JPS6145014B2 - - Google Patents
Info
- Publication number
- JPS6145014B2 JPS6145014B2 JP58145786A JP14578683A JPS6145014B2 JP S6145014 B2 JPS6145014 B2 JP S6145014B2 JP 58145786 A JP58145786 A JP 58145786A JP 14578683 A JP14578683 A JP 14578683A JP S6145014 B2 JPS6145014 B2 JP S6145014B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet pile
- removal tool
- sheet
- concrete
- wall
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims description 42
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000009416 shuttering Methods 0.000 abstract 7
- 238000010009 beating Methods 0.000 abstract 2
- 239000003566 sealing material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/182—Bulkheads or similar walls made solely of concrete in situ using formworks to separate sections
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Door And Window Frames Mounted To Openings (AREA)
- Fencing (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Lining And Supports For Tunnels (AREA)
- Sewage (AREA)
- Continuous Casting (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の分野）
本発明は、矢板を用い地盤にコンクリート打ち
をして細長い壁部を形成した後に、該壁部材を形
成する役目の終つた矢板をコンクリートから容易
に取外して引抜く矢板撤去方法及び撤去用具に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of the Invention) The present invention provides a method for easily removing the sheet piles, which have completed their role of forming the wall member, from the concrete after forming an elongated wall by pouring concrete into the ground using sheet piles. This article relates to a method for removing and pulling out sheet piles and removal tools.
（技術分野）
近時行なわれている地盤に壁部材を形成する方
法は、矢板を用いて一つ宛或は連続的にコンクリ
ート打ちして複数の基本部分を作るものである。
何れの場合も矢板は、出来上つたコンクリート部
分の端部に全高に亘つて凹状の凹みを形成するよ
うな形状に構成されていて、根掘り場の土壌側に
向けて取付けられる。即ち矢板は、個々にコンク
リート打ちをする場合には既成コンクリート部分
の両端に、また連続コンクリート打ちをする場合
にはその一端に取付ける。次にコンクリート壁部
材を形成すべき地盤の部分を掘さくして既成コン
クリート部分の凹みに対向してコンクリートを打
つ。続いて矢板を撤去し、このようにして幾何学
模様的によく形の整つた壁部材の継手部を形成す
る。(Technical Field) A method of forming wall members on the ground that has been practiced recently is to use sheet piles to pour concrete one by one or continuously to form a plurality of basic parts.
In either case, the sheet pile is configured to form a concave recess over the entire height at the end of the finished concrete section, and is installed toward the soil side of the root digging site. That is, the sheet piles are attached to both ends of the pre-cast concrete section when concrete is poured individually, or at one end when concrete is poured continuously. Next, the part of the ground where the concrete wall member is to be formed is excavated, and concrete is poured opposite to the recess in the pre-cast concrete part. Subsequently, the sheet piles are removed and in this way a geometrically well-shaped joint of the wall element is formed.
現在使用される矢板は種々の断面形を有し、そ
の最も簡単なものは円である。矢板は作用的に全
く異なつた二つの種類に分類することができる。 The sheet piles currently in use have a variety of cross-sectional shapes, the simplest of which is circular. Sheet piles can be classified into two types that are functionally completely different.
(A) 一般に広く使用される第１の種類の矢板は、
長手方向に引張るように摺動パネル状に引抜く
如く構成されている。従つてコンクリートが完
全固化する以前に矢板を強制的に引抜く（もし
そうしないと付着力が過大になつて状態によつ
ては矢板を取外す時にコンクリートにねじれを
生ずる）。このためコンクリートを或る程度堅
ねりにする（もしそうでないとコンクリートは
引抜きによつてできた空隙内に崩れ落ちる）。
上記の矢板を適宜の時機に引抜くのは容易でな
いことが知られている。何故ならば上記の時機
はセメントの性質及び配合率、温度、硬化速度
等に関係するからである。(A) The first type of sheet pile commonly used is:
It is configured to be pulled out in the form of a sliding panel so as to be pulled in the longitudinal direction. Therefore, the sheet piles are forcibly pulled out before the concrete completely solidifies (if this is not done, the adhesion force becomes excessive and, depending on the situation, the concrete may become twisted when the sheet piles are removed). This stiffens the concrete to a certain extent (if it did not, the concrete would collapse into the voids created by the drawing).
It is known that it is not easy to pull out the above-mentioned sheet piles at an appropriate time. This is because the above-mentioned timing is related to the properties of cement, compounding ratio, temperature, hardening speed, etc.
さらに上記の引抜き時機は凝固速度に直接関
係があり、かつ途中で付帯作業があつてもコン
クリート打ちは間断なく実施せねばならぬので
現場での作業が極めて複雑なものになる。 Furthermore, the above-mentioned drawing timing is directly related to the solidification rate, and even if additional work is performed during the process, concrete pouring must be carried out without interruption, making the work on site extremely complicated.
最後に、摺動パネル式では二つの連続したコ
ンクリート部分間に防水型のシール材を簡単に
配設することができない。これは、矢板を引抜
くとシール材に長手方向の剪断応力がかかつて
切断したり或はねじれを生ずるものであるが、
一方シール材はコンクリートが固化し始めた時
に漸くコンクリート内に固定するためである。 Finally, sliding panel systems do not allow easy placement of waterproof seals between two consecutive concrete sections. This is because when the sheet pile is pulled out, longitudinal shear stress is applied to the sealing material, causing it to break or become twisted.
On the other hand, the sealing material is used to fix the material in the concrete only when the concrete begins to harden.
他方、矢板の引抜きによつてコンクリート打
ちした部分の端部に形成された空隙は、根掘り
用具はこのようにして出来た空隙内で案内され
るので引続いた地盤部分を根掘りするのに都合
がよく、このようにして連続した壁部を形成す
ることができる。既成成形部の根掘りの幾何学
的不整によつて矢板周縁に付着したコンクリー
ト塊を難なく除去することができる。 On the other hand, the gap created at the end of the concreted area by pulling out the sheet pile is difficult to dig into the subsequent ground area because the digging tool is guided within the gap created in this way. Advantageously, a continuous wall can be formed in this way. Concrete lumps attached to the periphery of the sheet pile due to geometric irregularities in the digging of the preformed part can be easily removed.
(B) 第２の種類の矢板もコンクリート打ちした部
分の全高に亘つて凹んだ凹みを形成するが前述
の摺動矢板のようにコンクリート硬化前に引抜
くことをしない。第２の種類の矢板はコンクリ
ートが硬化するまで其場に保持し、引続いての
根掘り場が掘られて該矢板に達するまで其儘に
しておく、次いで既成のコンクリートに面した
側において矢板の全高に亘つて延びた例えば可
撓性チユーブに圧力をかけて膨張させることに
よつて矢板を横方向にずらせて取外す。上記の
第２の種類の矢板は例えば仏国特許出願第
2473091号及びメルナーの米国特許第3564855号
に開示されている。(B) The second type of sheet pile also forms a recess over the entire height of the concreted part, but unlike the sliding sheet pile described above, it is not pulled out before the concrete hardens. The second type of sheet pile is kept in place until the concrete hardens, left in place until a subsequent rooting pit is dug to reach the sheet pile, and then the sheet pile is removed on the side facing the existing concrete. The sheet pile is laterally displaced and removed by, for example, applying pressure and inflating a flexible tube extending over the entire height of the sheet pile. The second type of sheet pile mentioned above is for example
No. 2,473,091 and Melner, US Pat. No. 3,564,855.
この種類の矢板は第１の種類の矢板のように
種々の拘束を受けることがないので現場作業が極
めて単純化される。又第２の種類の矢板では横方
向の移動なので防水型シール材の使用が可能とな
る。 This type of sheet pile is not subject to various restraints like the first type of sheet pile, so field work is extremely simplified. In addition, since the second type of sheet pile moves in the lateral direction, it is possible to use a waterproof sealing material.
他方、この種類の矢板は次の部分を根掘り中に
其場に置かれるので、既成のコンクリート部分の
端部に根掘り用具を使用するための空隙を形成し
ない。従つて根掘りによつて矢板を変形させて壁
部の幾何学的連続性を欠く憾みがある。 On the other hand, since this type of sheet pile is placed in place during the digging of the next section, it does not create a gap at the end of the existing concrete section for the use of digging tools. Therefore, there is a concern that the sheet piles may be deformed by digging, resulting in a lack of geometric continuity in the wall.
次に根掘りすべき部分に向つた空隙を構成する
ために矢板の種々の凹み形状が研究されている
が、充分な解決が得られていない。その理由はコ
ンクリート打ち作業中に、避けることのできない
根掘りの僅かの不整によつて、用意された空隙内
にコンクリートが侵入するためである。この結果
予期していた案内部が得られないだけでなくコン
クリートの洩れ防止が困難となる。 Various recessed shapes of the sheet pile have been studied in order to form a gap toward the area to be dug next, but no satisfactory solution has been obtained. The reason for this is that during the concreting operation, unavoidable slight irregularities in the excavation cause concrete to penetrate into the prepared voids. As a result, not only the expected guide portion cannot be obtained, but also it becomes difficult to prevent concrete from leaking.
（発明の目的）
本発明の目的は上述の二つの種類の矢板の利点
を兼ね備えかつ両者の欠点を除去した方法及び装
置を提供することである。本発明の別の目的は構
造が簡単で作動の単純な矢板撤去用具を提供する
ことである。(Object of the Invention) The object of the present invention is to provide a method and apparatus that combine the advantages of the two types of sheet piles described above and eliminate the disadvantages of both. Another object of the invention is to provide a sheet pile removal tool that is simple in construction and simple in operation.
（発明の構成）
本発明はコンクリート壁部の端部に形成される
凹んだ凹みに適合した中央部分と該中央部分から
両側方に延びたそで部とを有する矢板に使用され
るように構成されている。(Structure of the Invention) The present invention is configured to be used for a sheet pile having a central portion that fits into a recess formed at the end of a concrete wall and sleeve portions extending from the central portion to both sides. has been done.
両そで部は平坦状或は適宜の形状にすることが
できる。 Both sleeve portions may be flat or may have an appropriate shape.
本発明の方法は下記の工程から構成される。即
ち本体部と、矢板の両そで部に沿つて摺動する側
溝を形成した両側部と、矢板離隔用のくさびを形
成するように該両側部の下端部を斜めに削いだく
さび部とを備えた矢板撤去用具を上記矢板の突出
部に取付ける工程と、上記の矢板撤去用具を往復
移動させてコンクリート打ちした壁部と矢板との
間に上記くさび部が完全に分け入るまで導く工程
と、セメント壁部から矢板が完全に離隔するまで
矢板撤去用具を深く押圧するように往復移動させ
る工程とである。又本発明は上記の方法を実施す
る矢板撤去用具に関する。 The method of the present invention consists of the following steps. That is, the main body part, both side parts formed with side grooves that slide along both sides of the sheet piles, and wedge parts formed by cutting the lower ends of the both sides diagonally to form wedges for separating the sheet piles. a step of attaching the provided sheet pile removal tool to the protrusion of the sheet pile; a step of reciprocating the sheet pile removal tool until the wedge portion is completely inserted between the concreted wall and the sheet pile; This step involves reciprocating the sheet pile removal tool so as to press it deeply until the sheet pile is completely separated from the cement wall. The invention also relates to a sheet pile removal tool for carrying out the above method.
好ましい実施例によれば、矢板撤去用具の下部
には矢板のコンクリートを打つていない側の側面
を引つかくように形成した刃物部を備える。この
刃物部には適宜の歯を設けることができる。この
刃物部の目的はコンクリートを打つた時に矢板の
表面に付着したコンクリートを除去することであ
る。又刃物部は必要があればコンクリートを打つ
べき次の部分を再整形するのに役立つ。 According to a preferred embodiment, the lower part of the sheet pile removal tool is provided with a blade portion formed to grip the side surface of the sheet pile on the side where concrete is not poured. This cutter portion can be provided with appropriate teeth. The purpose of this blade is to remove concrete that adheres to the surface of the sheet pile when concrete is poured. The cutting tool also serves to reshape the next area to be concreted, if necessary.
矢板撤去用具を持上げ、次いでその自重を利用
して落下させ、このような動作を繰返して上下方
向に往復移動させる。この場合撤去用具が有効に
作用するためには１トン以上の重量があることが
必要である。撤去用具は通常鋼材で作られ、必要
があれば鉛のバラストを付ける。 The sheet pile removal tool is lifted, then dropped using its own weight, and this operation is repeated to move it back and forth in the vertical direction. In this case, in order for the removal tool to work effectively, it must weigh more than 1 ton. Removal tools are usually constructed of steel and are ballasted with lead if necessary.
矢板撤去用具の形状は限定されるものではな
い。中実にしても中空（例えば上下に通し孔を設
けて根掘時の泥を通過させる）にしてもよい。 The shape of the sheet pile removal tool is not limited. It may be solid or hollow (for example, holes may be provided at the top and bottom to allow mud to pass through during root digging).
又、本矢板撤去用具に圧縮空気利用のくい打ち
装置を設け、或は撤去用具を打ち込むのに用いる
モンキーのような補助くい打ち装置を設けて矢板
とコンクリート間に漸次作動せしめることができ
る。 Further, the main sheet pile removal tool can be provided with a piling device that uses compressed air, or an auxiliary piling device such as a monkey key used for driving the removal tool can be provided and operated gradually between the sheet pile and the concrete.
又別の実施例によれば、矢板撤去用具の本体部
を根掘りバケツト自体で構成する。このためには
根掘りバケツトのスカートの一縁部にくさび形成
溝を取付けて矢板上にバケツトを案内すれば充分
である。バケツトを開放した状態で使用する。矢
板に近接したバケツトの前縁スコツプは上述の引
つかき刃物部の役目をする。 According to another embodiment, the main body of the sheet pile removal tool is constituted by the digging bucket itself. For this purpose, it is sufficient to install a wedge-forming groove on one edge of the skirt of the digging bucket to guide the bucket over the sheet pile. Use with the bucket open. The leading edge scoop of the bucket close to the sheet pile serves as the above-mentioned pulling blade.
（実施例）
第１図〜３図に示す矢板撤去用具は、例えば中
実の鋼材からなりかつかなりの重量（１トン又は
それ以上）のある本体部１と、折曲げた両側部２
とを備える。該両側部は本体部１と一体となつて
垂直方向に二つの溝を形成する。この溝によつて
撤去用具は矢板３、より詳しくは第２図に示すよ
うに矢板の両そで部４に沿つて摺動自在に取付け
られる。矢板３の巾を撤去用具の溝部の内巾より
も狭くして、撤去用具が容易に摺動できるように
両者の間に２〜３cmの隙間を設けることが必要で
ある。(Example) The sheet pile removal tool shown in FIGS. 1 to 3 includes a main body 1 made of, for example, solid steel and having a considerable weight (1 ton or more), and bent side parts 2.
Equipped with. The side parts are integrated with the main body part 1 to form two grooves in the vertical direction. This groove allows the removal tool to be slidably attached along the sheet pile 3, more specifically along both sleeves 4 of the sheet pile as shown in FIG. It is necessary to make the width of the sheet pile 3 narrower than the inner width of the groove of the removal tool, and to provide a gap of 2 to 3 cm between the two so that the removal tool can easily slide.
本体部１の下部には、コンクリートを打つてい
ない側の矢板３の側面に引つかくように係合する
刃物部５が形成されている。又矢板のそで部４に
外嵌した撤去用具の両側部２の下部を斜めに削い
で矢板撤去用のくさび部６を形成する。 A cutter part 5 is formed in the lower part of the main body part 1 and engages with the side surface of the sheet pile 3 on the side where concrete is not poured. Further, the lower part of both side parts 2 of the removal tool fitted onto the sleeve part 4 of the sheet pile is cut diagonally to form a wedge part 6 for sheet pile removal.
撤去用具は、例えば本体部１の上部に設けた目
穴７を介してウインチのケーブルに吊着する。 The removal tool is hung on a winch cable, for example, through an eye hole 7 provided in the upper part of the main body part 1.
第１〜３図に示す本発明の撤去用具の作動を第
４〜６図について説明する。 The operation of the removal tool of the present invention shown in FIGS. 1-3 will be explained with reference to FIGS. 4-6.
第４ａ図及び第４ｂ図は地盤にコンクリート打
ちして形成した壁部を示す。より詳細には図には
矢板３を用いて形成したばかりのコンクリート部
分Ｐが示され、矢板は未だ該部分Ｐの端部に残さ
れている。根掘り場Ｅには、粘土状の泥が基盤に
落下するのを防ぎ乍ら通常の方法で次のコンクリ
ート打ち部分が形成される。矢板３の高さは根掘
り場の高さよりも高く、従つて矢板は地表より上
方に突出している。上記の突出長さは１〜２ｍあ
れば充分である。 Figures 4a and 4b show walls formed by pouring concrete into the ground. More specifically, the figure shows a concrete section P that has just been formed using sheet piles 3, which are still left at the ends of said section P. The next concreting section is formed in the root digging site E using the usual method while preventing the clay-like mud from falling onto the foundation. The height of the sheet pile 3 is higher than the height of the root digging field, so the sheet pile protrudes above the ground surface. It is sufficient that the above-mentioned protrusion length is 1 to 2 m.
本発明の矢板３は、夫々の部分Ｐの端部に凹ん
だ凹みを形成するように突出部Ｃが形成されてい
る。突出部Ｃに長手方向の溝孔を設けて防水型の
通常のシール材Ｊを嵌める。 In the sheet pile 3 of the present invention, a protrusion C is formed at the end of each portion P so as to form a recess. A longitudinal slot is provided in the protrusion C, into which a normal waterproof sealing material J is fitted.
矢板３を引抜く場合に、地表上に突出した矢板
の部分に本発明の撤去用具を取付ける。両側部２
の溝にそで部４を嵌合して強圧すると撤去用具は
矢板３に沿つて摺動する。撤去用具は図示のよう
にケーブル８によつてウインチに吊下げる。 When pulling out the sheet pile 3, the removal tool of the present invention is attached to the portion of the sheet pile that protrudes above the ground surface. Both sides 2
When the sleeve portion 4 is fitted into the groove and strong pressure is applied, the removal tool slides along the sheet pile 3. The removal tool is suspended from the winch by cable 8 as shown.
撤去用具を持上げ、次いでその自重を利用して
落下させ、このような動作を繰返して上下方向に
往復移動をさせる。上記の作動によつてくさび形
部分６はコンクリート部分Ｐと矢板３とを互に離
隔させるように働らき、根掘り場の基盤に向けて
撤去用具を押進めてコンクリートから矢板を離隔
させる。この作業中に刃物部５はＰの部分のコン
クリート打ちした際に矢板の表面にたまたま付着
したコンクリートの塊をはかいする。上記のコン
クリート場は根掘り作業中に除去されず、また矢
板の引抜き作業の障害になるものである。この刃
物部による作業は根掘りが予定の寸法から僅か狂
つている場合に根掘り場を再整形するのに役立
つ。撤去用具が根掘り場の底に達すると矢板が完
全に自由になつて容易に引抜くことが可能とな
る。しかしこの作業が終る前に矢板が根掘り場Ｅ
内で急に転倒しないように、地表上で矢板をケー
ブル９等によつて保持することが必要な場合があ
る。 The removal tool is lifted, then dropped using its own weight, and this operation is repeated to move it back and forth in the vertical direction. By the above operation, the wedge-shaped portion 6 acts to separate the concrete portion P and the sheet pile 3 from each other, and pushes the removal tool toward the foundation of the digging site to separate the sheet pile from the concrete. During this work, the knife section 5 scrapes off lumps of concrete that happened to adhere to the surface of the sheet pile when pouring concrete in the section P. The above-mentioned concrete field is not removed during the root digging work and also becomes an obstacle to the sheet pile pulling work. This work with the cutting tool is useful for reshaping the digging site if the digging is slightly deviating from the planned dimensions. When the removal tool reaches the bottom of the digging pit, the sheet pile becomes completely free and can be easily pulled out. However, before this work was completed, the sheet piles were removed from the root digging area E.
In some cases, it may be necessary to hold the sheet piles on the ground surface using cables 9 or the like to prevent them from suddenly falling over.
矢板の引抜き作業中にシール材Ｊが破損するこ
とがない。 The sealing material J is not damaged during the work of pulling out the sheet piles.
上記の一つの作業中に二つの目的が達成され
る。即ち矢板の引抜きと壁部形状の幾何学的連続
性の保持である。既成コンクリート部分に取付け
た矢板に沿つて撤去用具を摺動させて次の根掘り
部を再整形するので、該根掘りが既成壁部面に直
角の方向にゆがむことがない。土壌の性質による
大きな変動の怖れがなければ、次の根掘りが終了
するまでに撤去用具を使用することができる。本
発明の撤去用具又は根掘り用バケツトを用いて数
メートル宛掘削して根掘りを行なう。 Two objectives are achieved during the above one operation. That is, pulling out the sheet piles and maintaining the geometric continuity of the wall shape. Since the removal tool is slid along the sheet pile attached to the pre-formed concrete part to reshape the next digging part, the digging part is not distorted in the direction perpendicular to the surface of the pre-formed wall part. If there is no risk of major changes in soil properties, removal tools can be used before the next round of digging is completed. Root digging is carried out by excavating several meters using the removal tool or root digging bucket of the present invention.
二つの連続した壁部が例えば多角形外形を作る
時のように互に角度をなす場合には矢板を引抜い
て壁部を幾何学的に形成する。この目的のために
撤去用具の形状を変えてもよい。 If two consecutive walls are at an angle to each other, for example when creating a polygonal profile, the sheet piles are pulled out to form the walls geometrically. The shape of the removal tool may be modified for this purpose.
本発明のプロセスを、前述のフランス特許第
2473091号に述べた膨張可能なチユーブを用いた
撤去用具と組合せて行なうことができる。 The process of the invention has been described in the aforementioned French patent No.
This can be done in combination with the inflatable tube removal tool described in No. 2,473,091.
第１図は本発明の矢板撤去用具を矢板に取付け
た状態を示す側面図、第２図は第１図の−線
についての水平断面図、第３図は第２図の−
線についての垂直断面図、第４ａ，４ｂ，５，６
ａ，６ｂ図は地盤中の壁部の構成について本発明
のプロセスを概略的に示した図で、そのうち第４
ａ，５，６ａ図は部分破断側面図、第４ｂ，６ｂ
図は第４ａ，６ａ図の夫々ｂ−ｂ線についての水
平断面図である。
１……本体部、２……側部、３……矢板、４…
…そで部、５……刃物部、６……くさび部、Ｃ…
…中央部、Ｐ……コンクリート壁部。
Fig. 1 is a side view showing the sheet pile removal tool of the present invention attached to a sheet pile, Fig. 2 is a horizontal sectional view taken along the - line in Fig. 1, and Fig. 3 is a - line in Fig. 2.
Vertical section through lines, 4a, 4b, 5, 6
Figures a and 6b are diagrams schematically showing the process of the present invention regarding the structure of the wall in the ground, of which the fourth
Figures a, 5, and 6a are partially cutaway side views, and figures 4b and 6b are
The figures are horizontal cross-sectional views taken along line bb in Figures 4a and 6a, respectively. 1...Main part, 2...Side part, 3...Sheet pile, 4...
...Sleeve part, 5...Knife part, 6...Wedge part, C...
...Central part, P...Concrete wall part.
Claims (1)
形成した際に、形成すべき壁部Ｐの端部凹みに等
しい外形を有する中央部Ｃと該中央部の両側方に
延びた両そで部４とを備えた矢板３を撤去する方
法において、上記の矢板３を地表から突出させて
配列する工程と、本体部１と、矢板３の両そで部
４に沿つて摺動する側溝を形成した両側部２と、
矢板離隔用のくさびを形成するように該両側部２
の下端部を斜めに削いだくさび部６とを備えた矢
板撤去用具を上記矢板３の突出部に取付ける工程
と、上記の矢板撤去用具を往復移動させてコンク
リート打ちした壁部Ｐと矢板３との間に上記くさ
び部６が完全に分け入るまで導く工程と、セメン
ト壁部Ｐから矢板３が完全に離隔するまで矢板撤
去用具を深く押圧するように往復移動させる工程
とからなることを特徴とする矢板の撤去方法。 ２ 矢板を用いて地盤中にコンクリート壁部Ｐを
形成した際に、形成すべき壁部Ｐの端部凹みに等
しい外形を有する中央部Ｃと該中央部の両側方に
延びた両そで部とを備えた矢板３を引抜くための
矢板撤去用具であつて、上記矢板撤去用具が本体
部１と、矢板３の両そで部４上を摺動可能な側溝
を形成する両成形部２とを備え、両成形部の下端
を斜めに削いでコンクリート壁部と矢板間を離隔
させるくさび部６を形成してなる矢板徹去用具。 ３ 本体部１の下端には矢板３のコンクリートを
打つていない側面を引つかくように形成した刃物
部５を備え、該刃物部５に適宜歯部を設けた特許
請求の範囲第２項記載の矢板撤去用具。 ４ 撤去用具の本体部を根掘りバケツトで構成し
た特許請求の範囲第２項記載の矢板撤去用具。 ５ 撤去用具の重量が１トン以上である特許請求
の範囲第２項記載の矢板撤去用具。[Scope of Claims] 1. When a concrete wall P is formed in the ground using sheet piles, a central portion C having an outer shape equal to the concavity at the end of the wall P to be formed and a central portion C on both sides of the central portion are formed. A method for removing a sheet pile 3 having both extended sleeves 4 includes a step of arranging the sheet piles 3 so as to protrude from the ground surface, and a step of arranging the sheet piles 3 along the main body 1 and both sleeves 4 of the sheet pile 3. both side parts 2 forming sliding side grooves;
The both sides 2 are arranged so as to form a wedge for separating the sheet piles.
A step of attaching a sheet pile removal tool having a wedge portion 6 whose lower end is shaved diagonally to the protruding portion of the sheet pile 3, and moving the sheet pile removal tool back and forth to remove the concrete-cast wall portion P and the sheet pile 3. The method is characterized by comprising a step of guiding the wedge portion 6 until it completely penetrates, and a step of moving the sheet pile removal tool back and forth so as to press it deeply until the sheet pile 3 is completely separated from the cement wall portion P. How to remove sheet piles. 2 When a concrete wall P is formed in the ground using sheet piles, a central portion C having an outer shape equal to the end concavity of the wall P to be formed and both sleeve portions extending on both sides of the central portion. A sheet pile removal tool for pulling out a sheet pile 3, comprising: a main body portion 1; and both molded portions 2 forming side grooves in which the sheet pile removal tool can slide on both sleeve portions 4 of the sheet pile 3. A sheet pile removal tool comprising: a wedge part 6 for separating the concrete wall part and the sheet pile by cutting the lower ends of both formed parts diagonally. 3. The lower end of the main body part 1 is provided with a cutter part 5 formed so as to catch the side surface of the sheet pile 3 where concrete is not poured, and the cutter part 5 is provided with appropriate teeth. Sheet pile removal tools. 4. The sheet pile removal tool according to claim 2, wherein the main body of the removal tool is made of a digging bucket. 5. The sheet pile removal tool according to claim 2, wherein the weight of the removal tool is 1 ton or more.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8213994A FR2531733A1 (en) | 1982-08-11 | 1982-08-11 | METHOD AND DEVICE FOR EXTRACTING A FORMWORK IN THE CONTEXT OF PRODUCING A MOLDED WALL IN THE GROUND |
| FR8213994 | 1982-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5991227A JPS5991227A (en) | 1984-05-25 |
| JPS6145014B2 true JPS6145014B2 (en) | 1986-10-06 |
Family
ID=9276806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58145786A Granted JPS5991227A (en) | 1982-08-11 | 1983-08-11 | Method and tool for removing plate |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0101350B1 (en) |
| JP (1) | JPS5991227A (en) |
| AT (1) | ATE19803T1 (en) |
| AU (1) | AU561836B2 (en) |
| DE (1) | DE3363511D1 (en) |
| FR (1) | FR2531733A1 (en) |
| HK (1) | HK27787A (en) |
| MY (1) | MY8700396A (en) |
| PT (1) | PT77174B (en) |
| SG (1) | SG97886G (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0548807U (en) * | 1991-12-03 | 1993-06-29 | 釜屋化学工業株式会社 | Antibacterial compact container |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2628772B1 (en) * | 1988-03-18 | 1990-08-24 | Sif Entreprise Bachy | GUIDANCE SYSTEM FOR THE EXCAVATION TOOL USED FOR MAKING A MOLDED WALL IN THE GROUND |
| FR2674888B1 (en) * | 1991-04-02 | 1995-12-22 | Bouygues Sa | DEVICE FOR FACILITATING THE EXTRACTION OF A FORMWORK, TOOL PRESENT IN THE DEVICE AND APPLICATION TO THE PRODUCTION OF A MOLDED WALL IN THE GROUND. |
| ES2070454T3 (en) * | 1990-06-15 | 1995-06-01 | Bouygues Sa | DEVICE TO FACILITATE THE EXTRACTION OF A FORMWORK, AND APPLICATION TO THE REALIZATION OF A MOLDED WALL IN THE FLOOR. |
| AU6990691A (en) * | 1991-01-22 | 1992-05-07 | Frankipile Australia Pty. Limited | Concrete shuttering element |
| FR2675526A1 (en) * | 1991-04-19 | 1992-10-23 | Sif Entreprise Bachy | METHOD OF GUIDING THE EXCAVATION TOOL USED TO PRODUCE A GROUND MOLDED WALL, AND EXCAVATION TOOL FOR IMPLEMENTING SAID METHOD |
| FR2676763B1 (en) * | 1991-05-23 | 1993-08-13 | Sol Cie | PROCESS FOR TAKING OFF A PANEL END JOINT WHEN PRODUCING MOLDED WALLS IN THE GROUND AND JOINT FOR CARRYING OUT THIS METHOD. |
| GB9616040D0 (en) * | 1996-07-31 | 1996-09-11 | Tsw Partnership The | Improved stop-end system for use in diaphragm wall construction |
| GB2325262B (en) | 1997-05-12 | 2001-05-02 | Kvaerner Cementation Found Ltd | Hydrophilic waterbar for diaphragm wall joints |
| IT1294756B1 (en) * | 1997-09-12 | 1999-04-12 | Finic Bv | SHOULDER TUBE WITH TWO WINGS FOR THE FORMATION OF THE JOINT SURFACES BETWEEN ELEMENTS OF WALLS CASTED IN CONCRETE |
| DE19817982C1 (en) | 1998-04-22 | 1999-11-18 | Leffer Stahl & App | Formwork element of a flat joint formwork and method for its expansion |
| DE19901556B4 (en) * | 1999-01-16 | 2004-02-19 | Brückner Grundbau GmbH | Device and method for removing over-concrete in the area of a diaphragm wall joint |
| GB2371069B (en) | 2001-01-15 | 2004-09-08 | Cementation Found Skanska Ltd | Waterstop for foundation elements |
| GB201112136D0 (en) * | 2011-07-14 | 2011-08-31 | Coupland John W | Diaphragm wall apparatus and methods |
| FR3041976B1 (en) | 2015-10-06 | 2017-11-24 | Soletanche Freyssinet | PORT QUARTET CONSISTS OF VOUTED WALLS AND PLANT TILES |
| GB201706643D0 (en) | 2017-04-26 | 2017-06-07 | Ccmj Systems Ltd | Diaphragm walls |
| GB2571097B (en) * | 2018-02-15 | 2021-08-25 | Ccmj Systems Ltd | Shear key former apparatus and method(s) |
| FR3110922B1 (en) | 2020-05-29 | 2022-10-14 | Soletanche Freyssinet | Reinforcement element for diaphragm wall fitted with a seal holder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT213792B (en) * | 1958-07-30 | 1961-02-27 | Ignaz Dipl Ing Zeissl | Process for the production of concrete, sealing or filter walls in the ground |
| FR1363217A (en) * | 1963-04-05 | 1964-06-12 | Intrafor | Improvements made to excavating equipment to cut down a working face, in particular to dig a trench |
| FR1454173A (en) * | 1965-11-09 | 1966-07-22 | Tot Aanneming Van Werken Voorh | Method of constructing a concrete waterproofing wall, template intended to be used in carrying out this method, and waterproofing wall constructed by means of this method |
| FR2473091A1 (en) * | 1980-01-08 | 1981-07-10 | Sif Entreprise Bachy | Mechanically stripped end shutter for underground concrete walls - has inflatable tubes forcing shutter free of set concrete and forming shaped face for next section |
-
1982
- 1982-08-11 FR FR8213994A patent/FR2531733A1/en active Granted
-
1983
- 1983-07-19 DE DE8383401474T patent/DE3363511D1/en not_active Expired
- 1983-07-19 EP EP83401474A patent/EP0101350B1/en not_active Expired
- 1983-07-19 AT AT83401474T patent/ATE19803T1/en not_active IP Right Cessation
- 1983-07-22 AU AU17195/83A patent/AU561836B2/en not_active Expired
- 1983-08-09 PT PT77174A patent/PT77174B/en unknown
- 1983-08-11 JP JP58145786A patent/JPS5991227A/en active Granted
-
1986
- 1986-12-27 SG SG978/86A patent/SG97886G/en unknown
-
1987
- 1987-04-09 HK HK277/87A patent/HK27787A/en not_active IP Right Cessation
- 1987-12-30 MY MY396/87A patent/MY8700396A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0548807U (en) * | 1991-12-03 | 1993-06-29 | 釜屋化学工業株式会社 | Antibacterial compact container |
Also Published As
| Publication number | Publication date |
|---|---|
| SG97886G (en) | 1988-05-20 |
| FR2531733B1 (en) | 1984-12-21 |
| EP0101350B1 (en) | 1986-05-14 |
| DE3363511D1 (en) | 1986-06-19 |
| JPS5991227A (en) | 1984-05-25 |
| AU561836B2 (en) | 1987-05-21 |
| MY8700396A (en) | 1987-12-31 |
| ATE19803T1 (en) | 1986-05-15 |
| FR2531733A1 (en) | 1984-02-17 |
| EP0101350A1 (en) | 1984-02-22 |
| AU1719583A (en) | 1984-02-16 |
| HK27787A (en) | 1987-04-16 |
| PT77174A (en) | 1983-09-01 |
| PT77174B (en) | 1986-03-11 |
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