JPH09242462A - Clearance shielding machine and excavating method of liner clearance - Google Patents
Clearance shielding machine and excavating method of liner clearanceInfo
- Publication number
- JPH09242462A JPH09242462A JP8050112A JP5011296A JPH09242462A JP H09242462 A JPH09242462 A JP H09242462A JP 8050112 A JP8050112 A JP 8050112A JP 5011296 A JP5011296 A JP 5011296A JP H09242462 A JPH09242462 A JP H09242462A
- Authority
- JP
- Japan
- Prior art keywords
- gantry
- movable
- excavator
- gap
- shield machine
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、超大断面の矩形
トンネルを構築するに際し、複数の矩形シールドで所望
するトンネルの外郭を先行構築する場合に発生する各ラ
イナー間の隙間を掘削する隙間シールド機とその掘削方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gap shield machine for excavating a gap between liners which occurs when a desired outer shell of a tunnel is constructed in advance by constructing a rectangular tunnel having an ultra-large cross section. And how to excavate it.
【０００２】[0002]
【従来の技術】最近の土木技術に至っては、高さ３５ｍ
以上で幅員が３０ｍ以上にもなる大規模な超大断面の矩
形トンネルである道路トンネルが施工されるようにな
り、経済上にもたらす役割の重要性は極めて大きいもの
がある。2. Description of the Related Art Recent civil engineering techniques have a height of 35 m.
With the above, a road tunnel, which is a large-scale rectangular tunnel with an ultra-large cross section and a width of 30 m or more, has been constructed, and the role that it brings to the economy is extremely important.
【０００３】このような超大断面の矩形トンネルを効率
良く施工する方法として、特開平５−２８０２９６号公
報に開示されている方法がある。この方法は、所望する
矩形トンネルの外郭を従来のシールド工法により先行構
築し、その後、その内側の所望する矩形トンネルを掘削
する方法である。この方法によれば、従来のシールド工
法を利用しながらも、変断面トンネル、急曲線、トンネ
ル分岐・合流が可能となり、水密性に優れることは勿
論、裏込め注入も有効に行え、安全で短工期を実現でき
る。As a method for efficiently constructing such a rectangular tunnel having an ultra-large cross section, there is a method disclosed in Japanese Patent Laid-Open No. 5-280296. This method is a method in which an outer shell of a desired rectangular tunnel is preliminarily constructed by a conventional shield construction method and then a desired rectangular tunnel inside thereof is excavated. According to this method, while using the conventional shield construction method, tunnels with variable cross sections, sharp curves, tunnel branching and merging are possible, and in addition to being excellent in watertightness, backfilling injection can also be effectively performed, which is safe and short. The construction period can be realized.
【０００４】[0004]
【発明が解決しようとする課題】ところで、前記した工
法を実現するためには、接続するライナー間の隙間を合
理的に掘削する方法が不可欠である。この掘削は、現在
の検討段階においては、薬液注入による地盤改良後、ミ
ニバックホウや人力により行うしかなく、多くの時間や
費用がかかることは明らかであった。By the way, in order to realize the above-mentioned construction method, it is essential to rationally excavate the gap between the liners to be connected. It is clear that this excavation requires a lot of time and cost only in the present examination stage after the ground improvement by the chemical solution injection and the mini backhoe or human power.
【０００５】そこで、今回の発明では、前記した問題を
解決すべく、図４に示す縦方向のライナー隙間４２を掘
削する隙間シールド機とその掘削方法を提供することを
目的とし、開発したものである。In view of the above, the present invention has been developed with the object of providing a gap shield machine for excavating the liner gap 42 in the vertical direction shown in FIG. is there.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、図１に示すように、架台１１と、推進ジ
ャッキ１２、架台前部の上下左右に移動自在な掘削機１
３、上部回転掘削機１５を先端に有する架台上方の可動
フード１４、架台下方の可動摺動体１６、架台後方下部
の上下可動な下部回転掘削機１７、掘削土砂搬出機１８
よりなる、隙間シールド機を構成するものである。In order to achieve the above object, the present invention, as shown in FIG. 1, is a pedestal 11, a propulsion jack 12, and an excavator 1 which is movable up and down and left and right at the front of the gantry.
3, a movable hood 14 having an upper rotary excavator 15 at the tip above the gantry, a movable sliding body 16 below the gantry, a lower rotary excavator 17 at the lower rear of the gantry, which is vertically movable, and an excavating earth and sand carrier 18.
Which constitutes a gap shield machine.
【０００７】また、図１、図２及び図３に示すように、
架台１１に、左右方向姿勢制御装置２１及び同２２を設
けたことを特徴とする、隙間シールド機を構成するもの
である。また、図１及び図３に示すように、架台下方の
可動摺動体１６に、上下方向姿勢制御装置２３を設けた
ことを特徴とする、隙間シールド機を構成するものであ
る。また、図１において、架台前部の上下左右に移動自
在な掘削機１３において、気体吐出口１３ａを設けたこ
とを特徴とする、隙間シールド機を構成するものであ
る。また、図１において、架台１１の後部開口部に、開
閉式扉２４を設けたことを特徴とする、隙間シールド機
を構成するものである。Further, as shown in FIGS. 1, 2 and 3,
The gantry 11 is provided with the left-right direction attitude control devices 21 and 22 and constitutes a gap shield machine. Further, as shown in FIGS. 1 and 3, the movable shield 16 under the gantry is provided with a vertical posture control device 23, which constitutes a gap shield machine. Further, in FIG. 1, the gap shield machine is characterized in that a gas discharge port 13a is provided in the excavator 13 which is movable in the vertical and horizontal directions of the front part of the gantry. Further, in FIG. 1, an opening / closing door 24 is provided at the rear opening of the gantry 11 to constitute a gap shield machine.
【０００８】また、以下の第１工程〜第４工程の各工程
からなる、図４に示すライナー隙間４２の掘削方法であ
る。 （１）隙間シールド機を、固定された反力受け材３１で
反力を取りながら、推進ジャッキ１２でライナー隙間４
２に推進し、架台１１前部の上下左右に移動自在な掘削
機１３により掘削を行う第１工程。 （２）掘削に併せて、架台上方の可動フード１４及び架
台下方の可動摺動体１６を貫入し、架台上方の可動フー
ド１４に設けられた上部回転掘削機１５及び架台後方下
部の上下可動な下部回転掘削機１７により、掘削を行う
第２工程。 （３）掘削された土砂を、掘削土砂搬出機１８により搬
出する第３工程。 （４）掘削後、架台上方の可動フード１４及び架台下方
の可動摺動体１６の内側で、ライナー隙間４２に山留め
材を架設し、裏込め注入を行う第４工程。A method of excavating the liner gap 42 shown in FIG. 4 is composed of the following first to fourth steps. (1) In the gap shield machine, while the reaction force is received by the fixed reaction force receiving material 31, the liner gap 4 is set by the propulsion jack 12.
The first step of excavating by the excavator 13 propelled to No. 2 and movable vertically and horizontally to the front of the gantry 11. (2) Along with the excavation, the movable hood 14 above the gantry and the movable sliding body 16 below the gantry are penetrated, and the upper rotary excavator 15 provided on the movable hood 14 above the gantry and the vertically movable lower part behind the gantry. The second step of excavating with the rotary excavator 17. (3) A third step in which the excavated earth and sand is carried out by the excavated earth and sand carrier 18. (4) A fourth step in which after excavation, a mountain retaining material is installed in the liner gap 42 inside the movable hood 14 above the gantry and the movable sliding body 16 below the gantry, and backfilling injection is performed.
【０００９】[0009]
【発明の実施の形態】次に添付図面に基づき、この発明
の実施の形態を説明する。図１は、隙間シールド機の側
面図、図２は、当該シールド機の平面図、図３は、当該
シールド機の正面図、図４は、前記工法により施工され
た矩形トンネルの断面鳥瞰図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described with reference to the accompanying drawings. 1 is a side view of the gap shield machine, FIG. 2 is a plan view of the shield machine, FIG. 3 is a front view of the shield machine, and FIG. 4 is a cross-sectional bird's-eye view of a rectangular tunnel constructed by the construction method. .
【００１０】請求項１に記載の発明である、隙間シール
ド機の実施の形態を、図１に基づいて説明する。架台１
１は、ライナー４１の高さに合わせてその高さを構成
し、ライナー隙間４２の幅に合わせてその幅を構成す
る。推進ジャッキ１２は、反力受け材３１より反力をと
りながら架台１１を推進するために、架台１１中に設け
る。図２に示す実施例では、推進ジャッキ１２は、架台
上部の１本及び架台下部の２本の計３本で構成されてい
るが、前記本数に限定されるものではない。反力受け材
３１は、ライナーのリブ、グリッパー、レールクランプ
あるいはアウトリガー等が考えられる。An embodiment of the gap shield machine according to the invention of claim 1 will be described with reference to FIG. Stand 1
1 has its height configured according to the height of the liner 41, and its width configured according to the width of the liner gap 42. The propulsion jack 12 is provided in the gantry 11 in order to propel the gantry 11 while taking a reaction force from the reaction force receiving member 31. In the embodiment shown in FIG. 2, the propulsion jack 12 is composed of one on the pedestal upper part and two on the pedestal lower part, which is a total of three, but the number is not limited to the above number. The reaction force receiving member 31 may be a liner rib, a gripper, a rail clamp, an outrigger, or the like.
【００１１】掘削機１３は、ライナー隙間４２の土砂の
掘削のため、架台前部に、上下左右に移動自在となるよ
うに設けられている。上下方向の移動は上下ジャッキ１
３ｂにより行い、左右方向の移動は旋回ジャッキ１３ｃ
により行い、その振れ幅は、振れ幅調整機構により調整
される。掘削機１３は、油圧モータや電動モータ等によ
って回転し、先端に設けられたカッター等により、掘削
を行う。架台上方には、フードジャッキ１４ａによって
前方に可動し、掘削部の山留めをする、可動フード１４
を設けた。この可動フード１４は機長分の長さを有し、
後方部では支保工作業の安全を確保する。可動フード１
４には、上部回転掘削機１５を設けた。これにより、Ｉ
字型の掘削を可能とし、山留め材架設のスペースを確保
する。上部回転掘削機１５には、円盤カッター等が用い
られる。The excavator 13 is provided in the front part of the gantry so as to be movable vertically and horizontally for excavating the earth and sand in the liner gap 42. Up and down jack 1 for vertical movement
3b, and the left and right movements are made by the turning jack 13c.
The swing width is adjusted by the swing width adjusting mechanism. The excavator 13 is rotated by a hydraulic motor, an electric motor, or the like, and excavates with a cutter or the like provided at the tip. A movable hood 14 that is movable forward by a hood jack 14a above the gantry to retain the excavated portion.
Was provided. This movable hood 14 has a length corresponding to the captain,
Secure the support work at the rear part. Movable hood 1
An upper rotary excavator 15 was provided at No. 4. This allows I
It enables excavation in a V shape and secures a space for erection material. A disk cutter or the like is used for the upper rotary excavator 15.
【００１２】架台下方には、摺動体ジャッキ１６ａによ
って可動し、掘削部の山留めをする、可動摺動体１６を
設けた。この可動摺動体１６は、掘削機１３の先端部が
円形であることに起因して構成される掘りむらを是正す
る役割も担う。従って、その先端部は、エッジ状に構成
される。架台後方下部には、下部山留め材架設のスペー
スを掘削するため、下部回転掘削機１７を設けた。この
下部回転掘削機１７は、各ライナー４１の配置に応じ
て、上下可動である。下部回転掘削機１７には、円盤カ
ッター等が用いられる。架台１１に、掘削土砂搬出機１
８を設けた。掘削機１３及び上部回転掘削機１５により
掘削された土砂は、掘削土砂搬出機１８により、架台後
方に搬出され、ベルトコンベアー３２や、鋼車によっ
て、坑外に搬出される。本発明は、以上の構成よりなる
ものである。A movable slide body 16 which is movable by a slide body jack 16a and clamps the excavation portion is provided below the gantry. The movable sliding body 16 also plays a role of correcting unevenness in excavation that is formed due to the circular tip portion of the excavator 13. Therefore, the tip portion is formed in an edge shape. A lower rotary excavator 17 is provided in the lower rear part of the gantry in order to excavate a space for installing the lower mountain retaining material. The lower rotary excavator 17 is vertically movable according to the arrangement of the liners 41. A disk cutter or the like is used for the lower rotary excavator 17. The excavated earth and sand carrier 1 is mounted on the frame 11.
8 were provided. The earth and sand excavated by the excavator 13 and the upper rotary excavator 15 are carried out to the rear of the gantry by the excavated earth and sand carry-out machine 18, and carried out of the mine by the belt conveyor 32 and the steel car. The present invention has the above configuration.
【００１３】請求項２に記載の発明である隙間シールド
機の実施の形態を、図１、図２及び図３に基づいて説明
する。矩形シールド機の施工誤差（ローリング）により
生ずる、ライナー隙間４２の変化や地盤改良ゾーンの大
きさの変化に対応し、シールド機の左右方向の姿勢を制
御すべく、架台１１の上部に左右方向姿勢制御装置２１
を、架台１１の中間部に同２２を設ける。左右方向姿勢
制御装置２１及び同２２には、ジャッキ等を用いること
が考えられる。An embodiment of the gap shield machine according to the present invention will be described with reference to FIGS. 1, 2 and 3. In order to respond to changes in the liner gap 42 and changes in the size of the ground improvement zone caused by the construction error (rolling) of the rectangular shield machine, the horizontal posture on the upper part of the gantry 11 is controlled in order to control the horizontal posture of the shield machine. Control device 21
Is provided in the middle part of the gantry 11. It is conceivable to use jacks or the like for the left-right direction attitude control devices 21 and 22.
【００１４】請求項３に記載の発明である隙間シールド
機の実施の形態を、図１及び図３に基づいて説明する。
矩形シールド機の施工誤差（上下蛇行）により生ずる、
ライナー隙間４２の変化や地盤改良ゾーンの大きさの変
化に対応し、シールド機の上下方向の姿勢を制御すべ
く、架台下方の可動摺動体１６に、上下方向姿勢制御装
置２３を設ける。上下方向姿勢制御装置２３には、ジャ
ッキにより可動するフラップ装置を用いることが考えら
れる。An embodiment of the gap shield machine according to the present invention will be described with reference to FIGS. 1 and 3.
It is caused by the construction error (vertical meandering) of the rectangular shield machine,
In order to control the vertical posture of the shield machine in response to changes in the liner gap 42 and changes in the size of the ground improvement zone, the movable slide body 16 below the gantry is provided with the vertical posture control device 23. A flap device that can be moved by a jack may be used as the vertical attitude control device 23.
【００１５】請求項４に記載の発明である隙間シールド
機の実施の形態を、図１に基づいて説明する。架台前部
の掘削機１３において、そのスクロール部１３ｄに複数
個の気体吐出口１３ａを設ける。気体吐出口１３ａよ
り、圧縮空気等を吐出すことにより、掘削土砂が掘削機
１３に付着するのを防止する。An embodiment of the gap shield machine according to the present invention will be described with reference to FIG. In the excavator 13 at the front of the gantry, the scroll portion 13d is provided with a plurality of gas discharge ports 13a. By discharging compressed air or the like from the gas discharge port 13a, it is possible to prevent the excavated soil from adhering to the excavator 13.
【００１６】請求項５に記載の発明である隙間シールド
機の実施の形態を、図１に基づいて説明する。非常時の
掘削土砂の侵入を防止し、作業員の安全を確保すべく、
架台１１の後部開口部に、開閉式扉２４を設ける。An embodiment of the gap shield machine according to the present invention will be described with reference to FIG. In order to prevent the intrusion of excavated earth and sand in an emergency and ensure the safety of workers,
An openable door 24 is provided at the rear opening of the gantry 11.
【００１７】請求項６に記載の発明であるシールド隙間
４２の掘削方法の実施の形態を、図１及び図４に基づい
て説明する。 （１）まず、ライナー４１に固定した反力受け材３１に
より反力をとりながら、推進ジャッキ１２で架台１１を
ライナー隙間４２に推進しつつ、掘削機１３によって、
ライナー隙間４２に存在する土砂の掘削を行う。この
際、掘削機１３は、上下ジャッキ１３ｂ及び旋回ジャッ
キ１３ｃにより上下左右に適宜移動しながら、ライナー
隙間４２の掘削を行う。これにより、トンネル外郭にお
ける既成のライナー４１間に、コンクリートを打設する
スペースが確保される。 （２）次いで、掘削に併せて、架台上方の可動フード１
４及び架台下方の可動摺動体１６をシールド隙間４２に
貫入し、架台上方の可動フード１４に設けられた上部回
転掘削機１５及び架台後方下部の上下可動な下部回転掘
削機１７により、掘削を行う。これにより、シールド隙
間４２の上部及び下部において、山留め材架設のスペー
スが確保される。An embodiment of the method for excavating the shield gap 42 according to the invention of claim 6 will be described with reference to FIGS. 1 and 4. (1) First, while the reaction force receiving member 31 fixed to the liner 41 generates a reaction force, the propelling jack 12 propels the gantry 11 into the liner gap 42, while the excavator 13
The earth and sand existing in the liner gap 42 is excavated. At this time, the excavator 13 excavates the liner gap 42 while moving vertically and horizontally by the upper and lower jacks 13b and the turning jack 13c. As a result, a space for placing concrete is secured between the existing liners 41 in the outer shell of the tunnel. (2) Next, along with the excavation, the movable hood 1 above the gantry
4 and the movable sliding body 16 below the gantry are penetrated into the shield gap 42, and excavation is performed by the upper rotary excavator 15 provided on the movable hood 14 above the gantry and the vertically movable lower rotary excavator 17 below the gantry. . As a result, a space for installing the mountain retaining material is secured in the upper part and the lower part of the shield gap 42.
【００１８】（３）次いで、掘削された土砂を、掘削土
砂搬出機１８により、架台後部に搬出し、その土砂をベ
ルトコンベアー３２により坑外に搬出する。 （４）その後、架台後部において、上方の可動フード１
４及び架台下方の可動摺動体１６の内側で、ライナー隙
間４２に山留め材を架設し、裏込め注入を行う。これに
より、山崩れが防止され、安全な施工が可能となる。(3) Next, the excavated earth and sand is carried out to the rear of the gantry by the excavated earth and sand carrier 18, and the earth and sand is carried out of the mine by the belt conveyor 32. (4) Then, in the rear part of the gantry, the upper movable hood 1
4 and inside the movable slide body 16 below the gantry, a mountain retaining material is erected in the liner gap 42 to perform backfill injection. This prevents landslides and enables safe construction.
【００１９】（５）以上の工程の後、隙間シールド機本
体を前進させて、（イ）に戻り作業を繰り返し、シール
ド隙間４２の掘削を連続的に行う。これにより、矩形シ
ールド機による掘削と同程度以上の掘削速度が確保で
き、工程の短縮ができる。 （６）なお、掘削途中におけるシールド隙間４２の変化
に対応して、左右方向姿勢制御装置２１及び同２２、上
下方向姿勢制御装置２３により、適宜姿勢制御を行う。(5) After the above steps, the main body of the gap shield machine is advanced and returned to (a) to repeat the work, and the shield gap 42 is continuously excavated. As a result, it is possible to secure an excavation speed equal to or higher than that of excavation by the rectangular shield machine and shorten the process. (6) In addition, in response to changes in the shield gap 42 during excavation, the left-right direction attitude control devices 21 and 22, and the up-down direction attitude control device 23 perform appropriate attitude control.
【００２０】[0020]
【発明の効果】この発明は、以上説明したような構成
で、隙間シールド機を構成し、シールド隙間掘削方法を
提供するので、次のような効果が期待できる。 （Ａ）本発明のような専用掘削機でシールド隙間を掘削
するので、矩形シールド機による掘削と同程度以上の掘
削速度が確保でき、工程の短縮ができる。また、施工方
法として高価である薬液注入による地盤改良を行う必要
が無いため、安価な施工が可能となる。さらに、ミニバ
ックホウや人手による掘削を行う必要が無いため、安全
な施工が可能となる。（Ｂ）上方に設けられた可動フー
ド及び下方に設けられた可動摺動体により、山留めを行
うことができ、安全な施工が可能となる。上部回転掘削
機及び下部回転掘削機により、山留め材架設のスペース
が確保される。As described above, according to the present invention, the gap shield machine is constructed and the shield gap excavating method is provided by the constitution as described above. Therefore, the following effects can be expected. (A) Since the shield gap is excavated by the dedicated excavator as in the present invention, the excavation speed equal to or higher than the excavation by the rectangular shield machine can be secured, and the process can be shortened. In addition, since it is not necessary to perform ground improvement by injecting a chemical solution, which is expensive as a construction method, it is possible to carry out the construction at low cost. Further, since there is no need to excavate by a mini backhoe or manually, safe construction is possible. (B) The movable hood provided on the upper side and the movable sliding body provided on the lower side make it possible to carry out mountain clamping, which enables safe construction. The upper rotary excavator and the lower rotary excavator secure a space for installing the retaining material.
【００２１】（Ｃ）姿勢制御装置により、ライナー隙間
の状況に応じて、隙間シールド機の姿勢制御が可能であ
り、安定した無駄のない施工が可能となる。掘削機に設
けた気体吐出口より気体を吐き出すことによって、掘削
機に土砂が付着するのを防止できる。開閉式扉を設けた
ことにより、非常時において土砂が流入するのを防止す
ることができ、作業員の安全が確保できる。(C) The posture control device can control the posture of the gap shield machine in accordance with the situation of the liner gap, which enables stable and waste-free construction. By discharging the gas from the gas discharge port provided in the excavator, it is possible to prevent the sediment from adhering to the excavator. By providing the openable door, it is possible to prevent the inflow of earth and sand in an emergency and ensure the safety of the worker.
【図１】隙間シールド機の側面図である。FIG. 1 is a side view of a gap shield machine.
【図２】隙間シールド機の平面図である。FIG. 2 is a plan view of a gap shield machine.
【図３】隙間シールド機の正面図である。FIG. 3 is a front view of a gap shield machine.
【図４】前記工法により施工された矩形トンネルの断面
鳥瞰図である。FIG. 4 is a cross-sectional bird's-eye view of a rectangular tunnel constructed by the construction method.
１１・・・・架台 １２・・・・推進ジャッキ １３・・・・掘削機 １３ａ・・・気体吐出口 １３ｂ・・・上下ジャッキ １３ｃ・・・旋回ジャッキ １３ｄ・・・スクロール部 １４・・・・可動フード １４ａ・・・フードジャッキ １５・・・・上部回転掘削機 １６・・・・可動摺動体 １６ａ・・・摺動体ジャッキ １７・・・・下部回転掘削機 １８・・・・掘削土砂搬出機 ２１・・・・左右方向姿勢制御装置 ２２・・・・左右方向姿勢制御装置 ２３・・・・上下方向姿勢制御装置 ２４・・・・開閉式扉 ３１・・・・反力受け材 ３２・・・・ベルトコンベアー ４１・・・・ライナー ４２・・・・ライナー隙間 11 ... Frame 12 Propulsion jack 13 Excavator 13a Gas outlet 13b Vertical jack 13c Swiveling jack 13d Scroll portion 14 ... Movable hood 14a ... Hood jack 15 ... Upper rotary excavator 16 ... Movable sliding body 16a ... Sliding body jack 17 ... Lower rotary excavator 18 ... Excavation sediment transporter 21 ... ・ Horizontal posture control device 22 ・ ・ ・ ・ ・ ・ Horizontal posture control device 23 ・ ・ ・ ・ Vertical posture control device 24 ・ ・ ・ ・ Opening / closing door 31 ・ ・ ・ ・ Reaction force receiving material 32 ・ ・.... Belt conveyor 41 ... Liner 42 ... Liner gap
───────────────────────────────────────────────────── フロントページの続き (72)発明者 渡辺 治 東京都新宿区西新宿一丁目25番１号 大成 建設株式会社内 (72)発明者 柳原 海二 東京都港区芝大門２−11−１ 日本鉱機株 式会社内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Osamu Watanabe 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation (72) Inventor Kaiji Yanagihara 2-11-1, Shibadaimon, Minato-ku, Tokyo Japan Mining equipment stock company
Claims (6)
左右に移動自在な掘削機、上部回転掘削機を先端に有す
る架台上方の可動フード、架台下方の可動摺動体、架台
後方下部の上下可動な下部回転掘削機、掘削土砂搬出機
よりなる、隙間シールド機。1. A gantry, a propulsion jack, an excavator that can move vertically and horizontally to the front of the gantry, a movable hood above the gantry that has an upper rotary excavator at its tip, a movable sliding body below the gantry, and an upper and lower bottom rear part of the gantry. A gap shield machine consisting of a movable lower rotary excavator and an excavated earth and sand excavator.
ことを特徴とする、請求項１に記載の、隙間シールド
機。2. The gap shield machine according to claim 1, wherein a horizontal posture control device is provided on the gantry.
制御装置を設けたことを特徴とする、請求項１ないし請
求項２に記載の、隙間シールド機。3. The gap shield machine according to claim 1, wherein the movable slide body under the gantry is provided with a vertical attitude control device.
において、気体吐出口を設けたことを特徴とする、請求
項１ないし請求項３に記載の、隙間シールド機。4. The gap shield machine according to claim 1, wherein a gas discharge port is provided in the excavator which is movable in the vertical and horizontal directions of the front part of the gantry.
ことを特徴とする、請求項１ないし請求項４に記載の、
隙間シールド機。5. The opening / closing door is provided in the rear opening of the gantry, according to claim 1,
Gap shield machine.
る、ライナー隙間の掘削方法。 （１）請求項１ないし請求項５に記載の、隙間シールド
機を、固定された反力受け材で反力を取りながら、推進
ジャッキで、ライナー隙間に推進し、架台前部の上下左
右に移動自在な掘削機により掘削を行う第１工程。 （２）掘削に併せて、架台上方の可動フード及び架台下
方の可動摺動体を貫入し、架台上部の可動フードに設け
られた上部回転掘削機及び架台後方下部の上下可動な下
部回転掘削機により、掘削を行う第２工程。 （３）掘削された土砂を、掘削土砂搬出機により搬出す
る第３工程。 （４）掘削後、架台上方の可動フード及び架台下方の可
動摺動体の内側で、ライナー隙間に山留め材を架設し、
裏込め注入を行う第４工程。6. A method of excavating a liner gap, which comprises the following first to fourth steps. (1) The gap shield machine according to any one of claims 1 to 5 is propelled into a liner gap by a propulsion jack while taking a reaction force with a fixed reaction force receiving material, and is vertically and horizontally on the front part of the gantry. The first step of excavating with a movable excavator. (2) Along with excavation, a movable hood above the gantry and a movable sliding body below the gantry are inserted, and an upper rotary excavator provided on the movable hood above the gantry and a vertically movable lower rotary excavator below the gantry. , The second step of excavating. (3) A third step of carrying out the excavated earth and sand with an excavated earth and sand carrier. (4) After excavation, a mountain retaining material is installed in the liner gap inside the movable hood above the gantry and the movable sliding body below the gantry,
Fourth step of backfill injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05011296A JP3749562B2 (en) | 1996-03-07 | 1996-03-07 | Crevice shield machine and liner excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05011296A JP3749562B2 (en) | 1996-03-07 | 1996-03-07 | Crevice shield machine and liner excavation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09242462A true JPH09242462A (en) | 1997-09-16 |
| JP3749562B2 JP3749562B2 (en) | 2006-03-01 |
Family
ID=12850025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05011296A Expired - Fee Related JP3749562B2 (en) | 1996-03-07 | 1996-03-07 | Crevice shield machine and liner excavation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3749562B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239226A (en) * | 2006-03-06 | 2007-09-20 | Okumura Corp | Drift excavator |
| KR100988205B1 (en) * | 2010-03-11 | 2010-10-18 | 박기운 | Propulsion device using culvert box |
| KR101023464B1 (en) * | 2010-07-05 | 2011-03-24 | 박기운 | Propulsion device using self- assembly structure |
| KR101048859B1 (en) * | 2010-07-01 | 2011-07-13 | 박기운 | Method for propelling using culvert box placed on roller and method using thereof |
| JP2013234504A (en) * | 2012-05-10 | 2013-11-21 | Mitsubishi Heavy Industries Mechatronics Systems Ltd | Widening device and widening method for existing tunnel |
-
1996
- 1996-03-07 JP JP05011296A patent/JP3749562B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239226A (en) * | 2006-03-06 | 2007-09-20 | Okumura Corp | Drift excavator |
| KR100988205B1 (en) * | 2010-03-11 | 2010-10-18 | 박기운 | Propulsion device using culvert box |
| KR101048859B1 (en) * | 2010-07-01 | 2011-07-13 | 박기운 | Method for propelling using culvert box placed on roller and method using thereof |
| KR101023464B1 (en) * | 2010-07-05 | 2011-03-24 | 박기운 | Propulsion device using self- assembly structure |
| JP2013234504A (en) * | 2012-05-10 | 2013-11-21 | Mitsubishi Heavy Industries Mechatronics Systems Ltd | Widening device and widening method for existing tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3749562B2 (en) | 2006-03-01 |
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