JP2003184313A - Repair method for injecting grout and repair device - Google Patents
Repair method for injecting grout and repair deviceInfo
- Publication number
- JP2003184313A JP2003184313A JP2001390062A JP2001390062A JP2003184313A JP 2003184313 A JP2003184313 A JP 2003184313A JP 2001390062 A JP2001390062 A JP 2001390062A JP 2001390062 A JP2001390062 A JP 2001390062A JP 2003184313 A JP2003184313 A JP 2003184313A
- Authority
- JP
- Japan
- Prior art keywords
- injection
- repair
- hole
- injecting
- crack
- 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
Landscapes
- Lining And Supports For Tunnels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、コンクリート構造
物、岩盤などに発生したひび割れなどの空洞箇所に注入
材を注入して補修する補修方法及び補修装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a repairing method and a repairing device for injecting a casting material into a cavity such as a crack generated in a concrete structure or rock to repair it.
【０００２】[0002]
【従来の技術】最近、老朽化したトンネルや高速道路な
どのコンクリート構造物のひび割れが問題となってお
り、ひびの中にセメントや樹脂などの注入材を注入して
補修している。例えば、特開平１０−２９９２５１号公
報には、コンクリートの亀裂、ひび割れなどの空隙部に
セメントの微粒子をペースト状にしてグリースポンプに
より圧入する補修方法が記載されている。2. Description of the Related Art Recently, cracking of concrete structures such as aged tunnels and highways has become a problem, and an injecting material such as cement or resin is injected into the cracks for repair. For example, Japanese Patent Application Laid-Open No. 10-299251 describes a repairing method in which cement fine particles are made into a paste in voids such as concrete cracks and cracks, and the paste is press-fitted with a grease pump.
【０００３】[0003]
【発明が解決しようとする課題】コンクリートや自然岩
盤などの亀裂の空隙部にセメントや樹脂などの注入材を
注入する際、ひび割れ、亀裂の空隙部内に存在する空気
は、注入材の注入に対して大きな抵抗体となるため、注
入しにくく、また、ポンプ圧力を大きくしなければなら
ないという欠点があった。When injecting an injectable material such as cement or resin into a void space of a crack such as concrete or natural rock, air present in the void space of a crack or a crack is different from that of the injection material. Since it becomes a large resistor, it is difficult to inject, and the pump pressure has to be increased.
【０００４】そこで、本発明は、コンクリートや自然岩
盤などのひび割れの空隙部に注入材を容易に注入して補
修することができる注入材を注入する補修方法及び補修
装置を提供するものである。Therefore, the present invention provides a repairing method and a repairing device for injecting an injectable material which can be easily injected and repaired in a void space of a crack such as concrete or natural rock.
【０００５】[0005]
【課題を解決するための手段】本発明の注入材を注入す
る補修方法は、ひび割れなどの空隙部が形成された補修
箇所に注入材を注入して補修する方法であって、補修箇
所に、注入材を注入する注入孔を形成するとともに、補
修箇所内の空気を吸引する空気吸引孔を形成し、補修箇
所表面をシールした後、補修箇所内部の空気を空気吸引
孔から吸引して負圧にしながら、注入材を注入孔から注
入することを特徴とする。A repair method for injecting an injection material according to the present invention is a method for injecting an injection material into a repair portion where a void such as a crack is formed and repairing the repair area. While forming the injection hole for injecting the injection material, forming the air suction hole for sucking the air in the repaired part, sealing the surface of the repaired part, and sucking the air in the repaired part from the air suction hole However, the injection material is injected through the injection hole.
【０００６】さらに、注入材の注入前に補修箇所に形成
した確認孔、調査孔あるいは空気吸引孔それぞれに内視
鏡を挿入して補修箇所の内部を観察、あるいは注入材の
注入後に注入箇所に形成した確認孔、調査孔あるいは空
気吸引孔それぞれに内視鏡を挿入して注入箇所の注入状
態を観察することにより、確実に補修が可能となる。Further, an endoscope is inserted into each of the confirmation hole, the inspection hole, and the air suction hole formed in the repaired portion before the injection of the injection material to observe the inside of the repaired portion, or after the injection of the injection material By inserting an endoscope into each of the formed confirmation hole, inspection hole, or air suction hole and observing the injection state at the injection site, it is possible to reliably perform repair.
【０００７】また、本発明のひび割れ補修装置は、ひび
割れなどの空隙部が形成された補修箇所に形成された注
入孔に接続して注入材を注入する注入ホースと、補修箇
所に形成された空気吸引孔に接続して補修箇所内の空気
を吸引する吸引ホースを備えたことを特徴とする。Further, the crack repairing apparatus of the present invention comprises an injection hose for injecting an injection material by connecting to an injection hole formed at a repaired part where a void such as a crack is formed, and an air formed at the repaired part. It is characterized by comprising a suction hose connected to the suction hole for sucking air in the repaired portion.
【０００８】[0008]
【発明の実施の形態】本発明は、コンクリート構造物の
亀裂や劣化部の補修、老朽化したコンクリート吹き付け
面の再生、ダムや排水配管の止水、トンネルの補修や補
強、電柱の補強などに適用できる。BEST MODE FOR CARRYING OUT THE INVENTION The present invention is used for repairing cracks and deteriorated parts of concrete structures, regeneration of aged concrete sprayed surfaces, water stoppage of dams and drainage pipes, repair and reinforcement of tunnels, and reinforcement of electric poles. Applicable.
【０００９】注入材には、従来から使用されている速乾
性モルタル、液混合ポリウレタン樹脂、液混合シリケイ
ト樹脂などを使用することができる。As the injection material, conventionally used quick-drying mortar, liquid mixed polyurethane resin, liquid mixed silicate resin and the like can be used.
【００１０】注入パッカーは、取付孔だけでなく、調査
孔、確認孔あるいは空気吸引孔にも注入パッカーを取り
付けることができる。また、調査孔あるいは確認孔を真
空吸引、調査、確認に利用することもできる。The injection packer can be attached not only to the mounting hole but also to the inspection hole, the confirmation hole or the air suction hole. Also, the inspection hole or the confirmation hole can be used for vacuum suction, investigation, and confirmation.
【００１１】図１は本発明のひび割れ補修方法の手順を
示す図で、図１を参照して手順を説明する。FIG. 1 is a diagram showing the procedure of the crack repairing method of the present invention. The procedure will be described with reference to FIG.
【００１２】（１）コンクリート構造物、石積み、地盤
などを目視、打音などにより亀裂１、空洞等の異常箇所
を調査し、異常箇所の長さ、幅などをメジャー２で測定
する（図１ａ）。(1) A concrete structure, a masonry, a ground, etc. are visually inspected for abnormal places such as cracks 1 and cavities by tapping sound, and the length and width of the abnormal place are measured with a measure 2 (FIG. 1a). ).
【００１３】（２）異常箇所の内部の状態を内視鏡によ
り調査するため、内視鏡を通すための調査孔３をドリル
４により穿孔する。調査孔３の径は１０ｍｍ程度でよい
ので、調査孔３を穿孔しても調査対象物へのダメージは
ない（図１ｂ）。(2) In order to inspect the internal state of the abnormal portion with the endoscope, the inspection hole 3 for passing the endoscope is drilled with the drill 4. Since the diameter of the inspection hole 3 may be about 10 mm, even if the inspection hole 3 is drilled, the object to be investigated is not damaged (FIG. 1b).
【００１４】（３）穿孔後、調査孔３に内視鏡５を挿入
して異常箇所の内部の状態を直接観察する（図１ｃ）。(3) After perforation, the endoscope 5 is inserted into the inspection hole 3 to directly observe the internal state of the abnormal portion (FIG. 1c).
【００１５】図２は本発明で使用する内視鏡の１例を示
す斜視図である。内視鏡５には、光源５ａ、カメラ５ｂ
が付属しており、内部の状態を写真に記録することがで
き、また、テレビ画像で観察することも可能である。映
像や写真などのデーターにより注入材の種類、注入量を
求める。FIG. 2 is a perspective view showing an example of an endoscope used in the present invention. The endoscope 5 includes a light source 5a and a camera 5b.
Is attached, and the internal condition can be recorded in a photograph, and it is also possible to observe it on a television image. Determine the type of injection material and injection amount from data such as images and photographs.
【００１６】（４）調査終了後、異常箇所を高圧空気６
を吹き付けて清掃する（図１ｄ）。(4) After the investigation, the high pressure air 6
To clean (Fig. 1d).
【００１７】（５）亀裂に、注入用パッカーの取付孔７
を形成するとともに、内視鏡を挿入して注入箇所の注入
状態を確認するための確認孔８を異常箇所に向けて斜め
に穿孔する。(5) Mounting holes 7 for the packing packer for injection in the cracks
In addition to the above, a confirmation hole 8 for inserting the endoscope and confirming the injection state of the injection site is formed obliquely toward the abnormal site.
【００１８】亀裂部分を速乾モルタルなどのシール材９
でシールする。確認孔８、取付孔７と空気吸引孔１０の
間隔は亀裂の大きさ、空洞の範囲により求める。（図１
ｅ、ｆ）。Sealing material such as fast-drying mortar for the cracked portion 9
Seal with. The space between the confirmation hole 8, the mounting hole 7 and the air suction hole 10 is determined by the size of the crack and the range of the cavity. (Fig. 1
e, f).
【００１９】（６）空気を抜く空気吸引孔１０を形成す
る（図１ｇ）。(6) An air suction hole 10 for venting air is formed (FIG. 1g).
【００２０】（７）注入機械をセットし注入を開始する
（図１ｈ）。(7) Set the injection machine and start injection (FIG. 1h).
【００２１】図３は本発明に使用する注入機械の一例を
示す図である。注入機械は、注入ホース１１と吸引ホー
ス１２を備え、注入ホース１１側は移送ポンプ１３を介
して注入材の供給源に接続され、吸引ポンプ１４により
吸引される。FIG. 3 is a view showing an example of an injection machine used in the present invention. The injection machine includes an injection hose 11 and a suction hose 12. The injection hose 11 side is connected to a supply source of the injection material via a transfer pump 13 and sucked by a suction pump 14.
【００２２】注入ホース１１は注入用パッカーの取付孔
７に接続され、吸引ホース１２は空気吸引孔１０に接続
され、異常箇所の内部の空気を吸引して負圧にしなが
ら、注入ホースから注入材を注入する。The injection hose 11 is connected to the mounting hole 7 of the injection packer, and the suction hose 12 is connected to the air suction hole 10 to suck the air inside the abnormal portion to a negative pressure and to inject the material from the injection hose. Inject.
【００２３】（８）注入終了後、シール材９を撤去する
（図１ｉ）。(8) After the injection is completed, the sealing material 9 is removed (FIG. 1i).
【００２４】（９）シール材９を撤去後、調査孔８、調
査孔８あるいは空気吸引孔１０それぞれに内視鏡５を挿
入して、注入状態を確認する（図１ｊ）。注入不足など
の不備があれば、再度注入する。その後、調査孔を塞
ぐ。(9) After removing the sealing material 9, the endoscope 5 is inserted into each of the inspection hole 8, the inspection hole 8 and the air suction hole 10 to check the injection state (FIG. 1j). If there is a defect such as insufficient injection, inject again. After that, the investigation hole is closed.
【００２５】[0025]
【発明の効果】本発明によれば、注入箇所を吸引しなが
ら注入材を注入するので、注入箇所に存在する空気によ
る大きな抵抗を受けることなく注入を円滑に行うことが
できる。According to the present invention, since the injection material is injected while sucking the injection portion, the injection can be smoothly performed without receiving a large resistance due to the air existing at the injection portion.
【００２６】また、異常箇所に調査孔を形成し、この調
査孔に内視鏡を挿入して、注入箇所の調査、注入後の注
入状態の確認を行うので、異常箇所を確実に補修するこ
とが可能となる。Further, since an inspection hole is formed at the abnormal portion and an endoscope is inserted into this inspection hole to inspect the injection portion and confirm the injection state after the injection, the abnormal portion should be repaired surely. Is possible.
【図１】本発明のひび割れ補修方法の手順を示す図であ
る。FIG. 1 is a diagram showing a procedure of a crack repairing method of the present invention.
【図２】本発明で使用する内視鏡の１例を示す斜視図で
ある。FIG. 2 is a perspective view showing an example of an endoscope used in the present invention.
【図３】本発明に使用する注入機械の一例を示す図であ
る。FIG. 3 is a diagram showing an example of an injection machine used in the present invention.
１：亀裂 ２：メジャー ３：調査孔 ４：ドリル
５：内視鏡 ５ａ：光源
５ｂ：カメラ ６：高圧空気 ７：注入用パッカーの取
付孔 ８：確認孔 ９：シール材 １０：空気吸引孔
１１：注入ホース １２：吸引ホース １３：移送ポン
プ1: Crack 2: Measure 3: Survey hole 4: Drill
5: Endoscope 5a: Light Source 5b: Camera 6: High Pressure Air 7: Mounting Hole for Packer for Injection 8: Confirmation Hole 9: Sealing Material 10: Air Suction Hole
11: Injection hose 12: Suction hose 13: Transfer pump
Claims (4)
箇所に注入材を注入して補修する方法であって、補修箇
所に、注入材を注入する注入孔を形成するとともに、補
修箇所内の空気を吸引する空気吸引孔を形成し、補修箇
所表面をシールした後、補修箇所内部の空気を空気吸引
孔から吸引して負圧にしながら、注入材を注入孔から注
入することを特徴とする注入材を注入する補修方法。1. A method of injecting an injectable material into a repaired portion where a void such as a crack is formed, for repairing, wherein an injection hole for injecting the injectable material is formed in the repaired portion and A feature is that after forming an air suction hole for sucking air and sealing the surface of the repaired portion, the air inside the repaired portion is sucked from the air suction hole to a negative pressure, and the injection material is injected from the injection hole. Repair method of injecting injection material.
認孔、調査孔あるいは空気吸引孔それぞれに内視鏡を挿
入して補修箇所の内部を観察することを特徴とする請求
項１記載の注入材を注入する補修方法。2. The inside of the repaired part is observed by inserting an endoscope into each of the confirmation hole, the inspection hole or the air suction hole formed in the repaired part before injecting the injection material. Repair method of injecting injection material.
確認孔、調査孔あるいは空気吸引孔それぞれに内視鏡を
挿入して注入箇所の注入状態を観察することを特徴とす
る請求項１又は２記載のひび割れ補修方法。3. After the injection of the injection material, an endoscope is inserted into each of the confirmation hole, the inspection hole or the air suction hole formed at the injection point to observe the injection state at the injection point. Alternatively, the crack repairing method described in 2.
箇所に形成された注入孔に接続して注入材を注入する注
入ホースと、補修箇所に形成された空気吸引孔に接続し
て補修箇所内の空気を吸引する吸引ホースを備えたこと
を特徴とする補修装置。4. An injection hose which is connected to an injection hole formed in a repaired portion where a void such as a crack is formed and injects an injection material, and an air suction hole which is formed in the repaired portion is connected to the repaired portion. A repair device comprising a suction hose for sucking the air inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001390062A JP3932337B2 (en) | 2001-12-21 | 2001-12-21 | Repair method for injecting injection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001390062A JP3932337B2 (en) | 2001-12-21 | 2001-12-21 | Repair method for injecting injection material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003184313A true JP2003184313A (en) | 2003-07-03 |
| JP3932337B2 JP3932337B2 (en) | 2007-06-20 |
Family
ID=27598097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001390062A Expired - Fee Related JP3932337B2 (en) | 2001-12-21 | 2001-12-21 | Repair method for injecting injection material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3932337B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009160780A (en) * | 2007-12-28 | 2009-07-23 | Goei Seisakusho:Kk | Method of forming deep hole in concrete structure and its inspection and repair methods |
| KR100918139B1 (en) | 2009-02-23 | 2009-09-17 | (주)두루하이텍 | The grouting apparatus of two components type grout for crack repair and reinforcement of concrete structures |
| JP2011185629A (en) * | 2010-03-05 | 2011-09-22 | Nishimatsu Constr Co Ltd | Inspection tool and inspection method |
| JP2011256641A (en) * | 2010-06-10 | 2011-12-22 | Fs Technical Corp | Wall body diagnosis method and wall body diagnosis report |
| JP2014148847A (en) * | 2013-02-01 | 2014-08-21 | East Japan Railway Co | Concrete structure repair method, concrete structure repair structure and concrete structure repair system |
| JPWO2016006049A1 (en) * | 2014-07-09 | 2017-05-25 | 一般社団法人日本建設機械施工協会 | Method and system for investigating cracks in concrete structures |
| JP2018071301A (en) * | 2016-11-04 | 2018-05-10 | 槇谷 榮次 | Earthquake performance recovery and repair method of structure |
| CN110196213A (en) * | 2019-05-15 | 2019-09-03 | 三峡大学 | A kind of visualized experiment device and method for study of rocks crack induction type grouting parameter |
| JP2020041403A (en) * | 2018-09-05 | 2020-03-19 | 国立大学法人 熊本大学 | Crack repair method and crack repair system |
| CN113404323A (en) * | 2021-06-29 | 2021-09-17 | 中国建筑科学研究院有限公司 | Device and method for repairing filling degree defect of steel bar sleeve grouting connection |
-
2001
- 2001-12-21 JP JP2001390062A patent/JP3932337B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009160780A (en) * | 2007-12-28 | 2009-07-23 | Goei Seisakusho:Kk | Method of forming deep hole in concrete structure and its inspection and repair methods |
| KR100918139B1 (en) | 2009-02-23 | 2009-09-17 | (주)두루하이텍 | The grouting apparatus of two components type grout for crack repair and reinforcement of concrete structures |
| JP2011185629A (en) * | 2010-03-05 | 2011-09-22 | Nishimatsu Constr Co Ltd | Inspection tool and inspection method |
| JP2011256641A (en) * | 2010-06-10 | 2011-12-22 | Fs Technical Corp | Wall body diagnosis method and wall body diagnosis report |
| JP2014148847A (en) * | 2013-02-01 | 2014-08-21 | East Japan Railway Co | Concrete structure repair method, concrete structure repair structure and concrete structure repair system |
| JPWO2016006049A1 (en) * | 2014-07-09 | 2017-05-25 | 一般社団法人日本建設機械施工協会 | Method and system for investigating cracks in concrete structures |
| JP2018071301A (en) * | 2016-11-04 | 2018-05-10 | 槇谷 榮次 | Earthquake performance recovery and repair method of structure |
| JP2020041403A (en) * | 2018-09-05 | 2020-03-19 | 国立大学法人 熊本大学 | Crack repair method and crack repair system |
| JP7340812B2 (en) | 2018-09-05 | 2023-09-08 | 国立大学法人 熊本大学 | Crack repair method and crack repair system |
| CN110196213A (en) * | 2019-05-15 | 2019-09-03 | 三峡大学 | A kind of visualized experiment device and method for study of rocks crack induction type grouting parameter |
| CN113404323A (en) * | 2021-06-29 | 2021-09-17 | 中国建筑科学研究院有限公司 | Device and method for repairing filling degree defect of steel bar sleeve grouting connection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3932337B2 (en) | 2007-06-20 |
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