JPH0230890A - Method and apparatus for replacing of underground buried pipe - Google Patents
Method and apparatus for replacing of underground buried pipeInfo
- Publication number
- JPH0230890A JPH0230890A JP63181312A JP18131288A JPH0230890A JP H0230890 A JPH0230890 A JP H0230890A JP 63181312 A JP63181312 A JP 63181312A JP 18131288 A JP18131288 A JP 18131288A JP H0230890 A JPH0230890 A JP H0230890A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cut
- pipes
- cylindrical
- temporary
- 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
- 238000000034 method Methods 0.000 title abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 12
- 229910003460 diamond Inorganic materials 0.000 description 9
- 239000010432 diamond Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、例えば老朽化した下水道管の更新のように地
中埋設管を敷設替えするための工法およびそれに使用す
る装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a construction method for replacing underground pipes, such as the renewal of aging sewer pipes, and an apparatus used therefor.
従来、既設管の入替工法として、旧管を開削して新管を
入れ換える開削工法が適用されていたが、この工法では
交通渋滞を招き、地盤の弛緩等の不具合を招きやすいと
いう欠陥があった。Conventionally, the open-cut method was used to replace existing pipes by excavating the old pipes and replacing them with new pipes, but this method had the drawbacks of causing traffic congestion and being prone to problems such as loosening of the ground. .
このため、開削によらない種々の工法が案出された。For this reason, various construction methods that do not involve excavation have been devised.
その第１は、既設長より１サイズ小さい径の管を挿入す
る、所謂パイプインバイブ工法である。The first is the so-called pipe-in-vibe construction method, in which a pipe with a diameter one size smaller than the existing length is inserted.
しかしながら、この工法では、新設管の径が既設管の径
より小さくなり、流量が減少すると共に、下水道管の場
合は管底高さが高くなり、前後の管との関係で不具合が
発生する可能性がある。However, with this construction method, the diameter of the new pipe is smaller than the diameter of the existing pipe, which reduces the flow rate, and in the case of sewer pipes, the bottom height of the pipe becomes higher, which can cause problems in relation to the pipes before and after it. There is sex.
さらに、この不具合の発生を防止した工法として、旧管
を膨張破砕して、その後に新管を設置して行く膨張破砕
、圧縮破砕等の破砕による工法が特開昭６２−１１２８
３０号公報、特開昭６２−１２５１９７号公報、特開昭
６２−１４６３９５号公報、特開昭６０−１６０９７８
号公報等に開示されている。Furthermore, as a construction method to prevent the occurrence of this problem, there is a construction method using crushing such as expansion crushing and compression crushing, in which the old pipe is expanded and crushed, and then a new pipe is installed.
30, JP 62-125197, JP 62-146395, JP 60-160978
It is disclosed in the publication number etc.
また、既設管を新設管で押し出したり他端から牽引して
抜き出す押出し工法、牽引工法が特開昭６２−１３７４
８６号公報、特開昭６２−１１２８９４号公報、特開昭
６２−３５１８８号公報、特開昭６２−２５６９７号公
報等に開示されている。In addition, the extrusion method and traction method, in which the existing pipe is pushed out with a new pipe or pulled out from the other end, are disclosed in Japanese Patent Application Laid-Open No. 62-1374.
It is disclosed in JP-A No. 86, JP-A-62-112894, JP-A-62-35188, JP-A-62-25697, etc.
さらには、特開昭６１−３３８１８号公報に記載のよう
に埋設管の周囲を掘り抜く工法、特開昭６０−１２９６
８５号公報に記載のように埋設管の内面を旋削して行く
工法もある。Furthermore, as described in Japanese Patent Application Laid-open No. 61-33818, a construction method for digging around a buried pipe,
There is also a method of turning the inner surface of a buried pipe, as described in Japanese Patent No. 85.
しかしながら、上記破砕工法の適用に際してはコンクリ
ートには鉄筋がはいっており、接続カラーも鋼製のもの
が使用されているため、簡単には破砕できないし、衝撃
力によるものは振動公害が惹起される恐れもある。However, when applying the above-mentioned crushing method, the concrete has reinforcing bars and the connecting collars are also made of steel, so it cannot be easily crushed, and the impact force causes vibration pollution. There is also fear.
また上記押出し工法、牽引工法においては、長期間埋設
により土と管の摩擦力は非常に大きく、反力をとる場所
や管の強度にも問題があり、衝撃や振動を加えて抜くこ
とも行われているが、騒音や振動が発生し好ましくない
。In addition, with the above extrusion method and traction method, the frictional force between the soil and the pipe is extremely large due to long-term burial, and there are problems with the location where the reaction force is taken and the strength of the pipe, and it is also possible to remove it by applying shock or vibration. However, it is undesirable because it generates noise and vibration.
本発明において解決すべき課題は、地中埋設管の取替え
に際しての従来の工法の問題点を解決して、鉄筋コンク
リート管、陶管、塩ビ管等の他、接続カラーを有する埋
設管の敷設替えを確実に、周辺に何等の被害をもたらす
ことなく行うことができる工法を完成することにある。The problem to be solved by the present invention is to solve the problems of conventional construction methods when replacing underground pipes, and to replace underground pipes with connecting collars in addition to reinforced concrete pipes, ceramic pipes, PVC pipes, etc. The aim is to perfect a construction method that can be carried out reliably without causing any damage to the surrounding area.
本発明の地中埋設管の敷設替えは、推進機によって推進
される円筒管の内部に回転駆動装置を設け、同円筒管の
外周に複数のディスクカッターを取付けた装置を用いて
地中埋設管を管内より軸方向に切断し、土圧から同切断
管を開放した後、管の内径に嵌合する円筒管を挿入して
切断管の崩壊を防ぎ、続いて同円筒管の外径と同一径の
仮管によって同円筒管を他端に押し出し、その後同仮管
を新管と置換するもので、これによって、上記課題を解
決したものである。The re-laying of underground pipes according to the present invention is carried out by installing a rotary drive device inside a cylindrical pipe that is propelled by a propulsion machine, and using a device in which a plurality of disc cutters are attached to the outer periphery of the cylindrical pipe. After cutting the tube in the axial direction from inside the tube and releasing the cut tube from earth pressure, insert a cylindrical tube that fits into the inner diameter of the tube to prevent the cut tube from collapsing, and then The cylindrical tube is pushed out to the other end by a temporary tube of the same diameter, and then the same temporary tube is replaced with a new tube, thereby solving the above problem.
第１図〜第３図はダイヤモンドディスクカッター３の取
付けの態様と駆動機構を示す図であり、第１図は先端部
の縦断面構造を示す図であり、第２図は第７１図を■〜
■線の方向か゛ら見た正面図である。また、第３図はカ
ッター駆動部の詳細を示す図である。FIGS. 1 to 3 are diagrams showing the mounting manner and drive mechanism of the diamond disc cutter 3, FIG. 1 is a diagram showing the longitudinal cross-sectional structure of the tip, and FIG. ~
■It is a front view seen from the direction of the line. Moreover, FIG. 3 is a diagram showing details of the cutter drive section.
これらの図を参照して、３は既設管１を内面からその長
袖方向に切断するためのダイヤモンドディスクカッター
を示す。４は同ダイヤモンドディスクカッター３を支持
する先導管であって、既設管１の内径よりも僅かに小さ
い外径を有する。ダイヤモンドディスクカフター３は第
２図に示すように、先導管４の先端部周縁に刃部を突出
した状態で複数個取付けられており、カッター３の先端
は、既設管１の外径よりやや突出するように設定されて
いる。そして、カッター３は、先導管４内に取付けられ
、動力源を外部に有する油圧モーター２で傘歯車７と８
とを介して回転駆動される構造になっている。Referring to these figures, 3 indicates a diamond disk cutter for cutting the existing pipe 1 from the inner surface in the long sleeve direction. A leading pipe 4 supports the diamond disc cutter 3, and has an outer diameter slightly smaller than the inner diameter of the existing pipe 1. As shown in FIG. 2, a plurality of diamond disc cuffers 3 are attached to the periphery of the leading end of the leading pipe 4 with their blades protruding. It is set to stand out. The cutter 3 is installed in the guide pipe 4 and is operated by a hydraulic motor 2 having an external power source.
It has a structure in which it is rotationally driven through.
さらに、先導管４の後部には、円筒管６がボルト５で接
続されるようになっている。Furthermore, a cylindrical pipe 6 is connected to the rear part of the leading pipe 4 with a bolt 5.
第４図〜第６図は、本発明の工法の実施態様を工程順に
示す図である。FIGS. 4 to 6 are diagrams showing an embodiment of the construction method of the present invention in order of steps.
まず、小口径推進機とカッターによる既設管の切断状況
を示す第４図において、１は発進側のマンホール９と到
達側のマンホールＩＯの間に敷設されている既設管を示
す。１１は発進側マンホール９の近傍に建て込んだ発進
用ケーシングを示す。First, in FIG. 4 showing the state of cutting an existing pipe by a small-diameter propulsion machine and a cutter, 1 indicates an existing pipe laid between a manhole 9 on the starting side and a manhole IO on the destination side. Reference numeral 11 indicates a starting casing built in the vicinity of the starting side manhole 9.
まず、既設管１の取替えに際しては、この発進用ケーシ
ングＩＩの中にダイヤモンドディスクカッター３を先端
に取付けた小口径推進機１２を設置して、上記第１図〜
第３図に示すダイヤモンドディスクカッター３を回転駆
動する。同小口径推進機１２としては、特願昭６２−２
５８０９７号明細書において本願出願人が開示した推進
機を用いることが好ましい。なお到達側のマンホール１
０の底面は作業し易いように、少し掘り込み１３をいれ
ておくのが良い。First, when replacing the existing pipe 1, a small-diameter propulsion machine 12 with a diamond disc cutter 3 attached to the tip is installed in this starting casing II, and the
A diamond disk cutter 3 shown in FIG. 3 is driven to rotate. As the small diameter propulsion device 12, the patent application No. 62-2
It is preferable to use the propulsion device disclosed by the applicant in the specification of No. 58097. Furthermore, manhole 1 on the reaching side
It is a good idea to make a slight recess 13 on the bottom of the 0 to make it easier to work with.
そして、既設管１の中にダイヤモンドディスクカッター
３を取付けた先導管４を推進機１２によって推進しなが
ら、既設管１を軸方向に複数個数に分割切断する。Then, the existing pipe 1 is divided and cut into a plurality of pieces in the axial direction while the leading pipe 4 with the diamond disk cutter 3 attached thereto is propelled by the propulsion device 12.
カッター３による切断進行によって、切断された既設管
ｌは土圧から開放され、先導管４は切断した既設管１の
内部に嵌合する状態で既設管ｌ内を推進する。その進行
に伴って、第４図に示すように後続の円筒管６を発進用
ケーシング１１内で連結しつつ、両マンホール９と１０
との間の全既設管１を切断する。As the cutter 3 advances, the cut existing pipe 1 is released from the earth pressure, and the leading pipe 4 is fitted inside the cut existing pipe 1 and propelled inside the existing pipe 1. As it progresses, the following cylindrical pipe 6 is connected within the starting casing 11 as shown in FIG.
Cut all existing pipes 1 between the
次いで、先導管４の先端カッター３によって、既設管１
の全長の切断を終えて到達マンホール１０に到達したと
き、第５図に示すように、最後列の円筒管６の後端に、
その径が略既設管１の外径と一致する押し板１４を配置
し、それに、既設管１と略同径を有する仮管１５を連結
して切断した既設管１の後端に当てる。この仮管１５を
小口径推進機１２によって推進し、カッター３によって
分割切断した既設管ｌを押し板１４によって到達マンホ
ール１０内に押し出し、地上に取り出す。Next, the existing pipe 1 is cut using the tip cutter 3 of the leading pipe 4.
When the full length of the cylindrical pipe 6 has been cut and the reached manhole 10 is reached, as shown in FIG.
A push plate 14 whose diameter substantially matches the outer diameter of the existing pipe 1 is arranged, and a temporary pipe 15 having substantially the same diameter as the existing pipe 1 is connected to it and applied to the rear end of the cut existing pipe 1. This temporary pipe 15 is propelled by a small-diameter propulsion device 12, and the existing pipe 1 cut into parts by the cutter 3 is pushed out into the reaching manhole 10 by the push plate 14 and taken out to the ground.
さらに、押し板１４による全既設管ｌの°押し出しが終
了し、仮管１５の先頭が到達マンホール１０に到達した
ら、推進機１２を使用して作業ケーシング１１から新管
１６を推進し仮管１５と置換して、既設管１との交換を
終了する。Furthermore, when the extrusion of all the existing pipes l by the pushing plate 14 is completed and the head of the temporary pipe 15 reaches the reaching manhole 10, the new pipe 16 is propelled from the work casing 11 using the propulsion device 12, and the temporary pipe 15 is pushed out. , and the replacement with the existing pipe 1 is completed.
本発明によって以下の効果を奏することができる。 The following effects can be achieved by the present invention.
（１）従来の工法では困難であった鉄筋コンクリート管
、陶管、塩ビ管等の埋設管であっても、カッターによる
分割切断ができるので簡単に取替交換ができる。(1) Even buried pipes such as reinforced concrete pipes, ceramic pipes, and PVC pipes, which are difficult to construct using conventional construction methods, can be easily replaced because they can be cut into sections using a cutter.
（２）取替えに際しで、大きな反力を必要としないので
、格別の推進機械を必要とせず、従来の小口径推進機械
を利用することができる。(2) Since a large reaction force is not required for replacement, a special propulsion machine is not required, and a conventional small-diameter propulsion machine can be used.
（３）切断された既設管の中に芯になる円筒管が嵌合し
支持する状態で既設管は押し出されるので、腐食や損傷
の激しい敷設管も座屈なしにスムーズに押し出すことが
でき、簡単な取替え敷設が可能である。(3) Since the existing pipe is extruded while the core cylindrical tube is fitted into the cut existing pipe and supported, even severely corroded or damaged pipes can be extruded smoothly without buckling. Easy replacement and installation is possible.
（４）振動等による騒音の発生がない。(4) No noise is generated due to vibrations, etc.
（５）既設管を軸方向に切断するので、切断片の抜き出
しが簡単で、切断片取り出しのための格別の設備を必要
としない。(5) Since the existing pipe is cut in the axial direction, the cut pieces can be easily extracted, and special equipment for removing the cut pieces is not required.
第１図〜第３図はダイヤモンドディスクカッターの取付
けの態様と駆動機構を示すである。
第４図〜第６図は、本発明の工法の実施態様を工程順に
示す図である。
１：既設管 ２：油圧モーター３：ダイヤモ
ンドディスクカッター
４：先導管 ５：ボルト
６：円筒管 ７：傘歯車
８：傘歯車 ９：マンホール１０：マンホー
ル １１：ケージング１２：小口径推進機
１３：掘り込み１４：押し板 １５：仮管
１６：新管
第４図
第５図
第６図
特許出願人 株式会社 共栄土建Figures 1 to 3 show how the diamond disc cutter is mounted and the drive mechanism. FIGS. 4 to 6 are diagrams showing an embodiment of the construction method of the present invention in order of steps. 1: Existing pipe 2: Hydraulic motor 3: Diamond disc cutter 4: Lead pipe 5: Bolt 6: Cylindrical pipe 7: Bevel gear 8: Bevel gear 9: Manhole 10: Manhole 11: Casing 12: Small diameter propulsion machine
13: Digging 14: Push plate 15: Temporary pipe 16: New pipe Figure 4 Figure 5 Figure 6 Patent applicant Kyoei Doken Co., Ltd.
Claims (1)
縦分割切断した後、地中埋設管の内径よりも僅かに小さ
い外径を有する円筒管を前記分割切断した地中埋設管内
に挿入し、続いて、前記地中埋設管の外径と同一径を有
する仮管によって前記円筒管と共に分割切断した地中埋
設管を他端に押し出し、その後、同仮管と新管を置換す
る地中埋設管の敷設替え方法。 ２、推進機によって推進される円筒管の内部に回転駆動
装置を設け、同円筒管の外周に複数のディスクカッター
を取付けた地中埋設管の敷設替え装置。[Scope of Claims] 1. After vertically dividing an underground pipe from the inside of one end toward the other end, a cylindrical pipe having an outer diameter slightly smaller than the inner diameter of the underground pipe is cut as described above. The tube is inserted into the underground pipe that has been cut into sections, and then the cylindrical tube and the underground pipe that have been cut out are pushed out to the other end using a temporary tube having the same outer diameter as the outer diameter of the underground pipe. How to replace underground pipes by replacing temporary pipes with new pipes. 2. An underground pipe re-laying device in which a rotary drive device is provided inside a cylindrical pipe propelled by a propulsion machine, and a plurality of disc cutters are attached to the outer periphery of the cylindrical pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181312A JP2647691B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for laying underground pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181312A JP2647691B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for laying underground pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0230890A true JPH0230890A (en) | 1990-02-01 |
| JP2647691B2 JP2647691B2 (en) | 1997-08-27 |
Family
ID=16098480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63181312A Expired - Lifetime JP2647691B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for laying underground pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2647691B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2820802A1 (en) * | 2001-02-13 | 2002-08-16 | Setha Soc D Etudes De Travaux | Method for removing old pipes, especially lead pipes, without recalibration comprises excavating at either end of pipe and injecting curable material, pipe then being cut and removed, e.g. using cable |
| KR100910320B1 (en) * | 2009-01-22 | 2009-08-04 | 주식회사 건화엔지니어링 | Device for repairing sewage pipe and method for repairing sewage pipe using the same |
| JP2010230112A (en) * | 2009-03-27 | 2010-10-14 | Saikyu Kogyo Co Ltd | Pipe drawing-out device for existing piping and pipe drawing-out method for existing piping |
| JP2013007224A (en) * | 2011-06-27 | 2013-01-10 | East Japan Railway Co | Pipe cutting fixture, and plate insertion method and element insertion method using the pipe cutting fixture |
| US20150139734A1 (en) * | 2012-04-12 | 2015-05-21 | Enereco S.P.A. | Method for removing from a terrain a buried pipe and a cutting machine used for actuating the method |
-
1988
- 1988-07-19 JP JP63181312A patent/JP2647691B2/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2820802A1 (en) * | 2001-02-13 | 2002-08-16 | Setha Soc D Etudes De Travaux | Method for removing old pipes, especially lead pipes, without recalibration comprises excavating at either end of pipe and injecting curable material, pipe then being cut and removed, e.g. using cable |
| KR100910320B1 (en) * | 2009-01-22 | 2009-08-04 | 주식회사 건화엔지니어링 | Device for repairing sewage pipe and method for repairing sewage pipe using the same |
| JP2010230112A (en) * | 2009-03-27 | 2010-10-14 | Saikyu Kogyo Co Ltd | Pipe drawing-out device for existing piping and pipe drawing-out method for existing piping |
| JP2013007224A (en) * | 2011-06-27 | 2013-01-10 | East Japan Railway Co | Pipe cutting fixture, and plate insertion method and element insertion method using the pipe cutting fixture |
| US20150139734A1 (en) * | 2012-04-12 | 2015-05-21 | Enereco S.P.A. | Method for removing from a terrain a buried pipe and a cutting machine used for actuating the method |
| US9851021B2 (en) * | 2012-04-12 | 2017-12-26 | Enereco S.P.A. | Method for removing from a terrain a buried pipe and a cutting machine used for actuating the method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2647691B2 (en) | 1997-08-27 |
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