JPH0194134A - Cut off method of crack of concrete structure - Google Patents
Cut off method of crack of concrete structureInfo
- Publication number
- JPH0194134A JPH0194134A JP62249359A JP24935987A JPH0194134A JP H0194134 A JPH0194134 A JP H0194134A JP 62249359 A JP62249359 A JP 62249359A JP 24935987 A JP24935987 A JP 24935987A JP H0194134 A JPH0194134 A JP H0194134A
- Authority
- JP
- Japan
- Prior art keywords
- water
- agent
- sealing
- crack
- box
- 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 claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000004088 foaming agent Substances 0.000 claims description 11
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はトンネル、地下室、ダム、えん堤、プール、屋
外等コンクリート建造物に発生したひび割れからの浸水
、漏水を防止する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for preventing water intrusion and leakage from cracks occurring in concrete structures such as tunnels, basements, dams, dams, swimming pools, and outdoors.
（従来の技術）
従来のコンクリート建造物のひび割れがらの浸水、漏水
を防止する方法は、ひび割れのコンクリート表面部分を
７字状に切欠し、このＶ字状切欠に樹脂注入管を挿入し
この上方から樹脂注入管を埋設するように急結モルタル
を打ち込んで樹脂注入管をコンクリート壁に固定する。(Prior art) The conventional method for preventing water intrusion and leakage from cracked concrete buildings is to cut out the cracked concrete surface in a figure 7 shape, insert a resin injection pipe into this V-shaped cutout, and then Fix the resin injection pipe to the concrete wall by pouring quick-setting mortar to bury the resin injection pipe.
その後樹脂注入管に注入ノズルを取付けて、ウレタン系
発泡樹脂を注入し、注入されたウレタン系発泡樹脂が水
に触れて発泡しひび割れの空隙の深部及び分岐クラック
に進入して接着硬化させることによって止水させるもの
である。After that, an injection nozzle is attached to the resin injection pipe and urethane foam resin is injected, and the injected urethane foam resin foams when it comes into contact with water, enters the deep parts of the cracks and branch cracks, and hardens the adhesive. It stops water.
（発明が解決しようとする問題点）
従来のＶ字状切欠を設けて行う止水方法では、Ｖ字状切
欠をコンクリート壁面のひび割れに沿って削孔する削孔
工程、及び樹脂注入管の挿入工程と急結セメントの打設
工程を必要とするため、時間がかかっていて短時間に行
わねばならないトンネル作業等においては問題となって
いた。又、ひび割れが湾曲していた場合、及びメインの
ひび割れから直交方向する方向にひび割れ、周辺のひび
割れが多く走っている場合には従来の方法では止水する
ことが難しかった。(Problems to be Solved by the Invention) The conventional water stop method using a V-shaped notch requires a drilling process in which the V-shaped notch is drilled along the crack in the concrete wall, and insertion of a resin injection pipe. Because it requires a process and a process for placing quick-setting cement, it is time-consuming and has been a problem in tunnel work that must be done in a short period of time. Furthermore, if the crack is curved, if there are many cracks running perpendicular to the main crack, or if there are many cracks in the periphery, it is difficult to stop water using conventional methods.
（問題点を解決するための手段）
本発明はこれらの問題を解決し、工期が短縮でき、又、
メインのひび割れが湾曲していても施工が容易で、又分
岐ひび割れ、周辺ひび割れをも同時に止水することがで
きるという実用的なコンクリート建造物のひび割れの止
水方法を提供せんとするものである。(Means for solving the problems) The present invention solves these problems, shortens the construction period, and
The present invention aims to provide a practical method for water-stopping cracks in concrete buildings, which is easy to construct even if the main crack is curved, and can also water-stop branch cracks and peripheral cracks at the same time. .
本発明の要旨は、周縁の一部が他の周縁の一部と同一外
周形状に陥み且つ底面を大きく開口した箱体に止水剤注
入口と排出口とを設け、しかも周縁にパツキンを周設し
た構造の止水剤封止箱を多数用意し、コンクリート構造
物の表面のひび割れを塞ぐように止水剤封止箱をコンク
リート表面に置き、これをアンカーボルトでもって固定
し、固定した止水剤封止箱の陥凹部に次の止水剤封止箱
を次のひび割れ部分を有効に塞ぐ位相状態にその外周縁
を嵌合させ、この状態でアンカーボルトでもってコンク
リート壁面に固定させ、これをひび割れ線に沿って繰り
返して止水剤封止箱を多数コンクリート壁面に連続して
固定していき、その後各止水剤封止箱の止水剤注入口よ
り発泡剤・接着剤等の止水剤を圧入し、排出口も塞いで
止水剤を止水剤封止箱に充填させて止水剤をひび割れ内
部に圧入させることでひび割れの深部、周辺まで止水剤
を注入して接着硬化させて漏水、浸水を防ぐことを特徴
とするコンクリート構造物のひび割れの止水方法にある
。The gist of the present invention is to provide a water stop agent inlet and a discharge port in a box body in which a part of the periphery is recessed into the same outer periphery shape as a part of the other periphery and has a large bottom opening, and a seal is provided on the periphery. A large number of water sealing boxes with a surrounding structure were prepared, and the boxes were placed on the concrete surface so as to close the cracks on the surface of the concrete structure, and these were fixed with anchor bolts. Fit the outer edge of the next water sealing agent sealing box into the recessed part of the water sealing agent sealing box in a phase state that effectively closes the next crack, and in this state, fix it to the concrete wall surface with an anchor bolt. , Repeat this process along the crack line to successively fix a large number of water sealing boxes to the concrete wall, and then inject foaming agent, adhesive, etc. from the water sealing agent injection port of each water sealing box. By press-fitting the water-stopping agent into the crack, sealing the outlet and filling the water-stopping agent into the sealing box, the water-stopping agent can be injected deep into and around the crack. The present invention provides a water stoppage method for cracks in concrete structures, which is characterized by preventing water leakage and water intrusion by curing the adhesive.
（実施例） 以下、実施例を図面に基づいて説明する。(Example) Examples will be described below based on the drawings.
図面に示す実施例は止水剤としてウレタン系発泡剤を使
用し、平面からみて円形状で平頭な箱体（１１に円弧状
に一部を陥ました止水剤封止箱（２）を使用した例であ
る。The embodiment shown in the drawing uses a urethane-based foaming agent as a water sealing agent, and has a circular, flat-headed box (11) with a water sealing agent sealing box (2) partially recessed in an arc shape when viewed from the top. This is an example used.
図中（３）は止水剤封止箱（２）の周縁陥凹部、（４）
は止水剤封止箱の開口、（５）は止水剤注入口、（６）
は排出口、（７）は止水剤注入口（５）に取付けたバル
ブ付止水剤注入管、（８）は排出口（６）に取付けたバ
ルブ付排出管、（９）は止水剤封止箱（２）の周縁に取
付けたゴムパツキン、（１０はアンカーボルト、（ＩＩ
）はコンクリート壁、（１４はひび割れ、（１３は発泡
剤、（１４はアンカーボルト（１１）の締付ナラ） 、
（ｌ鴎はアンカーボルト貫通孔である。In the figure (3) is the peripheral recessed part of the water sealing agent sealing box (2), (4)
is the opening of the water sealing agent sealing box, (5) is the water sealing agent injection port, (6)
is the discharge port, (7) is the water stop agent injection pipe with a valve attached to the water stop agent inlet (5), (8) is the discharge pipe with a valve attached to the discharge port (6), (9) is the water stop agent injection pipe Rubber packing attached to the periphery of the agent sealing box (2), (10 is an anchor bolt, (II)
) is a concrete wall, (14 is a crack, (13 is a foaming agent, (14 is an anchor bolt (11) tightened),
(l) is the anchor bolt through hole.
この実施例では、ひび割れ線に沿って多数のアンカーボ
ルト（ｌＩをまず植設する。植設するに当たって止水剤
封止箱（２）がひび割れ（１４を略中夫に収めて塞ぐ様
に連設してその配列を決め、その配列の止水剤封止箱の
アンカーボルト貫通孔（１１からアンカーボルト（１１
の植設位置を決定する。In this embodiment, a large number of anchor bolts (lI) are first planted along the crack line. During the installation, the water sealing agent sealing box (2) is connected to the crack (14) so as to fit it into a substantially hollow shaft and seal it. the anchor bolt through holes (11) to the anchor bolts (11
Determine the planting location.
その後、止水剤封止箱（２）をひび割れ（ｌａのあるコ
ンクリート壁（ｌｌ）に当て、アンカーボルトαＯ）を
アンカーボルト貫通孔（１５）に挿入して締付ナラ）
（１，ｅで締付てゴムパツキン（９）を圧縮するように
して止水剤封止箱（２）をコンクリート壁（１１）に固
定する。隣の止水剤封止箱（２）にはその一部が固定し
た止水剤封止箱（２）の陥凹部（３）に嵌合する様に連
接して、前記同様にアンカーボルト０のと締付ナツト（
１４とでもってコンクリート壁（ｌＩ）に圧接状態に固
定する。これを繰り返すことでひび割れ線に沿って多数
の止水剤封止箱（２）を連設する。必要ならば分岐用の
止水剤封止箱（＋１を設けて分岐した止水剤封止箱列を
形成する。After that, apply the water sealing agent sealing box (2) to the concrete wall (ll) with cracks (la), insert the anchor bolt αO) into the anchor bolt through hole (15), and tighten it.
(Tighten with 1 and e to compress the rubber gasket (9) and fix the water sealing agent sealing box (2) to the concrete wall (11). A part of it is connected so as to fit into the recessed part (3) of the fixed water sealing agent sealing box (2), and the anchor bolt 0 and the tightening nut (
14 and fixed to the concrete wall (lI) in a press-contact state. By repeating this, a large number of water sealing agent sealing boxes (2) are installed in succession along the crack line. If necessary, a branch water sealing agent sealing box (+1) is provided to form a branched water sealing agent sealing box row.
このように止水剤封止箱列をコンクリート壁（１１）に
形成した後、発泡剤を止水剤封止箱（２）の止水剤注入
管（７）から圧入する。圧入された発泡剤（ＩＪによっ
て止水剤封止箱（２）内の水及び空気はその排出管（８
）から排出される。水及び空気が充分排出され発泡剤（
１３が止水剤封止箱（２）内空間を充満させる頃をみは
からって排出管（８）のバルブを閉じる。すると止水剤
注入管（７）より圧入された発泡剤（１３はその外側を
封止され、圧力が高くなってひび割れ（１４内部へ強い
圧力で押し込められ、ひび割れ（ｌａの深部、枝分かれ
部分まで発泡剤を進入させる。充分に発泡剤を注入させ
た後、止水剤注入管（７）のバルブを閉じる。この発泡
側圧大作業な全止水剤封止箱（２）に対して行うことに
よって、ひび割れ線に沿って発泡剤をその深部、周辺、
枝分かれ部分まで進入させ、そのコンクリート壁面との
接着硬化によってひび割れの空隙を埋めて漏水、浸水を
止めるものである。After forming the row of water sealing agent sealing boxes on the concrete wall (11) in this manner, a foaming agent is press-fitted from the water sealing agent injection pipe (7) of the water sealing agent sealing box (2). The water and air in the water sealing agent sealing box (2) are discharged by the press-fitted foaming agent (IJ) through its discharge pipe (8
) is discharged from. Water and air are sufficiently discharged and the foaming agent (
13 fills the space inside the water sealing agent sealing box (2), and close the valve of the discharge pipe (8). Then, the foaming agent (13) that was press-injected from the water sealing agent injection pipe (7) is sealed on the outside, and the pressure increases, causing cracks (14). Inject the foaming agent. After sufficiently injecting the foaming agent, close the valve of the water sealing agent injection pipe (7). This work should be done for the entire water sealing agent sealing box (2), which is a high-pressure work on the foaming side. Apply foaming agent along the crack line, deep around it,
The system penetrates into branching areas and hardens the adhesive to the concrete wall, filling the cracks and preventing water leakage and infiltration.
て行ってもよいが、止水剤封止箱に１１９を個別にコン
クリート壁（１１）に固定する時にアンカーボルト（瑚
を植設して、植設したアンカーボルト（１１に止水剤封
止箱（２）を固定し、次のアンカーボルトの植設と止水
剤封止箱（２）の固定を行う方法によってもよい。However, when fixing 119 individually to the concrete wall (11) in the water sealing agent sealing box, install the anchor bolts (go) and seal the anchor bolts (11 with water sealing agent). Alternatively, the box (2) may be fixed, and then anchor bolts are installed and the water sealing agent sealing box (2) is fixed.
尚本発明の止水剤封止箱の形状は本実施例のものにかぎ
るものでないことは勿論である。It goes without saying that the shape of the water sealing agent sealing box of the present invention is not limited to that of this embodiment.
（発明の効果）
以上の様に本発明によれば、メインのひび割れの深部、
枝分かれ部分まで止水剤を強力に進入させることが出来
るばかりか、メインのひび割れの周辺のひび割れにも止
水剤を進入させることができ、その止水力は大巾に高め
ることが出来た。(Effect of the invention) As described above, according to the present invention, the deep part of the main crack,
Not only was it possible to forcefully penetrate the water-stopping agent into the branching areas, but it was also able to penetrate into the cracks surrounding the main crack, greatly increasing its water-stopping power.
更に曲線にひび割れしていても止水剤封止箱の方向を適
宜変えることによって自在に止水できる。Furthermore, even if there are cracks in the curve, water can be stopped freely by appropriately changing the direction of the water sealing agent sealing box.
しかもひび割れに沿っての削孔工程、注入管の挿入工程
が不要であるので作業が迅速に行える。Moreover, the work can be done quickly because there is no need to drill holes along cracks or insert injection pipes.
第１図は本発明の実施例の工程を示す説明図、第２図は
同実施例の工程の平面状態を示す説明図、第３図は同実
施例に使用する止水剤封止箱を示す斜視図である。Fig. 1 is an explanatory diagram showing the process of the embodiment of the present invention, Fig. 2 is an explanatory diagram showing the planar state of the process of the embodiment, and Fig. 3 is a water sealing agent sealing box used in the embodiment. FIG.
Claims (1)
且つ底面を大きく開口した箱体に止水剤注入口と排出口
とを設け、しかも周縁にパッキンを周設した構造の止水
剤封止箱を多数用意し、コンクリート構造物の表面のひ
び割れを塞ぐように止水剤封止箱をコンクリート表面に
置き、これをアンカーボルトでもって固定し、固定した
止水剤封止箱の陥凹部に次の止水剤封止箱を次のひび割
れ部分を有効に塞ぐ位相状態にその外周縁を嵌合させ、
この状態でアンカーボルトでもってコンクリート壁面に
固定させ、これをひび割れ線に沿って繰り返して止水剤
封止箱を多数コンクリート壁面に連続して固定していき
、その後各止水剤封止箱の止水剤注入口より発泡剤・接
着剤等の止水剤を圧入し、排出口も塞いで止水剤を止水
剤封止箱に充填させて止水剤をひび割れ内部に圧入させ
ることでひび割れの深部、周辺まで止水剤を注入して接
着硬化させて漏水、浸水を防ぐことを特徴とするコンク
リート構造物のひび割れの止水方法。1) A structure in which a part of the periphery is recessed into the same outer periphery shape as a part of the other periphery, and a water stop agent inlet and outlet are provided in a box with a large opening at the bottom, and a packing is provided around the periphery. Prepare a large number of water-stopping agent sealing boxes, place the water-stopping agent sealing boxes on the concrete surface so as to close the cracks on the surface of the concrete structure, fix them with anchor bolts, and remove the fixed water-stopping agent sealing boxes. Fit the outer periphery of the next water sealing agent sealing box into the recessed part of the sealing box in a phase state that effectively seals the next cracked part,
In this state, fix it to the concrete wall using anchor bolts, repeat this process along the crack line, and fix many water sealing agent sealing boxes to the concrete wall in succession. By press-fitting a water-stopping agent such as a foaming agent or adhesive through the water-stopping agent injection port, closing the discharge port and filling the water-stopping agent sealing box with the water-stopping agent, the water-stopping agent can be press-fitted into the crack. A water stopping method for cracks in concrete structures, which is characterized by injecting a water stopping agent deep into and around the cracks and curing the adhesive to prevent water leakage and infiltration.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62249359A JPH0194134A (en) | 1987-10-01 | 1987-10-01 | Cut off method of crack of concrete structure |
| DE8888401793T DE3871451D1 (en) | 1987-07-13 | 1988-07-08 | METHOD AND DEVICE FOR LOCKING CRACKS IN CONCRETE CONSTRUCTIONS. |
| EP88401793A EP0299860B1 (en) | 1987-07-13 | 1988-07-08 | Cutoff method and device for cracks in concrete structures |
| AT88401793T ATE76672T1 (en) | 1987-07-13 | 1988-07-08 | METHOD AND DEVICE FOR BLOCKING CRACKS IN CONCRETE STRUCTURES. |
| CA000571741A CA1319524C (en) | 1987-07-13 | 1988-07-12 | Cutoff method and device for cracks in concrete structures |
| KR1019880008658A KR920009134B1 (en) | 1987-07-13 | 1988-07-12 | Method of repairing fissures in concrete structure |
| US07/658,459 US5063006A (en) | 1987-07-13 | 1991-02-22 | Methods for repairing cracks in concrete structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62249359A JPH0194134A (en) | 1987-10-01 | 1987-10-01 | Cut off method of crack of concrete structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194134A true JPH0194134A (en) | 1989-04-12 |
| JPH055989B2 JPH055989B2 (en) | 1993-01-25 |
Family
ID=17191853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62249359A Granted JPH0194134A (en) | 1987-07-13 | 1987-10-01 | Cut off method of crack of concrete structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194134A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008216201A (en) * | 2007-03-07 | 2008-09-18 | Mitsubishi Heavy Ind Ltd | Device and method for repairing minute defective of water tank lining material |
-
1987
- 1987-10-01 JP JP62249359A patent/JPH0194134A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008216201A (en) * | 2007-03-07 | 2008-09-18 | Mitsubishi Heavy Ind Ltd | Device and method for repairing minute defective of water tank lining material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055989B2 (en) | 1993-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2335449A (en) | Mine stopping with fluent sealant | |
| JPH05272245A (en) | Cut-off agent seal box | |
| JPH0194134A (en) | Cut off method of crack of concrete structure | |
| JPH0194133A (en) | Cut off method of crack of concrete structure | |
| KR100310457B1 (en) | Waterproofing method of concrete structure | |
| JP2002242283A (en) | Sealing method for precast member | |
| JP2976292B2 (en) | Construction method of pre-installed waterproof underground wall and separator device applied to the construction method | |
| CN110258569B (en) | Concrete water seepage treatment external sealing back pressure grouting device and grouting method | |
| KR100592808B1 (en) | Device for sealing a rock wall and device for reinforcing and sealing a rock wall | |
| CN207608935U (en) | A kind of basement bottom board water seepage treatment device | |
| KR19990076189A (en) | Closing device of work channel for internal repair of buried pipe | |
| JP2908735B2 (en) | Construction method of earth anchor on steel pipe column retaining wall | |
| KR100738283B1 (en) | Structure for preventing leakage of water at joint between concrete wall and pipe and method thereof | |
| JP2002242284A (en) | Sealing structure for precast member | |
| KR20220018285A (en) | Waterproofing method of concrete Structure | |
| CN219912064U (en) | Corrugated pipe and prefabricated inspection shaft connection structure | |
| CN215829494U (en) | Concrete bottom plate and outer wall deformation joint waterproof system under full underground water environment | |
| KR100845501B1 (en) | Waterproof seal pouring holder | |
| CN114607409A (en) | Construction method for connecting channel by freezing method | |
| GB2342369A (en) | Tunnel sealing method and bolt therefor | |
| KR101268843B1 (en) | Charging method for infill material using planar end panel | |
| JP2777249B2 (en) | Water stopping method for concrete underground structures | |
| JPH05140961A (en) | Pressure fitting water cutoff method | |
| JPH09228403A (en) | Retaining method of waterproofness in underground building | |
| KR900008934B1 (en) | Checking method of airtightness |