JP2003165759A - Material for repairing structure and repairing method - Google Patents
Material for repairing structure and repairing methodInfo
- Publication number
- JP2003165759A JP2003165759A JP2001364428A JP2001364428A JP2003165759A JP 2003165759 A JP2003165759 A JP 2003165759A JP 2001364428 A JP2001364428 A JP 2001364428A JP 2001364428 A JP2001364428 A JP 2001364428A JP 2003165759 A JP2003165759 A JP 2003165759A
- Authority
- JP
- Japan
- Prior art keywords
- repair
- repairing
- repair material
- adhesive
- cracks
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
- Road Repair (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、例えばコンクリー
ト構造物の壁面やアスファルト道路の路面等に生じたひ
び割れを補修する材料として好適な補修材およびそれを
用いた補修方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a repair material suitable as a material for repairing cracks formed on a wall surface of a concrete structure or a road surface of an asphalt road, and a repair method using the repair material.
【0002】[0002]
【従来の技術】この種のひび割れを補修する材料として
は、従来より、いわゆるパテ(白亜、胡粉、亜鉛華等を
油で練った充填材)が広く用いられている。2. Description of the Related Art So-called putty (filler prepared by kneading chalk, chalk, zinc white, etc. with oil) has been widely used as a material for repairing cracks of this type.
【0003】[0003]
【発明が解決しようとする課題】ところが、パテは粘性
物であるため、ひび割れ内に完全に充填されにくいとい
った問題があった。また、補修の痕跡が歴然と残ってし
まう場合が多いといった不満もあり、しかも、補修作業
は容易とは言えず、しばしば熟練を要するものであっ
た。However, since the putty is a viscous material, there is a problem that it is difficult to completely fill the cracks. In addition, there are many complaints that the traces of repair often remain, and the repair work is not easy and often requires skill.
【0004】したがって本発明は、ひび割れ等の隙間が
狭い場合でも充填性が良好で簡便に補修を行うことがで
きるとともに、補修の痕跡が目立ちにくい構造物の補修
材および補修方法を提供することを目的としている。Therefore, the present invention provides a repairing material and a repairing method for a structure which has a good filling property and can be easily repaired even when a gap such as a crack is narrow, and in which a trace of repairing is inconspicuous. Has an aim.
【0005】[0005]
【課題を解決するための手段】本発明の構造物の補修材
は、水砕スラグ粒子を主体とする骨材と、セメントと、
コンクリート混和材との混合粉からなることを特徴とし
ている。本発明の補修材はひび割れ内に充填されて用い
られ、水あるいは水性接着剤が含有されることにより硬
化するとともに構造物に接着し、これによってひび割れ
を補修することができる。この補修材は、粉体なのでひ
び割れ内に完全に充填されやすいとともに表面を平滑に
仕上げやすく、このため、補修作業が容易であり、補修
の痕跡が目立ちにくい。ひび割れ内への良好な充填性を
考慮すると、本発明の補修材の最大粒子径は0.5mm
以下であることが望ましい。[Means for Solving the Problems] A repair material for a structure according to the present invention comprises an aggregate mainly composed of granulated slag particles, a cement, and
It is characterized by being made of mixed powder with concrete admixture. The repair material of the present invention is used by being filled in a crack, and when it is mixed with water or a water-based adhesive, it cures and adheres to a structure, thereby repairing the crack. Since this repair material is a powder, it is easy to be completely filled in the cracks and the surface can be finished smoothly. Therefore, the repair work is easy and the traces of the repair are inconspicuous. Considering good filling properties into cracks, the maximum particle size of the repair material of the present invention is 0.5 mm.
The following is desirable.
【0006】骨材の水砕スラグ粒子は多孔質であるか
ら、補修材全体として透水性を十分に備えており、した
がって、水あるいは水性接着剤が浸透しやすく、補修材
の硬化が十分になされる。水砕スラグは、高炉で生成さ
れる溶融状態のスラグを水で急冷することによって製造
される。たとえば、溶融したスラグに所定の水圧、水量
の加圧水を噴射することによって得ることができる。加
圧水の水圧、水量によって硬質で重い硬質水砕スラグ
と、多孔質で軽い軟質水砕スラグとに造り分けることが
できるが、本発明では軟質水砕スラグが好適に用いられ
る。Since the granulated slag particles of the aggregate are porous, the repair material as a whole has sufficient water permeability. Therefore, water or an aqueous adhesive easily penetrates and the repair material is sufficiently cured. It Granulated slag is manufactured by quenching molten slag produced in a blast furnace with water. For example, it can be obtained by injecting a predetermined amount of water and a predetermined amount of pressurized water into the molten slag. Depending on the water pressure and the amount of water under pressure, hard and heavy hard granulated slag and porous and light soft granulated slag can be produced separately. In the present invention, the soft granulated slag is preferably used.
【0007】セメントは水によって硬化し、補修材の硬
化ならびに構造物への接着のためのバインダの機能を果
たすもので、例えばポルトランドセメントが好適に用い
られる。骨材に対するセメントの配合割合は、セメント
がバインダとして機能するに十分な量であれば良く、骨
材の重量100に対し、セメントの重量比が10〜2
0、好ましくは15〜18である。Cement is hardened by water and functions as a binder for hardening a repair material and adhering to a structure. For example, Portland cement is preferably used. The blending ratio of cement to aggregate is sufficient if the cement functions as a binder, and the weight ratio of cement to the aggregate weight of 100 is 10 to 2
It is 0, preferably 15-18.
【0008】一方、コンクリート混和材は強度の向上に
寄与する材料であり、骨材に対する配合割合は、骨材の
重量100に対し、コンクリート混和材の重量比が0.
5〜5、好ましくは0.8〜3.5である。コンクリー
ト混和材の種類としては、膨張効果によって内部応力の
低減が図られ、それによって補修材自身のひび割れが抑
えられる点から、膨張性を有しているものが好ましい。
膨張性コンクリート混和材としては、例えば遊離した酸
化カルシウム(膨張性CaO)を主成分とし、他にケイ
酸カルシウムとガラス質相を含んだものが好適である。
このようなコンクリート混和材では、膨張性CaOの水
和によって生成するCa(OH)2の結晶成長と結晶圧
が膨張源となり、コンクリートが硬化する際の収縮を相
殺する。ただし、生石灰や石膏を調合焼成したものや生
石灰のみからなる膨張材を用いたり、鉄粉が錆びて膨張
するという性質を利用することもできる。On the other hand, the concrete admixture is a material which contributes to the improvement of strength, and the mixing ratio of the concrete admixture to the aggregate is 100: weight ratio of the concrete admixture to 100.
It is 5 to 5, preferably 0.8 to 3.5. As the type of the concrete admixture, an expansive one is preferable since the internal stress can be reduced by the expansion effect and the crack of the repair material itself can be suppressed.
As the expansive concrete admixture, for example, a material containing free calcium oxide (expandable CaO) as a main component and also containing calcium silicate and a vitreous phase is suitable.
In such a concrete admixture, the crystal growth and crystal pressure of Ca (OH) 2 generated by the hydration of expansive CaO serve as an expansion source and cancel the contraction when the concrete hardens. However, it is also possible to use a mixture of calcined lime or gypsum and an expansive material made of calcined lime, or to use the property that iron powder rusts and expands.
【0009】また、本発明の補修材には、適量の無機系
等の顔料を混合させることができる。これにより、骨材
の表面が顔料により着色されるので、補修材を例えば構
造物の色と同色あるいは同色系の色として補修の痕跡を
より一層目立たなくすることができる。従来の着色手段
としては、表面に塗料を吹き付けたり、骨材の色を選定
したりしていたが、前者では変色や脱色が生じ、後者で
は色が限定されてしまう。しかしながら、本発明のよう
に顔料を混合させれば、そのような不具合は生じず、所
望の色での補修を長期にわたって保持することができ
る。The repair material of the present invention may be mixed with an appropriate amount of an inorganic pigment or the like. As a result, since the surface of the aggregate is colored with the pigment, it is possible to make the trace of repair even more inconspicuous by using the repair material as, for example, the same color as the structure color or the same color system color. As a conventional coloring means, paint has been sprayed on the surface or the color of the aggregate has been selected. However, the former causes discoloration or decolorization, and the latter limits the color. However, if a pigment is mixed as in the present invention, such a problem does not occur, and repair with a desired color can be maintained for a long period of time.
【0010】次に、本発明の構造物の補修方法は、構造
物の表面に生じたひび割れ等の隙間を埋めて平滑に補修
する構造物の補修方法であって、上記本発明の構造物の
補修材を隙間に充填して締固めるとともに表面を平滑に
仕上げ、次いで、締固めた補修材にアクリル系等の水性
接着剤あるいは該接着剤の水溶液を散布して浸透させ、
この後、硬化させることを特徴としている。Next, the structure repairing method of the present invention is a structure repairing method for filling a gap such as a crack formed on the surface of a structure to repair the structure smoothly. The repair material is filled in the gaps and compacted, and the surface is finished to be smooth, and then the compacted repair material is sprayed with a water-based adhesive such as an acrylic adhesive or an aqueous solution of the adhesive to penetrate it.
It is characterized by being cured after this.
【0011】本発明の補修方法によれば、上述したよう
に補修材が良好な充填性を示すとともに、表面を平滑に
仕上げやすいため、ひび割れ等を容易に補修することが
できるとともに、補修の痕跡が目立ちにくい。また、補
修材を硬化させる水性接着剤あるいは該接着剤の水溶液
が補修材に浸透して硬化すると、補修材の表面に接着剤
の表層が形成され、補修状態が強固に保護される。According to the repairing method of the present invention, the repairing material exhibits good filling properties as described above, and since the surface is easily finished smooth, cracks and the like can be easily repaired and traces of repairing can be obtained. Is not noticeable. Further, when an aqueous adhesive that hardens the repair material or an aqueous solution of the adhesive penetrates into the repair material and hardens, a surface layer of the adhesive is formed on the surface of the repair material, and the repair state is strongly protected.
【0012】[0012]
【実施例】次に、実施例に基づき本発明を詳述する。図
1は、ひび割れが生じた補修すべき路面を示している。
ひび割れは、その幅が1〜3mm程度である。まず、水
砕スラグ、ポルトランドセメント、コンクリート混和材
および補修すべき路面に適合した色の無機顔料を、骨材
の重量100に対し、ポルトランドセメントの重量比が
15.6、コンクリート混和材の重量比が1.25、無
機顔料の重量比が0.31の配合割合で混合し、補修材
を調整した。この補修材の最大粒子径は0.5mmであ
った。EXAMPLES Next, the present invention will be described in detail based on examples. FIG. 1 shows a cracked road surface to be repaired.
The width of the crack is about 1 to 3 mm. First, granulated slag, Portland cement, concrete admixture, and an inorganic pigment of a color suitable for the road surface to be repaired, the weight ratio of Portland cement to the aggregate weight of 100 is 15.6, the weight ratio of concrete admixture Was 1.25 and the weight ratio of the inorganic pigment was 0.31 to prepare a repair material. The maximum particle size of this repair material was 0.5 mm.
【0013】補修を行うにあたって、まず、図1に示す
ように、ひび割れの部分を刷毛で払い、汚れを除去し
た。次いで、図2に示すように、容器に入れた補修材
を、ひび割れの内部に余盛り状態となるように埋め込ん
だ。補修材は、図示例のように細いノズルから連続的に
吐出されるようにするとよい。次に、図3に示すよう
に、補修材の余盛りをヘラで除去しながら、補修材をひ
び割れ内に埋め込んだ。続いて、図4〜図5に示すよう
に、コテで軽く叩くことにより補修材を締固めるととも
に、補修材の表面を路面と面一に平滑に仕上げた。In carrying out the repair, first, as shown in FIG. 1, the cracked portion was brushed off to remove stains. Then, as shown in FIG. 2, the repair material contained in the container was embedded inside the crack so as to be in an excessively large state. The repair material may be continuously discharged from a thin nozzle as illustrated. Next, as shown in FIG. 3, the repair material was embedded in the cracks while removing the extra portion of the repair material with a spatula. Subsequently, as shown in FIGS. 4 to 5, the repair material was compacted by tapping with a trowel, and the surface of the repair material was finished to be flush with the road surface.
【0014】次いで、図6〜図7に示すように、締固め
て平滑仕上げした補修材の表面に接着剤水溶液をスプレ
ー散布して補修材に浸透させた。接着剤は、モルタル接
着剤として市販されている「日本化成社製:NSハイフ
レックスHF−1000」を用い、この接着剤の原液1
に対して水2の割合で希釈して接着剤水溶液とした。接
着剤を散布した後は、硬化するまで養生し、最終的に補
修材を硬化させた。養生時間は夏期晴天時で3時間であ
った。Next, as shown in FIGS. 6 to 7, an aqueous adhesive solution was sprayed onto the surface of the compacted and smoothed repair material to penetrate the repair material. As the adhesive, "NS High Flex HF-1000" manufactured by Nippon Kasei Co., Ltd., which is commercially available as a mortar adhesive, is used.
On the other hand, it was diluted with water at a ratio of 2 to obtain an aqueous adhesive solution. After spraying the adhesive, it was cured until it was cured, and finally the repair material was cured. The curing time was 3 hours in summer fine weather.
【0015】図8は、補修が完了した状態を示してい
る。補修材によりひび割れは平滑な状態で完全に塞が
れ、補修材の色も路面と同系色で補修の痕跡は目立た
ず、良好な補修状態であることが確認された。FIG. 8 shows a state where the repair is completed. The repair material completely closed the cracks in a smooth state, the color of the repair material was similar to that of the road surface, and the trace of repair was not conspicuous, confirming that the repair condition was good.
【0016】[0016]
【発明の効果】以上説明したように、本発明によれば、
水砕スラグ粒子を主体とする骨材と、セメントと、コン
クリート混和材との混合粉からなる補修材を、ひび割れ
等の補修部分に充填し、この補修材に水あるいは接着剤
等を浸透させて硬化させることを特徴とするので、補修
の痕跡が目立たない良好な補修を簡便に行うことができ
るといった効果を奏する。As described above, according to the present invention,
A repair material composed of a mixed powder of aggregates composed mainly of water granulated slag particles, cement, and a concrete admixture is filled in a repair part such as a crack, and water or an adhesive agent is permeated into the repair material. Since it is characterized in that it is hardened, there is an effect that good repair can be easily carried out in which traces of repair are inconspicuous.
【図1】 本発明の実施例に係る補修方法の準備段階を
示す写真である。FIG. 1 is a photograph showing a preparatory stage of a repairing method according to an embodiment of the present invention.
【図2】 実施例に係る補修方法の補修材充填工程を示
す写真である。FIG. 2 is a photograph showing a repair material filling step of the repair method according to the embodiment.
【図3】 実施例に係る補修方法の補修材の余盛り除去
工程を示す写真である。FIG. 3 is a photograph showing a process of removing the excess of the repair material in the repair method according to the embodiment.
【図4】 実施例に係る補修方法の補修材の締固め工程
を示す写真である。FIG. 4 is a photograph showing a compaction process of a repair material of a repair method according to an example.
【図5】 実施例に係る補修方法の補修材の締固めが完
了した状態を示す写真である。FIG. 5 is a photograph showing a state where compaction of the repair material by the repair method according to the example is completed.
【図6】 実施例に係る補修方法の接着剤散布工程を示
す写真である。FIG. 6 is a photograph showing an adhesive spraying step of the repairing method according to the example.
【図7】 実施例に係る補修方法の接着剤散布が完了し
た状態を示す写真である。FIG. 7 is a photograph showing a state in which the application of the adhesive by the repair method according to the example is completed.
【図8】 実施例に係る補修方法の完了状態を示す写真
である。FIG. 8 is a photograph showing a completed state of the repair method according to the example.
フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C04B 18:14 C04B 22:06 Z 22:06 22:04 22:04 14:02 A 14:02) 111:72 111:72 (72)発明者 小林 文彦 埼玉県熊谷市戸出557番地 三和グランド 株式会社内 (72)発明者 守山 佳宏 埼玉県熊谷市戸出557番地 三和グランド 株式会社内 Fターム(参考) 2D051 AC02 AD01 AD07 AF02 AF05 AF15 AH02 AH03 EA06 EB04 EB06 2D053 AA14 AD01 AD03 2E176 AA01 BB15 4G012 PA02 PA29 PB02 PB03 PC09 PC11 PE04 Front page continuation (51) Int.Cl. 7 Identification code FI theme code (reference) C04B 18:14 C04B 22:06 Z 22:06 22:04 22:04 14:02 A 14:02) 111: 72 111 : 72 (72) Inventor Fumihiko Kobayashi, 557 Tode, Kumagaya, Saitama Sanwa Grand Co., Ltd. (72) Inventor Yoshihiro Moriyama, 557, Tode, Kumagaya, Saitama Sanwa Grand Co., Ltd. F-term (reference) 2D051 AC02 AD01 AD07 AF02 AF05 AF15 AH02 AH03 EA06 EB04 EB06 2D053 AA14 AD01 AD03 2E176 AA01 BB15 4G012 PA02 PA29 PB02 PB03 PC09 PC11 PE04
Claims (5)
メントと、コンクリート混和材との混合粉からなること
を特徴とする構造物の補修材。1. A repair material for a structure, comprising a mixed powder of an aggregate mainly composed of granulated slag particles, cement, and a concrete admixture.
し、前記セメントの重量比が10〜20、前記コンクリ
ート混和材の重量比が0.5〜5であることを特徴とす
る請求項1に記載の構造物の補修材。2. The mixing ratio is such that the weight ratio of the cement is 10 to 20 and the weight ratio of the concrete admixture is 0.5 to 5 with respect to 100 of the weight of the aggregate. The repair material for the structure described in 1.
を特徴とする請求項1または2に記載の構造物の補修
材。3. The repair material for a structure according to claim 1, wherein the maximum particle diameter is 0.5 mm or less.
を特徴とする請求項1〜3のいずれかに記載の構造物の
補修材。4. The structure repair material according to claim 1, further comprising an appropriate amount of pigment mixed therein.
を埋めて平滑に補修する構造物の補修方法であって、請
求項1〜4のいずれかに記載の構造物の補修材を前記隙
間に充填して締固めるとともに表面を平滑に仕上げ、次
いで、締固めた補修材に水性接着剤あるいは該接着剤の
水溶液を散布して浸透させ、この後、硬化させることを
特徴とする構造物の補修方法。5. A method for repairing a structure by filling a gap such as a crack formed on the surface of the structure to repair the structure smoothly, wherein the repair material for the structure according to any one of claims 1 to 4 is used. A structure characterized by filling the gap and compacting and finishing the surface smooth, and then spraying a water-based adhesive or an aqueous solution of the adhesive on the compacted repair material to infiltrate it, and then curing. Repair method.
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JP2001364428A JP2003165759A (en) | 2001-11-29 | 2001-11-29 | Material for repairing structure and repairing method |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006169842A (en) * | 2004-12-16 | 2006-06-29 | Sumitomo Osaka Cement Co Ltd | Repairing method for concrete structure |
JP2006336188A (en) * | 2005-05-31 | 2006-12-14 | Konishi Co Ltd | Crack repairing method |
JP2013119699A (en) * | 2011-12-06 | 2013-06-17 | Isao Tazaki | Repair method of crack part |
JP2013209822A (en) * | 2012-03-30 | 2013-10-10 | Sumitomo Osaka Cement Co Ltd | Pavement repair method |
CN103452329A (en) * | 2013-08-15 | 2013-12-18 | 尚守平 | Inorganic bar-planted glue bolt and preparation method thereof |
JP6458197B1 (en) * | 2018-10-12 | 2019-01-23 | 三和グランド株式会社 | How to repair cracks in structures |
CN114856244A (en) * | 2022-06-15 | 2022-08-05 | 东莞市虹迪装饰工程有限公司 | Construction process for repairing cracks and broken joints of ground turtles |
-
2001
- 2001-11-29 JP JP2001364428A patent/JP2003165759A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006169842A (en) * | 2004-12-16 | 2006-06-29 | Sumitomo Osaka Cement Co Ltd | Repairing method for concrete structure |
JP4555066B2 (en) * | 2004-12-16 | 2010-09-29 | 住友大阪セメント株式会社 | Repair method for concrete structures |
JP2006336188A (en) * | 2005-05-31 | 2006-12-14 | Konishi Co Ltd | Crack repairing method |
JP4629501B2 (en) * | 2005-05-31 | 2011-02-09 | コニシ株式会社 | How to repair cracks |
JP2013119699A (en) * | 2011-12-06 | 2013-06-17 | Isao Tazaki | Repair method of crack part |
JP2013209822A (en) * | 2012-03-30 | 2013-10-10 | Sumitomo Osaka Cement Co Ltd | Pavement repair method |
CN103452329A (en) * | 2013-08-15 | 2013-12-18 | 尚守平 | Inorganic bar-planted glue bolt and preparation method thereof |
CN103452329B (en) * | 2013-08-15 | 2016-01-20 | 尚守平 | A kind of inorganic anchoring adhesive bolt and preparation method thereof |
JP6458197B1 (en) * | 2018-10-12 | 2019-01-23 | 三和グランド株式会社 | How to repair cracks in structures |
JP2020060075A (en) * | 2018-10-12 | 2020-04-16 | 三和グランド株式会社 | Method for repairing crack in structure |
CN114856244A (en) * | 2022-06-15 | 2022-08-05 | 东莞市虹迪装饰工程有限公司 | Construction process for repairing cracks and broken joints of ground turtles |
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