JP2681340B2 - Pipe member laying method - Google Patents
Pipe member laying methodInfo
- Publication number
- JP2681340B2 JP2681340B2 JP6187471A JP18747194A JP2681340B2 JP 2681340 B2 JP2681340 B2 JP 2681340B2 JP 6187471 A JP6187471 A JP 6187471A JP 18747194 A JP18747194 A JP 18747194A JP 2681340 B2 JP2681340 B2 JP 2681340B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe member
- soil
- working space
- space
- retaining side
- 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)
- Sewage (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、上下水道管等として使
用する管部材を敷設する為の管部材の敷設方法に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of laying a pipe member for laying a pipe member used as a water and sewage pipe or the like.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来か
ら提案されている土中に管部材を敷設する手段は、バッ
クフォーで所定の場所を掘削して作業空間を形成し、こ
の作業空間の両側を鋼矢板や木矢板を用いて土留めし、
該土留めされた作業空間に管部材を敷設し、埋め戻し、
この作業を繰り返して管部材を所定区間内に埋設してい
くという方法である。この方法は、埋め戻し作業をバッ
クフォーにより行う為、該埋め戻し作業中は当然新たな
掘削はできず、よって、作業効率が悪く、また、地下水
が多い土壌の場合には作業空間内に地下水が浸透し作業
に支障を来すという問題がある。2. Description of the Related Art Conventionally proposed means for laying a pipe member in the soil forms a work space by excavating a predetermined place with a back forge. Secure both sides using steel sheet pile or wood sheet pile,
Laying pipe members in the earthed work space, backfilling them,
This is a method in which the pipe member is buried in a predetermined section by repeating this operation. In this method, since the backfill operation is performed by the back forging, new excavation cannot be performed naturally during the backfill operation. Therefore, the work efficiency is low, and in the case of soil with a large amount of groundwater, the groundwater is stored in the work space. Has a problem that it penetrates and hinders work.
【０００３】本発明は上記の問題点を解決した管部材の
敷設方法を提供するものである。[0003] The present invention provides a method of laying a pipe member which solves the above problems.
【０００４】[0004]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【０００５】地面に所定深さの開始孔１を穿設し、この
開始孔１内にアクチュエータにより伸縮作動する掘削部
３を先端に設けた掘削体２を配設し、アクチュエータを
伸長作動させて開始孔１の土面からの反力により掘削体
２を前進させることで地面を上方開口状態で掘削して作
業空間８を形成し、続いて、該アクチュエータを収縮作
動させ、該掘削体２と開始孔１との間にして作業空間８
の両側面に土留側板９を、作業空間８の底面に土留底板
10を配設し、土留側板９同志及び土留側板９と土留底板
10とを隙間のない状態で配設することで該作業空間８を
浸水が生じない作業空間８に形成し、この作業空間８を
前記工程の連続により所定長さの作業空間８に形成した
後、該作業空間８の所定位置に該土留側板９と直交する
状態で仕切板13を該作業空間８の長さ方向に移動不能状
態で設け、続いて、 掘削体２の後端を最前の土留側板９に当接せしめて
前記同様に掘削体２を前進させる。A starting hole 1 having a predetermined depth is bored in the ground, and an excavation body 2 provided with a digging portion 3 at the tip of the digging portion 3 which is expanded and contracted by an actuator is arranged in the starting hole 1 to extend the actuator. By excavating the excavated body 2 by the reaction force from the soil surface of the start hole 1 to excavate the ground in an upwardly open state to form a working space 8, subsequently, the actuator is contracted to move the excavated body 2 into contact with the excavated body 2. Work space 8 between start hole 1
Soil retaining side plates 9 on both sides of the
10 are installed, the soil retaining side plate 9 and the soil retaining side plate 9 and the soil retaining bottom plate
By arranging 10 and 10 with no gap, the working space 8 is formed into a working space 8 in which no water is generated, and after this working space 8 is formed into a working space 8 of a predetermined length by the continuation of the above steps. A partition plate 13 is provided at a predetermined position of the work space 8 in a state of being orthogonal to the earth retaining side plate 9 so as to be immovable in the length direction of the work space 8. Subsequently, the rear end of the excavation body 2 is placed at the front end of the earth retaining plate. The excavation body 2 is moved forward in the same manner as described above while being brought into contact with the side plate 9.
【０００６】 仕切板13より後方位置の作業空間８に
管部材14を配設し、その後、該作業空間８を埋め戻し、
続いて、土留側板９及び仕切板13を除去する。[0006] A pipe member 14 is disposed in the work space 8 at a position rearward of the partition plate 13, and then the work space 8 is backfilled.
Subsequently, the retaining side plate 9 and the partition plate 13 are removed.
【０００７】という上記，の工程を同時若しくは別
々に行うことで土中に管部材14を配設することを特徴と
する管部材の敷設方法に係るものである。The present invention relates to a pipe member laying method characterized in that the pipe member 14 is disposed in the soil by performing the above steps simultaneously or separately.
【０００８】請求項１記載の管部材の敷設方法におい
て、該請求項１記載の工程を連続して繰り返すことで、
土中の所定長さ区間に管部材14を配設することを特徴と
する管部材の敷設方法に係るものである。In the method for laying a pipe member according to claim 1, by repeating the process according to claim 1,
The present invention relates to a method for laying a pipe member, characterized in that the pipe member 14 is arranged in a predetermined length section in the soil.
【０００９】請求項２記載の管部材の敷設方法におい
て、各土留側板９の対向上部間に間隔保持体12を配設す
る工程を付加したことを特徴とする管部材の敷設方法に
係るものである。A method of laying a pipe member according to claim 2, wherein a step of disposing a space holding member 12 between the opposing upper portions of the soil retaining side plates 9 is added. is there.
【００１０】[0010]
【作用並びに実施例】以下、図１，２，３，４，５，６
に基づいて説明する。FIG. 1, 2, 3, 4, 5, 6
It will be described based on.
【００１１】地面に所定深さの開始孔１（縦孔）を例え
ばバックホウ16により穿設する。この開始孔１に掘削体
２を配設するとともに一組の土留側板９と土留底板10と
を配設する。この掘削体２は前側に左右側板３ａ,３ｂ
を対設した掘削部３を有し、この掘削部３に４本の油圧
シリンダー４が突設されたもので、油圧シリンダー４の
ロッド４'が図１，２，３，４，５，６中における右方
向に突出するものである。尚、掘削体２の符号５の部分
には該油圧シリンダーの油圧ポンプ及び制御機構が設け
られている。A start hole 1 (vertical hole) having a predetermined depth is formed in the ground by, for example, a backhoe 16. The excavation body 2 is arranged in the start hole 1, and a pair of earth retaining side plates 9 and earth retaining bottom plates 10 are arranged. This excavated body 2 has left and right side plates 3a, 3b on the front side.
Is provided with four hydraulic cylinders 4 projecting from the excavation part 3, and a rod 4 ′ of the hydraulic cylinder 4 has a rod 4 ′ shown in FIGS. It projects to the right in the inside. A hydraulic pump and a control mechanism for the hydraulic cylinder are provided in the portion of the excavated body 2 designated by reference numeral 5.
【００１２】符号６は受板、７は掘削爪、18は止水シー
ル、21は土留板である。Reference numeral 6 is a receiving plate, 7 is an excavation claw, 18 is a water-stop seal, and 21 is a soil retaining plate.
【００１３】油圧シリンダー４を作動させると、ロッド
４'が突出し、受板６（上記した最初の一組目の土留側
板９と土留底板10並びに土留板21）を押圧する。土留板
21は開始孔１の土面に当接せしめられている為、受板６
からの反力により掘削体２は前進し、掘削爪７により土
面が掘削され、同時に地上のバックホウ16により掘削部
３の左右側板３ａ,３ｂ間の土は搬出される。When the hydraulic cylinder 4 is operated, the rod 4'projects and presses the receiving plate 6 (the first set of the soil retaining side plate 9, the soil retaining bottom plate 10 and the soil retaining plate 21). Earth retaining plate
Since 21 is in contact with the soil surface of the starting hole 1, the receiving plate 6
The excavation body 2 moves forward by the reaction force from the excavator 2, the excavation claw 7 excavates the soil surface, and at the same time, the backhoe 16 on the ground removes the soil between the left and right side plates 3a and 3b of the excavation unit 3.
【００１４】ロッド４'がストローク分伸び切った後、
復帰すると、掘削体２が所定距離（ストローク分、具体
的には一枚の土留側板９の長さ分）だけ前進したことに
なる。After the rod 4'is fully extended by the stroke,
Upon return, the excavated body 2 has advanced by a predetermined distance (stroke, specifically, the length of one retaining side plate 9).
【００１５】この掘削体２が前進したことにより形成さ
れた作業空間８の両側面及び底面に前記一組目の土留側
板９と土留底板10に連接させて一組の土留側板９及び土
留底板10を配設する。A pair of the soil retaining side plate 9 and the soil retaining bottom plate 10 are connected to the first and second pairs of the soil retaining side plate 9 and the soil retaining bottom plate 10 on both sides and the bottom surface of the work space 8 formed by the forward movement of the excavated body 2. To arrange.
【００１６】続いて、対向する土留側板９の上部間に形
成した対向する係止凹部11間に間隔保持体12としてのネ
ジジャッキを適当本数架設して該土留側板９を堅固に固
定する。Subsequently, an appropriate number of screw jacks as the space holding members 12 are installed between the opposed locking recesses 11 formed between the upper portions of the soil retaining side plates 9 which are opposed to each other, and the soil retaining side plates 9 are firmly fixed.
【００１７】土留側板９の外側面には必要に応じて土壌
の浮力に対向できるようにアンカーを突設しておくと良
い。An anchor may be provided on the outer surface of the soil retaining side plate 9 so as to face the buoyancy of the soil, if necessary.
【００１８】土留底板10の裏側には裏込め19として、例
えばモルタル等を敷設する。On the back side of the soil retaining bottom plate 10, for example, mortar is laid as backfill 19.
【００１９】この工程を繰り返すことで複数枚の土留側
板９及び土留底板10を一組づつ配設し、この複数枚の土
留側板９及び土留底板10で囲繞された作業空間８を形成
していく。By repeating this process, a plurality of soil retaining side plates 9 and soil retaining bottom plates 10 are arranged one by one, and a working space 8 surrounded by the plurality of soil retaining side plates 9 and soil retaining bottom plates 10 is formed. .
【００２０】土留側板９は、図７に図示した構造で、隣
接する土留側板９同志及び土留底板10同志は隙間なく連
設され、また、土留側板９と土留底板10とも隙間なく連
設される。従って、複数枚の土留側板９と土留底板10と
で囲繞された作業空間８は土壌からの地下水が浸透しな
い作業空間８となる。The soil retaining side plate 9 has the structure shown in FIG. 7, and the adjacent soil retaining side plate 9 and the soil retaining bottom plate 10 are connected to each other without a gap, and the soil retaining side plate 9 and the soil retaining bottom plate 10 are also connected without a gap. . Therefore, the working space 8 surrounded by the plurality of retaining side plates 9 and the retaining bottom plate 10 becomes a working space 8 in which groundwater from soil does not permeate.
【００２１】符号９'，10'は連結凹凸部である。Reference numerals 9'and 10 'are connection concave and convex portions.
【００２２】続いて、この作業空間８を前記工程の連続
により所定長さの作業空間８に形成した後、該作業空間
８の所定位置に仕切板13を土留側板９に当接させながら
上方から挿入する。Subsequently, the working space 8 is formed into a working space 8 having a predetermined length by the continuation of the above steps, and the partition plate 13 is brought into contact with the soil retaining side plate 9 at a predetermined position of the working space 8 from above. insert.
【００２３】尚、予め仕切板13を挿入する位置はわかる
為、その位置の土留側板９には図９のようなＬ型止め20
が付設された土留側板９を使用する。Since the position where the partition plate 13 is inserted is known in advance, the earth retaining side plate 9 at that position has an L-shaped stopper 20 as shown in FIG.
The earth retaining side plate 9 provided with is used.
【００２４】この仕切板13は図１１に図示したように下
縁に管部材14の径とほぼ等しい半円状凹部が形成された
上体13'と上縁に同様な半円状凹部が形成された下体13"
とで構成されている。As shown in FIG. 11, the partition plate 13 has a body 13 'having a semi-circular recess having a diameter substantially equal to the diameter of the pipe member 14 at its lower edge, and a semi-circular recess having a similar shape at its upper edge. Lower body 13 "
It is composed of
【００２５】続いて、この仕切板13より後方の作業空間
８に管部材14を敷設し、その後、埋め戻し、続いて、土
留側板９，仕切板13（但し、上体13'のみ），土留板21
を上方へ引き抜き除去し、最後に仕上げの為土盛りを行
う。Subsequently, a pipe member 14 is laid in the work space 8 rearward of the partition plate 13, and then backfilled, and subsequently, the earth retaining side plate 9, the partition plate 13 (however, only the upper body 13 '), the earth retaining material. Board 21
Is pulled out upward, and finally the soil is filled for finishing.
【００２６】尚、管部材14の敷設に際しては予め下に砂
15を敷設しておく。In addition, when laying the pipe member 14, sand is previously provided below.
Lay 15 in advance.
【００２７】このように仕切板13の挿入、管部材14の敷
設、埋め戻しの作業と並行して、掘削体２の前進を行わ
しめる。Thus, the excavation body 2 is advanced in parallel with the work of inserting the partition plate 13, laying the pipe member 14, and backfilling.
【００２８】以上の工程により、作業空間８の側面が崩
れたりすることなく、また、作業空間８内に地下水が浸
透したりすることはなく、よって、土留側板９，土留底
板10で囲繞された作業空間８に作業者が入って適宜な作
業を安全且つ良好に行え、また、作業空間８の形成と管
部材14の敷設とが同時に行える為、非常に効率的に作業
が行えることになる。Through the above steps, the side surface of the work space 8 is not collapsed, and the ground water does not permeate into the work space 8. Therefore, it is surrounded by the earth retaining side plate 9 and the earth retaining bottom plate 10. A worker enters the work space 8 to perform appropriate work safely and satisfactorily, and since the work space 8 and the pipe member 14 can be laid simultaneously, the work can be performed very efficiently.
【００２９】[0029]
【発明の効果】本発明は上述のように構成したから、非
常に効率良く且つ安全に管部材を敷設することが可能と
なる。According to the present invention, as described above, the pipe member can be laid very efficiently and safely.
【図１】本実施例の説明図である（間隔保持体は省
略）。FIG. 1 is an explanatory diagram of the present embodiment (a spacing member is omitted).
【図２】本実施例の説明図である（間隔保持体は省
略）。FIG. 2 is an explanatory view of the present embodiment (a spacing member is omitted).
【図３】本実施例の説明図である（間隔保持体は省
略）。FIG. 3 is an explanatory diagram of the present embodiment (a spacing member is omitted).
【図４】本実施例の説明図である（間隔保持体は省
略）。FIG. 4 is an explanatory view of the present embodiment (a spacing member is omitted).
【図５】本実施例の説明図である（間隔保持体は省
略）。FIG. 5 is an explanatory diagram of the present embodiment (a spacing member is omitted).
【図６】本実施例の説明図である（間隔保持体は省
略）。FIG. 6 is an explanatory diagram of the present embodiment (a spacing member is omitted).
【図７】本実施例の土留側板の斜視図である。FIG. 7 is a perspective view of a retaining side plate of the present embodiment.
【図８】本実施例の掘削体の平面図である。FIG. 8 is a plan view of the excavated body of the present embodiment.
【図９】本実施例の仕切板の平面図である。FIG. 9 is a plan view of a partition plate of the present embodiment.
【図１０】図６におけるＡ−Ａ指示線断面図である。FIG. 10 is a sectional view taken along the line AA in FIG. 6;
【図１１】本実施例の仕切板の正面図である。FIG. 11 is a front view of the partition plate of the present embodiment.
１ 開始孔 ２ 掘削体 ３ 掘削部 ８ 作業空間 ９ 土留側板 10 土留底板 12 間隔保持体 13 仕切板 14 管部材 1 Start Hole 2 Excavation Body 3 Excavation Area 8 Working Space 9 Earth retaining side plate 10 Earth retaining bottom plate 12 Interval holder 13 Partition plate 14 Pipe member
Claims (3)
開始孔内にアクチュエータにより伸縮作動する掘削部を
先端に設けた掘削体を配設し、アクチュエータを伸長作
動させて開始孔の土面からの反力により掘削体を前進さ
せることで地面を上方開口状態で掘削して作業空間を形
成し、続いて、該アクチュエータを収縮作動させ、該掘
削体と開始孔との間にして作業空間の両側面に土留側板
を、作業空間の底面に土留底板を配設し、土留側板同志
及び土留側板と土留底板とを隙間のない状態で配設する
ことで該作業空間を浸水が生じない作業空間に形成し、
この作業空間を前記工程の連続により所定長さの作業空
間に形成した後、該作業空間の所定位置に該土留側板と
直交する状態で仕切板を該作業空間の長さ方向に移動不
能状態で設け、続いて、 掘削体の後端を最前の土留側板に当接せしめて前記
同様に掘削体を前進させる。 仕切板より後方位置の作業空間に管部材を配設し、
その後、該作業空間を埋め戻し、続いて、土留側板及び
仕切板を除去する。 という上記，の工程を同時若しくは別々に行うこと
で土中に管部材を配設することを特徴とする管部材の敷
設方法。1. A starting hole having a predetermined depth is bored in the ground, and an excavation body provided with a tip end of an excavating portion for expanding and contracting by an actuator is arranged in the starting hole, and the actuator is extended to start the starting hole. By excavating the excavation body by the reaction force from the soil surface, the ground is excavated in the upper opening state to form a working space, and then the actuator is contracted to move the space between the excavation body and the start hole. The soil retaining side plates are provided on both sides of the work space, the soil retaining bottom plates are disposed on the bottom surface of the working space, and the soil retaining side plates and the soil retaining side plates and the soil retaining bottom plates are disposed without any gaps so that the working space is not flooded. Formed in a work space that does not occur,
After this working space is formed into a working space of a predetermined length by the continuation of the above steps, the partition plate is immovable at a predetermined position of the working space in a state orthogonal to the earth retaining side plate in the length direction of the working space. Then, the rear end of the excavation body is brought into contact with the foremost retaining plate and the excavation body is advanced in the same manner as described above. A pipe member is arranged in the work space behind the partition plate,
Thereafter, the work space is backfilled, and subsequently, the retaining side plates and the partition plates are removed. A pipe member laying method, wherein the pipe member is arranged in the soil by performing the above steps simultaneously or separately.
て、該請求項１記載の工程を連続して繰り返すことで、
土中の所定長さ区間に管部材を配設することを特徴とす
る管部材の敷設方法。2. The method for laying a pipe member according to claim 1, wherein the steps according to claim 1 are continuously repeated.
A method for laying a pipe member, which comprises arranging the pipe member in a predetermined length section in the soil.
て、各土留側板の対向上部間に間隔保持体を配設する工
程を付加したことを特徴とする管部材の敷設方法。3. The method for laying a pipe member according to claim 2, wherein a step of disposing a space holding member between the opposing upper portions of the soil retaining side plates is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6187471A JP2681340B2 (en) | 1994-08-09 | 1994-08-09 | Pipe member laying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6187471A JP2681340B2 (en) | 1994-08-09 | 1994-08-09 | Pipe member laying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0849284A JPH0849284A (en) | 1996-02-20 |
| JP2681340B2 true JP2681340B2 (en) | 1997-11-26 |
Family
ID=16206668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6187471A Expired - Fee Related JP2681340B2 (en) | 1994-08-09 | 1994-08-09 | Pipe member laying method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2681340B2 (en) |
-
1994
- 1994-08-09 JP JP6187471A patent/JP2681340B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0849284A (en) | 1996-02-20 |
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