JPH0684713B2 - How to reach a shield machine from a concrete shaft - Google Patents
How to reach a shield machine from a concrete shaftInfo
- Publication number
- JPH0684713B2 JPH0684713B2 JP2162573A JP16257390A JPH0684713B2 JP H0684713 B2 JPH0684713 B2 JP H0684713B2 JP 2162573 A JP2162573 A JP 2162573A JP 16257390 A JP16257390 A JP 16257390A JP H0684713 B2 JPH0684713 B2 JP H0684713B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- shield machine
- shaft
- vertical
- shield
- 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
- 239000004567 concrete Substances 0.000 title claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、コンクリート製立坑からシールド掘進機を
発進させたり、コンクリート製立坑にシールド掘進機を
到達させたりするシールド掘進機発進到達方法に関する
ものである。Description: TECHNICAL FIELD The present invention relates to a shield machine starting and reaching method for starting a shield machine from a concrete shaft or for reaching a shield machine to a concrete shaft. Is.
従来、コンクリート製立坑からシールド掘進機を発進さ
せたり、コンクリート製立坑にシールド掘進機を到達さ
せたりする場合は、立坑の外側における発進到達位置の
地盤に薬液を注入するか、あるいはその地盤を凍結させ
ることにより、その地盤を安定させ、次に立坑の仮壁を
撤去したのち、シールド掘進機を発進または到達させて
いる。Conventionally, when starting a shield machine from a concrete shaft or reaching a shield machine to a concrete shaft, a chemical solution is injected into the ground at the starting position on the outside of the shaft or the ground is frozen. By doing so, the ground is stabilized, then the temporary wall of the shaft is removed, and then the shield machine is started or reached.
前記従来のシールド掘進機発進到達方法の場合は、広い
範囲にわたって地盤を安定させる必要があるため、多額
の費用がかかり、かつ地盤を安定させるのに長期間を要
し、また薬液注入の場合は、地盤安定の信頼性が低いと
いう問題がある。In the case of the conventional shield machine starting and reaching method, it is necessary to stabilize the ground over a wide range, so it costs a lot of money, and it takes a long time to stabilize the ground. However, there is a problem that the reliability of ground stability is low.
この発明は前述の問題を有利に解決できるコンクリート
製立坑のシールド掘進機発進到達方法を提供することを
目的とするものである。It is an object of the present invention to provide a method for starting and reaching a shield excavator for a concrete shaft that can advantageously solve the above-mentioned problems.
前記目的を達成するために、この発明のコンクリート製
立坑のシールド掘進機発進到達方法においては、コンク
リート製立坑１におけるシールド掘進機貫通用開口部２
内に、その開口部２を横断する複数のシース管３を、開
口部巾方向に間隔をおいて配置し、そのシース管３内に
鋼材４を挿入すると共に、その鋼材４の端部を立坑１に
係止し、前記開口部２内に硬化性低強度材料を充填して
仮壁５を構成し、シールド掘進機６が前記開口部から発
進するかまたはその開口部２内に到達するとき、前記鋼
材４をシース管３から抜き取り、次にシールド掘進機６
により前記仮壁５およびシース管３を切削して、シール
ド掘進機６を前記開口部２内に貫通させる。In order to achieve the above-mentioned object, in the method for starting and reaching a shield excavator for a concrete shaft according to the present invention, a shield excavator penetration opening 2 in a concrete shaft 1 is provided.
Inside, a plurality of sheath tubes 3 that cross the opening 2 are arranged at intervals in the width direction of the opening, a steel material 4 is inserted into the sheath tube 3, and the end of the steel material 4 is pitted. When the shield machine 6 starts from the opening or reaches the opening 2, the temporary wall 5 is formed by locking the curable low-strength material in the opening 2 , The steel material 4 is extracted from the sheath tube 3, and then the shield machine 6
Thus, the temporary wall 5 and the sheath tube 3 are cut, and the shield machine 6 is penetrated into the opening 2.
またコンクリート製立坑１に、シールド掘進機貫通用開
口部２を設け、前記立坑１の上端から立坑１の周壁を通
って前記開口部２の下部まで延長する複数の縦シース管
７を横方向に間隔をおいて設け、各縦シース管７内に挿
通した鋼棒８の下端の雄ねじ部を、前記開口部２の下部
に固定した雌ねじ部材９に螺合し、前記開口部２内に硬
化性低強度材料を充填して仮壁５を構成し、シールド掘
進機６が前記開口部２から発進するかまたはその開口部
２に到達するとき、前記鋼棒８を縦シース管７から抜き
取り、次にシールド掘進機６により前記仮壁５および縦
シース管７を切削して、シールド掘進機６を前記開口部
２内に貫通させることによっても前記目的を達成するこ
とができる。Further, a concrete shaft 1 is provided with an opening 2 for penetration of a shield machine, and a plurality of vertical sheath tubes 7 extending from the upper end of the shaft 1 to the lower part of the opening 2 through the peripheral wall of the shaft 1 in the lateral direction. The male screw portion at the lower end of the steel rod 8 which is provided at intervals and is inserted into each vertical sheath tube 7 is screwed into a female screw member 9 fixed to the lower portion of the opening portion 2 so as to be hardened in the opening portion 2. The low-strength material is filled to form the temporary wall 5, and when the shield machine 6 starts from the opening 2 or reaches the opening 2, the steel rod 8 is extracted from the vertical sheath tube 7, The above object can also be achieved by cutting the temporary wall 5 and the vertical sheath tube 7 with the shield machine 6 and penetrating the shield machine 6 into the opening 2.
次にこの発明を図示の例によって詳細に説明する。 The present invention will now be described in detail with reference to the illustrated example.
第１図ないし第６図は第１発明の実施例を示すものであ
って、まず第１図および第２図に示すように、鉄筋コン
クリートからなるコンクリート製立坑１における開口部
２内に、その開口部２を上下方向に横断する複数の低強
度材料製シース管３が、開口部巾方向（横方向）に間隔
をおいて配置され、かつ各シース管３の両端部は、立坑
１における開口部２の上側縁部および下側縁部の内側に
形成された突出部10に埋設され、各シース管３内にPCま
たはPC鋼線鋼棒からなる鋼材４が挿通され、その鋼材４
の突出端部に、鋼製支圧板11が嵌合されると共に、ナッ
トまたは圧着スリーブからなる定着具12が螺合され、前
記シールド部内に低強度コンクリートまたは低強度モル
タル等の硬化性低強度材料が充填されて仮壁５が構成さ
れ、その硬化性低強度材料が硬化したのち、必要に応じ
鋼材４にプレストレスが導入されると共に、その鋼材４
の両端部が前記突出部10に係止される。FIGS. 1 to 6 show an embodiment of the first invention. First, as shown in FIGS. 1 and 2, an opening 2 is formed in a concrete vertical shaft 1 made of reinforced concrete. A plurality of sheath pipes 3 made of a low-strength material that traverses the portion 2 in the up-down direction are arranged at intervals in the opening width direction (transverse direction), and both ends of each sheath pipe 3 are openings in the vertical shaft 1. The steel material 4 made of PC or PC steel wire steel rod is embedded in the projecting portions 10 formed inside the upper edge portion and the lower edge portion 2 of the steel 2, and the steel material 4 is inserted into each sheath tube 3.
A steel pressure plate 11 is fitted to the projecting end part of the fixing part 12, and a fixing tool 12 made of a nut or a crimping sleeve is screwed into the projecting end part, and a curable low strength material such as low strength concrete or low strength mortar is provided in the shield part. Is filled to form the temporary wall 5, and after the hardenable low-strength material is hardened, prestress is introduced into the steel material 4 as necessary, and the steel material 4 is
Both ends of the are locked to the protrusion 10.
立坑１からシールド掘進機６を発進させる場合は、第３
図および第４図に示すように、立坑１内における開口部
２の周囲の内側に、坑口コンクリート13を打設して硬化
させたのち、その坑口コンクリート13の周囲にゴム製シ
ールパッキング14をボルト20および帯状押え金具19によ
り固定し、かつ前記坑口コンクリート13内にシールド掘
進機６の前部を配置すると共に、シールド掘進機６の後
部と反力支承部材15との間にシールドジャッキ16を配置
し、次に前記支圧板11および定着具12を外して鋼材４を
シース管３から抜き取る。When starting the shield machine 6 from the vertical shaft,
As shown in FIG. 4 and FIG. 4, a wellhead concrete 13 is cast inside the periphery of the opening 2 in the vertical shaft 1 and hardened, and then a rubber seal packing 14 is bolted around the wellhead concrete 13. 20 and the band-shaped presser fitting 19, and the front part of the shield machine 6 is arranged in the wellhead concrete 13 and the shield jack 16 is arranged between the rear part of the shield machine 6 and the reaction force bearing member 15. Then, the support plate 11 and the fixing tool 12 are removed, and the steel material 4 is extracted from the sheath tube 3.
次にシールド掘進機６の回転カッタ17を回転させると共
に、シールドジャッキ16によりシールド掘進機６を推進
して、前記回転カッタ17により仮壁５およびシース管３
を切削し、シールド掘進機６を前記開口部２内に貫通さ
せると共に地中に向って推進していく。Next, the rotary cutter 17 of the shield machine 6 is rotated, and the shield machine 6 is propelled by the shield jack 16 so that the temporary wall 5 and the sheath tube 3 are rotated by the rotary cutter 17.
Is cut, and the shield machine 6 is penetrated into the opening 2 and is propelled toward the ground.
第５図および第６図は、シールド掘進機６が立坑１に到
達するときの状態を示すものであって、坑口コンクリー
ト13の内周面に溝形シールパッキング18におけるフラン
ジが帯状押え金具19およびボルト20により固定され、か
つ開閉弁21を有する流体供給管22は、坑口コンクリート
13を通って溝形シールパッキング18内に開口し、圧縮空
気または加圧水等の加圧流体が前記流体供給管22から溝
形シールパッキング18内に供給される。シールド掘進機
６の回転カッタ17が仮壁５およびシース管３を切削し
て、シールド掘進機６が開口部２内に進入し、この場
合、溝形シールパッキング18によりシールド掘進機６と
坑口コンクリート13との間がシールされる。シールド掘
進機６のテール内のセグメントが組立てられて覆工23が
構成され、シールド掘進機６全体が立坑１内に侵入した
のち、そのシールド掘進機６が立坑１内から撤去され
る。FIG. 5 and FIG. 6 show a state in which the shield machine 6 reaches the shaft 1, in which the flange of the groove-shaped seal packing 18 is provided on the inner peripheral surface of the wellhead concrete 13 with the band-shaped press fittings 19 and The fluid supply pipe 22 fixed by the bolt 20 and having the opening / closing valve 21 is a wellhead concrete.
It opens through the groove-shaped seal packing 18 through 13, and a pressurized fluid such as compressed air or pressurized water is supplied from the fluid supply pipe 22 into the groove-shaped seal packing 18. The rotary cutter 17 of the shield machine 6 cuts the temporary wall 5 and the sheath pipe 3, and the shield machine 6 enters into the opening 2. In this case, the groove machine seal packing 18 is used to shield the shield machine 6 and the well. The space between 13 and is sealed. After the segments in the tail of the shield machine 6 are assembled to form the lining 23, and the entire shield machine 6 enters the shaft 1, the shield machine 6 is removed from the shaft 1.
第１発明を実施する場合、横方向に延長する複数のシー
ス管３を上下方向に間隔をおいて配置してもよい。When carrying out the first invention, a plurality of sheath tubes 3 extending in the lateral direction may be arranged at intervals in the vertical direction.
第７図ないし第12図は第２発明の実施例を示すものであ
って、まず第７図および第８図に示すように、鉄筋コン
クリートからなるコンクリート製立坑１にシールド掘進
機貫通用開口部２が設けられ、前記立坑１の上端から立
坑１の周壁を通って前記開口部２の下部まで延長する複
数の低強度材料製縦シース管７が横方向に間隔をおいて
配置され、各縦シース管７に挿通された鋼棒８の下端の
雄ねじ部は、前記開口部２の下部に配置された雌ねじ部
材９に螺合され、その雌ねじ部材９は開口部２の下部に
固定された支持部材24に固定され、さらに前記開口部２
内に低強度コンクリートまたは低強度モルタル等の硬化
性低強度材料が充填されて仮壁５が構成され、前記鋼棒
８の上端部に、支圧板11が嵌合されると共に、ナットか
らなる定着具12が螺合され、その定着具12により前記鋼
棒８が緊張されている。FIGS. 7 to 12 show an embodiment of the second invention. First, as shown in FIGS. 7 and 8, a concrete shaft 1 made of reinforced concrete is provided with an opening 2 for penetration of a shield machine. A plurality of vertical sheath tubes 7 made of a low-strength material extending from the upper end of the vertical shaft 1 through the peripheral wall of the vertical shaft 1 to the lower part of the opening 2 are arranged laterally at intervals. The male screw portion at the lower end of the steel rod 8 inserted through the pipe 7 is screwed into the female screw member 9 arranged at the lower portion of the opening 2, and the female screw member 9 is fixed to the lower portion of the opening 2. It is fixed to 24 and further the opening 2
The temporary wall 5 is formed by filling a hardenable low-strength material such as low-strength concrete or low-strength mortar into the temporary wall 5, the pressure bearing plate 11 is fitted to the upper end portion of the steel rod 8, and the fixing is made of a nut. The tool 12 is screwed, and the steel rod 8 is tensioned by the fixing tool 12.
立坑１からシールド掘進機６を発進させる場合は、第９
図および第10図に示すように、立坑１内における開口部
２の周囲の内側に、坑口コンクリート13を打設した硬化
させたのち、その坑口コンクリート13の周囲にゴム製シ
ールパッキング14をボルト20および帯状押え金具19によ
り固定し、かつ前記坑口コンクリート13内にシールド掘
進機６の前部を配置すると共に、シールド掘進機６の後
部と反力支承部材15との間にシールドジャッキ16を配置
し、次に前記支圧板11および定着具12を外し、かつ鋼棒
８を雌ねじ部材９から螺脱したのち縦シース管７から抜
き取る。次に第１発明の実施例の場合と同様にしてシー
ルド掘進機６を発進させる。When starting the shield machine 6 from the vertical shaft,
As shown in FIG. 10 and FIG. 10, a wellhead concrete 13 is placed inside the periphery of the opening 2 in the vertical shaft 1, and after hardening, a rubber seal packing 14 is attached around the wellhead concrete 13 by a bolt 20. And the band-shaped presser fitting 19, and the front part of the shield machine 6 is arranged in the wellhead concrete 13, and the shield jack 16 is arranged between the rear part of the shield machine 6 and the reaction force bearing member 15. Next, the pressure bearing plate 11 and the fixing tool 12 are removed, and the steel rod 8 is unscrewed from the female screw member 9 and then withdrawn from the vertical sheath tube 7. Then, the shield machine 6 is started in the same manner as in the first embodiment.
第11図および第12図はシールド掘進機６が立坑１に到達
するときの状態を示すものであって、第１発明の実施例
の場合と同様である。11 and 12 show the state when the shield machine 6 reaches the shaft 1, which is the same as the case of the embodiment of the first invention.
この発明を実施する場合、シース管３および縦シース管
７を構成する低強度材料としては、例えば硬質紙または
合成樹脂を使用し、また低強度コンクリートまたは低強
度モルタルとしては、発泡コンクリートまたは発泡モル
タルを使用する。When practicing the present invention, for example, hard paper or synthetic resin is used as the low-strength material forming the sheath tube 3 and the vertical sheath tube 7, and foamed concrete or foam mortar is used as the low-strength concrete or low-strength mortar. To use.
この発明は前述のように構成されているので、以下に記
載するような効果を奏する。Since the present invention is configured as described above, it has the following effects.
シールド掘進機６が立坑１から発進しないときおよび立
坑１に到達しないときは、鋼材４によって補強された仮
壁５により立坑１における開口部２の前方の地盤を安定
状態で強力に支承することができ、またシールド掘進機
６が立坑１の開口部２から発進したりその開口部２に到
達するときは、前記鋼材４をシース管３または縦シース
管７から抜き取ったのち、シールド掘進機６により前記
仮壁５とシース管３または縦シース管７とを切削して、
シールド掘進機６を立坑１の開口部２に貫通させること
ができ、そのため簡単な手段によってかつ短時間で、シ
ールド掘進機６を立坑１に対し発進または到達させるこ
とができるので、安い費用でシールド掘進機６の発進ま
たは到達を行なうことができる。When the shield machine 6 does not start from the shaft 1 and does not reach the shaft 1, the temporary wall 5 reinforced by the steel material 4 can strongly support the ground in front of the opening 2 in the shaft 1 in a stable state. When the shield machine 6 can start from or reach the opening 2 of the shaft 1, the steel material 4 can be extracted from the sheath tube 3 or the vertical sheath tube 7, and then the shield machine 6 can be used. By cutting the temporary wall 5 and the sheath tube 3 or the vertical sheath tube 7,
Since the shield machine 6 can be penetrated into the opening 2 of the shaft 1, and therefore the shield machine 6 can be started or reached the shaft 1 by a simple means and in a short time, the shield can be manufactured at a low cost. The excavator 6 can be started or reached.
第１図ないし第６図は第１発明の実施例を示すものであ
って、第１図は鋼材により補強された仮壁を有する立坑
の一部を示す縦断側面図、第２図は第１図の一部を拡大
して示す縦断側面図、第３図は立坑内のシールド掘進機
の発進準備を完了した状態を示す一部縦断側面図、第４
図は第３図の一部を拡大して示す縦断側面図、第５図は
シールド掘進機が立坑して到達する直前の状態を示す一
部縦断側面図、第６図は第５図の一部を拡大して示す縦
断側面図である。 第７図ないし第12図は第２発明の実施例を示すものであ
って、第７図は鋼棒により補強された仮壁を有する立坑
の一部を示す縦断側面図、第８図は第７図の一部を拡大
して示す縦断側面図、第９図は立坑内のシールド掘進機
の発進準備を完了した状態を示す一部縦断側面図、第10
図は第９図の一部を拡大して示す縦断側面図、第11図は
シールド掘進機が立坑に到達する直前の状態を示す一部
縦断側面図、第12図は第11図の一部を拡大して示す縦断
側面図である。 図において、１は立坑、２は開口部、３はシース管、４
は鋼材、５は仮壁、６はシールド掘進機、７は縦シース
管、８は鋼棒、９は雌ねじ部材、11は支圧板、12は定着
具、13は坑口コンクリート、14はシールパッキング、16
はシールドジャッキ、17は回転カッタ、18は溝形シール
パッキング、22は流体供給管、24は支持部材である。1 to 6 show an embodiment of the first invention, wherein FIG. 1 is a vertical sectional side view showing a part of a shaft having a temporary wall reinforced by a steel material, and FIG. FIG. 4 is a vertical cross-sectional side view showing an enlarged part of the drawing, and FIG. 3 is a partial vertical cross-sectional side view showing a state in which preparations for starting the shield machine in the shaft have been completed.
The figure is an enlarged vertical side view showing a part of FIG. 3, FIG. 5 is a partial vertical side view showing a state immediately before a shield machine excavates and arrives, and FIG. It is a vertical side view which expands and shows a part. 7 to 12 show an embodiment of the second invention, FIG. 7 is a vertical sectional side view showing a part of a shaft having a temporary wall reinforced by a steel rod, and FIG. Fig. 7 is a vertical cross-sectional side view showing a part of Fig. 7 in an enlarged manner. Fig. 9 is a partial vertical cross-sectional side view showing a state in which preparations for starting the shield machine in the vertical shaft are completed.
The figure is an enlarged vertical side view showing a part of Fig. 9, Fig. 11 is a partial vertical side view showing the state immediately before the shield machine reaches the shaft, and Fig. 12 is a part of Fig. 11. It is a vertical side view which expands and shows. In the figure, 1 is a shaft, 2 is an opening, 3 is a sheath tube, 4
Is a steel material, 5 is a temporary wall, 6 is a shield machine, 7 is a vertical sheath tube, 8 is a steel rod, 9 is a female screw member, 11 is a bearing plate, 12 is a fixing tool, 13 is a well concrete, 14 is seal packing, 16
Is a shield jack, 17 is a rotary cutter, 18 is a groove type seal packing, 22 is a fluid supply pipe, and 24 is a support member.
Claims (2)
進機貫通用開口部２内に、その開口部２を横断する複数
のシース管３を、開口部巾方向に間隔をおいて配置し、
そのシース管３内に鋼材４を挿入すると共に、その鋼材
４の端部を立坑１に係止し、前記開口部２内に硬化性低
強度材料を充填して仮壁５を構成し、シールド掘進機６
が前記開口部から発進するかまたはその開口部２内に到
達するとき、前記鋼材４をシース管３から抜き取り、次
にシールド掘進機６により前記仮壁５およびシース管３
を切削して、シールド掘進機６を前記開口部２内に貫通
させるコンクリート製立坑のシールド掘進機発進到達方
法。1. A plurality of sheath tubes 3 crossing an opening 2 in a shield machine penetration opening in a concrete shaft 1 are arranged at intervals in the width direction of the opening.
The steel material 4 is inserted into the sheath tube 3, the end of the steel material 4 is locked to the vertical shaft 1, and the curable low-strength material is filled in the opening 2 to form the temporary wall 5 and the shield. Excavator 6
When the vehicle starts from the opening or reaches the opening 2, the steel material 4 is extracted from the sheath tube 3, and then the temporary wall 5 and the sheath tube 3 are removed by a shield machine 6.
A method for starting and reaching a shield excavator for a concrete shaft by cutting the shield excavator 6 through the opening 2.
貫通用開口部２を設け、前記立坑１の上端から立坑１の
周壁を通って前記開口部２の下部まで延長する複数の縦
シース管７を横方向に間隔をおいて設け、各縦シース管
７内に挿通した鋼棒８の下端の雄ねじ部を、前記開口部
２の下部に固定した雌ねじ部材９に螺合し、前記開口部
２内に硬化性低強度材料を充填して仮壁５を構成し、シ
ールド掘進機６が前記開口部２から発進するかまたはそ
の開口部２に到達するとき、前記鋼棒８を縦シース管７
から抜き取り、次にシールド掘進機６により前記仮壁５
および縦シース管７を切削して、シールド掘進機６を前
記開口部２内に貫通させるコンクリート製立坑のシール
ド掘進機発進到達方法。2. A concrete vertical shaft 1 having an opening 2 for penetration of a shield machine, and a plurality of vertical sheath pipes 7 extending from the upper end of the vertical shaft 1 to the lower part of the opening 2 through the peripheral wall of the vertical shaft 1. Are provided at intervals in the lateral direction, and the male screw portion at the lower end of the steel rod 8 inserted into each vertical sheath tube 7 is screwed into the female screw member 9 fixed to the lower portion of the opening portion 2 to form the opening portion 2. A temporary wall 5 is formed by filling a hardenable low-strength material therein, and when the shield machine 6 starts from the opening 2 or reaches the opening 2, the steel rod 8 is inserted into the vertical sheath tube 7.
From the temporary wall 5 by a shield machine 6
And a method for starting and reaching a shield excavator for a concrete shaft by cutting the vertical sheath tube 7 to penetrate the shield excavator 6 into the opening 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2162573A JPH0684713B2 (en) | 1990-06-22 | 1990-06-22 | How to reach a shield machine from a concrete shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2162573A JPH0684713B2 (en) | 1990-06-22 | 1990-06-22 | How to reach a shield machine from a concrete shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455591A JPH0455591A (en) | 1992-02-24 |
| JPH0684713B2 true JPH0684713B2 (en) | 1994-10-26 |
Family
ID=15757159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2162573A Expired - Fee Related JPH0684713B2 (en) | 1990-06-22 | 1990-06-22 | How to reach a shield machine from a concrete shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0684713B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06158980A (en) * | 1992-11-17 | 1994-06-07 | Daiho Constr Co Ltd | Method and device for starting shield machine and arriving method and device for the same |
| JP4587918B2 (en) * | 2005-09-13 | 2010-11-24 | 株式会社奥村組 | How to construct a junction and junction of shield tunnel |
| JP5148742B2 (en) * | 2011-12-15 | 2013-02-20 | 鹿島建設株式会社 | How to pass shield machine to underground structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2824479B2 (en) * | 1990-05-11 | 1998-11-11 | 中部電力株式会社 | Starting shaft structure in shield method |
-
1990
- 1990-06-22 JP JP2162573A patent/JPH0684713B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455591A (en) | 1992-02-24 |
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