WO2005042432A1 - Composition a prise rapide pour ciment et procede permettant de produire cette composition - Google Patents

Composition a prise rapide pour ciment et procede permettant de produire cette composition Download PDF

Info

Publication number
WO2005042432A1
WO2005042432A1 PCT/JP2003/014020 JP0314020W WO2005042432A1 WO 2005042432 A1 WO2005042432 A1 WO 2005042432A1 JP 0314020 W JP0314020 W JP 0314020W WO 2005042432 A1 WO2005042432 A1 WO 2005042432A1
Authority
WO
WIPO (PCT)
Prior art keywords
calcium aluminate
cement
parts
surface area
specific surface
Prior art date
Application number
PCT/JP2003/014020
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Otsuka
Mitsuo Takahashi
Kenichiro Yamamoto
Kentaro Shirai
Original Assignee
Denki Kagaku Kogyo Kabushiki Kaisha
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 Denki Kagaku Kogyo Kabushiki Kaisha filed Critical Denki Kagaku Kogyo Kabushiki Kaisha
Priority to CNB200380110284XA priority Critical patent/CN100375729C/zh
Priority to PCT/JP2003/014020 priority patent/WO2005042432A1/fr
Priority to AU2003280696A priority patent/AU2003280696A1/en
Priority to JP2005510145A priority patent/JP4404369B2/ja
Publication of WO2005042432A1 publication Critical patent/WO2005042432A1/fr

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
    • C04B28/06—Aluminous cements

Definitions

  • the present invention relates to a rapidly hardening composition for cement, a method for producing the same, and a construction method using the rapidly hardening composition for cement.
  • a rapid-hardening composition for cement comprising calcium aluminate and an inorganic sulfate is mixed and kneaded with a kneading suspension containing cement as a kneading suspension kneaded with water to which a setting modifier has been added,
  • a kneading suspension containing cement as a kneading suspension kneaded with water to which a setting modifier has been added
  • ground improvement such as a method of measuring water stoppage by injecting it into a spring in the soil in civil engineering work (see Japanese Patent Application Laid-Open No. 57-01689).
  • the cement-based injectable material such as the rapid-hardening composition used is in the process of hardening due to its lack of fluidity. If the gel is not strong, it becomes sludge by applying force to the gel. However, for example, when there is running water, the injection effect cannot be exerted, so that the gel must be strong enough not to be broken. In the present invention, this is referred to as “gel rising strength”.
  • the rapidly hardening composition used is a calcium aluminate or an inorganic sulfate having a Blaine specific surface area value of at least 300 cm 2 Zg, and further, at least 500 cm 2 / g. It is widely used for soil improvement such as tunnels, roads, and sewage systems since the fluidity retention time can be freely adjusted by the amount of the setting modifier added, and the strength can be adjusted by the amount of cement.
  • the present invention relates to a kneading suspension in which a setting regulator is added to a rapid-hardening composition containing calcium aluminate and an inorganic sulfate and kneaded with a high water content, and a cement which is also kneaded with a high water content.
  • a setting regulator is added to a rapid-hardening composition containing calcium aluminate and an inorganic sulfate and kneaded with a high water content, and a cement which is also kneaded with a high water content.
  • a rapid-hardening composition for cement that has good gel rising strength and short-time strength, and that can be filled into voids or grounds where there is a lot of running water. The purpose is to do.
  • a rapidly hardening composition containing calcium aluminate and an inorganic sulfate and having a very high Blaine specific surface area value which has never existed before,
  • a rapidly hardened composition obtained by mixing and grinding calcium aluminate and inorganic sulfate to a specific fineness to obtain a specific extremely high fineness has a high water content. It has become possible to improve the rising strength and initial strength of the gel even in a kneaded suspension in the mixing ratio, and have obtained new knowledge that the above-mentioned object can be achieved. Based on this, the present invention has been completed.
  • the present invention has the following features.
  • a rapidly hardening composition for cement comprising calcium aluminate and an inorganic sulfate, and having a Blaine specific surface area value of 7500 cm 2 / g or more.
  • Blaine specific surface area of the 4000 ⁇ 6 0 0 0 cm 2 calcium Zg aluminate one Bok, Blaine specific surface area value of 300 0 ⁇ 6 0 0 0 cm 2 Zg an inorganic sulfate, Blaine specific surface area The method for producing a rapidly hardening composition for cement according to the above (1) or (2), wherein the powder is mixed and ground to 7500 cm 2 Zg or more.
  • kneaded suspension containing calcium aluminate and an inorganic sulfate, having a Blaine specific surface area value of at least 750 cm 2 / g, a setting regulator, and water. Rapid hardening kneading suspension.
  • a rapid-hardening composition containing calcium aluminate and inorganic sulfate and having a Blaine specific surface area of 7500 cm 2 Zg or more is added.
  • Calcium aluminate to be used in the present invention CaO and A1 2 0 3 as chemical components
  • The are those containing as an active ingredient, for example, 12CaO '7A1 2 0 3, HCaO - 7A1 2 0 3 • CaF 2, CaO' Al 2 0 3, and the molten product or baked such 3CaO ⁇ A1 2 0 3
  • the product can be used, and either crystalline or amorphous can be used.
  • calcium aluminate Natick Bok used in the present invention, it is possible to use calcium aluminosilicate, such as metallurgical slag containing a large amount of force Cie ⁇ beam aluminate fired product and Si0 2 containing an alkali metal.
  • 12CaO, 7A1 2 0 3 and calcium aluminate amorphous such llCaO ⁇ 7 A1 2 0 3 ⁇ CaF 2 is, in particular, rapid hardening is large, more preferred.
  • the fineness of calcium aluminate is from 4000 to 6000 cm 2 / g, preferably from 5000 to 6000 cm 2 Zg, in terms of Blaine specific surface area (hereinafter also referred to as Blaine value). Outside this range, rapid hardening effect cannot be expected so much, and the grinding efficiency may be reduced.
  • the inorganic sulfate used in the present invention is one that enhances the amount of ettringite monosulfate hydrate produced.
  • Typical examples thereof include gypsum, anhydrous gypsum, hemihydrate gypsum, and dihydrate gypsum. One or more of these can be used.
  • the use of anhydrous gypsum is most preferable from the viewpoint of improving strength development.
  • Fineness of inorganic sulfate is 30 0 0 ⁇ 600 0 cm 2 Zg in Blaine value, 5 00 0-6000 cm 2 / g is preferred. 30 00 cm is less than 2 Z g may segregation prone to rapid hydraulic composition obtained by mixing, in some cases rapid hardening effect can not be expected even beyond 6 0 0 0 cm 2 Zg.
  • the amount of the inorganic sulfate to be used is preferably 50 to 200 parts, more preferably 100 to 150 parts, per 100 parts of calcium aluminate. Outside this range, the short-term strength of the rapidly hardening composition may decrease.
  • the rapid-hardening composition of the present invention is obtained by mixing calcium aluminate having a fineness of 4000 to 6000 cm 2 / g with a Blaine value and inorganic sulfate having a fineness of 300 to 6000 cm 2 / g with a Blaine value. Pulverized to a Blaine value of 7500 cm 2 Zg or more is preferred. Without using calcium aluminate having a Blaine value of 4000 to 6000 cm 2 / g and inorganic sulfate having a Blaine value of 3000 to 6000 cm 2 Zg, the Blaine value is out of the range of the present invention described above.
  • the above-mentioned mixed grinding of calcium aluminate and inorganic sulfate is not particularly limited as long as the Blaine value of the rapidly hardened composition after the mixed grinding becomes 7500 cm 2 Zg or more.
  • a force of 400 to 600 cm 2 Zg in Blaine value is mixed with a calcium aluminate and an inorganic sulfate of 300 to 600 cm 2 / g in Blaine value, and the resulting mixture is co-ground.
  • calcium aluminate with a Blaine value of 4000 to 6000 cm 2 Zg and a Brain value of 3000 to 600 cm are used.
  • 2 Zg of inorganic sulfate can be put into a pulverizer without mixing beforehand, and pulverized while mixing in a pulverizer.
  • the pulverizer used for pulverizing calcium aluminate and Z or the inorganic sulfate is not particularly limited, but preferably a pulverizer such as a pole mill or a vibration mill is used. There are no particular restrictions on the crushing conditions in the crusher, and the crushing is performed under known conditions.
  • the kneading suspension A of the rapid-hardening composition and the kneading suspension B of cement are combined and mixed. I do.
  • the setting of the kneading suspension A of the rapid-hardening composition and the setting of the gel time when the kneading suspension A and the kneading suspension B of the cement are mixed and mixed are adjusted. It is preferred to use agents.
  • an organic acid for example, an organic carboxylic acid such as citric acid or tartaric acid or a salt thereof can be preferably used.
  • an alkali carbonate for example, an alkali metal carbonate such as potassium carbonate and small lithium can be preferably used.
  • the use ratio of the organic acid and the alkali carbonate is not particularly limited, but the organic acid is preferably 20 to 60 parts with respect to 100 parts of the alkali carbonate. There is a case where the rising strength and the initial strength expression are low. Among them, the proportion of the organic acid and the alkali carbonate is preferably 30 to 50 parts per 100 parts of the alkali carbonate.
  • the setting modifier is preferably used by adding it to the rapid-hardening composition.
  • the amount of the setting modifier used is preferably 0.5 to 4 parts based on 100 parts of the total amount of calcium aluminate and inorganic sulfate. Outside this range, the kneading time of the mixed suspension of the rapidly hardening composition may be shortened.
  • the amount of the setting modifier used is preferably 0.5 to 3 parts with respect to 100 parts of the total amount of calcium aluminate and inorganic sulfate.
  • One method is to add and knead a cement rapid-hardening composition containing a salt and an inorganic sulfate, and having a Blaine value of at least 7500 cm 2 Zg, preferably at least 800 cm 2 / g. It is good.
  • a grout mixer such as a single-tank grout mixer, a horizontal two-chamber grout mixer, a vertical two-tank grout mixer, or a mortar mixer is preferably used.
  • the construction method using the quick-hardening composition of the present invention is, for example, separately kneading and mixing with cement, and separately mixing the kneading suspension A of the hardening composition and the kneading suspension B of cement separately through the injection hose. It is preferable to inject into the ground by a 1.5-shot method, in which the water is fed into the ground and mixed and mixed immediately before injection into the ground.
  • the pumping amount of the kneading suspension A of the rapid-hardening composition and the kneading suspension B of the cement can be either equal injection or proportional injection, but the ratio of the quick-hardening composition to the cement is 10%. It is preferable to mix the rapid-hardening composition so as to be 10 to 40 parts with respect to 0 part. If the rapid hardening composition is less than 10 parts, the rise of the gel may be weak, and if it is more than 40 parts, the long-term elongation of strength is small, and it is not preferable from the viewpoint of economy.
  • the amount of water used in the present invention is preferably 250 parts or less, based on the total of 100 parts of the rapid-hardening composition and the cement. If the amount of water is more than 250 parts, the rise of the gel may be weak.
  • the gel has good gel rising strength and short-time strength, and has a void or running water. It is possible to fill a lot of ground.
  • Pulverized by a vibration mill blended in an equal amount of calcium aluminate and inorganic sulfate having the Blaine values shown in Table 1, mixed with a Nauta mixer, and re-ground the resulting mixture with a vibration mill to obtain rapid hardening.
  • a composition was prepared.
  • the kneaded suspension A and the kneaded suspension B thus prepared were mixed and stirred, and the gel time, gel rising strength, and compressive strength were measured. All tests were performed at a temperature of 20 and a humidity of 80 % In a constant temperature and humidity room. The results are shown in Table 1.
  • production method means “mixing” means only mixing, and “mixed grinding” means grinding after mixing. That is, in Experimental Examples 111 and 112, calcium aluminate and inorganic sulfate having the Blaine values shown in Table 1 were mixed without pulverization.
  • Inorganic sulfate II Type I anhydrous gypsum, by-product gypsum, commercially available.
  • Main component is a mixture of potassium carbonate and citric acid, a commercial product.
  • Gel rising strength Mix the kneading suspension A and the kneading suspension B using a Vicat needle device set with a standard needle for terminating the coagulation test shown in JIS R 5201. Filling the cement paste container with the needle penetration of 10 or less.
  • Compressive strength According to JIS R 5201, the mortar specimen is filled into a mold for molding and the initial strength is 1.5 hours.
  • CA calcium aluminate
  • gypsum inorganic sulfate
  • raw material fineness and rapid hardening composition fineness are Blaine values (cm 2 Zg).
  • Table 1 the rapid hardening composition of the present invention has a high fineness. It can be seen that even when the water content is mixed, the gel rising strength is large and the short-term strength is excellent.

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)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

L'invention concerne une composition à prise rapide pour ciment, qui présente une force de gel initiale et une force de gel à court terme satisfaisantes, et permet la pose de ciment dans des zones comprenant p. ex. un grand nombre de vides ou une quantité importante d'eau courante. L'invention concerne également un procédé permettant de produire cette composition, et un procédé d'application de cette dernière. Cette composition à prise rapide pour ciments contient de l'aluminate de calcium, et un sel d'acide sulfurique inorganique, la proportion de sel d'acide sulfurique étant de préférence comprise entre 50 et 200 parties en poids pour 100 parties en poids d'aluminate de calcium, et présente une surface spécifique Blaine de 7 500 cm2/g. On prépare de préférence cette composition à durcissement rapide en mélangeant un aluminate de calcium présentant une surface spécifique Blaine de 4 000 à 6 000 cm2/g avec un sel d'acide sulfurique inorganique présentant une surface spécifique Blaine de 3 000 à 6 000 cm2/g, et en pulvérisant ce mélange de manière que celui-ci présente une surface spécifique Blaine égale ou supérieure à 7 500 cm2/g.
PCT/JP2003/014020 2003-10-31 2003-10-31 Composition a prise rapide pour ciment et procede permettant de produire cette composition WO2005042432A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNB200380110284XA CN100375729C (zh) 2003-10-31 2003-10-31 水泥用快凝性组合物及其制造方法
PCT/JP2003/014020 WO2005042432A1 (fr) 2003-10-31 2003-10-31 Composition a prise rapide pour ciment et procede permettant de produire cette composition
AU2003280696A AU2003280696A1 (en) 2003-10-31 2003-10-31 Rapidly curable composition for cement and process for producing the same
JP2005510145A JP4404369B2 (ja) 2003-10-31 2003-10-31 セメント急硬性組成物の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/014020 WO2005042432A1 (fr) 2003-10-31 2003-10-31 Composition a prise rapide pour ciment et procede permettant de produire cette composition

Publications (1)

Publication Number Publication Date
WO2005042432A1 true WO2005042432A1 (fr) 2005-05-12

Family

ID=34532062

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/014020 WO2005042432A1 (fr) 2003-10-31 2003-10-31 Composition a prise rapide pour ciment et procede permettant de produire cette composition

Country Status (4)

Country Link
JP (1) JP4404369B2 (fr)
CN (1) CN100375729C (fr)
AU (1) AU2003280696A1 (fr)
WO (1) WO2005042432A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009114018A (ja) * 2007-11-06 2009-05-28 Taiheiyo Material Kk 急硬性セメント組成物用混和材、並びにこれを含有する急硬性セメント組成物、急硬性セメント混練物及び吹付材料
JP2009161377A (ja) * 2007-12-28 2009-07-23 Taiheiyo Materials Corp 高強度セメント組成物用混和材及びこれを用いた高強度セメント組成物
JP2015040272A (ja) * 2013-08-23 2015-03-02 電気化学工業株式会社 注入工法
JPWO2014112487A1 (ja) * 2013-01-15 2017-01-19 デンカ株式会社 高強度セメント混和材およびコンクリート製品の製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6206614B1 (ja) * 2016-03-31 2017-10-04 三菱マテリアル株式会社 速硬性混和材およびその製造方法
JP6183571B1 (ja) 2016-03-31 2017-08-23 三菱マテリアル株式会社 速硬性モルタル組成物
JP6183572B1 (ja) 2016-03-31 2017-08-23 三菱マテリアル株式会社 速硬性セメント組成物

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305043A (ja) * 1991-03-29 1992-10-28 Mitsubishi Materials Corp 温度緩衝型速硬性組成物
JPH05139804A (ja) * 1991-11-19 1993-06-08 Denki Kagaku Kogyo Kk セメント混和材及びその急結施工方法
JPH08239660A (ja) * 1995-02-28 1996-09-17 Nitto Chem Ind Co Ltd 土質安定用薬液およびそれを用いた地盤安定化工法
JP2002088364A (ja) * 2000-09-14 2002-03-27 Denki Kagaku Kogyo Kk 低６価クロム注入材
JP2003138259A (ja) * 2001-10-30 2003-05-14 Taiheiyo Material Kk 地盤改良用注入材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305043A (ja) * 1991-03-29 1992-10-28 Mitsubishi Materials Corp 温度緩衝型速硬性組成物
JPH05139804A (ja) * 1991-11-19 1993-06-08 Denki Kagaku Kogyo Kk セメント混和材及びその急結施工方法
JPH08239660A (ja) * 1995-02-28 1996-09-17 Nitto Chem Ind Co Ltd 土質安定用薬液およびそれを用いた地盤安定化工法
JP2002088364A (ja) * 2000-09-14 2002-03-27 Denki Kagaku Kogyo Kk 低６価クロム注入材
JP2003138259A (ja) * 2001-10-30 2003-05-14 Taiheiyo Material Kk 地盤改良用注入材

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009114018A (ja) * 2007-11-06 2009-05-28 Taiheiyo Material Kk 急硬性セメント組成物用混和材、並びにこれを含有する急硬性セメント組成物、急硬性セメント混練物及び吹付材料
JP2009161377A (ja) * 2007-12-28 2009-07-23 Taiheiyo Materials Corp 高強度セメント組成物用混和材及びこれを用いた高強度セメント組成物
JPWO2014112487A1 (ja) * 2013-01-15 2017-01-19 デンカ株式会社 高強度セメント混和材およびコンクリート製品の製造方法
JP2015040272A (ja) * 2013-08-23 2015-03-02 電気化学工業株式会社 注入工法

Also Published As

Publication number Publication date
AU2003280696A1 (en) 2005-05-19
CN1771210A (zh) 2006-05-10
JPWO2005042432A1 (ja) 2007-04-05
CN100375729C (zh) 2008-03-19
JP4404369B2 (ja) 2010-01-27

Similar Documents

Publication Publication Date Title
CN111433169B (zh) 粉末状速凝剂、速凝材料、速凝材料固化物和喷射施工方法
US20090188409A1 (en) Grouting material
JP6586417B2 (ja) 急結用混和材
JP2022133746A (ja) ２剤型急結剤、吹付け材料及び吹付け方法
JP6030438B2 (ja) 吹付け材料、およびそれを用いた吹付け工法
JP2020011891A (ja) 吹付用高強度コンクリート
WO2005042432A1 (fr) Composition a prise rapide pour ciment et procede permettant de produire cette composition
JP2019210167A (ja) 急結混和材
JP2017154948A (ja) 注入材
JP6300368B2 (ja) 吹付材用急結材
JP4535793B2 (ja) 地盤注入材
JP2016538225A (ja) 二次硬化促進剤を含む流動性コンクリート
KR20020020132A (ko) 숏크리트용 시멘트 광물계 급결제
JP4157546B2 (ja) 急硬性セメントコンクリート及び急結性セメントコンクリート
KR20230075404A (ko) 지반 개량 재료 슬러리, 지반 개량 재료 경화물 및 지반 개량 방법
KR100635902B1 (ko) 시멘트용 급경성 조성물, 및 그 제조 방법
JP3483903B2 (ja) 注入材
JP2006182568A (ja) 急硬材及び急硬性セメント組成物
JP2658388B2 (ja) 速硬性組成物
JPH11130500A (ja) 吹付材用急結補助材
JP2005162949A (ja) 注入材
JP5973826B2 (ja) 気泡モルタル
JP2003147759A (ja) 地盤改良方法
JP7282459B2 (ja) 充填材
JP2012240874A (ja) セメント組成物

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 1020047008557

Country of ref document: KR

AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 20038B0284X

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2005510145

Country of ref document: JP

122 Ep: pct application non-entry in european phase