en) * 2008-09-18 2010-03-25 新日本製鐵株式会社 Steel pipe pile, joint structure of steel pipe sheet pile, and wall structure and method for drawing steel pipe sheet pile
CN105002875A (en) * 2015-08-07 2015-10-28 江苏蓝潮海洋风电工程建设有限公司 High-pressure flushing device for offshore platform pile leg
WO2020211065A1 (en) * 2019-04-19 2020-10-22 江苏亨通蓝德海洋工程有限公司 Offshore platform pile leg high-pressure flushing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922851A (en) * 1982-07-26 1984-02-06 Fuji Xerox Co Ltd Paper sheet assorting apparatus for copying machine
JPH0416619A (en) * 1990-05-10 1992-01-21 Shimizu Corp Edge cutting device and holding device, and respective uses for edge cutting method and pile drawing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922851A (en) * 1982-07-26 1984-02-06 Fuji Xerox Co Ltd Paper sheet assorting apparatus for copying machine
JPH0416619A (en) * 1990-05-10 1992-01-21 Shimizu Corp Edge cutting device and holding device, and respective uses for edge cutting method and pile drawing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100834920B1 (en) * 2007-02-15 2008-06-03 남현 Sheathing of tapetum sheet and construction method to use the above sheet
WO2010032485A1 (en) * 2008-09-18 2010-03-25 新日本製鐵株式会社 Steel pipe pile, joint structure of steel pipe sheet pile, and wall structure and method for drawing steel pipe sheet pile
JP4719315B2 (en) * 2008-09-18 2011-07-06 新日本製鐵株式会社 Steel pipe sheet pile, steel pipe sheet pile joint structure, wall structure, and steel pipe sheet pile drawing method
CN105002875A (en) * 2015-08-07 2015-10-28 江苏蓝潮海洋风电工程建设有限公司 High-pressure flushing device for offshore platform pile leg
WO2020211065A1 (en) * 2019-04-19 2020-10-22 江苏亨通蓝德海洋工程有限公司 Offshore platform pile leg high-pressure flushing apparatus

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Publication number Publication date
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