JPH0584800B2 - - Google Patents
Info
- Publication number
- JPH0584800B2 JPH0584800B2 JP63115361A JP11536188A JPH0584800B2 JP H0584800 B2 JPH0584800 B2 JP H0584800B2 JP 63115361 A JP63115361 A JP 63115361A JP 11536188 A JP11536188 A JP 11536188A JP H0584800 B2 JPH0584800 B2 JP H0584800B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- walled
- thin
- synthetic resin
- existing
- 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 - Lifetime
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Sewage (AREA)
- Lining And Supports For Tunnels (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はシールド二次覆工用薄肉管の固定方
法に関し、ヒユーム管など既設老朽管を更正する
方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for fixing thin-walled pipes for secondary shield lining, and relates to a method for rehabilitating existing aging pipes such as humid pipes.
地中埋設される排水管などで、かなりの長期間
経過したものは排水中に含まれる種々の腐蝕成分
により管壁が腐蝕され破孔が生じたり、破孔が生
じる寸前となつている場合が往々にしてある。
Drainage pipes that have been buried underground for a considerable period of time may have corroded pipe walls due to various corrosive components contained in the wastewater, resulting in holes or on the verge of forming holes. It often happens.
このような既設老朽管にあつては、本来であれ
ば早急に掘り起し、新規な管に取り替えることと
なるが、複雑化した交通事情等により大規模とな
る掘り起し工事が行なえない場合があり、近年に
おいては、既設埋設管内に第３図に示すように
FRP製などの薄肉管ＡをキヤンバーＢ…Ｂを用
いて同心状に配設し、隙間Ｃにセメントを注入し
て硬化させるシールド二次覆工法が採用されてい
る。 Normally, such old existing pipes should be dug up and replaced with new pipes as soon as possible, but if large-scale digging work cannot be carried out due to complicated traffic conditions, etc. In recent years, as shown in Figure 3, inside the existing underground pipes,
A secondary shield lining method is used in which thin-walled pipes A made of FRP or the like are arranged concentrically using cambers B...B, and cement is injected into the gap C and hardened.
ところで、上記シールド二次覆行法による場
合、薄肉管Ａ内には、セメントの重量による薄肉
管Ａの曲げ、又は座屈変形を防止するため管内部
に補強治具Ｄを配設する必要があり、モルタル注
入硬化後は、上記補強治具Ｄが狭い管内に散乱
し、引き続いて行なわれる接続管の施工に非常な
障害となり、また、施工手順も複雑であることと
相俟つてこれらの工事は、かなり面倒な施工とな
る欠点が有つた。
By the way, when using the above-mentioned shield secondary crossing method, it is necessary to arrange a reinforcing jig D inside the thin-walled pipe A to prevent bending or buckling deformation of the thin-walled pipe A due to the weight of cement. However, after the mortar has been injected and hardened, the reinforcing jig D is scattered inside the narrow pipe, creating a serious hindrance to the subsequent construction of the connecting pipe.In addition, the construction procedure is complicated, and this work is difficult. However, it had the disadvantage that it was quite a troublesome construction work.
この発明は上記問題点に鑑み、薄肉管搬入後、
管内には殆ど障害物が突出、又は散乱させること
なく非常に簡素な状態として工事を進めることの
出来るシールド二次覆工用薄肉管の固定方法を提
供することを目的としてなされたものである。
In view of the above-mentioned problems, this invention has been developed to
The purpose of this invention is to provide a method for fixing a thin-walled pipe for secondary shield lining, which allows work to be carried out in a very simple state without any obstacles protruding or scattering inside the pipe.
即ち、この発明のシールド二次覆工用薄肉管の
固定方法は既設老朽管内に合成樹脂薄肉管を搬入
し、底部にスペーサを介挿して両者の中心軸高さ
を一致させ、次いで前記合成樹脂薄肉管内より径
方向へボルトを挿通し、該ボルト先端を前記既設
老朽管内壁に打ち込み、合成樹脂薄肉管を老朽管
内に同心状に固定し、しかる後内外管隙間にモル
タルを注入し硬化させることを特徴とするもので
ある。
That is, the method of fixing a thin-walled pipe for secondary shield lining of the present invention is to carry a synthetic resin thin-walled pipe into an existing old pipe, insert a spacer at the bottom to match the central axis height of the two, and then fix the synthetic resin thin-walled pipe into the existing old pipe. Insert a bolt radially from inside the thin-walled pipe, drive the tip of the bolt into the inner wall of the existing aged pipe, fix the synthetic resin thin-walled pipe concentrically within the aged pipe, and then inject mortar into the gap between the inner and outer pipes and harden it. It is characterized by:
次に、この発明の実施例により説明する。 Next, examples of the present invention will be explained.
第１図はこの発明の実施例の断面図、第２図は
第１図の−線断面図である。 FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line -- in FIG.
この発明のシールド二次覆工用薄肉管の固定方
法はヒユーム管などの既設老朽管１内にFRPな
どの合成樹脂製薄肉管２を搬入し、底部３にスペ
ーサ４を介挿して両者１，２の中心軸高さＨを一
致させ、次いで合成樹脂製薄肉管２内より径方向
へボルト５…５を挿通し、このボルト５…５先端
を既設老朽管１内壁に打ち込み、薄肉管２を老朽
管１内に同心状に固定し、しかる後内外管隙間６
にモルタル（図示せず）を注入し硬化させるので
ある。 The method of fixing a thin-walled pipe for secondary shield lining according to the present invention is to carry a thin-walled pipe 2 made of synthetic resin such as FRP into an existing old pipe 1 such as a hump pipe, insert a spacer 4 into the bottom part 3, 2, then insert the bolts 5...5 in the radial direction from inside the synthetic resin thin-walled pipe 2, and drive the tips of the bolts 5...5 into the inner wall of the existing aged pipe 1 to tighten the thin-walled pipe 2. It is fixed concentrically within the aged pipe 1, and then the inner and outer pipe gaps 6 are fixed.
Mortar (not shown) is injected into it and hardened.
上記において、ボルト５…５は、既設老朽管１
の肉厚が充分厚い場合は、その先端は管１の内壁
で固定されるが、既設老朽管１の肉厚が薄い場
合、又は丁度破孔に一致する場合は、周囲の埋設
土壌に達する長さのものとされる。 In the above, the bolts 5...5 are the existing aged pipes 1
If the wall thickness of the pipe is sufficiently thick, the tip will be fixed on the inner wall of the pipe 1, but if the wall thickness of the existing old pipe 1 is thin or if it coincides with the hole, the tip will be long enough to reach the surrounding buried soil. It is said to belong to
既設老朽管１内の合成樹脂製薄肉管２は、径方
向に突設されたボルト５…５で既設老朽管１内に
同心状に固定され、また、ボルト５の先端が老朽
管１管壁に打ち込まれているため、薄肉管２は径
方向内外のいずれの方向にも確実に支持される。
The synthetic resin thin-walled pipe 2 in the existing aged pipe 1 is fixed concentrically within the existing aged pipe 1 with bolts 5...5 protruding in the radial direction, and the tip of the bolt 5 is attached to the wall of the aged pipe 1. Since the thin-walled tube 2 is driven in, the thin-walled tube 2 is reliably supported in both the inside and outside directions in the radial direction.
この発明は以上説明したように、既設老朽管内
において更正用として搬入した新規合成樹脂製薄
肉管が径方向に突設したボルトのみによつて径内
外方向に支持されるため、管内には補強治具を配
設する必要がなく、従つて、配管設定後、モルタ
ル注入、硬化後も、管内には何等の障害物はな
く、きわめて簡素な状況で工事を進めることが出
来るのである。
As explained above, in this invention, a new thin-walled synthetic resin pipe brought into an existing aging pipe for rehabilitation is supported radially and outwardly only by bolts protruding in the radial direction. There is no need to install any tools, and therefore, even after piping is set, mortar is injected, and hardened, there are no obstacles inside the pipes, and construction can proceed under extremely simple conditions.
また、補強治具を一さい用いないので、その分
工程も省略され、省力化が図れるなどの効果を有
する。 Furthermore, since no reinforcing jig is used, the process is also omitted, resulting in labor savings.
第１図はこの発明の実施例の断面図、第２図は
第１図の−線断面図、第３図は従来例の断面
図である。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is a sectional view of a conventional example.
Claims (1)
部にスペーサを介挿して両者の中心軸高さを一致
させ、次いで前記合成樹脂薄肉管内より径方向へ
ボルトを挿通し、該ボルト先端を前記既設老朽管
内壁に打ち込み、合成樹脂薄肉管を老朽管内に同
心状に固定し、しかる後内外管隙間にモルタルを
注入し硬化させることを特徴とするシールド二次
覆工用薄肉管の固定方法。1. A synthetic resin thin-walled pipe is carried into the existing aging pipe, a spacer is inserted at the bottom of the pipe to match the center axis height of the two, and then a bolt is inserted in the radial direction from inside the synthetic resin thin-walled pipe, and the tip of the bolt is inserted into the above-mentioned A method for fixing thin-walled pipes for secondary shield lining, characterized by driving the thin-walled synthetic resin pipe into the inner wall of the existing aged pipe, fixing the synthetic resin thin-walled pipe concentrically within the aged pipe, and then injecting mortar into the gap between the inner and outer pipes and hardening it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63115361A JPH01284699A (en) | 1988-05-12 | 1988-05-12 | Fixing of thin pipe for shield secondary construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63115361A JPH01284699A (en) | 1988-05-12 | 1988-05-12 | Fixing of thin pipe for shield secondary construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01284699A JPH01284699A (en) | 1989-11-15 |
| JPH0584800B2 true JPH0584800B2 (en) | 1993-12-03 |
Family
ID=14660624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63115361A Granted JPH01284699A (en) | 1988-05-12 | 1988-05-12 | Fixing of thin pipe for shield secondary construction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01284699A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2575940B2 (en) * | 1990-09-20 | 1997-01-29 | 西松建設株式会社 | Conduit construction method |
| JP7063697B2 (en) * | 2018-04-12 | 2022-05-09 | 積水化学工業株式会社 | Rehabilitation structure and rehabilitation method of existing pipes |
-
1988
- 1988-05-12 JP JP63115361A patent/JPH01284699A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01284699A (en) | 1989-11-15 |
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