JP2896105B2 - Drilling equipment for continuous underground wall formation, cutting surface cleaning jig, and continuous underground wall formation method using them - Google Patents
Drilling equipment for continuous underground wall formation, cutting surface cleaning jig, and continuous underground wall formation method using themInfo
- Publication number
- JP2896105B2 JP2896105B2 JP20122295A JP20122295A JP2896105B2 JP 2896105 B2 JP2896105 B2 JP 2896105B2 JP 20122295 A JP20122295 A JP 20122295A JP 20122295 A JP20122295 A JP 20122295A JP 2896105 B2 JP2896105 B2 JP 2896105B2
- Authority
- JP
- Japan
- Prior art keywords
- underground wall
- continuous underground
- cutting surface
- surface cleaning
- wall forming
- 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 - Lifetime
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、連続地中壁形成用
掘削装置、切削面清掃治具及びそれらを用いた連続地中
壁形成工法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same.
【０００２】[0002]
【従来の技術】従来の連続地中壁形成工法では、連続地
中壁形成用掘削装置及び吸引装置を有するクレーンを用
いて、先行エレメント間の土砂を掘削すると同時に、先
行エレメントの壁面を切削し、かつ、掘削生成物を吸引
排出し、次に、このクレーンを退避させた後、切削面清
掃装置を有するクレーンを用いて、先行エレメントの切
削面に付着したベントナイト等を除去する。この清掃工
程は、先行エレメントと後行エレメントとの間の密着結
合度を高め、遮水性を確保するために行なわれる。2. Description of the Related Art In a conventional continuous underground wall forming method, earth and sand between preceding elements are simultaneously excavated using a crane having a continuous underground wall forming excavating device and a suction device, and at the same time, the wall surface of the preceding element is cut. After the excavated product is suctioned and discharged, and then the crane is retracted, bentonite or the like attached to the cutting surface of the preceding element is removed by using a crane having a cutting surface cleaning device. This cleaning step is performed in order to increase the degree of tight coupling between the preceding element and the succeeding element, and to ensure water shielding.
【０００３】連続地中壁形成用掘削装置を有するクレー
ンは、吸引装置を有するが、切削面清掃装置を有するク
レーンは吸引装置を持たない。従って、清掃工程を終了
した後、切削面清掃装置を有するクレーンを退避させ
て、切削面清掃装置を有するクレーンを導入し、清掃工
程によって生じた生成物を、吸引除去する。A crane having a continuous underground wall forming excavator has a suction device, whereas a crane having a cutting surface cleaning device does not have a suction device. Therefore, after the cleaning process is completed, the crane having the cutting surface cleaning device is retracted, the crane having the cutting surface cleaning device is introduced, and the products generated by the cleaning process are suctioned and removed.
【０００４】このため、クレーンの入れ替えに手間が掛
り、長時間の作業を必要と、連続地中壁形成作業効率が
良くなかった。[0004] For this reason, the replacement of the crane is troublesome, requiring a long operation, and the efficiency of forming the continuous underground wall is not good.
【０００５】また、従来の清掃装置は、装置本体部分の
側面にブラシを設けており、この清掃装置を先行エレメ
ント間の掘削孔内で上下に動かすことで、先行エレメン
トの切削面を清掃していた。しかし、この方法では、切
削面に付着したベントナイト等を完全には除去できな
い。In the conventional cleaning device, a brush is provided on a side surface of the main body of the device, and the cleaning device is moved up and down in a drilling hole between the preceding elements to clean a cutting surface of the preceding element. Was. However, this method cannot completely remove bentonite and the like adhering to the cut surface.
【０００６】[0006]
【発明が解決しようとする課題】本発明の課題は、連続
地中壁形成作業を効率良く実行できる連続地中壁形成用
掘削装置、切削面清掃治具及びそれらを用いた連続地中
壁形成工法を提供することである。SUMMARY OF THE INVENTION An object of the present invention is to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming jig using the same, which can efficiently perform a continuous underground wall forming operation. It is to provide a construction method.
【０００７】本発明のもう一つの課題は、容易、かつ、
迅速に掘削及び切削作業を実行できる連続地中壁形成用
掘削装置、切削面清掃治具及びそれらを用いた連続地中
壁形成工法を提供することである。Another object of the present invention is to easily and
An object of the present invention is to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, which can quickly perform excavation and cutting work.
【０００８】本発明の更にもう一つの課題は、作業装置
の入れ替えが容易な連続地中壁形成用掘削装置、切削面
清掃治具及びそれらを用いた連続地中壁形成工法を提供
することである。Still another object of the present invention is to provide a continuous underground wall forming excavation device, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, in which a working device can be easily replaced. is there.
【０００９】本発明の更にもう一つの課題は、作業時間
を短縮できる連続地中壁形成用掘削装置、切削面清掃治
具及びそれらを用いた連続地中壁形成工法を提供するこ
とである。Still another object of the present invention is to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, which can reduce the working time.
【００１０】本発明の更にもう一つの課題は、先行エレ
メントに後行エレメントを確実に固着させ、先行エレメ
ントと後行エレメントとの境界面で高い遮水性が確保で
きる連続地中壁形成用掘削装置、切削面清掃治具及びそ
れらを用いた連続地中壁形成工法を提供することであ
る。Still another object of the present invention is to provide a continuous underground wall forming excavator capable of securely fixing a succeeding element to a preceding element and ensuring high water shielding at a boundary surface between the preceding element and the following element. Another object of the present invention is to provide a cutting surface cleaning jig and a continuous underground wall forming method using the same.
【００１１】[0011]
【課題を解決するための手段】上述した課題を解決する
ため、本発明に係る連続地中壁形成用掘削装置は、２つ
のカッタードラムと、吸引装置と、本体部分とを有し、
切削面清掃治具が組み合わされる。２つのカッタードラ
ムは、前記本体部分の下部において回転軸が平行となる
ように併設され、互いに逆方向に回転駆動される。前記
吸引装置は、吸引口が前記カッタードラムの間に位置し
ている。前記切削面清掃治具は、複数のブラシと、取付
部材とを含んでいる。前記複数のブラシのそれぞれは、
前記取付部材の上に互いに間隔を隔てて取り付けられて
いる。前記取付部材は、可撓性を有し、前記カッタード
ラムの外周面に巻付け得る。In order to solve the above-mentioned problems, a continuous underground wall forming excavator according to the present invention includes two cutter drums, a suction device, and a main body,
A cutting surface cleaning jig is combined. The two cutter drums are provided side by side at the lower part of the main body so that the rotation axes are parallel to each other, and are driven to rotate in directions opposite to each other. The suction device has a suction port located between the cutter drums. The cutting surface cleaning jig includes a plurality of brushes and a mounting member. Each of the plurality of brushes,
They are mounted on the mounting member at a distance from each other. The attachment member has flexibility and can be wound around the outer peripheral surface of the cutter drum.
【００１２】上述のように、本発明に係る連続地中壁形
成用掘削装置は、２つのカッタードラムと、本体部分と
を有する。２つのカッタードラムは、前記本体部分の下
部において回転軸が平行となるように併設され、互いに
逆方向に回転駆動される。この構造により、優れた掘削
力及び直進性を確保しながら、先行エレメント間の土砂
及び先行エレメントの壁面を、容易、かつ、迅速に掘削
及び切削することができる。As described above, the excavator for forming a continuous underground wall according to the present invention has two cutter drums and a main body. The two cutter drums are provided side by side at the lower part of the main body so that the rotation axes are parallel to each other, and are driven to rotate in directions opposite to each other. With this structure, earth and sand between the preceding elements and the wall surface of the preceding element can be easily and quickly excavated and cut while securing excellent excavating force and straightness.
【００１３】本発明に係る連続地中壁形成用掘削装置
は、また、吸引装置を有する。吸引装置は、吸引口がカ
ッタードラムの間に位置している。この構造により、カ
ッタードラムによって掘削及び切削された土砂、コンク
リートが直ちに吸引装置によって吸引され、排出され
る。[0013] The excavator for forming a continuous underground wall according to the present invention also has a suction device. In the suction device, the suction port is located between the cutter drums. With this structure, earth and sand, concrete excavated and cut by the cutter drum are immediately sucked and discharged by the suction device.
【００１４】連続地中壁形成用掘削装置は、切削面清掃
治具が組み合わされる。これにより、連続地中壁形成用
掘削装置は、清掃機能を有するようになる。切削面清掃
治具は、複数のブラシと、取付部材とを含んでいる。複
数のブラシのそれぞれは、取付部材の上に取り付けられ
ている。取付部材は可撓性を有し、カッタードラムの外
周面に巻付け得る。この構造により、連続地中壁形成用
掘削装置に切削面清掃治具を容易に装着できる。このた
め、容易、かつ、迅速に掘削装置を清掃装置に転用する
ことができる。The continuous underground wall forming excavator is combined with a cutting surface cleaning jig. Thus, the continuous underground wall forming excavator has a cleaning function. The cutting surface cleaning jig includes a plurality of brushes and a mounting member. Each of the plurality of brushes is mounted on the mounting member. The attachment member has flexibility and can be wound around the outer peripheral surface of the cutter drum. With this structure, the cutting surface cleaning jig can be easily mounted on the continuous underground wall forming excavator. Therefore, the excavator can be easily and quickly converted to the cleaning device.
【００１５】また、上記構造により、従来の上下方向だ
けだった動きに回転運動が加わり、高い清掃効果が得ら
れ、切削面に付着したベントナイト等がほぼ完全に除去
できるようになる。このため、先行エレメントに後行エ
レメントを確実に固着させ、先行エレメントと後行エレ
メントとの境界面で高い遮水性が確保できる。Further, with the above structure, a rotational movement is added to the conventional movement only in the vertical direction, a high cleaning effect is obtained, and bentonite and the like adhering to the cut surface can be almost completely removed. For this reason, the succeeding element is firmly fixed to the preceding element, and high water shielding at the interface between the preceding element and the following element can be secured.
【００１６】本発明に係る連続地中壁形成用掘削装置及
び切削面清掃治具は、後述の連続地中壁形成工法におい
て説明するように、作業時間を短縮できる。The excavating apparatus for forming a continuous underground wall and the cutting surface cleaning jig according to the present invention can shorten the working time as described in the continuous underground wall forming method described later.
【００１７】次に、本発明に係る連続地中壁形成工法
は、前記連続地中壁形成用掘削装置を用いる。Next, the continuous underground wall forming method according to the present invention uses the continuous underground wall forming excavator.
【００１８】本発明に係る連続地中壁形成工法は、２つ
の工程を含んでいる。第１の工程は、前記切削面清掃治
具を持たない前記連続地中壁形成用掘削装置を用い、先
行エレメントと先行エレメントとの間の土砂を掘削する
と共に、前記先行エレメントのコンクリート壁面をカッ
ティングし、それによって生じた生成物を吸引し、か
つ、排出する工程である。第２の工程は、前記第１の工
程の後、前記切削面清掃治具を前記カッタードラムに取
り付けて先行エレメントの切削面を清掃し、それによっ
て生じた生成物を吸引し、かつ、排出する工程である。The continuous underground wall forming method according to the present invention includes two steps. The first step is to use the excavating device for forming a continuous underground wall that does not have the cutting surface cleaning jig to excavate earth and sand between the preceding element and the concrete wall surface of the preceding element. And a step of sucking and discharging a product generated thereby. In the second step, after the first step, the cutting surface cleaning jig is attached to the cutter drum to clean the cutting surface of the preceding element, and the generated product is sucked and discharged. It is a process.
【００１９】上述のように、本発明に係る連続地中壁形
成工法において、第１の工程は、切削面清掃治具を持た
ない連続地中壁形成用掘削装置を用い、先行エレメント
間の土砂を掘削すると共に、先行エレメントのコンクリ
ート壁面をカッティングし、それによって生じた生成物
を吸引し、かつ、排出する工程である。ここで、連続地
中壁形成用掘削装置は、上述のものであるから、掘削力
及び直進性に優れている。従って、容易、かつ、迅速に
掘削及び切削することができる。連続地中壁形成用掘削
装置はクレーンによって吊り下げられており、下降しな
がら、掘削及び切削を行なう。連続地中壁形成用掘削装
置は、掘削及び切削が終了した後は、引き上げられる。As described above, in the continuous underground wall forming method according to the present invention, the first step is to use a continuous underground wall forming excavator having no cutting surface cleaning jig and to carry out the earth and sand between the preceding elements. And cutting the concrete wall of the preceding element, and aspirating and discharging the resulting product. Here, since the excavator for forming a continuous underground wall is as described above, it is excellent in excavation force and straightness. Therefore, excavation and cutting can be performed easily and quickly. The excavator for continuous underground wall formation is suspended by a crane, and performs excavation and cutting while descending. The excavator for continuous underground wall formation is raised after excavation and cutting are completed.
【００２０】第２の工程は、第１の工程の後、切削面清
掃治具をカッタードラムに取り付けて先行エレメントの
切削面を清掃する。それによって生じた生成物を吸引
し、かつ、排出する工程である。クレーンはそのまま用
いることができ、カッタドラムに対する切削面清掃治具
の取り付け作業だけでよい。In the second step, after the first step, a cutting surface cleaning jig is attached to the cutter drum to clean the cutting surface of the preceding element. This is a step of sucking and discharging a product generated thereby. The crane can be used as it is, and it is only necessary to attach the cutting surface cleaning jig to the cutter drum.
【００２１】清掃工程の後は、切削面清掃治具をカッタ
ードラムから取り外し、次の掘削工程に備える。従っ
て、全工程を通して、同一のクレーンだけを使用し、治
具の取り付け、取り外しだけで、掘削、吸引及び清掃作
業を実行できる。このため、作業装置の入れ替えに手間
が掛らず、作業時間を短縮できる。After the cleaning step, the cutting surface cleaning jig is removed from the cutter drum to prepare for the next excavation step. Therefore, excavation, suction and cleaning operations can be performed only by attaching and detaching jigs using only the same crane throughout the entire process. For this reason, replacement of the working device does not take much time, and the working time can be reduced.
【００２２】以上のように、本発明に係る連続地中壁形
成用掘削装置、切削面清掃治具及びそれらを用いた連続
地中壁形成工法によれば、連続地中壁形成作業を効率良
く実行できる。As described above, according to the continuous underground wall forming excavator, the cutting surface cleaning jig and the continuous underground wall forming method using the same according to the present invention, the continuous underground wall forming operation can be efficiently performed. I can do it.
【００２３】本発明の更に具体的な特徴及び利点は、図
面を参照して更に具体的に説明する。More specific features and advantages of the present invention will be described more specifically with reference to the drawings.
【００２４】[0024]
【発明の実施の形態】図１は本発明に係る連続地中壁形
成用掘削装置の正面図、図２は図１に示した連続地中壁
形成用掘削装置に切削面清掃治具を組み合わせた場合の
カッタードラム部分の拡大図、図３は図２の側面図であ
る。図示するように、本発明に係る連続地中壁形成用掘
削装置１は、２つのカッタードラム１１、１１と、本体
部分１３とを有する。２つのカッタードラム１１、１１
は、本体部分１３の下部において回転軸１１１が平行と
なるように併設され、互いに逆方向ａ，ｂに回転駆動さ
れる。この構造により、優れた掘削力及び直進性を確保
しながら、容易、かつ、迅速に掘削及び切削することが
できる。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a front view of a continuous underground wall forming excavator according to the present invention, and FIG. 2 is a combination of a continuous underground wall forming excavator shown in FIG. 1 and a cutting surface cleaning jig. FIG. 3 is a side view of FIG. As shown in the figure, the excavator 1 for forming a continuous underground wall according to the present invention has two cutter drums 11 and 11 and a main body 13. Two cutter drums 11, 11
Are provided in parallel at the lower part of the main body 13 so that the rotation shafts 111 are parallel to each other, and are driven to rotate in directions a and b opposite to each other. With this structure, it is possible to easily and quickly excavate and cut while ensuring excellent excavation force and straightness.
【００２５】本発明に係る連続地中壁形成用掘削装置１
は、また、吸引装置１２を有する。吸引装置１２は、図
１に示すように、吸引口１２１がカッタードラム１１、
１１の間に位置している。この構造により、カッタード
ラム１１、１１によって掘削及び切削された土砂、コン
クリートが直ちに吸引装置１２によって吸引され、排出
される。Excavator 1 for forming continuous underground wall according to the present invention
Also has a suction device 12. As illustrated in FIG. 1, the suction device 12 includes a suction port 121 having a cutter drum 11,
11 is located. With this structure, earth and sand and concrete excavated and cut by the cutter drums 11 and 11 are immediately sucked and discharged by the suction device 12.
【００２６】連続地中壁形成用掘削装置１は、切削面清
掃治具２が組み合わさせる。これにより、連続地中壁形
成用掘削装置１は、清掃機能を有するようになる。切削
面清掃治具２は、複数のブラシ２１と、取付部材２２と
を含んでいる。複数のブラシ２１のそれぞれは、図２及
び図３に示すように、取付部材２２上に互いに間隔を隔
てて取り付けられている。本実施例では、カッタードラ
ム１１の外周面上に複数設けられたティースホルダー１
１２の間に取り付けられている。この構造により、従来
の上下方向だけだった動きに回転運動が加わり、高い清
掃効果が得られ、切削面に付着したベントナイト等がほ
ぼ完全に除去できるようになる。このため、先行エレメ
ント３に後行エレメントを確実に固着させ、先行エレメ
ント３と後行エレメントとの境界面で高い遮水性が確保
できる。The excavator 1 for forming a continuous underground wall is combined with a cutting surface cleaning jig 2. Thereby, the continuous underground wall forming excavator 1 has a cleaning function. The cutting surface cleaning jig 2 includes a plurality of brushes 21 and a mounting member 22. As shown in FIGS. 2 and 3, each of the plurality of brushes 21 is mounted on the mounting member 22 at intervals. In this embodiment, a plurality of teeth holders 1 provided on the outer peripheral surface of the cutter drum 11 are provided.
12 between. With this structure, a rotational movement is added to the conventional movement that is only in the vertical direction, a high cleaning effect is obtained, and bentonite and the like adhering to the cut surface can be almost completely removed. For this reason, the succeeding element is securely fixed to the preceding element 3, and a high water shielding property can be secured at the boundary surface between the preceding element 3 and the following element.
【００２７】図４は本発明に係る切削面清掃治具の正面
図である。取付部材２２は、可撓性を有し、カッタード
ラム１１の外周面に巻付け得る。この構造により、連続
地中壁形成用掘削装置１に切削面清掃治具２を容易に装
着できる。このため、容易、かつ、迅速に掘削装置を清
掃装置に転用することができる。本実施例では、取付部
材２２は、チェーンを用いている。チェーンでなる取り
付け部材２２は、可撓性に富み、カッタードラム１１の
外周面に巻きつけ易いこと、リング状に形成する際の両
端結合が容易であること、ブラシ２１の取付が容易であ
ること等の長所を有する。特に、金属製チェーンが機械
的強度の面で好ましい。FIG. 4 is a front view of a cutting surface cleaning jig according to the present invention. The attachment member 22 has flexibility and can be wound around the outer peripheral surface of the cutter drum 11. With this structure, the cutting surface cleaning jig 2 can be easily mounted on the excavator 1 for forming a continuous underground wall. Therefore, the excavator can be easily and quickly converted to the cleaning device. In this embodiment, a chain is used as the attachment member 22. The attachment member 22 composed of a chain is rich in flexibility, easy to wind around the outer peripheral surface of the cutter drum 11, easy to connect both ends when forming into a ring shape, and easy to attach the brush 21. And the like. Particularly, a metal chain is preferable in terms of mechanical strength.
【００２８】ブラシ２１は、好ましくは、金属製のワイ
ヤーブラシを用いる。ブラシ２１と取付部材２２とは取
付プレート２３を介して接続される。取り付けプレート
２３は好ましくは金属によって構成できる。プレス等に
用いた機械加工品、鋳物の何れであってもよい。取り付
け部材２２がチェーンで構成されている場合は、チェー
ン結合ピンを利用して、取り付けプレート２３を取り付
け部材２２に取り付けることができる。The brush 21 is preferably a metal wire brush. The brush 21 and the mounting member 22 are connected via a mounting plate 23. The mounting plate 23 can preferably be made of metal. Any of a machined product and a casting used for a press or the like may be used. When the attachment member 22 is formed of a chain, the attachment plate 23 can be attached to the attachment member 22 using a chain connecting pin.
【００２９】図５は本発明に係る連続地中壁形成工法に
おける第１の工程を示す概略図、図６は本発明に係る連
続地中壁形成工法における第２の工程を示す概略図であ
る。本発明に係る連続地中壁形成工法において、第１の
工程は、図５に示すように、切削面清掃治具２を持たな
い連続地中壁形成用掘削装置１を用い、先行エレメント
３と先行エレメント３との間の土砂を掘削すると共に、
先行エレメント３のコンクリート壁面３１をカッティン
グし、それによって生じた生成物を吸引し、かつ、排出
する工程である。ここで、上述した本発明に係る連続地
中壁形成用掘削装置１が用いられているので、掘削力及
び直進性に優れている。従って、容易、かつ、迅速に掘
削及び切削することができる。連続地中壁形成用掘削装
置１はクレーン４によって吊り下げられており、矢印ｃ
の方向に下降しながら、掘削及び切削を行なう。連続地
中壁形成用掘削装置１は、掘削及び切削が終了した後
は、矢印ｄの方向に引き上げられる。FIG. 5 is a schematic view showing a first step in the continuous underground wall forming method according to the present invention, and FIG. 6 is a schematic view showing a second step in the continuous underground wall forming method according to the present invention. . In the continuous underground wall forming method according to the present invention, the first step uses a continuous underground wall forming excavator 1 having no cutting surface cleaning jig 2 as shown in FIG. While excavating earth and sand between the preceding element 3,
This is a step of cutting the concrete wall 31 of the preceding element 3 and sucking and discharging the product generated thereby. Here, since the above-described excavator 1 for forming a continuous underground wall according to the present invention is used, the excavating power and the straightness are excellent. Therefore, excavation and cutting can be performed easily and quickly. The continuous underground wall forming excavator 1 is suspended by a crane 4 and has an arrow c.
Excavation and cutting are performed while descending in the direction of. After the excavation and cutting are completed, the continuous underground wall forming excavator 1 is pulled up in the direction of arrow d.
【００３０】第２の工程は、図６に示すように、第１の
工程の後、切削面清掃治具２をカッタードラム１１に取
り付けて先行エレメント３の切削面３２を清掃する。そ
して、それによって生じた生成物を吸引し、かつ、排出
する。クレーンは掘削工程で用いたものを、そのまま用
いることができ、カッタドラム１１に対する切削面清掃
治具２の取り付け作業だけでよい。In the second step, as shown in FIG. 6, after the first step, the cutting surface cleaning jig 2 is attached to the cutter drum 11 to clean the cutting surface 32 of the preceding element 3. Then, the resulting product is sucked and discharged. The crane used in the excavation process can be used as it is, and it is only necessary to attach the cutting surface cleaning jig 2 to the cutter drum 11.
【００３１】清掃工程の後は、切削面清掃治具２をカッ
タードラム１１から取り外し、次の掘削工程に備える。
従って、全工程を通して、同一のクレーンだけを使用
し、治具の取り付け、取り外しだけで、掘削、吸引及び
清掃作業を実行できる。このため、作業装置の入れ替え
に手間が掛らず、作業時間を短縮できる。After the cleaning step, the cutting surface cleaning jig 2 is removed from the cutter drum 11 to prepare for the next excavation step.
Therefore, excavation, suction and cleaning operations can be performed only by attaching and detaching jigs using only the same crane throughout the entire process. For this reason, replacement of the working device does not take much time, and the working time can be reduced.
【００３２】以上のように、本発明に係る連続地中壁形
成用掘削装置１、切削面清掃治具２及びそれらを用いた
連続地中壁形成工法によれば、連続地中壁形成作業を効
率良く実行できる。As described above, according to the continuous underground wall forming excavator 1, the cutting surface cleaning jig 2, and the continuous underground wall forming method using the same according to the present invention, the continuous underground wall forming operation can be performed. It can be executed efficiently.
【００３３】[0033]
【発明の効果】以上述べたように、本発明によれば、以
下のような効果が得られる。 （ａ）連続地中壁形成作業を効率良く実行できる連続地
中壁形成用掘削装置、切削面清掃治具及びそれらを用い
た連続地中壁形成工法を提供することができる。 （ｂ）容易、かつ、迅速に掘削及び切削作業を実行でき
る連続地中壁形成用掘削装置、切削面清掃治具及びそれ
らを用いた連続地中壁形成工法を提供することができ
る。 （ｃ）作業装置の入れ替えが容易な連続地中壁形成用掘
削装置、切削面清掃治具及びそれらを用いた連続地中壁
形成工法を提供することができる。 （ｄ）作業時間を短縮できる連続地中壁形成用掘削装
置、切削面清掃治具及びそれらを用いた連続地中壁形成
工法を提供することができる。 （ｅ）先行エレメントに後行エレメントを確実に固着さ
せ、先行エレメントと後行エレメントとの境界面で高い
遮水性が確保できる連続地中壁形成用掘削装置、切削面
清掃治具及びそれらを用いた連続地中壁形成工法を提供
することができる。As described above, according to the present invention, the following effects can be obtained. (A) It is possible to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, which can efficiently execute a continuous underground wall forming operation. (B) It is possible to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, which can easily and quickly perform excavation and cutting work. (C) It is possible to provide a continuous underground wall forming excavator, a cutting surface cleaning jig, and a continuous underground wall forming method using the same, in which the working device can be easily replaced. (D) It is possible to provide a continuous underground wall forming excavator capable of shortening the operation time, a cutting surface cleaning jig, and a continuous underground wall forming method using the same. (E) A digging device for forming a continuous underground wall, a cutting surface cleaning jig, and a jig for fixing the following element to the preceding element without fail and ensuring high water shielding at the boundary surface between the preceding element and the following element. It is possible to provide a continuous underground wall forming method.
【図１】本発明に係る連続地中壁形成用掘削装置の正面
図である。FIG. 1 is a front view of a continuous underground wall forming excavator according to the present invention.
【図２】図１に示した連続地中壁形成用掘削装置に切削
面清掃治具を組み合わせた場合のカッタードラム部分の
拡大図である。FIG. 2 is an enlarged view of a cutter drum part when a cutting surface cleaning jig is combined with the continuous underground wall forming excavator shown in FIG.
【図３】図２の側面図である。FIG. 3 is a side view of FIG. 2;
【図４】本発明に係る切削面清掃治具の正面図である。FIG. 4 is a front view of a cutting surface cleaning jig according to the present invention.
【図５】本発明に係る連続地中壁形成工法における第１
の工程を示す概略図である。FIG. 5 is a first diagram showing a continuous underground wall forming method according to the present invention;
It is the schematic which shows the process of.
【図６】本発明に係る連続地中壁形成工法における第２
の工程を示す概略図である。FIG. 6 is a second view of the continuous underground wall forming method according to the present invention.
It is the schematic which shows the process of.
１ 連続地中壁形成用掘削装置 ２ 切削面清掃治具 １１ カッタードラム １２ 吸引装置 １３ 本体部分 ２１ ブラシ ２２ 取付部材 １２１ 吸引口 DESCRIPTION OF SYMBOLS 1 Excavation apparatus for continuous underground wall formation 2 Cutting surface cleaning jig 11 Cutter drum 12 Suction device 13 Main body part 21 Brush 22 Mounting member 121 Suction port
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平７−34485（ＪＰ，Ａ) 実開 平４−77636（ＪＰ，Ｕ) 特公 昭49−249（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.6，ＤＢ名) E02F 5/02 E02D 5/20 103 E02D 5/18 103 ──────────────────────────────────────────────────続 き Continued from the front page (56) References JP-A-7-34485 (JP, A) JP-A-4-77636 (JP, U) JP-B-49-249 (JP, B1) (58) Survey Field (Int.Cl. 6 , DB name) E02F 5/02 E02D 5/20 103 E02D 5/18 103
Claims (4)
引装置と、本体部分とを有し、切削面清掃治具が組み合
わされる連続地中壁掘削装置であって、 前記２つのカッタードラムは、前記本体部分の下部にお
いて回転軸が平行となるように併設され、互いに逆方向
に回転駆動されるものであり、 前記吸引装置は、吸引口が前記カッタードラムの間に位
置しており、 前記切削面清掃治具は、複数のブラシと、取付部材とを
含んでおり、 前記複数のブラシのそれぞれは、前記取付部材の上に互
いに間隔を隔てて取り付けられており、 前記取付部材は、可撓性を有し、前記カッタードラムの
外周面に巻付け得る連続地中壁形成用掘削装置。1. A continuous underground wall excavation device having at least two cutter drums, a suction device, and a main body portion, wherein a cutting surface cleaning jig is combined with the continuous underground wall excavation device. At the lower part of the portion, the rotation axes are provided in parallel so that they are parallel to each other, and are driven to rotate in opposite directions. The suction device has a suction port located between the cutter drums, and the cutting surface cleaning. The jig includes a plurality of brushes and a mounting member. Each of the plurality of brushes is mounted on the mounting member at an interval from each other, and the mounting member has flexibility. An excavating device for forming a continuous underground wall that can be wound around the outer peripheral surface of the cutter drum.
いられる切削面清掃治具であって、 複数のブラシと、取付部材とを含んでおり、 前記複数のブラシのそれぞれは、前記取付部材の上に互
いに間隔を隔てて取り付けられており、 前記取付部材は、可撓性を有する切削面清掃治具。2. A cutting surface cleaning jig used in combination with a continuous underground wall forming excavator, comprising: a plurality of brushes; and a mounting member, wherein each of the plurality of brushes includes A mounting surface cleaning jig, which is mounted on a member at an interval from each other, and wherein the mounting member has flexibility.
続地中壁形成工法。3. A continuous underground wall forming method using the continuous underground wall forming excavator according to claim 1.
法であって、２つの工程を含んでおり、 第１の工程は、前記切削面清掃治具を持たない前記連続
地中壁形成用掘削装置を用い、先行エレメント間の土砂
を掘削すると共に、前記先行エレメントのコンクリート
壁面をカッティングし、それによって生じた生成物を吸
引し、かつ、排出する工程であり、 第２の工程は、前記第１の工程の後、前記切削面清掃治
具を前記カッタードラムに取り付けて先行エレメントの
切削面を清掃し、それによって生じた生成物を吸引し、
かつ、排出する工程である連続地中壁形成工法。4. The continuous underground wall forming method according to claim 3, comprising two steps, wherein the first step is the continuous underground wall without the cutting surface cleaning jig. Using a forming excavator, excavating earth and sand between the preceding elements, cutting the concrete wall surface of the preceding element, sucking and discharging a product generated thereby, and a second step is: After the first step, attaching the cutting surface cleaning jig to the cutter drum to clean the cutting surface of the preceding element, and aspirate the resulting product;
In addition, a continuous underground wall forming method that is a step of discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20122295A JP2896105B2 (en) | 1995-08-07 | 1995-08-07 | Drilling equipment for continuous underground wall formation, cutting surface cleaning jig, and continuous underground wall formation method using them |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20122295A JP2896105B2 (en) | 1995-08-07 | 1995-08-07 | Drilling equipment for continuous underground wall formation, cutting surface cleaning jig, and continuous underground wall formation method using them |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0949249A JPH0949249A (en) | 1997-02-18 |
| JP2896105B2 true JP2896105B2 (en) | 1999-05-31 |
Family
ID=16437367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20122295A Expired - Lifetime JP2896105B2 (en) | 1995-08-07 | 1995-08-07 | Drilling equipment for continuous underground wall formation, cutting surface cleaning jig, and continuous underground wall formation method using them |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2896105B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005006A (en) * | 2019-04-26 | 2019-07-12 | 广州筑金基础工程机械技术有限责任公司 | Configure the slotter of hob device |
| CN114808981B (en) * | 2022-05-07 | 2023-10-27 | 上海市基础工程集团有限公司 | Rotary floor wall brush for underground diaphragm wall |
-
1995
- 1995-08-07 JP JP20122295A patent/JP2896105B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0949249A (en) | 1997-02-18 |
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