JPH0359227B2 - - Google Patents
Info
- Publication number
- JPH0359227B2 JPH0359227B2 JP22416785A JP22416785A JPH0359227B2 JP H0359227 B2 JPH0359227 B2 JP H0359227B2 JP 22416785 A JP22416785 A JP 22416785A JP 22416785 A JP22416785 A JP 22416785A JP H0359227 B2 JPH0359227 B2 JP H0359227B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- wall
- anchor pin
- gap
- frame
- 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
Links
- 239000000853 adhesive Substances 0.000 claims description 68
- 230000001070 adhesive effect Effects 0.000 claims description 68
- 238000002347 injection Methods 0.000 claims description 37
- 239000007924 injection Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 238000007667 floating Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Description
【発明の詳細な説明】
（発明の目的及び背景）
本発明は、構造物の躯体とモルタル、タイル、
擬石などの外装仕上材からなる外壁や壁や柱など
の内装仕材材との間に接着材を注入する補修方法
に関する。Detailed Description of the Invention (Objects and Background of the Invention) The present invention is directed to the construction of a structure, mortar, tiles,
This invention relates to a repair method that involves injecting an adhesive between an exterior wall made of exterior finishing materials such as simulated stone, and interior finishing materials such as walls and pillars.
一般にコンクリート構造物にあつて、躯体の外
装材たとえば仕上げモルタルは、年月を経ると労
朽化や風化等により躯体に対し浮きが生じ躯体と
外壁との間に空隙が生じ、ときには剥落すること
さえある。 In general, for concrete structures, the exterior material of the frame, such as the finishing mortar, may become loose from the frame over time due to wear and tear, weathering, etc., creating voids between the frame and the outer wall, and sometimes even falling off. be.
このため躯体と外装材とを接着するため接着材
を空隙に注入する方法が一般的に用いられてい
る。しかしながら、通常行なわれているこの方法
は、単に外装材に孔を開け、この孔より接着材を
注入するという原始的方法であるため、接着材が
空隙に十分に充填されないうちに内圧で溢れ出た
り、仮に十分に充填されても溢れ出るので外装材
壁面を著しく汚す結果となる。このため溢れ出る
ことを防止する余り接着材を十分に使用しないこ
となどもあり、施工主の不評を買うこともあつ
た。また、接着材充填時の空隙内の圧力や接着材
の節約などにより浮いている外装材は補修中また
は補修後に剥落してしまうこともある。これらの
ことは、内装仕上材との関係においても生じる。 For this reason, a method is generally used in which an adhesive is injected into the gap in order to bond the frame and the exterior material. However, this method, which is commonly used, is a primitive method in which a hole is simply made in the exterior material and the adhesive is injected through the hole, so the adhesive overflows due to internal pressure before the gap is sufficiently filled. Or, even if it is sufficiently filled, it will overflow, resulting in significant staining of the exterior wall surface. As a result, in order to prevent overflow, not enough adhesive was sometimes used, which resulted in unfavorable reviews from the construction owner. Furthermore, floating exterior materials may peel off during or after repair due to the pressure in the gap when filling the adhesive or the saving of adhesive. These things also occur in relation to interior finishing materials.
そこで、近時有効な補修方法としてピンニング
工法と呼ばれる補修方法が提案されるに至つた
（雑誌「建築築の技術施工」1981年３月号第45頁
〜54頁）。このピンニング工法は躯体１′に対する
外壁２′の浮き相当部分に第５図に示すように複
数の接着材注入孔３′をドリルで削孔し、この注
入孔３′にノズルをあてがい、エポキシ樹脂等か
らなる接着材を容れた注入ポンプより接着材を注
入し、第６図に示すように空隙に接着材５′を充
填後注入孔３′からステンレスのアンカーピン
６′を挿入し、躯体１′と外壁２′を連結し、注入
孔３′をシール７′する方法である。なお、ここで
躯体１′のアンカーピン挿入孔は外壁２′に削孔す
る際に削孔されるのが普通である。 Therefore, a repair method called the pinning method has recently been proposed as an effective repair method (magazine "Architectural Construction Technology Construction" March 1981 issue, pages 45-54). This pinning method involves drilling a plurality of adhesive injection holes 3' in the floating portion of the outer wall 2' relative to the building frame 1', as shown in Figure 5, and applying nozzles to these injection holes 3'. After filling the gap with the adhesive 5' as shown in FIG. 6, insert the stainless steel anchor pin 6' from the injection hole 3', This method connects the injection hole 3' with the outer wall 2' and seals the injection hole 3'. Incidentally, the anchor pin insertion hole in the frame 1' is normally drilled when the hole is drilled in the outer wall 2'.
この方法は、外壁の躯体に対する付着力を増す
効果は認められるが、施工過程において、浮き相
当部の削孔の際、躯体深部まで削孔することがあ
り浮き相当部の躯体と外壁との空隙を切り粉で埋
めてしまい十分に接着材を充填できないことや接
着材注入の際の注入ポンプからの急激な圧力によ
り浮き相当部を拡げたり、外壁を剥落させるおそ
れもある。そのため作業には熟練を要する。 Although this method has the effect of increasing the adhesion of the outer wall to the frame, during the construction process, when drilling the part corresponding to the float, the hole may be drilled deep into the frame, creating a gap between the frame and the outer wall in the part corresponding to the float. There is also a risk that the adhesive may not be filled sufficiently because the adhesive is filled with chips, or that the sudden pressure from the injection pump when injecting the adhesive may cause the floating portion to expand or cause the outer wall to peel off. Therefore, the work requires skill.
本発明者は、先にこのような欠点を除去し、躯
体と外壁との空隙に接着材を注入する際、急激な
圧力を与えずしかも、ピンニング工法の効果を維
持する構造物の外壁補修方法を提供した（特願昭
59−69114）。この方法によるときわめて良好な結
果を得ることができたが接着材挿入孔をドリルで
削孔すると接着材挿入孔そのものが切り粉で埋ま
る障害がときにあり、その対策が必要となつた。 The present inventor has developed a method for repairing the exterior wall of a structure that eliminates such defects first and maintains the effect of the pinning method without applying sudden pressure when injecting adhesive into the gap between the frame and the exterior wall. (Tokugansho
59−69114). Although very good results were obtained using this method, when the adhesive insertion hole was drilled, the adhesive insertion hole itself was sometimes filled with chips, which necessitated a countermeasure.
（発明の構成）
本発明は、その構成要件を躯体の仕上材の浮き
相当部の数か所に任意の方法でアンカーピン挿入
孔を形成するとともに切り粉を飛ばしながら長孔
の接着材注入孔を削孔し、アンカーピン挿入孔に
アンカーピンを挿入し躯体と外壁とを連結するよ
うにしてアンカーピンの挿入孔をシールし、躯体
と仕上材との空隙に、接着材注入孔から弾性体に
内包された接着材を弾性体の圧力の経時変化によ
り徐々に注入し、浮き相当部の躯体と仕上材との
空隙に接着材を注入することを特徴とする構造物
の外壁補修方法とするものであつて、具体的には
浮き相当部に削孔される孔をアンカーピン挿入孔
と接着材注入孔というように役割分担させ、特に
接着材注入孔は接着材注入を能率的に行なえるよ
うグラインダーを用いて長孔とし、グラインダー
等の回転により切り粉を飛ばし、注入孔をふさが
ない配慮をし、浮き相当部において躯体と外壁と
をアンカーピン挿入孔を介してアンカーピンより
外壁と躯体とを連結し、外壁の躯体からの剥落等
を防ぎ、接着材注入孔を介して、躯体と外壁との
空隙に弾性体の圧力の経時変化を利用して徐々に
接着材を注入し、急激な圧力を与えないようにす
る構造物の外壁補修方法である。(Structure of the Invention) The present invention has its constituent elements: An anchor pin insertion hole is formed in several places corresponding to the floating part of the finishing material of the building frame by any method, and a long hole adhesive injection hole is formed while blowing off chips. Drill a hole, insert the anchor pin into the anchor pin insertion hole, seal the anchor pin insertion hole by connecting the structure and the outer wall, and insert the elastic material through the adhesive injection hole into the gap between the structure and the finishing material. A method for repairing an outer wall of a structure, which is characterized by gradually injecting the adhesive contained in the elastic body as the pressure of the elastic body changes over time, and injecting the adhesive into the gap between the frame and the finishing material in the floating portion. Specifically, the holes drilled in the floating portion are divided into roles such as an anchor pin insertion hole and an adhesive injection hole, and the adhesive injection hole in particular allows efficient injection of adhesive. Using a grinder to make a long hole, remove chips by rotating the grinder, etc., take care not to block the injection hole, and insert the anchor pin into the outer wall and the main body through the anchor pin insertion hole at the floating part. The adhesive is gradually injected into the gap between the skeleton and the exterior wall through the adhesive injection hole using the change in pressure of the elastic body over time, and the This is a method of repairing the outer wall of a structure to avoid applying excessive pressure.
（実施例）
つぎに、本発明の実施例を図面に基いて説明す
る。(Example) Next, an example of the present invention will be described based on the drawings.
第１図は、構造物の外壁２にアンカーピン６が
挿入され、接着材注入孔３が開孔されている状態
を示し、第２図は、接着材注入孔に接着材が収容
され膨脹している容器状の弾性体８ａが取り付け
られているところを示している。 Fig. 1 shows a state where the anchor pin 6 is inserted into the outer wall 2 of the structure and the adhesive injection hole 3 is opened, and Fig. 2 shows the state where the adhesive is accommodated in the adhesive injection hole and expanded. The container-shaped elastic body 8a is shown attached.
第３図及び第４図は、弾性体８ｃが設けられて
いるインジエクター８の実施例を示す。 3 and 4 show an embodiment of the injector 8 provided with an elastic body 8c.
第３図は、容器状に形成され、予め接着材が収
納されるインジエクター８を示し、座金８ａ、取
り付け口８ｂ、弾性体としてのゴムチユーブ８
ｃ、閉止部８ｄよりなる。接着材は取り付け口８
ｂより収納され、ゴムチユーブ８ｃは膨脹する。
８ｅは弁装置で収容された接着材を弾性体の圧力
に抗して漏れないようにするとともに座金８ａの
突端に押圧され開状態となるように工夫されてい
る。 FIG. 3 shows an injector 8 which is formed into a container shape and stores an adhesive in advance, including a washer 8a, a mounting opening 8b, and a rubber tube 8 as an elastic body.
c, and a closing portion 8d. The adhesive is attached to the mounting port 8.
b, and the rubber tube 8c expands.
8e is a valve device designed to prevent the contained adhesive from leaking against the pressure of the elastic body, and to be pressed against the tip of the washer 8a to open the valve.
第４図は、上述の実施例が予め接着材をゴムチ
ユーブに収納しているのに比し、外壁へ取り付け
後に接着材をゴムチユーブに送り込む場合のイン
ジエクター８の実施例を示し、座金８ａ、取り付
け口８ｂ、ゴムチユーブ８ｃ、注入口８ｄよりな
る。接着材は、注入ポンプにより注入口８ｄから
注入され、ゴムチユーブ８ｃを膨脹させる。８ｅ
は逆止弁で接着材が逆流しないようにしてある。 FIG. 4 shows an embodiment of the injector 8 in which the adhesive is fed into the rubber tube after being attached to the outer wall, as opposed to the above-mentioned embodiment in which the adhesive is stored in the rubber tube in advance. 8b, a rubber tube 8c, and an injection port 8d. The adhesive is injected from the injection port 8d by an injection pump to expand the rubber tube 8c. 8e
is equipped with a check valve to prevent the adhesive from flowing backwards.
つぎに、本発明の実施例につき具体的に手順を
以下に示す。 Next, specific procedures for examples of the present invention will be shown below.
まず、第１図において構造物１の仕上材である
モルタル等の外装材からなる外壁２の浮き部分の
チエツクを行ないステンレス等のアンカーピン挿
入部をマーキングし、アンカーピン挿入孔４を削
孔する。 First, in Fig. 1, the floating part of the outer wall 2 made of exterior material such as mortar, which is the finishing material of the structure 1, is checked, the anchor pin insertion part of stainless steel or the like is marked, and the anchor pin insertion hole 4 is drilled. .
削孔部を清掃後、アンカーピン挿入孔４から躯
体に削孔したアンカーピン挿入孔４にグリース状
の樹脂を注入し、アンカーピン６を挿入し、躯体
１と外壁２とを連結し、アンカーピン挿入孔４表
面の開口部をエポキシ樹脂などからなる接着材を
充填してシール７する。 After cleaning the drilled part, grease-like resin is injected into the anchor pin insertion hole 4 drilled in the structure, the anchor pin 6 is inserted, the structure 1 and the outer wall 2 are connected, and the anchor The opening on the surface of the pin insertion hole 4 is sealed 7 by filling with an adhesive made of epoxy resin or the like.
ついで、接着材注入部をマーキングし、接着材
注入孔３を削孔する。接着材注入孔３はグライン
ダーを用いて長孔に形成される。このとき、切り
粉はグラインダーの回転により外へ飛ばされ、接
着材注入孔３をふさがない。長孔は一方のみでも
よく、また十字にしてもよい。 Next, the adhesive injection part is marked, and the adhesive injection hole 3 is drilled. The adhesive injection hole 3 is formed into a long hole using a grinder. At this time, the chips are blown away by the rotation of the grinder and do not block the adhesive injection hole 3. The elongated hole may be provided only on one side, or may be in the shape of a cross.
清掃後、インジエクター８を外壁２の接着材注
入孔３へ取り付ける。 After cleaning, the injector 8 is attached to the adhesive injection hole 3 of the outer wall 2.
第３図に示したインジエクター８の場合は、接
着材を一定量入れる場合に適し、まず、座金８ａ
を外壁２の接着材注入孔３に貼着などにより取り
付け固定し、この取り付けられた座金８ａの突端
の外径とゴムチユーブ８ｃに取り付けられている
取り付け口の内径とを嵌合し、弁装置８ｅを挿圧
し、弁を開状態とすることにより取り付ける。こ
のとき、膨脹しているゴムチユーブ８ｃは自ら元
に戻ろうとし、圧力の経時変化により、収納され
ている接着材を徐々に押し出し、躯体１と外壁２
の空隙５に接着材を充填する。 In the case of the injector 8 shown in FIG. 3, it is suitable for inserting a certain amount of adhesive, and first,
is attached and fixed to the adhesive injection hole 3 of the outer wall 2 by pasting or the like, and the outer diameter of the tip of the attached washer 8a and the inner diameter of the attachment port attached to the rubber tube 8c are fitted, and the valve device 8e is fixed. Install by applying pressure and opening the valve. At this time, the expanding rubber tube 8c tries to return to its original state by itself, and due to the change in pressure over time, it gradually pushes out the adhesive material stored in the rubber tube 8c.
The gap 5 is filled with an adhesive.
第４図に示したインジエクター８の場合は、接
着材を完全充填する場合に適し、まず座金８ａを
外壁２の接着材注入孔３に貼着などにより取り付
け固定し、取り付けられた座金８ａの突端の外径
とゴムチユーブ８ｃに取り付けられている取り付
け口の内径とを嵌合し、注入口８ｄに注入ポンプ
をつないで接着材を注入する。このとき、はじめ
は躯体１と外装材２との空隙５にある程度の接着
材は注入されるが、ある程度充填され、ゴムチユ
ーブに反力を生じるとゴムチユーブ８ｃは膨脹
し、接着材がゴムチユーブ８ｃに滞溜する。ゴム
チユーブ８ｃが膨脹したら注入作業を中止する。
接着材は、逆止弁８ｅより逆流することなく、ゴ
ムチユーブ８ｃの圧力の経時変化により徐々に押
し出され、躯体１と外壁２との空隙５を完全に充
填するように働く。 In the case of the injector 8 shown in FIG. 4, it is suitable for completely filling the adhesive material, and first the washer 8a is attached and fixed to the adhesive injection hole 3 of the outer wall 2 by pasting, etc., and the tip of the attached washer 8a is The outer diameter of the rubber tube 8c is fitted with the inner diameter of the attachment port attached to the rubber tube 8c, and an injection pump is connected to the injection port 8d to inject the adhesive. At this time, a certain amount of adhesive is initially injected into the gap 5 between the frame 1 and the exterior material 2, but when it is filled to a certain extent and a reaction force is generated on the rubber tube, the rubber tube 8c expands and the adhesive stays in the rubber tube 8c. Accumulate. When the rubber tube 8c expands, the injection operation is stopped.
The adhesive is gradually pushed out due to the change in pressure of the rubber tube 8c over time without flowing backward through the check valve 8e, and works to completely fill the gap 5 between the frame 1 and the outer wall 2.
接着材の充填作業終了後必要な仕上げを行な
う。 After completing the adhesive filling work, perform the necessary finishing touches.
（発明の効果）
本発明は上述のようにしてなるのでつぎの効果
を有する。(Effects of the Invention) Since the present invention is made as described above, it has the following effects.
仕上材にアンカーピン挿入孔と接着材注入孔と
を別々に削孔し、それぞれに役割分担させること
ができる。特に接着材注入孔はグラインダー等に
より長孔に形成されるため切り粉は外に飛ばされ
閉塞されることがない。 An anchor pin insertion hole and an adhesive injection hole can be separately drilled in the finishing material, and each can be assigned a role. In particular, since the adhesive injection hole is formed into a long hole using a grinder or the like, chips are blown away and are not blocked.
アンカーピン挿入孔と接着材注入孔が同一でな
いことの利点は仮に躯体と仕上材との間に接着材
注入時に相当の圧力が加わつてもアンカー効果を
期待できる。 The advantage of not having the anchor pin insertion hole and the adhesive injection hole the same is that even if considerable pressure is applied between the building frame and the finishing material when the adhesive is injected, an anchor effect can be expected.
また、躯体と仕上材との空隙への接着材の充填
は、弾性体の圧力の経時変化により徐々に注入す
る構成をとるので、空隙への接着材の注入を完全
なものとするとともに急激な圧力を加えることも
ないので、従来のような接着材注入中の仕上材の
剥落や浮き部分を拡げる危険を避けることができ
る。 In addition, since the adhesive is gradually filled into the gap between the building frame and the finishing material as the pressure of the elastic body changes over time, it is possible to completely inject the adhesive into the gap and not to fill the gap suddenly. Since no pressure is applied, it is possible to avoid the risk of flaking of the finishing material or spreading of floating areas during adhesive injection as in the conventional method.
さらに、接着材注入孔に相当する部分の躯体は
削孔してないので躯体削孔の際に生じる切り粉は
生じず、接着材注入孔付近は切り粉により埋まる
ことがないので接着材を容易に注入できる。 Furthermore, since no holes are drilled in the part of the body corresponding to the adhesive injection hole, there are no chips generated when drilling holes in the body, and the area around the adhesive injection hole is not filled with chips, making it easy to apply the adhesive. can be injected into
しかも接着材の完全な充填は弾性体が自然の経
時変化により行なつてくれるので作業に従来のよ
うな熟練を要さなくなつた。 Moreover, since the elastic body naturally changes over time to completely fill the adhesive, the work no longer requires the same skill as in the past.
その他、接着材が空隙に十分に充填されないう
ちに内圧で溢れ出たりすることによる外壁の壁面
の著しい汚れを未然に防止することができる。 In addition, significant staining of the outer wall surface due to the adhesive overflowing due to internal pressure before the gap is sufficiently filled can be prevented.
本発明は上述のようにすぐれた効果を有する構
造物の仕上材補修方法を提供するものである。 The present invention provides a method for repairing the finishing material of a structure, which has excellent effects as described above.
第１図から第４図は、本発明の実施例を示し、
第１図は、構造物の仕上材の表面図、第２図は、
作業工程を示す断面図、第３図は、弾性体の一例
を示す断面図、第４図は、弾性体の別の一例を示
す断面図、第５図から第６図は従来例を示し、第
５図は、構造物の外壁の表面図、第６図は、作業
工程を示す断面図である。
図面において、１は躯体、２は仕上材、３は接
着材注入孔、４はアンカーピン挿入孔、５は空
隙、６はアンカーピン、７はシール、８は弾性体
８ｃを有するインジエクターである。
1 to 4 show embodiments of the present invention,
Figure 1 is a surface view of the finishing material of the structure, Figure 2 is
3 is a sectional view showing an example of an elastic body, FIG. 4 is a sectional view showing another example of an elastic body, and FIGS. 5 to 6 show a conventional example. FIG. 5 is a surface view of the outer wall of the structure, and FIG. 6 is a sectional view showing the working process. In the drawings, 1 is a frame, 2 is a finishing material, 3 is an adhesive injection hole, 4 is an anchor pin insertion hole, 5 is a gap, 6 is an anchor pin, 7 is a seal, and 8 is an injector having an elastic body 8c.
Claims (1)
方法でアンカーピン挿入孔を形成するとともに切
り粉を飛ばしながら長孔の接着材注入孔を削孔
し、アンカーピン挿入孔にアンカーピンを挿入し
躯体と外壁とを連結するようにしてアンカーピン
挿入孔をシールし、躯体と仕上材との空隙に、接
着材注入孔から弾性体に内包された接着材を弾性
体の圧力の経時変化により徐々に注入し、浮き相
当部の躯体と仕上材との空隙に接着材を注入する
ことを特徴とする構造物の外壁補修方法。1. Form anchor pin insertion holes in several locations in the floating portion of the finishing material of the building frame using any method, and while blowing away chips, drill long holes for adhesive injection, and insert anchor pins into the anchor pin insertion holes. The anchor pin insertion hole is sealed to connect the frame and the outer wall, and the adhesive contained in the elastic body is injected from the adhesive injection hole into the gap between the frame and the finishing material by applying the pressure of the elastic body over time. A method for repairing an exterior wall of a structure, which is characterized by gradually injecting an adhesive into the gap between the skeleton and the finishing material in the floating portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22416785A JPS6282174A (en) | 1985-10-08 | 1985-10-08 | Method for repairing finish material of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22416785A JPS6282174A (en) | 1985-10-08 | 1985-10-08 | Method for repairing finish material of structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6282174A JPS6282174A (en) | 1987-04-15 |
| JPH0359227B2 true JPH0359227B2 (en) | 1991-09-09 |
Family
ID=16809579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22416785A Granted JPS6282174A (en) | 1985-10-08 | 1985-10-08 | Method for repairing finish material of structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282174A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01290875A (en) * | 1988-05-17 | 1989-11-22 | Shinwa Kako Kk | Filling repair for building |
| JP7235636B2 (en) * | 2019-10-01 | 2023-03-08 | ショーボンド建設株式会社 | Low-pressure injection device and repair method for reinforced concrete structures |
-
1985
- 1985-10-08 JP JP22416785A patent/JPS6282174A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6282174A (en) | 1987-04-15 |
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