JP2001020270A - Ground vibration compaction method and equipment therefor - Google Patents

Ground vibration compaction method and equipment therefor

Info

Publication number
JP2001020270A
JP2001020270A JP11195316A JP19531699A JP2001020270A JP 2001020270 A JP2001020270 A JP 2001020270A JP 11195316 A JP11195316 A JP 11195316A JP 19531699 A JP19531699 A JP 19531699A JP 2001020270 A JP2001020270 A JP 2001020270A
Authority
JP
Japan
Prior art keywords
water
ground
vibrator
excess pore
absorption chamber
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.)
Pending
Application number
JP11195316A
Other languages
Japanese (ja)
Inventor
Hiroshi Ishii
石井  博
Osamu Hirabayashi
修 平林
Yukio Kizara
幸夫 木皿
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.)
Nitchitsu Co Ltd
Penta Ocean Construction Co Ltd
Original Assignee
Nitchitsu Co Ltd
Penta Ocean Construction Co Ltd
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 Nitchitsu Co Ltd, Penta Ocean Construction Co Ltd filed Critical Nitchitsu Co Ltd
Priority to JP11195316A priority Critical patent/JP2001020270A/en
Publication of JP2001020270A publication Critical patent/JP2001020270A/en
Pending legal-status Critical Current

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  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a ground compaction method and equipment therefor capable of efficiently vibrate the ground without lowering vibration transmission efficiency and also capable of performing ground compaction efficiently at a high drainage efficiency. SOLUTION: A vibrator supporting rod 10 holding a ground compaction vibrator 11 at the bottom end portion is inserted to the ground, the vibration compaction equipment is operated to vibrate the ground, the excess pore water generated by the vibration is drained through a drain pipe 18 arranged along the supporting rod 10. In this case, a water absorbing chamber capable of accepting the inflow of excess pore water is provided in the supporting rod 10, pressure is reduced therein, the excess pore water flows into the water absorbing chamber, and stored water is discharged through a drain pipe 18.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、砂質地盤や細粒分
の多い地盤等、振動によって液状化しやすい軟弱地盤
を、振動機をもって振動させることによって締め固める
地盤締固め方法及びその装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for compacting a soft ground which is liable to be liquefied by vibration, such as a sandy ground or a ground with a lot of fine grains, by vibrating with a vibrator.

【0002】[0002]

【従来の技術】一般に、軟弱地盤の締固め方法として、
締固めようとする地盤中に、振動機を挿入し、地盤に振
動を与えることによって締固め、振動による液状化によ
って発生した過剰間隙水を前記ロッドに沿って挿入させ
た排水管を通じて排出する工法が知られている(特開平
4−272314号公報)。
2. Description of the Related Art Generally, as a method of compacting soft ground,
A method of inserting a vibrator into the ground to be compacted, compacting by applying vibration to the ground, and discharging excess pore water generated by liquefaction due to vibration through a drain pipe inserted along the rod Is known (JP-A-4-272314).

【0003】[0003]

【発明が解決するしようとする課題】このような従来の
工法では、支持ロッドの外周に沿わせて排水管を設置
し、その下端部を吸い込み口とし、地上に備えたを減圧
ポンプあるいは圧縮空気、高圧ジェット水を利用したポ
ンプ等を使用して振動機周囲に溜まった過剰間隙水を排
出させるようにしているものであるため、振動機周囲に
過剰間隙水が溜まらなければ排水できず、しかも一旦、
振動機周囲に過剰間隙水が溜まると、振動機からの地盤
に対する振動伝達効率が極端に低下し、しかも排水後に
振動機周囲に空隙ができ、振動伝達効率の回復が難くな
るという問題があった。
In such a conventional method, a drain pipe is provided along the outer periphery of a support rod, a lower end thereof is used as a suction port, and a vacuum pump or compressed air provided on the ground is provided. However, since excess pore water accumulated around the vibrator is discharged using a pump or the like that uses high-pressure jet water, drainage cannot be performed unless excessive pore water is accumulated around the vibrator, and Once
If excess pore water accumulates around the vibrator, the vibration transmission efficiency from the vibrator to the ground will be extremely reduced, and there will be a gap around the vibrator after draining, making it difficult to recover the vibration transmission efficiency. .

【0004】本発明は、上述の如き問題に鑑み、振動に
よって発生した過剰間隙水を振動機周囲に溜めることな
く排出でき、振動伝達効率を低下させることなく効率よ
く地盤を振動させ、しかも、高い排水効率で効果的に地
盤の締固めができる地盤締固め方法及びその装置の提供
を目的としてなされたものである。
[0004] In view of the above problems, the present invention can discharge excessive pore water generated by vibration without collecting around the vibrator, vibrates the ground efficiently without lowering the vibration transmission efficiency, and achieves high vibration. An object of the present invention is to provide a ground compaction method and a ground compaction method capable of effectively compacting the ground with drainage efficiency.

【0005】[0005]

【課題を解決するための手段】上述の如き従来の問題を
解決し、所期の目的を達成するための本発明に係る方法
の特徴は、地盤締固め用の振動機を保持させた振動機支
持ロッドを地盤中に挿入し、前記振動機を作動させて地
盤を振動させ、該振動によって発生した過剰間隙水を前
記支持ロッドに沿って配置した排水管を通じて排水させ
る地盤振動締固め方法において、前記支持ロッドに前記
過剰間隙水が流入可能な吸水室を備え、該吸水室内を減
圧させて過剰間隙水を吸水室内に流入させ、該吸水室内
に溜まった水を、前記排水管を通じて排出させるように
したことにある。
A feature of the method according to the present invention for solving the above-mentioned conventional problems and achieving the intended object is that a vibrator holding a vibrator for ground compaction is provided. A ground vibration compaction method of inserting a support rod into the ground, operating the vibrator to vibrate the ground, and draining excess pore water generated by the vibration through a drain pipe arranged along the support rod, The support rod is provided with a water absorption chamber into which the excess pore water can flow, the pressure in the water absorption chamber is reduced, the excess pore water flows into the water absorption chamber, and the water accumulated in the water absorption chamber is discharged through the drain pipe. It is to have done.

【0006】また、本発明に係る装置の特徴は、地盤締
固め用の振動機と、該振動機を保持し地盤中に挿入され
る振動機支持ロッドと、該振動機支持ロッドに沿って設
置した過剰間隙水排出用の排水管とを備えてなる地盤振
動締固め装置において、前記振動機支持ロッドに、前記
過剰間隙水が流入可能な吸水室を備え、該吸水室内に排
水ポンプを設置し、該排水ポンプに前記排水管の下端部
を連結するとともに、該吸水室内を減圧させる減圧手段
を備えたことにある。
Further, the features of the device according to the present invention include a vibrator for compacting the ground, a vibrator support rod that holds the vibrator and is inserted into the ground, and an installation along the vibrator support rod. And a drain pipe for discharging excess pore water, wherein the vibrator support rod has a water absorption chamber into which the excess pore water can flow, and a drain pump is installed in the water absorption chamber. The drain pump is connected to the lower end of the drain pipe, and is provided with a pressure reducing means for reducing the pressure in the water absorbing chamber.

【0007】尚、減圧手段は、排水管の上端側を連通さ
せた減圧タンクと、該減圧タンク内を減圧させる真空ポ
ンプとをもって構成し、該減圧タンク内の水を排出する
排水手段を備えること、吸水室には内部の水位を検出で
きる水位センサーを備えることが好ましい。
The pressure reducing means comprises a pressure reducing tank communicating with the upper end of the drainage pipe, and a vacuum pump for reducing the pressure in the pressure reducing tank, and is provided with a drainage means for discharging water from the pressure reducing tank. Preferably, the water absorption chamber is provided with a water level sensor capable of detecting an internal water level.

【0008】[0008]

【発明の実施の形態】次に本発明の実施の形態を図面に
ついて説明する。図1は本発明の方法を実施する装置の
概略を示しており、図において1は杭打機、2は杭打機
1のガイド支柱3に沿って吊下げられたバイブロハンマ
ー、4はバイブロハンマー2の掴み部2aに掴まれて吊
下げられた締固め装置である。
Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 schematically shows an apparatus for carrying out the method of the present invention, in which 1 is a pile driver, 2 is a vibro hammer suspended along a guide post 3 of the pile driver 1, and 4 is a vibro hammer. This is a compacting device that is suspended by being gripped by a second gripping portion 2a.

【0009】締固め装置4は、図2〜図4に示すよう
に、鋼管を使用した中空の支持ロッド10を有してお
り、この支持ロッド10の下端に締固め用の振動機11
が支持されている。支持ロッド10の下端部周囲には地
盤内挿ガイド用のフィン12が放射状に突設されてお
り、その間にジェットノズル13が下向きに設置され、
各ジェットノズル13に高圧配管14を通して地盤掘削
用の高圧水が供給されるようになっている。
As shown in FIGS. 2 to 4, the compacting device 4 has a hollow support rod 10 using a steel pipe, and a vibrator 11 for compaction is provided at a lower end of the support rod 10.
Is supported. Around the lower end of the support rod 10, fins 12 for guiding into the ground are radially protruded, while a jet nozzle 13 is installed downward,
High-pressure water for ground excavation is supplied to each jet nozzle 13 through a high-pressure pipe 14.

【0010】支持ロッド10の下端部は周壁に多数の細
孔15を開けた吸水室16となっており、その内部に水
中サンドポンプからなる排水ポンプ17が収容され、該
ポンプ17から排水管18を通して排水されるようにな
っている。排水管18は、支持ロッド10内を通して上
端より導出されている。
A lower end portion of the support rod 10 is a water absorption chamber 16 having a large number of fine holes 15 formed in a peripheral wall. A drainage pump 17 composed of a submersible sand pump is accommodated in the water absorption chamber 16. It is drained through. The drain pipe 18 is led out from the upper end through the inside of the support rod 10.

【0011】吸水室16内には高さを違えた複数の水位
センサー19が設置され、吸水室16内の水位が、所定
の低水位以下であること及び所定の高水位以上であるこ
とを検出できるようになっている。
A plurality of water level sensors 19 having different heights are installed in the water absorption chamber 16 to detect that the water level in the water absorption chamber 16 is lower than a predetermined low water level and higher than a predetermined high water level. I can do it.

【0012】吸水室16内は減圧手段20によって減圧
されるようになっている。減圧手段20は図5に示すよ
うに、水溜兼用の減圧タンク21を有しており、この減
圧タンク21内は真空ポンプ22によって減圧されるよ
うになっているとともに、内部を大気に開放して減圧状
態を解除する減圧解除弁23を有しており、この減圧タ
ンク21の上部に排水管18が連通され、タンク21内
を減圧させることにより、排水管18を通じて吸水室1
6内が減圧されるようになっている。減圧タンク21内
には底部にサンドポンプからなる排水ポンプ24が収容
されているとともに、水位センサー25が設置され、該
タンク21内が一定以上の水位に達すると、排水ポンプ
24が作動してタンク16内の水が排水されるようにな
っている。
The interior of the water absorption chamber 16 is decompressed by a decompression means 20. As shown in FIG. 5, the decompression means 20 has a decompression tank 21 serving also as a water reservoir. The pressure in the decompression tank 21 is reduced by a vacuum pump 22 and the interior is opened to the atmosphere. A decompression release valve 23 for releasing the depressurized state is provided. A drain pipe 18 is communicated with the upper part of the decompression tank 21, and the inside of the tank 21 is depressurized.
The pressure in the chamber 6 is reduced. In the decompression tank 21, a drain pump 24 composed of a sand pump is housed at the bottom, and a water level sensor 25 is installed. When the water level in the tank 21 reaches a certain level or more, the drain pump 24 is activated to activate the tank. The water in 16 is drained.

【0013】次に、このように構成される装置を使用し
た軟弱地盤の振動締固め方法について説明する。
Next, a description will be given of a method of compacting a soft ground by using the apparatus having the above-mentioned structure.

【0014】先ず、支持ロッド10をバイブロハンマー
2によって吊下げた状態で降下させ、必用に応じてジェ
ットノズル13から掘削用のジェット水を噴射させ、バ
イブロハンマー2を作動させて締固め装置4を地盤中に
挿入する。
First, the support rod 10 is lowered in a state of being suspended by the vibratory hammer 2, and jet water for excavation is jetted from the jet nozzle 13 as required, and the vibratory hammer 2 is operated to activate the compaction device 4. Insert into the ground.

【0015】振動機11が所望の深さに達した後、バイ
ブロハンマー2の作動及びジェット水の噴射を停止さ
せ、締固め振動機11を作動させて地盤に振動を与え
る。これと同時に減圧タンク21内を減圧させることに
より、吸水室16内を減圧状態にしておく。このように
して地盤に振動を与えることにより、地盤が締め固めら
れると同時に振動機周囲が液状化し、過剰間隙水が発生
する。この時、吸水室16内は減圧状態にあるため、周
壁の細孔15から過剰間隙水が吸水室16内に吸引され
て該室内に溜められる。
After the vibrator 11 reaches a desired depth, the operation of the vibro-hammer 2 and the jetting of jet water are stopped, and the compaction vibrator 11 is operated to apply vibration to the ground. At the same time, the pressure inside the water absorbing chamber 16 is reduced by reducing the pressure inside the pressure reducing tank 21. By applying vibration to the ground in this way, the ground is compacted, and at the same time, the surroundings of the vibrator are liquefied and excessive pore water is generated. At this time, since the inside of the water absorbing chamber 16 is in a depressurized state, excess pore water is sucked into the water absorbing chamber 16 from the pores 15 on the peripheral wall and is stored in the chamber.

【0016】このようにして吸水室16内の水位が上昇
し、高水位側の水位センサー19が水位を検出すると吸
水室16内の排水ポンプ17が作動し、吸水室16内の
水を地上の減圧タンク21内に排出する。減圧タンク2
1内では、水位が一定以上に達すると水位センサー25
がこれを検出し、タンク21内の排水ポンプ24を作動
させ、タンク21内の水を排出する。
In this manner, when the water level in the water absorption chamber 16 rises and the water level sensor 19 on the high water level detects the water level, the drain pump 17 in the water absorption chamber 16 is operated, and the water in the water absorption chamber 16 is discharged from the ground. It is discharged into the pressure reducing tank 21. Decompression tank 2
1, when the water level reaches a certain level or more, the water level sensor 25
Detects this, activates the drain pump 24 in the tank 21, and discharges the water in the tank 21.

【0017】各排水ポンプ17,25の作動は、それぞ
れの水位が一定以下になるとこれを水位センサーが検出
することにより停止される。
The operation of each of the drain pumps 17 and 25 is stopped when the water level sensor detects that the water level is below a certain level.

【0018】本方法では、吸水室16を減圧状態にして
おくことにより、振動機11による地盤振動により液状
化が生じ、過剰間隙水が発生した場合に、迅速に吸水室
16内に吸引され、振動機11の周囲に溜まることがな
く排出されることとなり、また吸水室16への流入後に
振動機周囲に空隙が生じることもなくなり、振動機11
からの振動伝達効率が低下することなく地盤に振動が伝
えられる。
In the present method, the water absorbing chamber 16 is kept in a decompressed state, so that liquefaction occurs due to ground vibration by the vibrator 11 and, when excessive pore water is generated, the water is quickly sucked into the water absorbing chamber 16, The vibrator 11 is discharged without being accumulated around the vibrator 11, and no void is formed around the vibrator after flowing into the water absorbing chamber 16.
Vibration is transmitted to the ground without lowering the vibration transmission efficiency from the ground.

【0019】尚、上述の例では、排水管18を通じて吸
水室内を減圧しているが、減圧専用の排気管を設置これ
を減圧タンクに連通させ真空ポンプによって減圧させる
ようにしてもよい。
In the above-described example, the pressure in the water suction chamber is reduced through the drain pipe 18. However, an exhaust pipe dedicated to reducing the pressure may be provided and communicated with the pressure reducing tank, and the pressure may be reduced by the vacuum pump.

【0020】[0020]

【発明の効果】上述のように、本発明に係る方法及び装
置にあっては、支持ロッドに過剰間隙水が流入可能な吸
水室を備え、該吸水室内を減圧させて過剰間隙水を吸水
室内に流入させ、吸水室内に溜まった水を、前記排水管
を通じて排出させるようにしたことにより、振動機によ
る地盤振動により液状化が生じ、過剰間隙水が発生した
場合に、振動機周囲の過剰間隙水は迅速に吸水室内に吸
引され、振動機の周囲に溜まることがなく排出されるこ
ととなり、また吸水室への流入後に振動機周囲に空隙が
生じることもなくなり、振動機からの振動伝達効率が低
下することなく地盤に振動が伝えられることとなり、効
率の良い振動締固めがなされる。
As described above, in the method and the apparatus according to the present invention, the supporting rod is provided with the water absorbing chamber into which excess pore water can flow, and the pressure in the water absorbing chamber is reduced to remove the excess pore water. The water collected in the suction chamber is discharged through the drainage pipe, and liquefaction occurs due to ground vibrations caused by the vibrator. Water is quickly sucked into the water absorption chamber and discharged without accumulating around the vibrator, and there is no gap around the vibrator after flowing into the water absorption chamber. Vibration is transmitted to the ground without lowering, and efficient vibration compaction is performed.

【0021】また、減圧手段は、排水管の上端側を連通
させた減圧タンクと、該減圧タンク内を減圧させる真空
ポンプとをもって構成し、該減圧タンク内の水を排出す
る排水手段を備えることにより、1本の排水管により、
排水と吸引室内の減圧とをともに行わせることができ、
装置が簡略化される。
The pressure reducing means comprises a pressure reducing tank communicating with the upper end of the drainage pipe, and a vacuum pump for reducing the pressure in the pressure reducing tank, and is provided with a drainage means for discharging water from the pressure reducing tank. With one drain pipe,
Drainage and decompression in the suction chamber can be performed together,
The device is simplified.

【0022】更に、吸水室には内部の水位を検出できる
水位センサーを備えることにより、排水ポンプの作動を
必用な時のみに行わせることができるとともに自動化が
可能となる。
Further, the water absorption chamber is provided with a water level sensor capable of detecting the water level in the interior, so that the operation of the drain pump can be performed only when necessary and automation is possible.

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

【図1】本発明方法を実施するための装置の一例の概略
を示す側面図である。
FIG. 1 is a side view schematically showing an example of an apparatus for carrying out the method of the present invention.

【図2】本発明の締固め装置の一例を示す側面図であ
る。
FIG. 2 is a side view showing an example of the compacting device of the present invention.

【図3】同上の部分縦断面図である。FIG. 3 is a partial longitudinal sectional view of the same.

【図4】図2中のA−A線断面図である。FIG. 4 is a sectional view taken along line AA in FIG.

【図5】同上の装置の減圧手段の一例を示す配管図であ
る。
FIG. 5 is a piping diagram showing an example of a pressure reducing means of the above device.

【符号の説明】[Explanation of symbols]

1 杭打機 2 バイブロハンマー 2a 掴み部 3 ガイド支柱 4 締固め装置 10 支持ロッド 11 振動機 12 フィン 13 ジェットノズル 14 高圧配管 15 細孔 16 吸水室 17 排水ポンプ 18 排水管 19 水位センサー 20 減圧手段 21 減圧タンク 22 真空ポンプ 23 減圧解除弁 24 排水ポンプ 25 水位センサー DESCRIPTION OF SYMBOLS 1 Pile driver 2 Vibro hammer 2a Gripping part 3 Guide support 4 Compaction device 10 Support rod 11 Vibrator 12 Fin 13 Jet nozzle 14 High pressure piping 15 Pores 16 Water absorption chamber 17 Drain pump 18 Drain pipe 19 Water level sensor 20 Decompression means 21 Decompression tank 22 Vacuum pump 23 Decompression release valve 24 Drain pump 25 Water level sensor

フロントページの続き (72)発明者 平林 修 東京都文京区後楽二丁目2番8号 五洋建 設株式会社内 (72)発明者 木皿 幸夫 東京都千代田区内幸町一丁目3番6号 株 式会社ニッチツ内 Fターム(参考) 2D043 CB03 DA04 EB02 EB06 Continuing on the front page (72) Osamu Hirabayashi, Inventor Goyo Construction Co., Ltd. 2-2-2 Koraku, Bunkyo-ku, Tokyo (72) Inventor Yukio Kisara 1-3-6 Uchisaiwaicho, Chiyoda-ku, Tokyo F-term in niche (reference) 2D043 CB03 DA04 EB02 EB06

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】地盤締固め用の振動機を保持させた振動機
支持ロッドを地盤中に挿入し、前記振動機を作動させて
地盤を振動させ、該振動によって発生した過剰間隙水を
前記支持ロッドに沿って配置した排水管を通じて排水さ
せる地盤振動締固め方法において、 前記支持ロッドに前記過剰間隙水が流入可能な吸水室を
備え、該吸水室内を減圧させて過剰間隙水を吸水室内に
流入させ、該吸水室内に溜まった水を、前記排水管を通
じて排出させるようにしたことを特徴としてなる地盤振
動締固め方法。
1. A vibrator supporting rod holding a vibrator for compacting the ground is inserted into the ground, the vibrator is operated to vibrate the ground, and the excess pore water generated by the vibration is supported by the vibrator. A ground vibration compaction method for draining water through a drain pipe arranged along a rod, comprising: a water absorption chamber into which the excess pore water can flow into the support rod; and depressurizing the water absorption chamber to flow the excess pore water into the water absorption chamber. Wherein the water collected in the water absorbing chamber is drained through the drain pipe.
【請求項2】地盤締固め用の振動機と、該振動機を保持
し地盤中に挿入される振動機支持ロッドと、該振動機支
持ロッドに沿って設置した過剰間隙水排出用の排水管と
を備えてなる地盤振動締固め装置において、 前記振動機支持ロッドに、前記過剰間隙水が流入可能な
吸水室を備え、該吸水室内に排水ポンプを設置し、該排
水ポンプに前記排水管の下端部を連結するとともに、該
吸水室内を減圧させる減圧手段を備えたことを特徴とし
てなる地盤振動締固め装置。
2. A vibrator for compacting the ground, a vibrator support rod that holds the vibrator and is inserted into the ground, and a drainage pipe installed along the vibrator support rod for discharging excess pore water. In the ground vibration compaction apparatus comprising: the vibrator support rod, a water absorption chamber into which the excess pore water can flow, a drainage pump is installed in the water absorption chamber, and the drainage pump is provided with the drainage pipe. A ground vibration compaction device comprising a decompression means for connecting a lower end portion and depressurizing the water absorbing chamber.
【請求項3】減圧手段は、排水管の上端側を連通させた
減圧タンクと、該減圧タンク内を減圧させる真空ポンプ
とをもって構成し、該減圧タンク内の水を排出する排水
手段を備えてなる請求項2に記載の地盤振動締固め装
置。
3. The decompression means comprises a decompression tank communicating with an upper end side of a drain pipe, and a vacuum pump for depressurizing the interior of the decompression tank, and includes a drain means for discharging water from the decompression tank. The ground vibration compaction device according to claim 2.
【請求項4】吸水室には内部の水位を検出できる水位セ
ンサーを備えてなる請求項2若しくは3に記載の地盤振
動締固め装置。
4. The ground vibration compaction device according to claim 2, wherein the water absorption chamber is provided with a water level sensor capable of detecting an internal water level.
JP11195316A 1999-07-09 1999-07-09 Ground vibration compaction method and equipment therefor Pending JP2001020270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11195316A JP2001020270A (en) 1999-07-09 1999-07-09 Ground vibration compaction method and equipment therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11195316A JP2001020270A (en) 1999-07-09 1999-07-09 Ground vibration compaction method and equipment therefor

Publications (1)

Publication Number Publication Date
JP2001020270A true JP2001020270A (en) 2001-01-23

Family

ID=16339144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11195316A Pending JP2001020270A (en) 1999-07-09 1999-07-09 Ground vibration compaction method and equipment therefor

Country Status (1)

Country Link
JP (1) JP2001020270A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102465523A (en) * 2010-11-19 2012-05-23 葛辉 Dry and dense resonance method for reinforcing soft soil foundation of new hydraulic-fill sand
CN103572746A (en) * 2012-08-10 2014-02-12 徐工集团工程机械股份有限公司 Dynamic compaction machine capable of automatically hooking and unhooking
CN103898892A (en) * 2014-03-06 2014-07-02 中交天津港湾工程研究院有限公司 Processing method and device for reinforcing soft foundation by hydraulic vibration combined with vacuum water suction
CN105735232A (en) * 2016-02-18 2016-07-06 河海大学 Collapsible loess wellpoint presoaking dynamic compaction replacement method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102465523A (en) * 2010-11-19 2012-05-23 葛辉 Dry and dense resonance method for reinforcing soft soil foundation of new hydraulic-fill sand
CN102465523B (en) * 2010-11-19 2013-09-18 葛辉 Dry and dense resonance method for reinforcing soft soil foundation of new hydraulic-fill sand
CN103572746A (en) * 2012-08-10 2014-02-12 徐工集团工程机械股份有限公司 Dynamic compaction machine capable of automatically hooking and unhooking
CN103898892A (en) * 2014-03-06 2014-07-02 中交天津港湾工程研究院有限公司 Processing method and device for reinforcing soft foundation by hydraulic vibration combined with vacuum water suction
CN105735232A (en) * 2016-02-18 2016-07-06 河海大学 Collapsible loess wellpoint presoaking dynamic compaction replacement method

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