JP2001302324A - Plastic grout - Google Patents
Plastic groutInfo
- Publication number
- JP2001302324A JP2001302324A JP2000115510A JP2000115510A JP2001302324A JP 2001302324 A JP2001302324 A JP 2001302324A JP 2000115510 A JP2000115510 A JP 2000115510A JP 2000115510 A JP2000115510 A JP 2000115510A JP 2001302324 A JP2001302324 A JP 2001302324A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- hardening
- plastic injection
- injection material
- furnace slag
- 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
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
- 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
- C04B28/08—Slag cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、可塑性注入材に係
り、特に潜在性水硬性材料を使用した可塑性注入材に関
する。The present invention relates to a plastic injection material, and more particularly to a plastic injection material using a latent hydraulic material.
【０００２】[0002]
【従来の技術】本出願の発明者等は、土木構造物の空洞
充填、軽量盛土、及び埋立等に使用する注入材として、
セメントミルク（硬化助材）と、ベントナイトミルク
（可塑化材）とを混合攪拌して得られる可塑性注入材を
提案している（特開平１１−３１０７７９号参照）。2. Description of the Related Art The inventors of the present application have proposed an injection material used for filling a cavity of a civil engineering structure, lightweight embankment, and landfill.
A plastic injection material obtained by mixing and stirring cement milk (hardening aid) and bentonite milk (plasticizer) has been proposed (see JP-A-11-310779).
【０００３】また、他の提案として、流動性モルタル
に、モンモリロナイト粘土鉱物を混入した流動性の膨潤
液を加えることにより非流動性の可塑状のグラウト材を
得ることが提案されている（特開平１１−１２４５７４
号公報参照）。Further, as another proposal, it has been proposed to obtain a non-flowable plastic grout material by adding a flowable swelling liquid mixed with a montmorillonite clay mineral to a flowable mortar (Japanese Patent Laid-Open Publication No. HEI 9 (1999)). 11-124574
Reference).
【０００４】[0004]
【発明が解決使用とする課題】ところで、上述した従来
の可塑性注入材にあっては、硬化助材としてセメントミ
ルクや流動性モルタルを使用しているため、セメントミ
ルク自体が時間経過により硬化したり、その流動性が低
下することとなる。In the above-mentioned conventional plastic injection material, since cement milk or fluid mortar is used as a hardening aid, the cement milk itself hardens over time. , The fluidity thereof is reduced.
【０００５】このため、夏季等環境温度が高くセメント
ミルク等の硬化時間が短くなる場合や、施工時間が長時
間になる場合には、セメントミルクに遅延剤等の混和剤
を添加して硬化時間が適正なものになるようにする必要
がある。[0005] For this reason, when the environmental temperature is high such as in summer and the hardening time of cement milk or the like is short, or when the working time is long, the admixture such as a retarder is added to the cement milk to harden the hardening time. Needs to be appropriate.
【０００６】しかし、環境温度やセメントミルクの配合
の割合により、必要となる遅延剤の配合量をその都度変
更する必要があり、取扱いが煩雑にである。また、日々
の施工終了時や製造プラントのトラブルなどにより、数
時間から数日間注入が中断する場合など、遅延剤の効果
が期待できない場合があり、毎回ホース内を洗浄してセ
メントミルクを取り出す必要がある。その上、洗浄した
廃水の処理も必要となり手間がかかってしまう。However, it is necessary to change the necessary amount of the retarder each time depending on the environmental temperature and the mixing ratio of the cement milk, and the handling is complicated. Also, when injection is interrupted for several hours to several days due to the end of daily construction or troubles in the manufacturing plant, the effect of the delay agent may not be expected.Therefore, it is necessary to clean the hose and take out cement milk every time. There is. In addition, the treatment of the washed wastewater is required, which is troublesome.
【０００７】そこで、本発明は、遅延剤等を添加するこ
とがなくとも使用する液材が時間を経て硬化したり、流
動性の低下が発生することがない可塑性注入材を提供す
ることを目的とする。Accordingly, an object of the present invention is to provide a plastic injection material in which a liquid material to be used does not harden over time and a decrease in fluidity does not occur without adding a retarder or the like. And
【０００８】[0008]
【課題を解決するための手段】発明者は鋭意検討を行
い、水酸化カルシウムなどを含む刺激剤（石灰、石膏、
セメント水和物等）などの硬化助材を混合したアルカリ
性の液材（刺激液：Ａ液）と、潜在水硬性物質（高炉ス
ラグ、ポゾラン反応物質等）と可塑化材（ベントナイト
等）とを混入した液材（硬化液：Ｂ液）を使用し、Ａ液
とＢ液とを攪拌混合して形成される可塑性注入材を使用
することにより上記課題を解決できることを見いだし
た。Means for Solving the Problems The present inventors have conducted intensive studies and have found that stimulants containing calcium hydroxide and the like (lime, gypsum,
An alkaline liquid material (stimulating liquid: liquid A) mixed with a hardening aid such as cement hydrate, a latent hydraulic substance (blast furnace slag, pozzolanic reactant, etc.) and a plasticizer (bentonite, etc.) It has been found that the above problem can be solved by using a mixed liquid material (curing liquid: liquid B) and using a plastic injection material formed by stirring and mixing the liquid A and the liquid B.
【０００９】即ち、請求項１に記載の発明は、潜在水硬
性材料に接触してこれを硬化させる自硬性を有さない硬
化助材及び水を含む混合液（刺激液：Ａ液）と、前記潜
在水硬性材料、可塑化材及び水からなる混合液（硬化
液：Ｂ液）とを攪拌混合して形成される可塑性注入材で
ある。That is, the invention according to claim 1 provides a liquid mixture (stimulating liquid: liquid A) containing a hardening aid having no self-hardening property for contacting and hardening a latent hydraulic material and having a self-hardening property, A plastic injection material formed by stirring and mixing a liquid mixture (curing liquid: liquid B) comprising the latent hydraulic material, plasticizer, and water.
【００１０】ここで、潜在水硬性材料は、水和反応によ
り水和物を形成して硬化しうる鉱物成分を含有している
が通常の条件下で水と接触しても水和反応を開始するこ
とがなく、この反応系に硬化助材を存在させると水和反
応を開始して硬化する材料をいう。また、硬化助材は、
前記潜在水硬化性材料と水の存在下に接触すると、潜在
水硬化助材料が水和反応を開始して硬化する材料をい
う。Here, the latent hydraulic material contains a mineral component that can form a hydrate by hydration and harden, but the hydration reaction starts even when it comes into contact with water under ordinary conditions. This is a material that starts hydration and cures when a curing aid is present in the reaction system without causing any curing. The curing aid is
When the latent water-curable material comes into contact with the latent water-curable material in the presence of water, the latent water-curable auxiliary material starts a hydration reaction and hardens.
【００１１】前記潜在水硬性材料としては、高炉スラグ
などのスラグ粉末、及びポゾラン粉末から選ばれた１種
以上からなるものを用いることができる。ポゾラン粉末
は、天然ポゾランとして、火山灰、ケイ酸白土、珪藻
土、ベントナイト、カオリン等の粘土類、並びに人工ポ
ゾランとして、か焼カオリンなどのか熱粘土類、フライ
アッシュ（石灰灰）、シリカフューム等から選ぶことが
できる。ポゾラン粉末とはそれ自体は水硬性を有しない
が水の存在下において水酸化カルシウムと常温で除々に
反応して水不溶性の化合物を形成して硬化する微粉末状
シリカ質材料である。As the latent hydraulic material, a material composed of at least one selected from slag powder such as blast furnace slag and pozzolan powder can be used. Pozzolan powder should be selected from natural pozzolans such as volcanic ash, clay silicate, diatomaceous earth, bentonite, kaolin and other clays, and artificial pozzolans from calcined kaolin and other hot clays, fly ash (lime lime), silica fume, etc. Can be. The pozzolanic powder is a finely powdered siliceous material which does not itself have hydraulic properties, but gradually reacts with calcium hydroxide at room temperature in the presence of water to form a water-insoluble compound and hardens.
【００１２】また、硬化助材としては、セメント水和
物、石灰、苦土石灰、二水石膏、アルカリ金属の水酸化
物、アルカリ金属のアルカリ性塩、リン酸、リン酸塩か
ら選ばれた１種以上からなるものを使用することができ
る。The hardening aid is selected from the group consisting of cement hydrate, lime, formic lime, gypsum dihydrate, alkali metal hydroxide, alkali metal alkali salt, phosphoric acid and phosphate. Those consisting of more than one species can be used.
【００１３】請求項２に記載の発明は、前記潜在水硬性
材料が高炉スラグであることを特徴とする可塑性注入材
である。[0013] The invention according to claim 2 is the plastic injection material, wherein the latent hydraulic material is blast furnace slag.
【００１４】請求項３に記載の発明は、前記高炉スラグ
の配合量が、可塑性注入材１ｍ3 に対し、１２０〜３０
０ｋｇであることを特徴とする可塑性注入材である。According to a third aspect of the present invention, the amount of the blast furnace slag is 120 to 30 with respect to 1 m 3 of the plastic injection material.
It is a plastic injection material characterized by being 0 kg.
【００１５】１２０ｋｇ以下であると硬化後の注入材が
必要な強度を発生しないし、３００ｋｇ以上であると混
練が難しくなる。If the weight is less than 120 kg, the injection material after curing does not generate necessary strength, and if it is more than 300 kg, kneading becomes difficult.
【００１６】請求項４に記載の発明は、前記硬化助材
が、セメント水和物、消石灰、生石灰または二水石膏で
あることを特徴とする可塑性注入材である。According to a fourth aspect of the present invention, there is provided a plastic injection material, wherein the hardening aid is cement hydrate, slaked lime, quick lime or gypsum.
【００１７】請求項５に記載の発明は、前記可塑化材
が、ベントナイトであることを特徴とする可塑性注入材
である。According to a fifth aspect of the present invention, in the plastic injection material, the plasticizer is bentonite.
【００１８】〔作用〕前記潜在水硬性材料が、例えば、
高炉スラグ粉末からなる場合、これ自身は、水と接触し
ても水和して硬化することがないが、これを刺激剤など
の硬化助材、例えばセメント水和物などのアルカリ性を
発現する材料と接触させると、高炉スラグ粉末は、この
刺激剤によって刺激され、水和反応が開始することによ
り高炉スラグの組成成分から珪酸石灰水和物、アルミン
酸石灰水和物などを生成することにより水和硬化する。[Operation] The latent hydraulic material is, for example,
When made of blast furnace slag powder, it itself does not hydrate and harden even when it comes into contact with water, but it is used as a hardening aid such as a stimulant, for example, a material that expresses alkalinity such as cement hydrate. When contacted with the blast furnace slag powder, the blast furnace slag powder is stimulated by this stimulant, and the hydration reaction starts to generate silicate lime hydrate, aluminate lime hydrate, and the like from the constituent components of the blast furnace slag. It hardens.
【００１９】また、潜在水硬性材料が、ポゾラン粉末か
らなるものであるとき、これら自身は珪酸成分及び／又
はアルミン酸成分を主成分とするものであって、水と接
触しても水和硬化することはないが、これに硬化助材、
例えば酸化カルシウム或は、リン酸又はリン酸塩を接触
させると、この硬化助材が潜在水硬性材料の前記成分と
反応して、例えば、酸化カルシウムが珪酸成分と反応し
で珪酸カルシウム水和物を生成することにより、又、リ
ン酸がアルミン酸成分と反応してリン酸アルミニウム水
和物を生成することなどにより、これを水和硬化させる
ことができる。When the latent hydraulic material is composed of pozzolanic powder, it itself contains a silicate component and / or an aluminate component as a main component. Although it does not do this,
For example, when calcium oxide or phosphoric acid or phosphate is brought into contact, this hardening aid reacts with the above-mentioned components of the latent hydraulic material, for example, calcium oxide reacts with a silicic acid component to form calcium silicate hydrate. , Or by reacting phosphoric acid with an aluminate component to form aluminum phosphate hydrate, which can be hydrated and hardened.
【００２０】さらに、可塑化材がベントナイトであると
きには、Ａ液中のベントナイトは、Ｂ液中の陽イオンの
作用により凝集され、注入材に可塑性が発生する。Further, when the plasticizer is bentonite, the bentonite in the solution A is aggregated by the action of the cations in the solution B, and the injected material becomes plastic.
【００２１】そのため、係る可塑性注入材によれば、Ａ
液、Ｂ液を混練する前の状態では、Ａ液自体及びＢ液自
体の流動性の低下や、硬化がないため、日々の施工終了
時や施工中断時にミキサー、ホースなどの洗浄が必要な
くなり施工の省力化となり、また、洗浄水の排水処理も
不要となる。Therefore, according to the plastic injection material, A
Before kneading the liquid and liquid B, the fluidity of the liquid A and liquid B itself does not decrease or harden. Therefore, it is not necessary to clean the mixer and hose at the end of daily work or when the work is interrupted. This also saves labor and eliminates the need for drainage of cleaning water.
【００２２】[0022]
【発明の実施の形態】以下本発明の実施の形態を説明す
る。本発明では潜在水硬性物質として高炉スラグを使用
し、また、可塑材としてベントナイトを使用する。ま
た、刺激材として消石灰、生石灰、二水石膏、及びセメ
ント水和物（商品名ＮＢＡ）を使用する。Embodiments of the present invention will be described below. In the present invention, blast furnace slag is used as a latent hydraulic substance, and bentonite is used as a plasticizer. In addition, slaked lime, quicklime, gypsum dihydrate, and cement hydrate (trade name: NBA) are used as stimulants.
【００２３】本例によれば、２液を混合すると、高炉ス
ラグ粉末は、この刺激剤によって刺激され、水和反応が
開始することにより高炉スラグの組成成分から珪酸石灰
水和物、アルミン酸石灰水和物などを生成することによ
り水和硬化し所定の強度を発生する。According to this example, when the two liquids are mixed, the blast furnace slag powder is stimulated by this stimulant, and the hydration reaction starts, whereby the blast furnace slag is decomposed from the constituent components of the blast furnace slag to lime hydrate, lime aluminate By producing hydrates and the like, hydration hardens and generates a predetermined strength.
【００２４】また、Ｂ液中のベントナイトは膨潤し、マ
イナスイオンに帯電している。これにＡ液を混合すると
Ａ液に含まれる水酸化カルシウムなどにより、ベントナ
イト粒子表面のマイナス荷電をカルシウムプラスイオン
が中和することにより、ベントナイト粒子の分子間引力
による急激な凝集反応が発生し、瞬時に可塑性を生じ
る。The bentonite in the solution B swells and is charged with negative ions. When the solution A is mixed with the solution, calcium hydroxide contained in the solution A neutralizes the negative charge on the surface of the bentonite particles by calcium plus ions, thereby causing a rapid agglutination reaction due to the intermolecular attraction of the bentonite particles. Generates plasticity instantly.
【００２５】本発明におけるＡ液Ｂ液の配合、各液の混
合割合は、使用目的に応じて適宜決定されるものであ
る。In the present invention, the mixing of the liquid A and the liquid B and the mixing ratio of each liquid are appropriately determined according to the purpose of use.
【００２６】[0026]
【実施例】以下本発明に係る発明を下記実施例によりさ
らに説明する。以下の実施例において、注入材の配合、
及び試験項目は以下の実施例に示す通りである。EXAMPLES The invention according to the present invention will be further described with reference to the following examples. In the following examples, the formulation of the injection material,
The test items are as shown in the following examples.
【００２７】なお、調製された可塑性注入材のフロー値
は、日本道路公団規格試験法であるシリンダー法で８０
（自立）〜１５０ｍｍが好ましく、８０〜１２０ｍｍが
より好ましい。８０〜１２０ｍｍでは可塑性注入材とし
て最適であるうえ、水中打設又は流水のある場所でも材
料分離が極めて少なく利用可能である。また、１２０〜
１５０ｍｍ では流水等の影響を受けない場合、十分に
可塑性注入材として使用可能であるが、水中打設に使用
の場合、濁りや材料に亀裂が生じる可能性がある。１５
０ｍｍ以上のものは限定注入等には適さない。The flow value of the prepared plastic injection material is 80 according to the cylinder method, which is a standard test method of the Japan Highway Public Corporation.
(Self-standing) to 150 mm is preferred, and 80 to 120 mm is more preferred. When the thickness is 80 to 120 mm, the material is optimal as a plastic injection material, and can be used with very little material separation even in a place where it is poured underwater or in a place where flowing water is present. Also, 120-
If it is 150 mm, it can be sufficiently used as a plastic injection material when it is not affected by running water. However, when it is used for submerged casting, turbidity and cracks may occur in the material. Fifteen
Those with a diameter of 0 mm or more are not suitable for limited injection.
【００２８】また可塑性注入材の硬化体の強度は、地盤
工学会基準「一軸圧縮試験（ＪＩＳＡ１２１６）」によ
り測定した。The strength of the cured plastic injection material was measured according to the Japanese Geotechnical Society standard “Uniaxial compression test (JISA1216)”.
【００２９】この基準の無いようは以下の通りである。 ・供試体寸法φ５×１０ｃｍ ・各材齢３本使用 養生条件 ・気中養生：材齢１日後脱型、ラップに包み２０℃恒温
室養生 ・水中養生：材齢１日後脱型、容器に供試体体積の１０
倍の水を入れ、強度試験日まで２０℃水中養生The absence of this criterion is as follows.・ Specimen size φ5 × 10cm ・ Three ages are used. Curing conditions ・ Aerial curing: Removed after 1 day of age, wrapped in wrap, 20 ° C constant temperature room curing ・ Underwater curing: Removed after 1 day of age, supplied to container 10 of sample volume
Add water twice and cure in water at 20 ℃ until the strength test date
【００３０】（実施例１）本例は、刺激材の種類を変
え、それぞれの刺激材を使用した場合の注入材の物性を
測定した。Example 1 In this example, the types of stimulating materials were changed, and the physical properties of the injection materials when using each stimulating material were measured.
【００３１】Ａ液の刺激材（Ａ材）として消石灰、
生石灰、二水石膏、ＮＢＡ（商標：セメント水和
物）の４種を使用した。Slaked lime as a stimulant for the liquid A (material A)
Four types of quicklime, dihydrate gypsum, and NBA (trademark: cement hydrate) were used.
【００３２】Ｂ液の潜在水硬化性材料として、高炉スラ
グ（ＪＩＳ Ｒ５２１１「高炉セメント」に規定される
もの）を、可塑材としてベントナイト（膨潤度１６のも
の：２００メッシュふるい全通の粒径のもの）を使用し
たBlast furnace slag (as defined in JIS R5211 "Blast furnace cement") as a latent water-curable material of liquid B, and bentonite (having a degree of swelling of 16: 200 mesh sieve) as a plasticizer Stuff)
【００３３】そして、Ａ液、Ｂ液は材料分離がなく、ポ
ンプ圧送性のよいフロー値１６０〜３００ｍｍとなる配
合とした。The liquids A and B were formulated so that there was no material separation and the flow value was 160 to 300 mm with good pumpability.
【００３４】その配合を表１に示し、各供試体につい
て、Ａ液、Ｂ液単独のフロー値、両液混合直後のフロー
値（可塑性）、及び両液混練後の注入材の一軸圧縮強さ
を表２に示す。The composition is shown in Table 1. For each specimen, the flow value of liquid A and liquid B alone, the flow value immediately after mixing both liquids (plasticity), and the uniaxial compressive strength of the injected material after mixing both liquids Are shown in Table 2.
【００３５】[0035]
【表１】 [Table 1]
【００３６】[0036]
【表２】 [Table 2]
【００３７】表１および表２から、各供試体、、
及びは、所定のフロー値、及び圧縮強度を備えること
が確認できた。From Tables 1 and 2, each specimen,
It was confirmed that and had predetermined flow values and compressive strengths.
【００３８】（実施例２）本例は、Ｂ液への可塑材とし
てのベントナイト添加量を変化させた場合についての可
塑性状を測定した。なおＡ液、及びＢ液のスラグ量は上
記表１の配合と同じである。その結果を表３に示す。(Example 2) In this example, the plastic properties of the case where the amount of bentonite as a plasticizer added to the liquid B was changed were measured. The slag amounts of the liquid A and the liquid B are the same as those in Table 1. Table 3 shows the results.
【００３９】[0039]
【表３】 [Table 3]
【００４０】表３より、ベントナイトの添加量は８０〜
１２０ｋｇ／ｍ3 程度が好ましく、１００〜１２０ｋｇ
／ｍ3 が最適であることが確認できた。即ち、添加量が
８０ｋｇ／ｍ3 より少ないと、注入材の可塑化が不良と
なり、また１２０ｋｇ／ｍ3を越えると混練が難しくな
る。As shown in Table 3, the amount of bentonite was 80 to
About 120 kg / m 3 is preferable, and 100 to 120 kg
/ M 3 was found to be optimal. That is, if the added amount is less than 80 kg / m 3 , the plasticization of the injection material becomes poor, and if it exceeds 120 kg / m 3 , kneading becomes difficult.
【００４１】（実施例３）本例は、Ｂ液への潜在水硬化
助材としての高炉スラグの添加量を変化させた場合につ
いて養生２８日の供試体の一軸圧縮強度（Ｎ／ｍｍ2 ）
を測定した。なおＡ液、及びＢ液のベントナイト量は上
記表１の配合と同じである。その結果を表４に示す。(Example 3) In this example, the uniaxial compressive strength (N / mm 2 ) of a test sample on the 28th day after curing was changed when the amount of blast furnace slag as a latent water hardening aid added to the solution B was changed.
Was measured. The amount of bentonite in the solution A and the solution B is the same as the composition in Table 1 above. Table 4 shows the results.
【００４２】[0042]
【表４】 [Table 4]
【００４３】表４より、高炉スラグの添加量は１２０〜
３００ｋｇ／ｍ3 程度が好ましいことが確認できた。即
ち、添加量が１２０ｋｇ／ｍ3 より少ないと、強度が発
現しなくなり、また３００ｋｇ／ｍ3 を越えると混練が
難しくなる。According to Table 4, the addition amount of blast furnace slag is 120 to
It was confirmed that about 300 kg / m 3 was preferable. That is, if the added amount is less than 120 kg / m 3 , strength is not exhibited, and if it exceeds 300 kg / m 3 , kneading becomes difficult.
【００４４】（実施例４）本例は、Ａ液の流動性変化
（フロー値ｍｍ）を経時的に測定したものである。比較
例として、Ａ液にセメントミルクＷ／Ｃ＝50％を使用し
たものと、これに遅延剤（ポリゾスNO.８９）を２％添
加したものに付いて同様に測定した。尚表中「Ａ液＋Ｂ
液」については、Ａ液を１日経過後にＢ液と混合して測
定している。その結果を表５に示す。Example 4 In this example, the change in fluidity (flow value mm) of the solution A was measured over time. As a comparative example, the same measurement was performed for the liquid A using 50% of cement milk W / C and the liquid A to which 2% of a retarder (Polyzos NO.89) was added. In the table, "A liquid + B
"Liquid" is measured by mixing Liquid A with Liquid B after one day. Table 5 shows the results.
【００４５】[0045]
【表５】 [Table 5]
【００４６】表５より、供試体、、は混合直後か
ら一日経過後にいたるまでほとんど流動性に変化はない
ことが確認できた。また供試体は生石灰が吸水し、若
干、流動性は低下することが確認できた。また、各供試
体、〜ともＢ液混合直後に於ける、可塑性は良好で
あることが確認できた。From Table 5, it was confirmed that there was almost no change in fluidity from immediately after mixing to one day after the test. In addition, it was confirmed that the test piece absorbed quicklime and the fluidity was slightly lowered. In addition, it was confirmed that the plasticity of each specimen was good immediately after mixing the liquid B.
【００４７】一方比較例では試験途中でＡ液（セメント
ミルク）が固化したため、フロー測定不能となった。On the other hand, in the comparative example, since the liquid A (cement milk) was solidified during the test, the flow could not be measured.
【００４８】[0048]
【発明の効果】以上述べたように、本発明によれば、潜
在水硬性材料に接触してこれを硬化させる自硬性を有さ
ない硬化助材及び水を含む混合液（Ａ液）と、潜在水硬
性材料可塑化材及び水からなる混合液（Ｂ液）と、を攪
拌混合して形成されるものとしたため、Ａ液、Ｂ液を混
練する前の状態では、Ａ液自体及びＢ液自体の流動性の
低下や、硬化がないため、日々の施工終了時や施工中断
時にミキサー、ホースなどの洗浄が必要なくなり施工の
省力化となり、また、洗浄水の排水処理も不要となると
いう効果を奏する。As described above, according to the present invention, a liquid mixture (solution A) containing water and a curing aid having no self-hardening property, which contacts and hardens a latent hydraulic material, The liquid A (liquid B) itself and the liquid B (liquid B and liquid B) were kneaded before and after kneading the liquid A and liquid B, since the liquid mixture (liquid B) composed of the latent hydraulic material plasticizer and water was formed by stirring and mixing. Since there is no decrease in fluidity of the material itself and no hardening, cleaning of mixers and hoses is not required at the end of daily work or at the time of work interruption, which saves labor and reduces the need for drainage of cleaning water. To play.
───────────────────────────────────────────────────── 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 28/08 (Ｃ０４Ｂ 28/08 22:06 22:06 Ｚ 22:14 22:14 Ｂ 14:10） 14:10） Ｚ 103:30 103:30 111:72 111:72 Ｃ０９Ｋ 103:00 Ｃ０９Ｋ 103:00 (72)発明者 内沢 司 千葉県船橋市豊富町585番地 住友大阪セ メント株式会社セメントコンクリート研究 所関東技術センター内 Ｆターム(参考） 2D040 AA06 BB01 CA01 CA03 4G012 PA06 PA29 PB03 PB11 PC01 4H026 CA01 CA02 CA04 CA05 CB01 CB03 CC06 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) (C04B 28/08 (C04B 28/08 22:06 22:06 Z 22:14 22:14 B 14:10 14:10) Z 103: 30 103: 30 111: 72 111: 72 C09K 103: 00 C09K 103: 00 (72) Inventor Tsukasa Uchizawa 585 Tomicho, Funabashi-shi, Chiba Sumitomo Osaka Cement Co., Ltd. Cement Concrete Research F-term in Kanto Technical Center (reference) 2D040 AA06 BB01 CA01 CA03 4G012 PA06 PA29 PB03 PB11 PC01 4H026 CA01 CA02 CA04 CA05 CB01 CB03 CC06
Claims (5)
せる自硬性を有さない硬化助材及び水を含む混合液と、 前記潜在水硬性材料、可塑化材及び水からなる混合液
と、 を攪拌混合して形成される可塑性注入材。1. A mixed liquid containing a hardening aid having no self-hardening property for contacting and hardening a latent hydraulic material and having no water, and a mixed liquid comprising the latent hydraulic material, a plasticizer and water. Plastic injection material formed by stirring and mixing.
ことを特徴とする請求項１に記載の可塑性注入材。2. The plastic injection material according to claim 1, wherein the latent hydraulic material is blast furnace slag.
材１ｍ3 に対し、１２０〜３００ｋｇであることを特徴
とする請求項２に記載の可塑性注入材。3. The plastic injection material according to claim 2, wherein the amount of the blast furnace slag is 120 to 300 kg per 1 m 3 of the plastic injection material.
灰、生石灰または二水石膏であることを特徴とする請求
項１、請求項２または請求項３に記載の可塑性注入材。4. The plastic injection material according to claim 1, wherein the hardening aid is cement hydrate, slaked lime, quick lime or gypsum.
とを特徴とする請求項１、請求項２、請求項３、または
請求項４に記載の可塑性注入材。5. The plastic injection material according to claim 1, wherein the plasticizer is bentonite.
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| JP2000115510A JP3366617B2 (en) | 2000-04-17 | 2000-04-17 | Plastic injection material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000115510A JP3366617B2 (en) | 2000-04-17 | 2000-04-17 | Plastic injection material |
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| Publication Number | Publication Date |
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| JP2001302324A true JP2001302324A (en) | 2001-10-31 |
| JP3366617B2 JP3366617B2 (en) | 2003-01-14 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281586A (en) * | 2004-03-30 | 2005-10-13 | Sumitomo Osaka Cement Co Ltd | Two-part injection material and method for manufacturing the same |
| JP2006515260A (en) * | 2002-12-24 | 2006-05-25 | ツィンファ ユニバーシティ | Shearite two-component wet cement, method for producing and using the same |
| JP2007016584A (en) * | 2005-06-09 | 2007-01-25 | Kyokado Eng Co Ltd | Reinforced earth method |
| JP2007045658A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Delayed-plastic grout material |
| JP2007045659A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Plastic grout material and grouting method |
| JP2007045657A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Plastic grout material and grouting method |
| JP2007077796A (en) * | 2005-08-18 | 2007-03-29 | Kyokado Eng Co Ltd | Reinforced earth method |
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| JP2015229726A (en) * | 2014-06-05 | 2015-12-21 | 住友大阪セメント株式会社 | Plastic injection material, producing method for plastic injection material and application method for plastic injection material |
| JP2016147931A (en) * | 2015-02-10 | 2016-08-18 | 住友大阪セメント株式会社 | Plastic injection material, production method thereof, and execution method thereof |
| JP2016147769A (en) * | 2015-02-10 | 2016-08-18 | 住友大阪セメント株式会社 | Plastic injection material, production method thereof, and execution method thereof |
| JP2018184344A (en) * | 2018-07-30 | 2018-11-22 | 住友大阪セメント株式会社 | Plastic injection material, production method thereof, and execution method thereof |
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| JP4700348B2 (en) * | 2002-12-24 | 2011-06-15 | ツィンファ ユニバーシティ | Two-component wet cement, method for producing and using the same |
| JP2005281586A (en) * | 2004-03-30 | 2005-10-13 | Sumitomo Osaka Cement Co Ltd | Two-part injection material and method for manufacturing the same |
| JP4484847B2 (en) * | 2005-06-09 | 2010-06-16 | 強化土エンジニヤリング株式会社 | Reinforced earthwork method and wall material |
| JP2007016584A (en) * | 2005-06-09 | 2007-01-25 | Kyokado Eng Co Ltd | Reinforced earth method |
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| JP2007045657A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Plastic grout material and grouting method |
| JP2007045659A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Plastic grout material and grouting method |
| JP4636970B2 (en) * | 2005-08-09 | 2011-02-23 | 住友大阪セメント株式会社 | Grout method |
| JP2007045658A (en) * | 2005-08-09 | 2007-02-22 | Sumitomo Osaka Cement Co Ltd | Delayed-plastic grout material |
| JP2007077796A (en) * | 2005-08-18 | 2007-03-29 | Kyokado Eng Co Ltd | Reinforced earth method |
| JP2011093800A (en) * | 2010-12-21 | 2011-05-12 | Sumitomo Osaka Cement Co Ltd | Grout construction method |
| JP2015129233A (en) * | 2014-01-08 | 2015-07-16 | 住友大阪セメント株式会社 | Plastic injection material, and production method thereof |
| JP2015229726A (en) * | 2014-06-05 | 2015-12-21 | 住友大阪セメント株式会社 | Plastic injection material, producing method for plastic injection material and application method for plastic injection material |
| JP2016147931A (en) * | 2015-02-10 | 2016-08-18 | 住友大阪セメント株式会社 | Plastic injection material, production method thereof, and execution method thereof |
| JP2016147769A (en) * | 2015-02-10 | 2016-08-18 | 住友大阪セメント株式会社 | Plastic injection material, production method thereof, and execution method thereof |
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