JP3080780B2 - How to replace shield excavator - Google Patents
How to replace shield excavatorInfo
- Publication number
- JP3080780B2 JP3080780B2 JP14749692A JP14749692A JP3080780B2 JP 3080780 B2 JP3080780 B2 JP 3080780B2 JP 14749692 A JP14749692 A JP 14749692A JP 14749692 A JP14749692 A JP 14749692A JP 3080780 B2 JP3080780 B2 JP 3080780B2
- Authority
- JP
- Japan
- Prior art keywords
- shield excavator
- excavation
- diameter
- circle
- normal
- 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 - Fee Related
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、シールド掘削機の換装
方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for replacing a shield excavator.
【０００２】[0002]
【従来の技術】従来のシールド掘削機の換装方法を図３
により説明すると、０１、０１が側方掘削用単円シール
ド掘削機、０８が通常径掘削用単円シールド掘削機であ
る。上記各側方掘削用単円シールド掘削機０１は、地山
を掘削するカッターヘッド０２と、送泥管（図示せず）
により加圧泥水を満たしたチャンバー０３と、上記カッ
ターヘッド０２を駆動する駆動部０４と、シールド掘削
機本体０５と、セグメント（図示せず）に反力をとって
シールド掘削機本体０５を前進させるシールドジャッキ
（図示せず）と、掘削した土砂を排出する排泥管（図示
せず）と、上記チャンバー０３と上記駆動部０４との間
に形成した切欠部０６と、同駆動部０４よりも後方のシ
ールド掘削機本体０５後部に形成した切欠部０７とによ
り構成されている。2. Description of the Related Art FIG.
In the description, 01 and 01 are single circular shield excavators for side excavation, and 08 is a single circular shield excavator for normal diameter excavation. The single circular shield excavator 01 for each side excavation includes a cutter head 02 for excavating the ground, and a mud pipe (not shown).
, A driving section 04 for driving the cutter head 02, a shield excavator body 05, and a shield excavator body 05 that is moved forward by applying a reaction force to a segment (not shown). A shield jack (not shown), a mud pipe (not shown) for discharging excavated earth and sand, a notch portion 06 formed between the chamber 03 and the driving portion 04, A notch 07 is formed at the rear of the rear shield excavator body 05.
【０００３】上記各側方掘削用単円シールド掘削機０１
は、拡径予定地に掘った立坑内に入れて、上記通常径掘
削用単円シールド掘削機０８が到達できる間隔Ｄ2 を隔
てて、待機している。上記通常径掘削用単円シールド掘
削機８は、地山を掘削するカッターヘッド０２と、送泥
管（図示せず）により加圧泥水を満たしたチャンバー０
３と、上記カッターヘッド０２を駆動する駆動部０４
と、シールド掘削機本体０５と、セグメント（図示せ
ず）に反力をとってシールド掘削機本体０５を前進させ
るシールドジャッキ（図示せず）とにより構成されてい
る。The above-mentioned single circular shield excavator 01 for lateral excavation
Is placed in a pit dug in the diameter expansion scheduled destinations, the normal diameter drilling for single circle shield excavator 08 at a distance D 2 that can be reached, is waiting. The single-circle shield excavator 8 for normal diameter excavation includes a cutter head 02 for excavating the ground, and a chamber 0 filled with pressurized muddy water by a mud pipe (not shown).
3 and a driving unit 04 for driving the cutter head 02
And a shield jack (not shown) for moving the shield excavator body 05 forward by taking a reaction force on a segment (not shown).
【０００４】同通常径掘削用単円シールド掘削機０８
は、通常径のトンネルを掘削して、拡径予定地に達した
ときに、同通常径掘削用単円シールド掘削機０８を停止
させ、次いで同通常径掘削用単円シールド掘削機０８の
０９、０１０部分を切削除去し、次いで各側方掘削用単
円シールド掘削機０１を矢印Ａ方向に横移動させ、通常
径掘削用単円シールド掘削機０８と各側方掘削用単円シ
ールド掘削機０１とを合体接合させて、多円径シールド
掘削機に換装している。[0004] Single-circle shield excavator 08 for the same diameter drilling
Stops the normal diameter excavation single-circle shield excavator 08 when the tunnel of the normal diameter is excavated and reaches the planned diameter expansion site, and then 09 of the normal diameter excavation single-circle shield excavator 08 , 010 are removed by cutting, and then the single-circle shield excavator for lateral excavation 01 is laterally moved in the direction of arrow A, and the single-circle shield excavator 08 for normal-diameter excavation and the single-circle shield excavator for each lateral excavation are removed. 01 and joined together, and replaced with a multi-circle-diameter shield excavator.
【０００５】[0005]
【発明が解決しようとする課題】前記図３に示す従来の
シールド掘削機の換装方法では、側方掘削用単円シール
ド掘削機０１のチャンバー０３と駆動部０４との間に形
成した切欠部０６に、通常径掘削用単円シールド掘削機
０８のカッターヘッド０２とチャンバー０３とを嵌め込
みんで、多円径シールド掘削機に換装しているので、拡
径予定地の換装スペースＤ1 ＋Ｄ2 ＋Ｄ1 が非常に大き
く、拡径予定地の工事が大掛かりになって、工事費が嵩
む。In the conventional shield excavator replacement method shown in FIG. 3, the notch 06 formed between the chamber 03 and the drive unit 04 of the single circular shield excavator 01 for side excavation. In this case, the cutter head 02 and the chamber 03 of the single-circle shield excavator 08 for normal diameter excavation are fitted to each other, and the multi-circle shield excavator is replaced, so that the replacement space D 1 + D 2 + D 1 at the place where the diameter is to be enlarged is increased. Is very large, and the construction work on the site where the diameter is to be expanded becomes large, and the construction cost increases.
【０００６】また次の問題があった。即ち、軟弱な土質
を掘削する場合には、カッターヘッド０２の支持部にセ
ンタシヤフトタイプのものを使用し（図６参照）、軟弱
な土質以外の土質を掘削する場合には、カッターヘッド
０２の支持部に中間支持タイプのもの（図７参照）また
は中央支持タイプのもの（図８参照）を使用するが、上
記のように側方掘削用単円シールド掘削機０１のチャン
バー０３と駆動部０４との間に形成した切欠部０６に、
通常径掘削用単円シールド掘削機０８のカッターヘッド
０２とチャンバー０３とを嵌め込みんで、多円径シール
ド掘削機に換装するので、センタシヤフトタイプのもの
には、適用できても、中間支持タイプまたは中央支持タ
イプのものには、適用できないという問題があった。Further, there is the following problem. That is, when excavating soft soil, a center shaft type is used for the support portion of the cutter head 02 (see FIG. 6). When excavating soil other than soft soil, the cutter head As the supporting portion, an intermediate supporting type (see FIG. 7) or a center supporting type (see FIG. 8) is used. As described above, the chamber 03 and the driving portion 04 of the single circular shield excavator 01 for side excavation are used as described above. In the notch 06 formed between
Since the cutter head 02 and the chamber 03 of the single-circle shield excavator 08 for normal diameter excavation are fitted and replaced with a multi-circle shield excavator, even if it can be applied to a center shaft type, it can be applied to an intermediate support type or There was a problem that it could not be applied to the center support type.
【０００７】本発明は前記の問題点に鑑み提案するもの
であり、その目的とする処は、拡径予定地の換装スペー
スを小さくできて、拡径予定地の工事費を節減できる。
またカッターヘッド支持方式に制約されずに、通常径掘
削用単円シールド掘削機と側方掘削用単円シールド掘削
機とを合体接合できるシールド掘削機の換装方法を提供
しようとする点にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to reduce the space required for replacement of an area to be expanded and to reduce the construction cost of the area to be expanded.
It is another object of the present invention to provide a method of replacing a shield excavator capable of uniting and joining a single-diameter shield excavator for normal diameter excavation and a single-circle shield excavator for side excavation without being restricted by a cutter head support method.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明のシールド掘削機の換装方法は、通常径掘
削用単円シールド掘削機により通常径のトンネルを掘削
しながら拡径予定地に到達したときに、同通常径掘削用
単円シールド掘削機を停止させ、次いで同通常径掘削用
単円シールド掘削機の駆動部よりも後方のテール部の側
部を切欠いて切欠部を形成し、次いで駆動部よりも後方
のテール部の側部に切欠部を予め設けている側方掘削用
単円シールド掘削機を上記通常径掘削用単円シールド掘
削機に向かい横移動させ、これら単円シールド掘削機を
上記各切欠部を介し合体接合させて、多円形シールド掘
削機に換装することを特徴としている。In order to achieve the above object, a method for replacing a shield excavator according to the present invention is to expand a diameter of a normal diameter tunnel while excavating a tunnel of a normal diameter using a single circular shield excavator for normal diameter excavation. When reaching the ground, stop the single-circle shield excavator for the same diameter drilling, then cut off the side of the tail part behind the drive unit of the single-circle shield drilling machine for the same diameter drilling to cut out the notch. Formed, and then laterally move the single-circle shield excavator for side excavation, which is provided with a notch in advance on the side of the tail portion behind the drive unit, toward the single-circle shield excavator for normal diameter excavation, The present invention is characterized in that a single circular shield excavator is united and joined via the above-mentioned notches, and is replaced with a multicircular shield excavator.
【０００９】[0009]
【作用】本発明のシールド掘削機の換装方法は前記のよ
うに構成されており、通常径掘削用単円シールド掘削機
により通常径のトンネルを掘削しながら拡径予定地に到
達したときに、同通常径掘削用単円シールド掘削機を停
止させ、次いで同通常径掘削用単円シールド掘削機の駆
動部よりも後方のテール部の側部を切欠いて切欠部を形
成し、次いで駆動部よりも後方のテール部の側部に切欠
部を予め設けている側方掘削用単円シールド掘削機を上
記通常径掘削用単円シールド掘削機に向かい横移動さ
せ、これら単円シールド掘削機を上記各切欠部を介し合
体接合させて、多円形シールド掘削機に換装する。The shield excavator replacement method of the present invention is configured as described above. When a normal-diameter tunnel is digged by a single-diameter shield excavator for normal-diameter excavation and reaches a planned diameter-expanding site, Stop the single-circle shield excavator for the same-diameter excavation, then cut out the side of the tail part behind the drive unit of the single-circle shield excavator for the same-diameter excavation to form a notch, and then Also move the single-circle shield excavator for side excavation, which is provided with a notch on the side of the rear tail part in advance, toward the single-circle shield excavator for normal-diameter excavation, They are joined and joined via the notches, and are replaced with a multi-circular shield excavator.
【００１０】[0010]
【実施例】次に本発明のシールド掘削機の換装方法に適
用するシールド掘削機の一実施例を図１、図２により説
明すると、１、１が側方掘削用単円シールド掘削機、８
が通常径掘削用単円シールド掘削機である。上記各側方
掘削用単円シールド掘削機１は、地山を掘削するカッタ
ーヘッド２と、送泥管（図示せず）により加圧泥水を満
たしたチャンバー３と、上記カッターヘッド２を駆動す
る駆動部４と、シールド掘削機本体５と、セグメント１
２に反力をとってシールド掘削機本体５を前進させるシ
ールドジャッキ１１と、掘削した土砂を排出する排泥管
（図示せず）と、上記駆動部４よりも後方のシールド掘
削機本体５後部（側部）に形成した切欠部７とにより構
成されている。1 and 2, a description will be given of an embodiment of a shield excavator applied to a method for retrofitting a shield excavator according to the present invention.
Is a single circle shield excavator for normal diameter excavation. The single circular shield excavator 1 for each side excavation drives a cutter head 2 for excavating the ground, a chamber 3 filled with pressurized muddy water by a mud pipe (not shown), and the cutter head 2. Drive unit 4, shield excavator body 5, segment 1
2, a shield jack 11 for advancing the shield excavator body 5 by a reaction force, a mud pipe (not shown) for discharging excavated earth and sand, and a rear portion of the shield excavator body 5 behind the drive unit 4. (A side portion).
【００１１】上記各側方掘削用単円シールド掘削機１
は、拡径予定地に掘った立坑内に入れて、上記通常径掘
削用単円シールド掘削機８が到達できる間隔Ｄ2 を隔て
て、待機している。上記通常径掘削用単円シールド掘削
機８は、地山を掘削するカッターヘッド２と、送泥管
（図示せず）により加圧泥水を満たしたチャンバー３
と、上記カッターヘッド２を駆動する駆動部４と、シー
ルド掘削機本体５とにより構成されている。The above-mentioned single circular shield excavator 1 for side excavation
Is placed in a pit dug in the diameter expansion scheduled locations, the normal diameter drilling single circular shield excavator 8 is spaced D 2 that can be reached, waiting. The single-circle shield excavator 8 for normal diameter excavation includes a cutter head 2 for excavating the ground and a chamber 3 filled with pressurized muddy water by a mud pipe (not shown).
And a drive unit 4 for driving the cutter head 2 and a shield excavator body 5.
【００１２】次に本発明のシールド掘削機の換装方法を
図１、図２により具体的に説明すると、各側方掘削用単
円シールド掘削機１、１が拡径予定地に掘った立坑内に
入って、通常径掘削用単円シールド掘削機８が到達でき
る間隔Ｄ2 を隔てて、待機している（図１（ａ）（ｂ）
参照）。通常径掘削用単円シールド掘削機８が通常径の
トンネルを掘削して、拡径予定地に達したときに（図１
（ｃ）参照）、同通常径掘削用単円シールド掘削機８を
停止させ、次いで同通常径掘削用単円シールド掘削機８
の駆動部４よりも後方のテール部の側部を切欠いて切欠
部１３（図１、図２のＬ参照）を形成する。Next, a method for replacing a shield excavator according to the present invention will be described in detail with reference to FIGS. 1 and 2. enters the, usually diameter excavating single circular shield excavator 8 spaced D 2 that can be reached, is waiting (Fig. 1 (a) (b)
reference). When the single-circle shield excavator 8 for normal diameter excavation digs a tunnel with a normal diameter and reaches a planned expansion site (FIG. 1).
(C)), the single-circle shield excavator 8 for the normal diameter excavation is stopped, and then the single-circle shield excavator 8 for the same normal diameter excavation is stopped.
The notch 13 (see L in FIGS. 1 and 2) is formed by notching a side portion of the tail portion behind the drive unit 4 of FIG.
【００１３】次いで側方掘削用単円シールド掘削機１、
１、即ち、駆動部４よりも後方のテール部の側部に切欠
部７を予め設けている側方掘削用単円シールド掘削機
１、１を図１（ｄ）の矢印Ｂ方向に横移動させ、通常径
掘削用単円シールド掘削機８と各側方掘削用単円シール
ド掘削機１とを上記各切欠部７、１３を介して合体さ
せ、互いを溶接またはボルト等の締結手段により接合し
て、多円形シールド掘削機１４に換装する。Next, a single-circle shield excavator 1 for side excavation,
1, that is, the single-circle shield excavator 1 for side excavation in which the cutout 7 is provided in advance on the side of the tail part behind the drive unit 4 in the lateral direction in the direction of arrow B in FIG. Then, the single-circle shield excavator 8 for normal diameter excavation and the single-circle shield excavator 1 for side excavation are united through the respective cutouts 7 and 13 and joined to each other by fastening means such as welding or bolts. Then, the multi-circular shield excavator 14 is replaced.
【００１４】換装した多円径シールド掘削機１４は、通
常径掘削用単円シールド掘削機８と同様にチャンバー３
内の加圧泥水により切羽を安定させる一方、シールドジ
ャッキ１１を伸長方向に作動させ、セグメント１２によ
り反力をとって推進しながら、拡大部を掘削してゆく。
拡大予定地の掘削を終了したら、通常径掘削用単円シー
ルド掘削機８と各側方掘削用単円シールド掘削機１、１
との接合部を切断解体し、次いで通常径掘削用単円シー
ルド掘削機８の切欠部１３（図１、図２のＬ参照）にそ
れを塞ぐ部材を溶接接合して、それからは通常径掘削用
単円シールド掘削機８により通常径のトンネルを掘削し
てゆく。The converted multi-circle shield excavator 14 has a chamber 3 similar to the single-circle shield excavator 8 for normal diameter excavation.
While the face is stabilized by the pressurized muddy water inside, the enlarged portion is excavated while the shield jack 11 is actuated in the extension direction and the segment 12 takes a reaction force to propel.
When the excavation of the expansion site is completed, the single-circle shield excavator 8 for normal-diameter excavation and the single-circle shield excavators 1 and
Is cut and disassembled, and then a member for closing it is welded to the notch 13 (see L in FIGS. 1 and 2) of the single-diameter shield excavator 8 for normal diameter excavation. The tunnel with the normal diameter is excavated by the single circular shield excavator 8.
【００１５】[0015]
【発明の効果】本発明のシールド掘削機の換装方法は前
記のように通常径掘削用単円シールド掘削機により通常
径のトンネルを掘削しながら拡径予定地に到達したとき
に、同通常径掘削用単円シールド掘削機を停止させ、次
いで同通常径掘削用単円シールド掘削機の駆動部よりも
後方のテール部の側部を切欠いて切欠部を形成し、次い
で駆動部よりも後方のテール部の側部に切欠部を予め設
けている側方掘削用単円シールド掘削機を上記通常径掘
削用単円シールド掘削機に向かい横移動させ、これら単
円シールド掘削機を上記各切欠部を介し合体接合させ
て、多円形シールド掘削機に換装するので、側方掘削用
単円シールド掘削機の横移動量を従来の換装方法に比べ
て小さくできる。そのため、拡径予定地の換装スペース
を小さくできて、拡径予定地の工事費を節減できる。As described above, the method for retrofitting a shield excavator according to the present invention uses the single-diameter shield excavator for normal diameter excavation to excavate a tunnel having a normal diameter when reaching a place where the diameter is to be increased. Stop the single-circle shield excavator for excavation, then cut out the side of the tail part behind the drive unit of the single-circle shield excavator for normal diameter excavation to form a notch, and then The single-circle shield excavator for side excavation, which is provided with a notch in the side portion of the tail portion in advance, is laterally moved toward the single-circle shield excavator for normal-diameter excavation, and these single-circle shield excavators are moved to the respective notches. , And is replaced with a multi-circle shield excavator, so that the lateral movement amount of the single-circle shield excavator for side excavation can be reduced as compared with the conventional replacement method. Therefore, the replacement space at the planned diameter expansion site can be reduced, and the construction cost at the planned diameter expansion site can be reduced.
【００１６】また通常径掘削用単円シールド掘削機を側
方掘削用単円シールド掘削機の駆動部よりも後方の部分
に接合するので、カッターヘッド支持方式に制約されず
に、通常径掘削用単円シールド掘削機と側方掘削用単円
シールド掘削機とを合体接合できる。Further, since the single circle shield excavator for normal diameter excavation is joined to a portion behind the drive unit of the single circle shield excavator for side excavation, it is not restricted by the cutter head supporting method, and the normal diameter excavation is not restricted. The single circular shield excavator and the single circular shield excavator for side excavation can be united and joined.
【図１】本発明のシールド掘削機の換装方法の一実施例
を示す説明図である。FIG. 1 is an explanatory view showing one embodiment of a method for replacing a shield excavator according to the present invention.
【図２】図１（ｂ）の矢視Ｘ−Ｘ線に沿う縦断背面図で
ある。FIG. 2 is a longitudinal rear view taken along line XX of FIG. 1 (b).
【図３】図１の矢視Ｙ−Ｙ線に沿う縦断背面図である。FIG. 3 is a vertical sectional rear view taken along line YY in FIG. 1;
【図４】図１の矢視Ｚ−Ｚ線に沿う縦断背面図である。FIG. 4 is a longitudinal rear view taken along the line ZZ in FIG. 1;
【図５】従来のシールド掘削機の換装方法を示す説明図
である。FIG. 5 is an explanatory view showing a conventional method of replacing a shield excavator.
【図６】センタシヤフトタイプのカッターヘッド支持部
を示す側面図である。FIG. 6 is a side view showing a center shaft type cutter head support.
【図７】中間支持タイプのカッターヘッド支持部を示す
側面図である。FIG. 7 is a side view showing an intermediate support type cutter head support.
【図８】中央支持タイプのカッターヘッド支持部を示す
側面図である。FIG. 8 is a side view showing a center support type cutter head support.
１、１ 側方掘削用単円シールド掘削機 ２ カッターヘッド ３ チャンバー ４ カッターヘッド２の駆動部 ５ シールド掘削機本体 ７ 側方掘削用単円シールド掘削機１の切欠
部 ８ 通常径掘削用単円シールド掘削機 １１ シールドジャッキ １２ セグメント １３（Ｌ） 通常径掘削用単円シールド掘削機の切欠
部 １４ 多円形シールド掘削機DESCRIPTION OF SYMBOLS 1, 1 Single circle shield excavator for side excavation 2 Cutter head 3 Chamber 4 Drive unit of cutter head 2 5 Shield excavator body 7 Notch of single circle shield excavator 1 for side excavation 8 Single circle for normal diameter excavation Shield excavator 11 Shield jack 12 Segment 13 (L) Notch of single-circle shield excavator for normal diameter excavation 14 Multi-circle shield excavator
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E21D 9/08 E21D 9/06 301 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E21D 9/08 E21D 9/06 301
Claims (1)
通常径のトンネルを掘削しながら拡径予定地に到達した
ときに、同通常径掘削用単円シールド掘削機を停止さ
せ、次いで同通常径掘削用単円シールド掘削機の駆動部
よりも後方のテール部の側部を切欠いて切欠部を形成
し、次いで駆動部よりも後方のテール部の側部に切欠部
を予め設けている側方掘削用単円シールド掘削機を上記
通常径掘削用単円シールド掘削機に向かい横移動させ、
これら単円シールド掘削機を上記各切欠部を介し合体接
合させて、多円形シールド掘削機に換装することを特徴
としたシールド掘削機の換装方法。When a normal-diameter tunnel is digged by a normal-diameter single-circle shield excavator while arriving at a place to be expanded, the normal-diameter single-shield shield excavator is stopped. The notch is formed by notching the side portion of the tail portion behind the drive portion of the single-circle shield excavator for diameter excavation, and then the notch portion is provided in advance on the side portion of the tail portion behind the drive portion. The single circular shield excavator for one side excavation is moved laterally toward the single circular shield excavator for normal diameter excavation,
A method of exchanging a shield excavator, characterized in that these single-circle shield excavators are united and joined via each of the above-mentioned cutouts, and are replaced with a multi-circle shield excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14749692A JP3080780B2 (en) | 1992-06-08 | 1992-06-08 | How to replace shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14749692A JP3080780B2 (en) | 1992-06-08 | 1992-06-08 | How to replace shield excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05340185A JPH05340185A (en) | 1993-12-21 |
| JP3080780B2 true JP3080780B2 (en) | 2000-08-28 |
Family
ID=15431703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14749692A Expired - Fee Related JP3080780B2 (en) | 1992-06-08 | 1992-06-08 | How to replace shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3080780B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6609797B2 (en) | 1999-01-29 | 2003-08-26 | Ricoh Co., Ltd | Projector with adjustably positioned image plate |
-
1992
- 1992-06-08 JP JP14749692A patent/JP3080780B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6609797B2 (en) | 1999-01-29 | 2003-08-26 | Ricoh Co., Ltd | Projector with adjustably positioned image plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05340185A (en) | 1993-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5015868B2 (en) | Tunnel excavator | |
| JP3080780B2 (en) | How to replace shield excavator | |
| JP4797124B2 (en) | Excavation mechanism and machine | |
| JP3512012B2 (en) | How to excavate | |
| JP2673940B2 (en) | How to build a horizontal plate-like structure in the ground | |
| JP3963566B2 (en) | Cutter head and obstacle cutting method | |
| JP3830917B2 (en) | Tunnel excavator for pipe formation | |
| JP7465831B2 (en) | Excavator | |
| JP4842650B2 (en) | Tunnel excavator | |
| JP2006009468A (en) | Driving method of inner excavation type steel pipe sheet pile and the steel pipe sheet pile used therefor | |
| JPH07119866A (en) | Laying construction method of underground buried pipe | |
| JP7465832B2 (en) | Excavator | |
| JP2512383B2 (en) | Pipe and pipe roof construction method using the same | |
| JP2008303681A (en) | Excavation mechanism and excavation method | |
| JP3473915B2 (en) | Small diameter pipe burial method | |
| JPH0227033Y2 (en) | ||
| JP2516582B2 (en) | Tunnel construction method | |
| JP3161691B2 (en) | Underground buried body drilling equipment | |
| JP3093437B2 (en) | Shield machine | |
| JPS62220693A (en) | Enlarging shield construction method and apparatus | |
| JP2955692B2 (en) | Tunnel lining method | |
| JPH0115756Y2 (en) | ||
| JPS62258094A (en) | Method of underground joining construction of shield-tunnel | |
| JP3418286B2 (en) | Excavator | |
| JPH07324591A (en) | Shield working construction method in compliance with varying soil nature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000516 |
|
| LAPS | Cancellation because of no payment of annual fees |