JPH04153415A - Earth carrying out device in pneumatic caisson method - Google Patents
Earth carrying out device in pneumatic caisson methodInfo
- Publication number
- JPH04153415A JPH04153415A JP27866290A JP27866290A JPH04153415A JP H04153415 A JPH04153415 A JP H04153415A JP 27866290 A JP27866290 A JP 27866290A JP 27866290 A JP27866290 A JP 27866290A JP H04153415 A JPH04153415 A JP H04153415A
- Authority
- JP
- Japan
- Prior art keywords
- earth
- sand
- bucket
- carrying
- excavated
- 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
Links
- 238000000034 method Methods 0.000 title description 2
- 239000004576 sand Substances 0.000 claims description 69
- 238000010276 construction Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims 3
- 239000002689 soil Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Abstract
Description
〈産業上の利用分野〉
この発明は、ニューマチックケーソン工法における掘削
土砂の（煎出装置に関するものである。
〈従来の技術と技術課題〉
従来、ニューマチックケーソン工法における掘削土砂の
搬出は第５図に示すように、掘削機（図示しない）によ
り掘削された土砂を土砂搬出用バケツｌに積込み、この
土砂搬出用バケツ１を、作業室２と外部とをに部に設け
られたロック装置３を介して連通ずる中空円筒状の立管
４内を、クレーン等により垂直方向に吊り」二げること
により、掘削土砂を大気中に搬出していた。
この時、１個のバケツにより土砂を搬出したのでは掘削
機による土砂積込みに時間を要し、土砂の１般出能率が
悪いため、２個の土砂搬出用バケツ１．１゛ を用い、
一方の土砂搬出用バケツ１が立管４内を通って吊り上げ
られ、大気中に土砂が搬出され、空になった土砂搬出用
バケッ１が再びロンク装置３、立管４内を通って作業室
２内に戻ってくる間、他方の土砂搬出用バケッ１゛には
、作業室２内において掘削機により土砂を積込み、掘削
土砂の積み込み、搬出作業を２個のバヶッ１．１゛を用
いて交互に行うことにより、掘削土砂の１般出能率を増
大するようにしている。
しかしながら、２個のバケッ１．１“を用いる場合、作
業室２内に作業員５を配置して、人力にて土砂（般出用
バケツの吊り」二げ用のワイヤーロープ６を付は替えな
ければならず、潜函本体７の沈設深度が深くなるにした
がって、作業室２内の気圧も高くなるため、作業員５の
作業室２内における作業時間を短縮させなければならず
、作業能率が低下する欠点があった。
この発明は前記の欠点を解消し、掘削土砂の搬出能率が
高く、作業室内に作業員を配置することなく、掘削土砂
を搬出する装置を提供することを目的とする。
く課題を解決するための手段〉
前記の従来技術が有していた技術課題を解決するため、
この発明のニューマヂノクケーソン工法における土砂搬
出装置は、
掘削機により掘削、積み込まれた土砂を蝶番付された底
蓋２８．２８′ を開くことにより放荷するようにした
土砂積替用バケッ２７を、作業室９と連通し、」１端が
鏡板１Ｇによって閉塞された中空円筒状の立管１８の上
部に取りつけられた揚重装置２１により、立管１８内の
所定の位置まで吊り上げて、バケツ支持部材４０によっ
て土砂積替用バケツ２７を支持させて待機させ、クレー
ン等により吊り上げられる土砂搬出用バヶッ１４が、作
業室９の天井スラブ１０の下面に固設されたレール４１
に懸架され、走行装置４３により水平移動ができるよう
にした走行台車４４に装架されて、前記立管１８内の所
定の位置まで吊り上げられたｔ砂積替用バケッ２７の直
下まで水平移動して停止した後、揚重装置２１の吊りチ
ェーン２６を繰り出して土砂積替用バケッ２７の蝶番付
された底蓋２８．２８゛を開くことにより、土砂を土砂
積替用バケッ２７がら土砂搬出用バヶッ１４に積み替え
て、走行台車４４を水平移動し、土砂搬出用バケツ１４
を立管１３、ロック装置１２を介して大気中に搬出する
ようにしたものである。
〈実施例〉
以下、この発明の一実施例を添イ；（図面に基づいて詳
細に説明する。
第１〜２図において、潜函本体８の作業室９の天井スラ
ブ１０には開口部１１が設けられ、作業室９と外部とを
上部に設はられたロック装置１２を介して連通ずる中空
円筒状の立管１３が、前記開口部１１を覆うように気密
状態に載置されている。１４は、作業室９より立管１３
、ロック装Ｙ？１２を通って、クレーン（図示しない）
等により吊り上げられて掘削土砂を大気中に搬出する土
砂１般出用バケツである。
また、天井スラブ１０には前記立管１３と所定の距離を
隔てて開口部１５が設けられ、この開口部１５のＬ方に
は、−ヒ端が鏡板１６によって閉塞され、下端に７ラン
ジ１７が固着された中空円筒状の別の立管１８が、開ｒ
コ部１５を覆うように、アンカーボルト１つによって、
気密状態に載置されている。
この立管１８の上部には、支持梁２０が取りつけられ、
この支持梁２０には、例えばチェーンブロック等の揚重
装置２１が取り付けられている。
この揚重装置２１は、操作電源ケーブル２２が立管１８
の側壁を気密状態に貫通して、地上の運転制御室２３ま
で延長され、運転制御室２３に設置されたモニターテレ
ビ２４に、立管１８内に設置されたテレビカメラ２５が
ら伝送される映像を見ながら、遠隔操作によって揚重装
置２１の吊りチェーン２６の巻き上げ、繰り出し方向の
運転ができるようにされている。
２７は地上より遠隔操作によって運転される掘削機（図
示しない）により掘削された土砂を収容する土砂積替用
バケツで、第２図に示すように、その底蓋は半月状に分
割されており、半月状の底蓋２８．２８°は各々、土砂
積替用バヶッ２７の側板２９の下部に固着された蝶番３
ｏ、３０’ によって、開閉自在に取り付けられている
。
３１は、逆円錐台状の開口部を有するボス３２が固着さ
れた吊り手で、この吊り手３１は、土砂積替用バケツ２
７の側板２９の上部に固着されたブラケット３３．３３
に、ピン３４．３４゛ を介して、揺動自在に取り付
けられている。
また、揚重装置２１がら繰り出される土砂積替用バケツ
２７の吊りチェーン２６の垂下端には、前記吊り手３〕
に国賓されたボス３２の開口部に、下方より貫入して前
記吊り手３１に連結される円錐台状の吊り金物３５が取
り付けられている。
３６．３６ は、土砂積替用バケッ２７の底蓋２８．２
８°の開閉用ロープで、その一端は底蓋２８．２８゛の
各々に固ン１されたブラケット３７３７ に連結さ１＋
−１その他端は前記吊すチェン２６の垂下端に取り付け
られた吊り金物３５に連結されている。
この開閉用ロープ３６．３６゛は揚重装置２１を作動し
て吊りチェーン２６を巻き取り、吊り金物３５が吊り手
３１のボス３２の開口部に貫入して吊り手３１に連結さ
れたとき、土砂積替用バケソ２７の底蓋２８．２８゛が
水平位置で停止する、即ち土砂積替用バケツ２７の底蓋
２８．２８゛が閉じられた長さに調整する。
３８は土砂積替用バケツ２７の支持用シリンダで、その
ロッド３９の先端には、バケツ支持部材４０が取り付け
られている。
また、天井スラブ１０の下面には、第３図に示すように
、一対の断面［型のレール４１が、アンカーボルト４２
により固定されている。このレル４１には、走行装置４
３を備えた走行台車４４が走行輪４５を介して懸吊され
ている。
この走行台車４４は、土砂搬出用バケッ１４を装架でき
るようその中央部には、開口部４６が設けられ、その上
面にはバケツ支持部材４７が固着されている。
なお、この走行台車４４は走行装置４３より電源操作ケ
ーブル（図示しない）が、前記揚重装置２】と同様に、
地上の運転制御室２３まで延長され、運転制御室２３よ
り遠隔操作によって運転、停止ができるようにされてい
る。
〈作 用〉
り上のように構成されたこの発明の土砂搬出装置による
掘削土砂の搬出方法を以下に説明する。
［掘削土砂の積込み作業］
まず、地上の運転制御室２３より遠隔操作によって揚重
装置２１をその吊りチェーン２６の縁り出し方向へ運転
して、土砂積替用バケツ２７を作業室９内の地盤４８上
に位置させる。次に、作業室９内で地上より遠隔操作に
よって運転される掘削機（図示しない）により掘削され
た土砂を土砂積替用バケツ２７に積み込む。
次に運転制御室２３より遠隔操作によって、揚重装置２
］を吊りチェーン２６の巻き上げ方向に運転し、土砂積
替用バケツ２７が立管１８内の所定の位置まで吊り上げ
られたとき、揚重装置２１の運転を停止するとともに、
シリンダー３８のロッド３９を伸長し、ロンド３９の先
端に取り付けられた支持部材４０によって、土砂積替用
バヶッ２７を支持し、土砂積替用バケツ２７を立管１８
内にて待機させる。
［掘削土砂の積替え作業］
次に、クレーン等により作業室９内に吊り降ろされた空
の土砂搬出用バケツ１４を走行台車４４に装架して、前
記、立管１８内の所定の位置で待機する土砂積替用バケ
ツ２７の直下まで水平移動させる。
次に、揚重装置２１を吊りチェーン２６の繰り出し方向
に運転させ、吊りチェーン２６を繰り出していくことに
より、支持部材４０によって支持された土砂積替用バケ
ツ２７の蝶番性された底蓋２８．２８”は第２図に示す
水平位置から下方に回転し、収容された土砂は土砂積替
用バケッ２７から放荷されて、土砂搬出用バケッ１４に
移し替えられる。<Industrial Application Field> This invention relates to an extraction device for excavated soil in the pneumatic caisson construction method. As shown in the figure, earth and sand excavated by an excavator (not shown) is loaded into an earth and sand transport bucket L, and this earth and sand transport bucket 1 is locked by a locking device 3 installed at the part between the work room 2 and the outside. The excavated soil was carried out into the atmosphere by vertically lifting the inside of the hollow cylindrical standpipe 4, which communicated through the pipe, with a crane or the like. If the soil was carried out, it would take time to load the soil with an excavator, and the efficiency of discharging the soil would be poor, so two 1.1-inch buckets were used to transport the soil.
One bucket 1 for carrying out the earth and sand is lifted up through the inside of the standpipe 4, the earth and sand is carried out into the atmosphere, and the empty bucket 1 for carrying out the earth and sand passes through the Ronku device 3 and the standpipe 4 again to the work room. 2, the other earth and sand carrying bucket 1 is loaded with earth and sand by an excavator in the work room 2, and the excavated earth and sand is loaded and carried out using two bags 1 and 1. By performing this alternately, the single discharge efficiency of excavated soil is increased. However, when using two buckets 1.1", a worker 5 is placed in the work room 2, and the wire rope 6 for lifting earth and sand (hanging the bucket for public use) is attached and changed manually. As the submersion depth of the submersible case body 7 becomes deeper, the atmospheric pressure inside the working chamber 2 also increases, so the working time of the worker 5 in the working chamber 2 must be shortened, which reduces work efficiency. The object of the present invention is to eliminate the above-mentioned drawbacks, provide a device that has high efficiency in transporting excavated soil, and can transport excavated soil without placing a worker in the work room. .Means for solving the above problems〉 In order to solve the technical problems of the above-mentioned conventional technology,
The earth and sand transporting device for the new Madinok caisson construction method of the present invention includes an earth and sand transfer bucket 27 in which earth and sand excavated and loaded by an excavator is released by opening a hinged bottom cover 28, 28'. is communicated with the work chamber 9 and lifted to a predetermined position within the standpipe 18 by a lifting device 21 attached to the top of the hollow cylindrical standpipe 18 whose one end is closed by the end plate 1G, An earth and sand transfer bucket 27 is supported by a bucket support member 40 and placed on standby, and an earth and sand transport bag 14 is lifted by a crane or the like, and is mounted on a rail 41 fixed to the lower surface of the ceiling slab 10 of the work room 9.
It is mounted on a traveling cart 44 which is suspended by a traveling device 43 and can be horizontally moved by a traveling device 43, and horizontally moved to directly below the T-sand transshipment bucket 27 which has been lifted to a predetermined position within the standpipe 18. After stopping, the lifting chain 26 of the lifting device 21 is let out and the hinged bottom cover 28.28 of the earth and sand transshipment bucket 27 is opened. Transfer to the bucket 14, move the traveling trolley 44 horizontally, and move the bucket 14 for carrying out the earth and sand.
is carried out into the atmosphere via a standpipe 13 and a lock device 12. <Example> Hereinafter, an example of the present invention will be described in detail based on the drawings. A hollow cylindrical standpipe 13, which communicates between the work chamber 9 and the outside via a locking device 12 installed at the top, is placed in an airtight state so as to cover the opening 11. 14 is a standpipe 13 from the work room 9
, Lock Sou Y? 12, a crane (not shown)
This is a bucket for general excavation of earth and sand that is lifted up by a crane and carried out into the atmosphere. Further, an opening 15 is provided in the ceiling slab 10 at a predetermined distance from the standpipe 13, and on the L side of the opening 15, the -H end is closed by a mirror plate 16, and the lower end has a 7-lunge 17. Another hollow cylindrical standpipe 18 to which the
With one anchor bolt so as to cover the part 15,
It is kept airtight. A support beam 20 is attached to the top of this standpipe 18,
A lifting device 21 such as a chain block is attached to the support beam 20, for example. This lifting device 21 has an operation power cable 22 connected to the standpipe 18.
It penetrates the side wall of the standpipe in an airtight state and extends to the operation control room 23 on the ground, and the video transmitted from the television camera 25 installed in the standpipe 18 is transmitted to the monitor television 24 installed in the operation control room 23. The hoisting chain 26 of the lifting device 21 can be operated in the hoisting and unwinding directions by remote control while watching. 27 is an earth and sand transfer bucket that stores earth and sand excavated by an excavator (not shown) operated by remote control from the ground, and as shown in Figure 2, its bottom cover is divided into half-moon shapes. , the half-moon-shaped bottom lids 28.28° each have a hinge 3 fixed to the lower part of the side plate 29 of the bag 27 for earth and sand transfer.
o, 30', it is attached so that it can be opened and closed. 31 is a hanging hand to which a boss 32 having an opening in the shape of an inverted truncated cone is fixed;
Bracket 33.33 fixed to the upper part of the side plate 29 of 7
It is swingably attached to via pins 34 and 34. Furthermore, the hanging hand 3 is attached to the hanging end of the hanging chain 26 of the earth and sand transshipment bucket 27 that is fed out from the lifting device 21.
A truncated conical hanging hardware 35 is attached to the opening of the boss 32, which was used as a state guest, to penetrate from below and to be connected to the hanging handle 31. 36.36 is the bottom cover 28.2 of the bucket 27 for earth and sand transfer.
An 8° opening/closing rope, one end of which is connected to a bracket 3737 fixed to each of the bottom lids 28.28.
-1 The other end is connected to a hanging hardware 35 attached to the hanging end of the hanging chain 26. This opening/closing rope 36.36'' operates the lifting device 21 to wind up the hanging chain 26, and when the hanging hardware 35 penetrates into the opening of the boss 32 of the hanging hand 31 and is connected to the hanging hand 31, The bottom cover 28.28' of the earth and sand transshipment bucket 27 stops at a horizontal position, that is, the bottom cover 28.28' of the earth and sand transshipment bucket 27 is adjusted to a closed length. 38 is a cylinder for supporting the earth and sand transshipment bucket 27, and a bucket support member 40 is attached to the tip of the rod 39. Further, on the lower surface of the ceiling slab 10, as shown in FIG.
Fixed by This rail 41 has a traveling device 4.
3 is suspended via running wheels 45. The traveling trolley 44 has an opening 46 in its center so that the bucket 14 for transporting earth and sand can be mounted thereon, and a bucket support member 47 is fixed to the upper surface of the opening 46. Note that this traveling trolley 44 has a power supply operation cable (not shown) connected to the traveling device 43, similarly to the lifting device 2].
It is extended to an operation control room 23 on the ground, and can be started and stopped by remote control from the operation control room 23. <Function> A method for transporting excavated earth and sand using the earth and sand transporting device of the present invention configured as above will be described below. [Loading work of excavated earth and sand] First, the lifting device 21 is operated by remote control from the operation control room 23 on the ground in the direction of the edge of the hanging chain 26, and the earth and sand transshipment bucket 27 is moved into the work room 9. It is located on the ground 48. Next, earth and sand excavated in the work room 9 by an excavator (not shown) operated by remote control from the ground is loaded into the earth and sand transfer bucket 27. Next, by remote control from the operation control room 23, the lifting device 2
] is operated in the hoisting direction of the lifting chain 26, and when the earth and sand transshipment bucket 27 is lifted to a predetermined position in the standpipe 18, the operation of the lifting device 21 is stopped, and
The rod 39 of the cylinder 38 is extended, the earth and sand transshipment bag 27 is supported by the support member 40 attached to the tip of the iron rod 39, and the earth and sand transshipment bucket 27 is moved to the standpipe 18.
Please wait inside. [Transshipment work of excavated earth and sand] Next, the empty earth and sand transport bucket 14, which has been lowered into the work chamber 9 by a crane or the like, is mounted on the traveling cart 44 and placed at a predetermined position in the standpipe 18. It is moved horizontally to just below the waiting earth and sand transshipment bucket 27. Next, by operating the lifting device 21 in the direction in which the hanging chain 26 is fed out, the hinged bottom cover 28 of the earth and sand transshipment bucket 27 supported by the support member 40 is moved. 28'' is rotated downward from the horizontal position shown in FIG. 2, and the stored earth and sand is released from the earth and sand transfer bucket 27 and transferred to the earth and sand transport bucket 14.
次に、走行装置４３を駆動して、走行台車４４に装架さ
れ、掘削土砂の収容された土砂搬出用バケッ１４を、天
井スラブ１０に設けられた開口部１１の直下まで水平移
動させ、クレーン等により土砂搬出用バケッ１４を立管
１３内を吊り上げ、ロック装置１２を介して大気中に搬
出する。
以上の作業を繰り返すことにより、作業室９内に作業員
を配置することなく、掘削土砂を搬出することができる
。
〈発明の効果〉
以」−のような構成と作用のこの発明の土砂搬出装置は
、以下のような効果を有する。
（１）掘削機により掘削された土砂を一旦、土砂積替用
バケツに積み込んで待機させ、空の土砂搬出用バケツが
作業室に戻ってくると、直ちに走行台車により土砂搬出
用バケツを水平移動させて、土砂を土砂積替用バケツか
ら土砂搬出用バケツに積み替えて土砂を搬出するように
したことにより、従来、土砂搬出用バケツへの掘削土砂
の積み込みに時間を要していたのに比して、積み込み時
間が短縮でき、掘削土砂の搬出能率が増大する。
（２）従来、潜函の沈設深度が深くなると、作業時間を
短縮しなければならながったのに比して、この発明の土
砂搬出装置では、地上に設置したモニターテレビに立管
内に設置したテレビカメラにより伝送される映像を見な
がら、揚重装置および走行台車を地上より遠隔操作によ
って、運転操作するようにしたことにより、作業室内に
作業員を配置する必要はない。したがって、潜函の沈設
深度が深くなっても作業時間が制約されることなく、高
能率な土砂搬出作業を行うことができる。また、作業員
が圧気下の作業から解放さｔ′シ、快適な作業環境が提
供される。Next, the traveling device 43 is driven to horizontally move the earth and sand carrying bucket 14 mounted on the traveling cart 44 and containing the excavated earth and sand to just below the opening 11 provided in the ceiling slab 10, and the crane The earth and sand carrying bucket 14 is lifted up inside the standpipe 13 and carried out into the atmosphere via the locking device 12. By repeating the above operations, the excavated earth and sand can be carried out without arranging a worker in the work chamber 9. <Effects of the Invention> The earth and sand transport device of the present invention having the configuration and operation as described below has the following effects. (1) The earth and sand excavated by the excavator is once loaded into the earth and sand transfer bucket and kept on standby. When the empty earth and sand transport bucket returns to the work room, the earth and sand transport bucket is immediately moved horizontally by a traveling cart. By transferring the earth and sand from the earth transfer bucket to the earth transport bucket and transporting the earth, the time taken to load the excavated earth and sand into the earth transport bucket was reduced compared to the conventional method. As a result, loading time can be shortened and excavated soil removal efficiency can be increased. (2) Conventionally, when the depth of the submerged box deepened, the work time had to be shortened, but with the earth and sand removal device of this invention, the monitor TV installed on the ground can be installed inside the vertical pipe. Since the lifting device and the traveling truck are remotely operated from the ground while viewing images transmitted by a television camera, there is no need for a worker to be placed inside the work room. Therefore, even if the depth of the submerged box becomes deeper, the work time is not restricted, and highly efficient earth and sand removal work can be performed. In addition, the worker is relieved from working under pressure, and a comfortable working environment is provided.
第１図はこの発明の土砂搬出装置の全体配置図、第２図
は土砂積替用バケツの詳細説明図、第３図は走行台車の
一部断面図、第４図は走行台車の平面図、第５図は従来
の掘削土砂の搬出方法の説明図である。
（主な記号）Fig. 1 is an overall layout of the earth and sand transport device of the present invention, Fig. 2 is a detailed explanatory view of the earth and sand transfer bucket, Fig. 3 is a partial cross-sectional view of the traveling cart, and Fig. 4 is a plan view of the moving cart. , FIG. 5 is an explanatory diagram of a conventional method for carrying out excavated earth and sand. (Main symbols)
Claims (1)
沈設する際の掘削土砂の搬出装置において、掘削装置に
より掘削、積み込まれた土砂を収容し、蝶番付された底
蓋２８、２８′を開くことにより、収容土砂を放荷する
ようにした上下移動可能な土砂積替用バケツ２７と、 掘削土砂を立管１３上部のロック装置１２を介して大気
中に搬出する土砂搬出用バケツ１４と、作業室９の天井
スラブ１０の下面に固設されたレール４１に懸架され、
走行装置４３を備え、前記土砂搬出用バケツ１４の前記
土砂積替用バケツ２７の直下位置への水平移動ができる
ようにした走行台車４４とにより構成されかつ、これら
がそれぞれ遠隔操作されるものであることを特徴とする
ニューマチックケーソン工法における土砂搬出装置。(1) In the equipment for transporting excavated earth and sand when submerging underground structures using the pneumatic caisson construction method, the earth and sand excavated and loaded by the excavation equipment is stored, and the hinged bottom covers 28, 28' are opened. , an earth and sand transfer bucket 27 that is movable up and down to release stored earth and sand, an earth and sand transport bucket 14 that transports excavated earth and sand into the atmosphere via a locking device 12 at the top of the standpipe 13, and a work room. 9 is suspended on a rail 41 fixed to the lower surface of the ceiling slab 10,
It is equipped with a traveling device 43 and a traveling trolley 44 capable of horizontally moving the earth and sand transporting bucket 14 to a position directly below the earth and sand transfer bucket 27, and each of these is remotely controlled. An earth and sand transport device for the pneumatic caisson construction method, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27866290A JPH068541B2 (en) | 1990-10-15 | 1990-10-15 | Sediment unloading device for pneumatic caisson method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27866290A JPH068541B2 (en) | 1990-10-15 | 1990-10-15 | Sediment unloading device for pneumatic caisson method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04153415A true JPH04153415A (en) | 1992-05-26 |
| JPH068541B2 JPH068541B2 (en) | 1994-02-02 |
Family
ID=17600412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27866290A Expired - Lifetime JPH068541B2 (en) | 1990-10-15 | 1990-10-15 | Sediment unloading device for pneumatic caisson method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068541B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317059A (en) * | 2000-05-11 | 2001-11-16 | Maruto Kogyo Kk | Mounting method for bottom door of caisson |
| JP2011089249A (en) * | 2009-10-20 | 2011-05-06 | Hazama Corp | Bucket delivery device |
| JP5730429B1 (en) * | 2014-06-10 | 2015-06-10 | 大洋基礎株式会社 | Ground improvement pile creation method and ground improvement pile creation device |
-
1990
- 1990-10-15 JP JP27866290A patent/JPH068541B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317059A (en) * | 2000-05-11 | 2001-11-16 | Maruto Kogyo Kk | Mounting method for bottom door of caisson |
| JP2011089249A (en) * | 2009-10-20 | 2011-05-06 | Hazama Corp | Bucket delivery device |
| JP5730429B1 (en) * | 2014-06-10 | 2015-06-10 | 大洋基礎株式会社 | Ground improvement pile creation method and ground improvement pile creation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068541B2 (en) | 1994-02-02 |
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