WO2007077761A1 - Joint d’etancheite destine a un controle visuel de l’application d’un modificateur de beton inorganique permeable et procede destine au controle visuel d’un modificateur de beton inorganique permeable - Google Patents

Joint d’etancheite destine a un controle visuel de l’application d’un modificateur de beton inorganique permeable et procede destine au controle visuel d’un modificateur de beton inorganique permeable Download PDF

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Publication number
WO2007077761A1
WO2007077761A1 PCT/JP2006/325610 JP2006325610W WO2007077761A1 WO 2007077761 A1 WO2007077761 A1 WO 2007077761A1 JP 2006325610 W JP2006325610 W JP 2006325610W WO 2007077761 A1 WO2007077761 A1 WO 2007077761A1
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WO
WIPO (PCT)
Prior art keywords
concrete
modifier
seal
layer
acid
Prior art date
Application number
PCT/JP2006/325610
Other languages
English (en)
Japanese (ja)
Inventor
Yoshihisa Suzuki
Fumihiko Ogawa
Original Assignee
Dvitec Co.Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dvitec Co.Ltd. filed Critical Dvitec Co.Ltd.
Publication of WO2007077761A1 publication Critical patent/WO2007077761A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/80—Indicating pH value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/221—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value

Definitions

  • the present invention relates to a concrete reforming technique, and more specifically, detects that a concrete reforming material (including a concrete protective material, the same applies hereinafter) is applied to a concrete structure.
  • a concrete reforming material including a concrete protective material, the same applies hereinafter
  • 'It relates to a sealing material for confirmation and a method for detecting construction of a concrete modifier using the sealing material.
  • Patent Document 1 Japanese Patent No. 2937309
  • Patent Document 2 JP 2004-131316 A
  • Patent Document 2 JP 2004-323333 A
  • the object of the present invention is to provide a novel method capable of easily, surely and objectively confirming that an appropriate amount of concrete modifier has been applied to the surface of a concrete structure. There is to do.
  • the present invention is a sealing material for detecting that a concrete modifier has been applied to the surface of a concrete structure.
  • Reaction layer that changes color by reacting quantitatively with alkali contained in the material, adhesive layer, and the strength of the concrete structure when the adhesive layer is attached to the concrete structure.
  • a barrier layer provided between the reaction layer and the adhesive layer in order to prevent the reaction layer from being discolored by reaching the reaction layer. It is.
  • the present invention according to claim 2 is the concrete modification seal according to claim 1, wherein the reaction layer is formed by impregnating the base material with an acid and an indicator and then drying, and the concrete layer.
  • the indicator shows a color reaction, so that an appropriate amount of concrete is improved. It is characterized by confirming that the material has been constructed.
  • the present invention according to claim 3 is the concrete modification material construction confirmation seal according to claim 2, wherein the acid contained in the reaction layer is a liquid or solid acidic substance at room temperature, and the indicator is 113. It is characterized by 11 indicators that change between 1111.
  • the present invention according to claim 4 uses the concrete modifier application confirmation seal according to any one of claims 1 to 3, and applies the concrete modifier via the adhesive layer on the back surface. After affixed to the surface of the concrete structure to be interspersed at appropriate intervals, the concrete modifier is sprayed on the surface of the concrete structure on which the concrete modifier construction confirmation seal has been affixed.
  • the concrete reforming is characterized by confirming that an appropriate amount of the concrete modifier has been applied by visually observing the discoloration state of the reaction layer of the seal for confirming the concrete modifier construction after a predetermined time. This is a material construction confirmation method.
  • the present invention according to claim 5 is the concrete modifier construction confirmation method according to claim 4, wherein the concrete modifier is sprayed onto the surface of the concrete structure and then the concrete modifier construction confirmation seal. It is characterized by covering the reaction layer by sticking a cover sheet on the surface.
  • FIG. 1 is a cross-sectional view showing a state in which a concrete modifying material construction confirmation seal 1 according to an embodiment of the present invention is attached to the surface of a concrete structure 6.
  • This concrete reforming material construction confirmation seal 1 is a laminate having a reaction layer 2 on the front surface side, an adhesive layer 3 on the back surface side, and a blocking layer 4 therebetween. It is formed in a circular shape having a diameter of about 2 to 3 cm.
  • the reaction layer 2 is formed by dropping an acid and an indicator onto a substrate and drying them, and impregnating them uniformly over the entire substrate.
  • the water-absorbing base material for example, filter paper, woven fabric, knit, non-woven fabric, and sponge can be used.
  • the present invention applies the principle of neutralization titration, and the reaction layer 2 contains an alkali (strong alkali, silica, etc.) contained in the reaction layer 2 when a specific amount of concrete modifier is sprayed. In addition, a rapid change in pH value when these are neutralized is detected by the color reaction of the indicator.
  • liquid and various acidic substances can be used.
  • ascorbic acid formic acid, succinic acid, succinic acid, salicylic acid, propionic acid, malic acid, valeric acid
  • Organic acids such as tartaric acid, acetic acid, lactic acid, butyric acid, oxalic acid, pyrophosphoric acid, hydrofluoric acid, borofluoric acid, boric acid, polyphosphoric acid, iodic acid, phosphoric acid, phosphorous acid, sulfurous acid, hydrochloric acid, chloric acid, peroxy Force that can use inorganic acid such as oxalic acid, perbromic acid, bromic acid, nitric acid, sulfuric acid, or any mixture thereof Hydrochloric acid volatilizes in a short time, so it is not preferable for the use of the present invention.
  • phosphoric acid, citrate, and boric acid are particularly preferably used from
  • Indicators include p--trofenol, alizarin yellow R (AZY), talesole red, kuronoenore red, congo red, zimonolephthalein, zimoenolevenolay, tetrabromophenol blue, Tropeoline 000, Neutral Red, Fueno Lephthalein, Hueno Norre Red, Brom Crezo Monore Green, Brome Creso Mono Lepa Purnore, Bromo Chimo Ability to use Noreb Nore (BTB), Bromoenenorebnore, Bromoenenore Red, Metinoreero, Methyl Orange, Methyl Red, or a mixture thereof. Conceivable.
  • the adhesive layer 3 is used to affix the concrete modifying material construction confirmation seal 1 to the surface of the concrete structure 6 to which the concrete modifying material is to be applied.
  • it In addition to being required to exhibit sufficient adhesion to the ground surface, it must also exhibit sufficient adhesion to the barrier layer 4 laminated on the surface side, and the surface temperature of the concrete structure 6 In summer, it can reach 50 to 60 ° C, so it has heat resistance that can maintain adhesive strength even under such temperature conditions, and it has enough moisture to withstand repeated wetting. However, it is required that adhesiveness is not lost.
  • the blocking layer 4 is interposed between the reaction layer 2 and the adhesive layer 3, and the alkali component eluted from the concrete structure 6 reaches the back side of the reaction layer 2 to discolor the reaction layer 2. It plays a role in preventing the situation.
  • the material of the barrier layer 4 can be sufficiently adhered to the adhesive layer 3 as described above, has durability that is not affected by the acid contained in the reaction layer 2, and can be deformed even under the above temperature conditions. From these viewpoints, for example, plastics such as polyethylene, polypropylene, and polystyrene are suitable as the constituent material of the barrier layer 4.
  • a layer 1 may be provided to constitute the concrete modification material construction confirmation seal 1 of the present invention.
  • the concrete reforming material construction confirmation seal 1 configured in this way is used by being attached to the surface of a concrete structure 6 on which a concrete reforming material is to be constructed in a scattered state at predetermined intervals. It is done. After that, as a work to improve and improve the concrete (longer life or higher durability), the concrete reforming material construction confirmation seal 1 is adhered to the surface of the concrete structure 6 in which the concrete modifier 6 is attached in a scattered state. Spray the modifier with a spray. Spray the concrete modifier according to the installation instructions provided by the manufacturer and seller of the concrete modifier.
  • the concrete modifier that has been sprayed with the specified amount contains a certain amount of alkali, so the equivalent amount contained in the reaction layer 2 of the concrete modifier confirmation seal 1 Since the indicator contained in the reaction layer 2 shows a color reaction due to a rapid pH change at this time, it is visually confirmed that the specified amount of concrete modifier has been applied. It can be confirmed easily, reliably and objectively.
  • the concrete reforming material construction confirmation seal 1 After the concrete modifier 6 is sprayed on the surface of the concrete structure 6 on which the concrete reforming material construction confirmation seal 1 is adhered in a scattered state, the concrete reforming material construction confirmation seal 1 It is preferable to cover the reaction layer 2 by sticking the cover sheet 5 on the surface. Thereby, the preservability of the discolored seal can be improved. Further, it is possible to prevent alkali components eluted from the concrete structure 6 from reaching the surface side of the reaction layer 2 through the surface of the concrete structure 6 and discoloring the reaction layer 2.
  • the cover sheet 5 can be formed of, for example, stainless steel, a plastic film, or cardboard.
  • the present invention applies the principle of neutralization titration to the acid equivalent to the alkali (strong alkali, silica, etc.) contained in the sprayed specified amount of concrete modifier, and these.
  • an indicator that exhibits a color reaction due to the rapid pH change that occurs when the nitrile is neutralized is contained in the reaction layer 2. The test was conducted.
  • each test specimen was placed on a paper towel, and each diluted solution sample of the concrete modifier was sprayed downward by spraying 5 cm above it.
  • the spray amount of the diluted liquid sample was about 0.15 g ⁇ O. 15 ml, and the spray amount per lcm 2 was about 0.012 ml because it was sprayed on a circular area of 4 cm in diameter including the test specimen. Therefore, the amount of acid that is supposed to be present in the test specimen cm 2 by one spray is 0.004 meq. Therefore, the experiment was conducted with 3 sprays based on the concentration of 33.3%.
  • the amount of alkali by one spray was 0.004 meq per lcm 2 of cut filter paper of the test specimen. Since the amount of acid soaked into the test specimen is about 0.012 meq per lcm 2 of the test specimen, based on the 33% dilution, the test specimen was sprayed with three dilutions. The acid will be neutralized. Based on the above, the experiment was carried out with 3 sprays.
  • FIG. 1 is a cross-sectional view showing a state in which a concrete modifier construction confirmation seal according to one embodiment of the present invention is attached to the surface of a concrete structure.
  • FIG. 2 is a chart showing the color reaction status of a test specimen using a phenolphthalein solution as an indicator.
  • FIG. 3 is a chart showing the color reaction status of a test specimen using a methyl orange solution as an indicator.
  • FIG. 4 is a chart showing the color reaction status of a test specimen using a BTB solution as an indicator.
  • FIG. 5 is a chart showing the color reaction status of test specimens using an AZY solution as an indicator.
  • FIG. 6 is an evaluation table for predicting acids and indicators that are preferably used in the reaction layer.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Plasma & Fusion (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
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  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Biophysics (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

Le problème à résoudre dans le cadre de cette invention concerne la mise en place de nouveaux moyens permettant de contrôler visuellement l’application d’une quantité appropriée d’un modificateur de béton sur la surface d’une structure en béton et ce de manière simple, fiable et objective. La solution proposée consiste à mettre en place un joint d’étanchéité (1), permettant de contrôler visuellement l’application d’un modificateur de béton, qui se compose d’une couche réactive (2) renfermant un acide et un indicateur sur la face avant, d’une couche adhesive (3) disposée sur la face arrière et d’une couche de blocage (4) disposée entre la couche réactive (2) et la couche adhésive (3). Lorsque le joint d’étanchéité (1) est placé sur la surface d’une structure en béton (6) en pointillé et un modificateur de béton est pulvérisé sur le joint d’étanchéité (1), l’acide contenu dans la couche réactive (2) provoque une réaction neutralisante avec un alcali présent dans le modificateur de béton, puis l’indicateur présent dans la couche réactive (2) provoque une réaction développant la couleur. Ceci permet de confirmer qu’une quantité appropriée de modificateur de béton a été appliquée. La couche de blocage (4) peut empêcher un composant alcali filtrant de la structure en béton (6) d’atteindre la face arrière de la couche réactive (2) et de la (2) décolorer.
PCT/JP2006/325610 2005-12-27 2006-12-22 Joint d’etancheite destine a un controle visuel de l’application d’un modificateur de beton inorganique permeable et procede destine au controle visuel d’un modificateur de beton inorganique permeable WO2007077761A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-375577 2005-12-27
JP2005375577A JP4250745B2 (ja) 2005-12-27 2005-12-27 浸透性無機質系コンクリート改質剤の施工確認用シール及び該シールを用いた浸透性無機質系コンクリート改質剤施工確認方法

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WO2007077761A1 true WO2007077761A1 (fr) 2007-07-12

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JP (1) JP4250745B2 (fr)
KR (1) KR20080094657A (fr)
CN (1) CN101356434A (fr)
WO (1) WO2007077761A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7070957B1 (ja) * 2021-10-29 2022-05-18 株式会社スーパーシールド 確認シート、及び評価方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5015667B2 (ja) * 2007-06-08 2012-08-29 有限会社タク・セツ コンクリート改質防水施工の出来形検査方法
JP2008308357A (ja) * 2007-06-13 2008-12-25 Dvitec Co Ltd コンクリート改質材施工の品質管理方法
JP5787437B2 (ja) * 2011-02-23 2015-09-30 義久 鈴木 テスター
JP5923697B2 (ja) * 2011-05-30 2016-05-25 学校法人金沢工業大学 コンクリート改質剤の検査方法、及びその装置
CN102621142B (zh) * 2012-03-22 2013-12-18 兰州交通大学 一种测定水泥制成品碱性的指示剂及其应用
CN103626451B (zh) * 2013-12-16 2015-12-30 天津工业大学 一种遇酸碱能快速变色的水泥砂浆及其挤出工艺
JP7107726B2 (ja) * 2018-04-13 2022-07-27 清水建設株式会社 張付け材の充填性確認方法および充填性確認装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001033438A (ja) * 1999-07-19 2001-02-09 Ozasa:Kk ｐＨ指示色素付着型コンクリートの中性化度測定方法
JP2004184352A (ja) * 2002-12-06 2004-07-02 Taiheiyo Material Kk コンクリート劣化検知剤及びコンクリートの劣化検知方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001033438A (ja) * 1999-07-19 2001-02-09 Ozasa:Kk ｐＨ指示色素付着型コンクリートの中性化度測定方法
JP2004184352A (ja) * 2002-12-06 2004-07-02 Taiheiyo Material Kk コンクリート劣化検知剤及びコンクリートの劣化検知方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7070957B1 (ja) * 2021-10-29 2022-05-18 株式会社スーパーシールド 確認シート、及び評価方法

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JP4250745B2 (ja) 2009-04-08
KR20080094657A (ko) 2008-10-23
CN101356434A (zh) 2009-01-28
JP2007178210A (ja) 2007-07-12

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