JP3502306B2 - Plastic injection material - Google Patents
Plastic injection materialInfo
- Publication number
- JP3502306B2 JP3502306B2 JP24123799A JP24123799A JP3502306B2 JP 3502306 B2 JP3502306 B2 JP 3502306B2 JP 24123799 A JP24123799 A JP 24123799A JP 24123799 A JP24123799 A JP 24123799A JP 3502306 B2 JP3502306 B2 JP 3502306B2
- Authority
- JP
- Japan
- Prior art keywords
- suspension
- cement
- liquid
- plastic injection
- seawater
- 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 - Lifetime
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
-
- 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
- C04B2111/74—Underwater applications
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)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、海水に接する注入
個所に適用する可塑性注入材に関するものである。この
ような可塑性注入材は、海洋構造物、港湾構造物等の護
岸壁裏込め等、海水に接する隙間等の充填部に注入及び
打設するために用いられる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic injection material applied to an injection point in contact with seawater. Such a plastic injecting material is used for injecting and placing in a filling portion such as a gap contacting seawater, such as backfilling of a revetment wall of a marine structure or a harbor structure.
【０００２】[0002]
【従来の技術】従来、本願出願人は、特願平１０−１３
０１４３号（発明の名称、可塑性注入材）において、化
学的に安定しており、耐久性に優れ、しかも安価で容易
に入手可能な材料を用い、瞬時に可塑性体となり、限定
注入や流水下でも空洞充填が確実に行われる注入材料と
してセメントミルクとベントナイトミルクとを攪拌混合
して形成される可塑性注入材を提案している。2. Description of the Related Art Conventionally, the applicant of the present application has filed Japanese Patent Application No. 10-13.
No. 0143 (invention name, plastic injection material) uses a material that is chemically stable, has excellent durability, is inexpensive, and is easily available, and instantly becomes a plastic body, and even under limited injection or running water. As a pouring material for surely filling a cavity, a plastic pouring material formed by stirring and mixing cement milk and bentonite milk is proposed.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上述した従
来の発明に係る可塑性注入材にあっては、空洞充填部に
海水が接する充填部、即ち注入材に直接海水が接触した
り注入材に海水が混じるる個所でも、注入材が所定の強
度を得るようにしたいという要望がある。By the way, in the above-mentioned conventional plastic injection material according to the invention, seawater directly contacts the filling portion where the seawater is in contact with the cavity filling portion, that is, the injection material or the injection material is seawater. There is a demand for the injection material to have a predetermined strength even in a place where is mixed.
【０００４】しかしながら、水硬性粉体として使用する
セメントは、海水中のＳＯ4 2- イオンと反応し、硫酸塩
による劣化が生じることがある。これはＳＯ4 2- イオン
が直接、間接にセメント硬化体中のＣ3 Ａと反応し、エ
トリンガイトを生成し、体積膨張を生じ、崩壊、ひび割
れ等が生じるためである。However, the cement used as a hydraulic powder may react with SO 4 2− ions in seawater and be deteriorated by sulfate. This is because SO 4 2− ions directly or indirectly react with C 3 A in the hardened cement to generate ettringite, which causes volume expansion, collapse, and cracking.
【０００５】そこで、本発明は、高い耐海水性を備えた
可塑性注入材を提供することを目的とする。Therefore, an object of the present invention is to provide a plastic injection material having high seawater resistance.
【０００６】[0006]
【課題を解決するための手段】本発明者らは前記課題を
解決すべく種々検討を重ねた結果、水硬性粉体として、
セメントに高炉スラグを通常最も優れた耐海水性を示す
と言われている６０〜７０重量％よりも高い割合で配合
したものを使用し、この懸濁液と、適切な可塑化材の懸
濁液とを混合することにより、可塑性を備え且つ、高い
耐海水性を備える可塑性注入材が得られることを見い出
し、本発明を完成するに至った。Means for Solving the Problems As a result of various investigations conducted by the present inventors to solve the above problems, as a hydraulic powder,
Cement with blast furnace slag in a proportion higher than 60 to 70% by weight, which is said to normally exhibit the best seawater resistance, is used, and this suspension and a suspension of a suitable plasticizer are used. It has been found that a plastic injection material having plasticity and high seawater resistance can be obtained by mixing with a liquid, and the present invention has been completed.
【０００７】また、可塑化材としては、ベントナイト、
メタカオリン及びアタパルジャイトから選ばれる少なく
とも１種であれば、上記可塑性を発揮しつつ高い耐海水
性を保つことができる。Further, as the plasticizing material, bentonite,
At least one selected from metakaolin and attapulgite can exhibit high plasticity while maintaining high seawater resistance.
【０００８】 上記課題を解決するための請求項１に記
載の発明は、セメント５〜２０重量％と高炉スラグ８０
〜９５重量％を含む水硬性粉体の懸濁液と、ベントナイ
トからなる可塑化材の懸濁液とを攪拌混合して形成され
る可塑性注入材である。The invention according to claim 1 for solving the above-mentioned problems is 5 to 20% by weight of cement and blast furnace slag 80.
It is a plastic injection material formed by stirring and mixing a suspension of hydraulic powder containing up to 95% by weight and a suspension of a plasticizing material composed of bentonite.
【０００９】 また、請求項２に記載の発明は、セメン
ト５〜２０重量％と高炉スラグ８０〜９５重量％を含む
水硬性粉体の懸濁液と、メタカオリン及びアタパルジャ
イトから選ばれる少なくとも１種からなる可塑化材の懸
濁液とを攪拌混合して形成される可塑性注入材である。The invention according to claim 2 is a suspension of hydraulic powder containing 5 to 20% by weight of cement and 80 to 95% by weight of blast furnace slag, and at least one selected from metakaolin and attapulgite. It is a plastic injection material formed by stirring and mixing with a suspension of the plasticizing material.
【００１０】 高炉スラグを８０重量％未満にすると、
上記セメント系固化材が、海水中のＳＯ４ ２−イオンと
反応し注入材が効果後において破壊し、強度を発揮でき
ない。When the blast furnace slag is less than 80% by weight,
The cement-based solidifying material reacts with SO 4 2− ions in seawater and the injecting material is destroyed after the effect, and strength cannot be exhibited.
【００１１】 また、高炉スラグを９５重量％を超える
値にすると、セメント中のカルシウムイオン量が充分で
ないため注入材の可塑性が不十分となり、しかも硬化
後、強度発現が遅くなる。If the blast furnace slag has a value of more than 95% by weight, the amount of calcium ions in the cement is not sufficient, the plasticity of the injection material becomes insufficient, and the strength development becomes slow after curing.
【００１２】ベントナイト、メタカオリン及びアタパル
ジャイトは、可塑化材として、何れも十分な性能を発揮
する。Bentonite, metakaolin and attapulgite all exhibit sufficient performance as plasticizers.
【００１３】ベントナイト、メタカオリン、及びアタパ
ルジャイトは、これらの懸濁液と水硬性粉体の懸濁液と
を混合した場合に急激な凝集反応が発生するため水硬性
粉体の懸濁液を有効に可塑化することができる。Bentonite, metakaolin, and attapulgite make a suspension of hydraulic powder effective because a rapid agglomeration reaction occurs when these suspensions are mixed with a suspension of hydraulic powder. It can be plasticized.
【００１４】特に、メタカオリンを使用した可塑性注入
材は、混合前の可塑化材の懸濁液のフロー値を一定にな
るように作液した場合に、可塑化材の量が多くできるた
め、緻密な構造を形成し、化学的抵抗性が高くなり、海
水に対して優れた耐久性を備えたものとなる。Particularly, the plastic injection material using metakaolin is dense because the amount of the plasticization material can be increased when the liquid is prepared so that the flow value of the suspension of the plasticization material before mixing becomes constant. It has a unique structure, has high chemical resistance, and has excellent durability against seawater.
【００１５】[0015]
【発明実施の形態】本発明の可塑性注入材では、Ａ液と
して水硬性粉体である高炉スラグ及びセメントと水の懸
濁液（必要により砂、レキ、発泡ビーズ、気泡及び各種
混和剤を単独又は組み合わせて配合）が調製され、これ
とは別にＢ液として可塑化材の懸濁液（ベントナイト、
アタパルジャイト又はメタカオリン、水、必要により各
種混和剤を配合）が調製される。そして、Ａ液とＢ液を
混合し、瞬時に可塑化させる。BEST MODE FOR CARRYING OUT THE INVENTION In the plastic injection material of the present invention, as a liquid A, blast furnace slag which is a hydraulic powder and cement and a suspension of water (sand, rub, foam beads, air bubbles and various admixtures are used alone if necessary). Or a combination thereof is prepared, and a suspension of a plasticizer (bentonite,
Attapulgite or metakaolin, water, and optionally various admixtures are prepared). Then, the liquid A and the liquid B are mixed and instantly plasticized.
【００１６】Ａ液に用いる高炉スラグについては特に制
限はないが、ＪＩＳ Ｒ ５２１１「高炉セメント」に
規定されているものが好ましい。There is no particular limitation on the blast furnace slag used for the liquid A, but those specified in JIS R 5211 "Blast furnace cement" are preferable.
【００１７】また、Ａ液に用いるセメントは、普通、早
強、超早強、白色、耐硫酸塩、中庸熱、低熱などの各種
ポルトランドセメント、前記ポルトランドセメントの少
なくとも一種とフライアッシュなどとを混合した混合セ
メント、ジェットセメント、アルミナセメントなどの特
殊セメント、及びセメント系固化材から選ぶことができ
る。The cement used for the liquid A is usually various types of Portland cement such as early strength, super early strength, white color, sulfate resistance, moderate heat and low heat, and a mixture of at least one of the Portland cement and fly ash. The mixed cement, jet cement, special cement such as alumina cement, and cement-based solidifying material can be selected.
【００１８】このようにして調整される水硬性粉体の懸
濁液は、必要に応じて起泡剤を発泡処理した気泡を混合
しエアミルクとしてよい。また、水硬性粉体の懸濁液に
は、砂、レキ、発泡ビーズを含むように構成することが
できる。The hydraulic powder suspension prepared in this manner may be mixed with air bubbles obtained by foaming a foaming agent, if necessary, to prepare air milk. In addition, the suspension of hydraulic powder can be configured to include sand, gravel, and foam beads.
【００１９】Ａ液の水硬性粉体の懸濁液には必要に応じ
て、減水剤などの混和剤を添加してもよい。混和剤の添
加によっては練り上がり後の可塑性に影響はない。ま
た、減水剤添加によりＡ液中の単位水量を減らしたり、
単位セメント量を増加させることが可能なことより、高
強度化及び軽量化のためにとり得る配合設定の範囲を拡
大させることが可能である。また、Ａ液の水硬性粉体の
懸濁液に材料分離の可能性がある場合、材料分離防止を
目的として、Ａ液に少量のベントナイトを必要に応じて
添加することも可能である。An admixture such as a water reducing agent may be added to the suspension of the hydraulic powder of the liquid A, if necessary. The addition of the admixture does not affect the plasticity after kneading. Also, by adding a water-reducing agent, you can reduce the amount of unit water in solution A,
Since it is possible to increase the unit cement amount, it is possible to expand the range of compounding settings that can be taken for higher strength and lighter weight. Further, when there is a possibility of material separation in the suspension of hydraulic powder of the liquid A, a small amount of bentonite can be added to the liquid A as necessary for the purpose of preventing the material separation.
【００２０】Ｂ液に用いるベントナイト、メタカオリン
もしくはアタパルジャイトの品位については特に制限は
ないが、ベントナイトは膨潤力が１５以上のもの、メタ
カオリン及びアタパルジャイトは８０メッシュの篩で全
通となる粒径以下のものが好ましい。The quality of bentonite, metakaolin or attapulgite used in the liquid B is not particularly limited, but bentonite has a swelling power of 15 or more, and metakaolin and attapulgite have a particle size of 80 mesh or less so that they are all through. Is preferred.
【００２１】本発明は、上記のごとく予め調製したＡ
液、Ｂ液をそれぞれミルク状態、懸濁液状態にして瞬時
に混合する。Ａ液の水硬性粉体の懸濁液は、水溶液がセ
メントから遊離されるカルシウムイオンで過飽和の状態
となり、プラス荷電のカルシウムイオンで満たされてい
る。The present invention provides A prepared in advance as described above.
The liquid and the liquid B are made into a milk state and a suspension state, respectively, and mixed instantaneously. The suspension of hydraulic powder of the liquid A is supersaturated with calcium ions released from cement in the aqueous solution, and is filled with positively charged calcium ions.
【００２２】一方、Ｂ液の懸濁液は、マイナスイオンに
荷電している。このようなミルクと懸濁液との混合によ
って、ベントナイト、メタカオリン又はアタパルジャイ
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、メタカオリン又は
アタパルジャイト粒子の分子間引力並びに表面積効果に
基づく急激な凝集作用により、瞬時に可塑化させること
ができる。On the other hand, the suspension of the liquid B is negatively charged. By mixing such milk and suspension, the calcium plus ions neutralize the negative charge on the surface of bentonite, metakaolin or attapulgite particles, thereby rapidly increasing the intermolecular attractive force and surface area effect of bentonite, metakaolin or attapulgite particles. It can be instantly plasticized due to its aggregating action.
【００２３】なお、本発明におけるＡ液、Ｂ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。混
練時間はハンドミキサーで１５秒程度以下が好適であ
り、それ以上の混練では材料分離を生じ易くなるので好
ましくはない。The mixing ratio of the liquids A and B in the present invention is appropriately determined according to the purpose of use. The kneading time is preferably about 15 seconds or less with a hand mixer, and kneading longer than that is not preferable because material separation easily occurs.
【００２４】可塑性注入材の配合材料中の全水量のＡ
液、Ｂ液間の分配量の変更は特に制限はないが、Ａ液の
水硬性粉体の懸濁液の材料分離抵抗性を高めるために
は、均質な水硬性粉体の懸濁液の調製可能な範囲でＡ液
の水をできるだけ少なくすべきである。A of the total amount of water in the compounding material of the plastic injection material
There is no particular limitation on changing the distribution amount between the liquids B and B, but in order to increase the material separation resistance of the suspension of the hydraulic powder of the liquid A, a uniform suspension of the hydraulic powder should be used. The amount of water in the liquid A should be as small as possible within the range that can be prepared.
【００２５】また、可塑化性能を向上するためにＢ液の
懸濁液をより均一に分散させる必要があり、そのために
は、Ｂ液の水量をより多くする必要がある。即ち、全水
量を一定とする場合、均一混合性能の低下しない範囲で
Ａ液の水量を極力少なく、Ｂ液の水量を極力多くする配
合が最適である。Further, in order to improve the plasticizing performance, it is necessary to disperse the suspension of the liquid B more uniformly, and for that purpose, it is necessary to increase the amount of water in the liquid B. That is, when the total amount of water is constant, it is optimal to mix the amount of water in the liquid A as much as possible and the amount of water in the liquid B as much as possible within the range where uniform mixing performance does not deteriorate.
【００２６】[0026]
【実施例】本発明方法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、注入材の調製方法、試験材
料、及び試験方法は次の通りである。The method of the present invention will be further described with reference to the following examples. In the following examples, the method for preparing the injectable material, the test material, and the test method are as follows.
【００２７】〔調製方法〕Ａ液は、高炉スラグと普通ポ
ルトランドセメントと、水とをハンドミキサーで２分間
混練して調製した。[Preparation Method] Liquid A was prepared by kneading blast furnace slag, ordinary Portland cement and water with a hand mixer for 2 minutes.
【００２８】Ｂ液は、ベントナイトと、水とをそれぞれ
往復攪拌ミキサーで５分間混練して調製した。Ａ液とＢ
液の混合は、ハンドミキサーで１０〜１５秒程度混練し
て調製した。Solution B was prepared by kneading bentonite and water with a reciprocating stirring mixer for 5 minutes. Liquid A and B
The liquid was mixed by kneading with a hand mixer for about 10 to 15 seconds.
【００２９】〔試験材料〕試験に使用した材料は以下の
通りである。
Ａ材（固化材）
普通ポルトランドセメント：粉末度比表面積３３３０
高炉スラグ：塩基度（ＪＩＳ Ｒ ５２１１に規定）
１．８５，粉末度比表面積４５２０
Ｂ材（可塑化材）
ベントナイト：膨潤力１６
上記ベントナイトは２００メッシュふるい全通の粒径に
調整したものである。[Test Material] The materials used for the test are as follows. Material A (solidified material) Ordinary Portland cement: Specific surface area of fineness 3330 Blast furnace slag: Basicity (specified in JIS R 5211)
1.85, fineness specific surface area 4520 Material B (plasticizing material) Bentonite: Swelling power 16 The above bentonite is adjusted to have a particle size of 200 mesh sieve.
【００３０】〔試験〕試験項目として「フロー値」の測
定、「可塑性」の判定、及び「耐海水の試験」を以下の
ような基準で行った。尚、これらの例ではＡ液とＢ液と
の配合は、表１に従って行った。[Test] As a test item, "flow value" was measured, "plasticity" was determined, and "seawater resistance test" was conducted according to the following criteria. In these examples, the liquid A and the liquid B were compounded according to Table 1.
【００３１】[0031]
【表１】 [Table 1]
【００３２】（フロー値及び可塑化判定）
日本道路公団規格「エアモルタル及びエアミルクの試験
方法（ＪＨＳＡ ３１３−１９９２）」のコンシステン
シー試験方法のシリンダー法に準拠
内径８cm高さ８cmのシリンダーに試料を入れ、シリンダ
ー引き抜き後の試料の底面の直径をフロー値として測定
した。(Flow Value and Judgment of Plasticization) Conforms to the cylinder method of the consistency test method of the Japan Highway Public Corporation standard “Test method for air mortar and air milk (JHSA 313-1992)”. The diameter of the bottom surface of the sample after putting in and pulling out the cylinder was measured as a flow value.
【００３３】高炉スラグと普通ポルトランドセメントの
配合比率を変え、４列について試験を行った。例１乃至
例４について、フロー値が１２０ｍｍ以下は可塑性良と
して「○」ととして示した。Ａ液の固化材の配合比率お
よび結果を表２に示す。The test was conducted on four rows by changing the compounding ratio of the blast furnace slag and the ordinary Portland cement. In Examples 1 to 4, when the flow value was 120 mm or less, the plasticity was good, and was shown as “◯”. Table 2 shows the compounding ratio of the solidifying material of the liquid A and the result.
【００３４】[0034]
【表２】 [Table 2]
【００３５】これにより、例１〜例４は、可塑性につい
ては良好であると判断される。Thus, Examples 1 to 4 are judged to have good plasticity.
【００３６】（耐海水試験）上記４例について、φ５×
１０ｃｍの供試体を作成し、これらの供試体をその体積
の１０倍の人工海水（２０℃）に浸漬し、所定の材令で
一軸圧縮強度試験を行なうと共に供試体の劣化を目視で
観察した。その結果を表３に示す。(Seawater resistance test) φ5 ×
Specimens of 10 cm were prepared, these specimens were immersed in artificial seawater (20 ° C.) of 10 times its volume, and a uniaxial compressive strength test was performed at a specified age and deterioration of the specimens was visually observed. . The results are shown in Table 3.
【００３７】[0037]
【表３】 [Table 3]
【００３８】なお、試験に使用した人工海水の組成と、
自然の海水の成分の組成を表４に示す。The composition of the artificial seawater used in the test and
Table 4 shows the composition of the components of natural seawater.
【００３９】[0039]
【表４】 [Table 4]
【００４０】また、上記組成の人工海水を作成した海水
固形物（マリンエッセンスＮＫ−１（日本家庭用塩株式
会社製））（清水に４％希釈して人工海水とした）の組
成を表５に示す。Further, the composition of seawater solid matter (Marine Essence NK-1 (manufactured by Japan Household Salt Co., Ltd.)) (4% diluted with fresh water to prepare artificial seawater) from which artificial seawater having the above composition was prepared is shown in Table 5. Shown in.
【００４１】[0041]
【表５】 [Table 5]
【００４２】（気中試験）参考のため、上記４例につい
ての気中養生試験の結果を表６に示す。耐海中試験と同
様のφ５×１０ｃｍの４例の供試体を大気雰囲気（２０
°Ｃ）で養生し、所定の材令で一軸圧縮試験を行なっ
た。(Aerial test) For reference, Table 6 shows the results of the aerial curing test for the above four examples. Similar to the sea resistance test, four specimens with φ5 × 10 cm were placed in the atmosphere (20
C.) and a uniaxial compression test was performed at a specified age.
【００４３】[0043]
【表６】
この例によれば、例１乃至１例４は従来品よりも大きな
強度を発揮していることがわかる。[Table 6] According to this example, it is understood that Examples 1 to 4 exhibit greater strength than the conventional product.
【００４４】〔その他の実施例〕本発明によれば、水硬
性粉体として、セメントに高炉スラグを高い割合で配合
したものを使用した場合には、可塑化材としてベントナ
イト以外にメタカオリン、又はアタパルジャイトを使用
しても耐海水性を低下させることはないと推定できる。[Other Examples] According to the present invention, when hydraulic powder containing cement mixed with blast furnace slag in a high ratio is used, metakaolin or attapulgite other than bentonite is used as a plasticizing material. It can be estimated that the use of does not reduce the seawater resistance.
【００４５】本願出願人が出願した特願平１１−２２６
７５４号には、メタカオリン、及びアタパルジャイトが
優れた可塑化材であることが詳細に示されている。表７
は前記特許願における各可塑化材と固化材の配合であ
る。表８は各可塑化材別に前記配合によって得られる可
塑性注入材の可塑性判定を行ったものである。表９は前
記配合によって得られる可塑性注入材の硬化体を、前記
耐海水試験と同様の人工海水に浸漬し、所定の材令での
供試体の状況を観察し、耐海水性判定を行ったものであ
る。Japanese Patent Application No. 11-226 filed by the applicant of the present application
No. 754 shows in detail that metakaolin and attapulgite are excellent plasticizers. Table 7
Is a blend of each plasticizing material and solidifying material in the above patent application. Table 8 shows the plasticity judgment of the plastic injection material obtained by the above-mentioned compounding for each plasticizing material. In Table 9, the hardened body of the plastic injection material obtained by the above composition was immersed in artificial seawater similar to the seawater resistance test, and the condition of the specimen under a predetermined age was observed to determine the seawater resistance. It is a thing.
【００４６】[0046]
【表７】 [Table 7]
【００４７】[0047]
【表８】 [Table 8]
【００４８】[0048]
【表９】 [Table 9]
【００４９】表８によれば、ベントナイト、メタカオリ
ン、及びアタパルジャイトは、Ａ液、Ｂ液の混合後ほぼ
同等のフロー値を示し、可塑性が同等の性能を備えてい
ることが分かる。According to Table 8, bentonite, metakaolin, and attapulgite show almost the same flow value after mixing the liquids A and B, and it is understood that the plasticity has the same performance.
【００５０】表９によれば、メタカオリンは、これを可
塑化材に使用すると、優れた耐海水性を示すことがわか
り、本願の高炉スラグを主成分とする固化材を組み合わ
せるこにより更に優れた耐海水性を発揮することができ
る。According to Table 9, it can be seen that metakaolin exhibits excellent seawater resistance when it is used as a plasticizer, and it is further excellent by combining the solidifying material containing blast furnace slag of the present invention as a main component. It can exhibit seawater resistance.
【００５１】[0051]
【発明の効果】本発明の請求項１に係る可塑性注入材に
よれば、セメント５〜２０重量％と高炉スラグ８０〜９
５重量％を含む水硬性粉体の懸濁液と、ベントナイトか
らなる可塑化材の懸濁液とを攪拌混合して形成されるか
ら、急激な凝集反応が発生して水硬性粉体の懸濁液を有
効に可塑化し、安価に化学的抵抗性を高め、高い耐海水
性を備えた可塑性注入材を得ることができる。According to the plastic injection material according to the first aspect of the present invention, 5 to 20% by weight of cement and 80 to 9 of blast furnace slag are used.
Since a suspension of hydraulic powder containing 5% by weight and a suspension of plasticizing material consisting of bentonite are mixed by stirring, a rapid agglomeration reaction occurs and the suspension of hydraulic powder is suspended. It is possible to effectively plasticize the suspension, increase the chemical resistance at low cost, and obtain a plastic injection material having high seawater resistance.
【００５２】 また、請求項２に係る可塑性注入材で
は、セメント５〜２０重量％と高炉スラグ８０〜９５重
量％を含む水硬性粉体の懸濁液と、メタカオリン及びア
タパルジャイトから選ばれる少なくとも１種からなる可
塑化材の懸濁液とを攪拌混合して形成されるから、急激
な凝集反応が発生して水硬性粉体の懸濁液を有効に可塑
化し、安価で化学的に安定した高い耐海水性を備えた可
塑性注入材を得ることができる。Further, in the plastic injection material according to claim 2, a suspension of hydraulic powder containing 5 to 20% by weight of cement and 80 to 95% by weight of blast furnace slag, and at least one selected from metakaolin and attapulgite. It is formed by stirring and mixing with a suspension of a plasticizing material consisting of, so that a rapid agglomeration reaction occurs and the suspension of hydraulic powder is effectively plasticized, and it is inexpensive and chemically stable. A plastic injection material having seawater resistance can be obtained.
フロントページの続き (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 (72)発明者 ▲吉▼原 正博 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 (56)参考文献 特開 平11−124574（ＪＰ，Ａ) 特開 昭54−117530（ＪＰ，Ａ) 特開 昭62−291316（ＪＰ，Ａ) 特開 平11−35361（ＪＰ，Ａ) 特開 平９−268287（ＪＰ，Ａ) 特開 平４−16535（ＪＰ，Ａ) 特開 平９−157646（ＪＰ，Ａ) 特開 平11−193382（ＪＰ，Ａ) 特開 平11−80726（ＪＰ，Ａ) 特開 平７−286173（ＪＰ，Ａ) 特開 平６−33057（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C09K 17/00 - 17/50 E02D 3/12 Front page continuation (72) Inventor Tsukasa Uchizawa 585 Tomicho, Funabashi, Chiba Prefecture Sumitomo Osaka Cement Co., Ltd. Cement Concrete Research Center Kanto Technical Center (72) Inventor ▲ Masahiro Yoshihara Funabashi, Chiba Prefecture 585, Machi Sumitomo Osaka Cement Co., Ltd. Cement and Concrete Research Institute, Kanto Technical Center (56) Reference JP-A-11-124574 (JP, A) JP-A-54-117530 (JP, A) JP-A-62 -291316 (JP, A) JP-A-11-35361 (JP, A) JP-A-9-268287 (JP, A) JP-A-4-16535 (JP, A) JP-A-9-157646 (JP, A) ) JP-A-11-193382 (JP, A) JP-A-11-80726 (JP, A) JP-A-7-286173 (JP, A) JP-A-6-33057 (JP, A) (58) Field (Int.Cl. 7 , DB name) C09K 17/00-17/50 E02D 3/12
Claims (2)
〜９５重量％を含む水硬性粉体の懸濁液と、ベントナイ
トからなる可塑化材の懸濁液とを攪拌混合して形成され
る可塑性注入材。1. Cement 5 to 20% by weight and blast furnace slag 80
~ 95 wt% hydraulic powder suspension and bentonite
A plastic injection material formed by stirring and mixing with a suspension of a plasticizing material composed of g.
〜９５重量％を含む水硬性粉体の懸濁液と、メタカオリ
ン及びアタパルジャイトから選ばれる少なくとも１種か
らなる可塑化材の懸濁液とを攪拌混合して形成される可
塑性注入材。2. Cement 5 to 20% by weight and blast furnace slag 80
-95% by weight of a hydraulic powder suspension and a plasticizer suspension of at least one selected from metakaolin and attapulgite are mixed by stirring to form a plastic injection. Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24123799A JP3502306B2 (en) | 1999-08-27 | 1999-08-27 | Plastic injection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24123799A JP3502306B2 (en) | 1999-08-27 | 1999-08-27 | Plastic injection material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001064648A JP2001064648A (en) | 2001-03-13 |
| JP3502306B2 true JP3502306B2 (en) | 2004-03-02 |
Family
ID=17071256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24123799A Expired - Lifetime JP3502306B2 (en) | 1999-08-27 | 1999-08-27 | Plastic injection material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3502306B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5862676B2 (en) * | 2011-11-04 | 2016-02-16 | Ｊｆｅスチール株式会社 | Repair method for filling material and ground |
| JP6399405B2 (en) * | 2015-03-24 | 2018-10-03 | 住友大阪セメント株式会社 | Plastic injection material |
| JP5916933B1 (en) * | 2015-10-16 | 2016-05-11 | 株式会社大阪防水建設社 | Two-component plastic grout material |
| JP7155736B2 (en) * | 2018-08-10 | 2022-10-19 | 株式会社大林組 | Plastic injection material |
| CN109650806B (en) * | 2018-12-06 | 2021-12-07 | 北京纽维逊建筑工程技术有限公司 | Cement-based grouting material for ocean engineering and preparation method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919595B2 (en) * | 1978-03-06 | 1984-05-07 | 株式会社シモダ技術研究所 | Low alkaline grout |
| JPS62291316A (en) * | 1986-06-12 | 1987-12-18 | Penta Ocean Constr Co Ltd | Grout to be injected into foundation of gravity-type off-shore structure |
| JPH0416535A (en) * | 1990-05-10 | 1992-01-21 | Ohbayashi Corp | Self-curing stabilizing liquid for kneading with sea water |
| JP2894529B2 (en) * | 1992-07-14 | 1999-05-24 | 宇部興産株式会社 | Injection material for ground improvement |
| JP2847337B2 (en) * | 1994-04-19 | 1999-01-20 | 強化土エンジニヤリング株式会社 | Ground injection liquid |
| JPH09157646A (en) * | 1995-12-12 | 1997-06-17 | Tachibana Material:Kk | Production of solidifying materail-bentonite injecting solution and powder for producing the same injecting solution |
| JPH09268287A (en) * | 1996-04-01 | 1997-10-14 | Tachibana Material:Kk | Grout mortar |
| JPH1135361A (en) * | 1997-07-15 | 1999-02-09 | Sumitomo Osaka Cement Co Ltd | Production of cement-air milk |
| JPH1180726A (en) * | 1997-09-10 | 1999-03-26 | Onoda Co | Grouting material |
| JP3514614B2 (en) * | 1997-10-07 | 2004-03-31 | 有限会社シモダ技術研究所 | Grout material and grouting method |
| JP3561136B2 (en) * | 1997-12-29 | 2004-09-02 | 有限会社シモダ技術研究所 | Grout injection method |
-
1999
- 1999-08-27 JP JP24123799A patent/JP3502306B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001064648A (en) | 2001-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Izaguirre et al. | Effect of water-repellent admixtures on the behaviour of aerial lime-based mortars | |
| JP3378501B2 (en) | Plastic injection material | |
| KR101222076B1 (en) | Concrete composition containing blast furnance air-cooled slag as aggregate | |
| JP3502306B2 (en) | Plastic injection material | |
| JP2000119074A (en) | Production of porous concrete and porous concrete | |
| JP4636970B2 (en) | Grout method | |
| JP4643857B2 (en) | Permeable concrete | |
| JP3550341B2 (en) | Plastic injection material | |
| JP4657567B2 (en) | Foaming agent for plastic light weight injection material, manufacturing method of plastic light weight injection material using the same, and filling method thereof | |
| JP2000282036A (en) | Plastic injection material | |
| JP2847337B2 (en) | Ground injection liquid | |
| JP3435122B2 (en) | Plastic injection material | |
| JPH09157646A (en) | Production of solidifying materail-bentonite injecting solution and powder for producing the same injecting solution | |
| JP4438301B2 (en) | Manufacturing method and filling method of plastic light weight injection material | |
| JP3222440B2 (en) | Plastic injection material | |
| JP2006274765A (en) | Plastic grout made by using ready-mixed concrete sludge and plastic grouting method | |
| JPH09118554A (en) | High fluidity concrete | |
| JP3674559B2 (en) | Injection method of plastic injection material | |
| JP2558577B2 (en) | How to improve frost resistance of concrete | |
| CN111116087A (en) | Concrete waste treatment process | |
| JP4636971B2 (en) | Grout method | |
| JP2000282037A (en) | Plastic injection material | |
| RU2008293C1 (en) | Slag-ash concrete composition | |
| JP2001206754A (en) | Highly flowable concrete | |
| JPH0747514B2 (en) | Lightweight cured product manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20031202 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20031204 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 3502306 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071212 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081212 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081212 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091212 Year of fee payment: 6 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091212 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101212 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101212 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111212 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111212 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121212 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121212 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131212 Year of fee payment: 10 |
|
| EXPY | Cancellation because of completion of term |