WO2019142775A1 - Composition de coulis à haute résistance et mortier de ciment à haute résistance l'utilisant - Google Patents

Composition de coulis à haute résistance et mortier de ciment à haute résistance l'utilisant Download PDF

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Publication number
WO2019142775A1
WO2019142775A1 PCT/JP2019/000896 JP2019000896W WO2019142775A1 WO 2019142775 A1 WO2019142775 A1 WO 2019142775A1 JP 2019000896 W JP2019000896 W JP 2019000896W WO 2019142775 A1 WO2019142775 A1 WO 2019142775A1
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Prior art keywords
cement
parts
mass
high strength
strength grout
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PCT/JP2019/000896
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English (en)
Japanese (ja)
Inventor
高木　聡史
拓海 前田
佐々木　崇
盛岡　実
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デンカ株式会社
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Priority to JP2019566462A priority Critical patent/JPWO2019142775A1/ja
Publication of WO2019142775A1 publication Critical patent/WO2019142775A1/fr

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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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/02—Elements
    • C04B22/04—Metals, e.g. aluminium used as blowing agent
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the present invention relates mainly to a high strength grout material composition used in the field of civil engineering and construction and a high strength grout mortar using the same.
  • cement mortar grout used in the field of civil engineering and construction, it is common to add a water reducing agent to cement. Furthermore, calcium sulfoaluminate based expansive agent or lime based expansive agent, or foaming agent such as aluminum powder is added to make it non-shrinkable material, and river sand, silica sand, etc. are compounded to these, and fine gaps of concrete structure It is widely used for filling in spaces under the reverse operation method, repair and reinforcement points of structures, under the base plate of mechanical devices and under track floor plates, etc.
  • grouts In general, cement mortars filled and constructed in civil engineering and construction are called grouts.
  • PC grout prepacked concrete grout, tunnel and shield backfill grout, precast grout, structure repair / reinforcement grout, rebar joint grout, bridge support grout, paving slab grout, track under track
  • precast grout For grout, PC grout, prepacked concrete grout, tunnel and shield backfill grout, precast grout, structure repair / reinforcement grout, rebar joint grout, bridge support grout, paving slab grout, track under track There are grout and grout below the containment vessel of nuclear power plant.
  • a hydraulic composition containing a binder containing coarse-grained cement, ⁇ -1,3 glucan, and a high-performance water reducing agent has been proposed for the purpose of preparing high-strength concrete (Patent Document 4).
  • This hydraulic composition applies coarse-grained cement in the range of 40 ⁇ m to 100 ⁇ m, but the grain size configuration of the cement is distorted, so close packing of particles is not made, and preparation of high strength concrete exceeding 100 N / mm 2 was a difficult task.
  • the present invention provides a high strength grout material composition capable of providing a high strength grout mortar capable of securing fluidity even when mixed at a low water / cement ratio, and exhibiting a compressive strength of, for example, 200 N / mm 2 or more.
  • the purpose is to
  • the present inventors conducted various studies in order to solve the above problems, and as a result, the cement obtained by classifying the cement and removing fine powder and the specific raw material combine to make the water / cement ratio extremely small. It has been found that high strength grout mortars can be obtained which can ensure the properties and, for example, develop a strength of 200 N / mm 2 or more in terms of compressive strength, and have completed the present invention.
  • cement, pozzolan fine powder, water soluble calcium salt, water reducing agent, foaming agent, defoaming agent, the content of particles of 5 ⁇ m or less (1) is 5% by mass or less and median diameter is 15 ⁇ m or more
  • a high strength grout material composition comprising an agent and a fine aggregate
  • a high-strength grout material composition having a content of particles of 5 ⁇ m to 40 ⁇ m of the cement of 75% by mass or more
  • the high strength grout material composition, wherein the pozzolanic fine powder is 20 to 30 parts by mass in 100 parts by mass in total of cement and pozzolanic fine powder
  • the high-strength grout material composition wherein the fine aggregate is a weight aggregate having a density of 3 g / cm 3 or more
  • the fine aggregate is a high strength grout material composition having 60 to 100 parts by mass with respect to a total of 100 parts by mass of cement and pozzolanic fine powder
  • a high strength grout mortar formed by mixing the high strength grout composition with water.
  • a method for producing a high strength grout mortar which comprises adding and kneading 15 to 18 parts by mass of water to 100 parts by mass of the high strength grout composition.
  • the high strength grout material composition of the present invention it is possible to ensure the fluidity even when mixed at a low water / cement ratio, and to provide a high strength grout mortar which exhibits a compressive strength of, for example, 200 N / mm 2 or more. Can.
  • cements of the present invention various Portland cements such as normal, early strong, ultra early strong, low heat and moderate heat, and various mixed cements obtained by mixing blast furnace slag, fly ash or silica with these cements, limestone powder or blast furnace slag
  • the filler cement which mixed the cold slag fine powder etc., and the environmental harmless cement (eco cement) manufactured by using municipal waste incineration ash and sewage sludge incineration ash as a raw material can be mentioned.
  • the content of particles of 5 ⁇ m or less is 5% by mass or less, and the median diameter is 15 ⁇ m or more. Furthermore, the content of particles of 5 ⁇ m to 40 ⁇ m is preferably 75% by mass or more. When the content of particles of 5 ⁇ m or less exceeds 5% by mass, the water / cement ratio can not be reduced and the viscosity at the time of mortar mixing increases and the load increases. When the content of the particles of 5 ⁇ m to 40 ⁇ m is less than 75% by mass, the initial strength expression deteriorates and bleeding easily occurs.
  • the content of particles of 5 ⁇ m or less, the median diameter, and the content of particles of 5 ⁇ m to 40 ⁇ m can be measured by the method described in the Examples.
  • C 3 S solid solution is 50 to 70 parts by weight
  • C 2 S solid solution is 10 to 30 parts by weight
  • C 3 A is composed of 5 to 20 parts by mass
  • C 4 AF is 2 to 20 parts by mass
  • gypsum is 0.1 to 5 parts by mass.
  • Blaine specific surface area is preferably in the range of 1500cm 2 / g ⁇ 3500cm 2 / g, and more preferably in the range of 1600cm 2 / g ⁇ 3000cm 2 / g.
  • Examples of the pozzolanic fine powder of the present invention include one or more selected from blast furnace slag fine powder, fly ash and silica fume.
  • the present invention for the purpose of securing good fluidity with a low water / cement ratio, use of zirconia-based silica fume containing SiO 2 content of 90% by mass or more and containing zirconium oxide and having a hydrogen ion concentration in the acidic region Is preferred.
  • the hydrogen ion concentration referred to herein is a value obtained by adding 20 g of silica fume into 100 g of pure water and stirring for 5 minutes with a magnetic stirrer, and then measuring the hydrogen ion concentration (PH) of the suspension with a pH meter.
  • silica fume is spherical ultrafine particles containing amorphous silicon dioxide as a main component, and is captured from exhaust gas generated when producing metallic silicon or ferrosilicon in an arc furnace. Collected.
  • the method of oxidizing metal silicon fine powder in a flame or the method of melting siliceous raw material fine powder in a high temperature flame by adjusting the heat treatment conditions of the raw material and setting the collection temperature to 550 ° C or more It can be manufactured.
  • zircon sand is melted in an electric furnace, there is a so-called zirconia-derived silica fume which is produced by collecting it in a cyclone or the like and classifying it.
  • zirconia-based silica fume is by-produced in the production of fused zirconia (zirconium oxide ZrO 2 ) used for refractory, polishing / abrasive, electronic material, ceramic pigment, etc., and zircon sand (ZrSiO 4) C.), for example, at a temperature of 2,200.degree.
  • the average particle size is about 1 ⁇ m, which is larger than silica fume having an average particle size of 0.1 to 0.3 ⁇ m, which is collected from an exhaust gas generated when producing metallic silicon or ferrosilicon in an arc furnace.
  • the use amount of pozzolanic fine powder is preferably 20 to 30 parts in 100 parts in total of cement and pozzolanic fine powder. If the amount is less than 20 parts, the strength may not be sufficiently developed or the load at the time of mixing may increase. On the other hand, if the amount exceeds 30 parts, the load at the time of mixing may increase and fluidity may be obtained with a predetermined amount of water. It may not be possible.
  • the water-soluble calcium salt of the present invention is used to obtain excellent fluidity.
  • water-soluble calcium salts include calcium acetate, calcium formate, and calcium nitrate, but in the present invention, the use of calcium acetate is preferred.
  • the amount of the water-soluble calcium salt to be used is preferably 0.2 to 1 part, and more preferably 0.4 to 0.6 part with respect to 100 parts in total of cement and pozzolanic fine powder. If the amount is less than 0.2 parts, the flowability may be insufficient, while if it exceeds 1 part, the flowability may decrease.
  • the water reducing agent according to the present invention is a generic term for agents which have a dispersing action and an air entraining action on cement to improve the fluidity and enhance the strength, and generally, a naphthalene sulfonic acid based water reducing agent, a melamine sulfonic acid based agent Water-reducing agents, lignin sulfonic acid-based water reducing agents, polycarboxylic acid-based water reducing agents, etc. may be mentioned.
  • the use of the water reducing agent may be either powder or liquid, but powder is preferred for use as a premix product.
  • the amount of use of the water reducing agent is preferably 0.2 to 1 part and more preferably 0.4 to 0.6 part with respect to 100 parts in total of cement and pozzolanic fine powder. If the amount is less than 0.2 parts, the flowability may be insufficient, while if it exceeds 1 part, bubbles may be generated to result in insufficient strength expression, or significant setting delay may occur.
  • the foaming agent of the present invention is to generate a gas when mixed with water in order to make the mortar non-shrinkable, and obtain an initial expansion.
  • the foaming agent is not particularly limited, and examples thereof include metal powder and peroxide.
  • aluminum powder is preferable in view of the addition amount and the effect.
  • the surface of the aluminum powder is easily oxidized, and the reactivity is reduced when covered with an oxide film, so it is more preferable to use an aluminum powder surface-treated with a vegetable oil, a mineral oil or stearic acid.
  • the amount of the foaming agent used is preferably 0.0003 to 0.002 parts, and more preferably 0.0005 to 0.0009 parts, with respect to a total of 100 parts of cement and pozzolanic fine powder. If the amount is less than 0.0003 parts, the foaming effect may be insufficient. If the amount is more than 0.002 parts, the foaming may be too large and the strength may be reduced.
  • the antifoaming agent of the present invention plays a role of reducing the amount of air taken in at the time of mortar mixing and improving the strength development. Although it does not specifically limit as an antifoamer, A polyoxyethylene alkyl ether type antifoamer, a pluronic type compound antifoamer, etc. are mentioned.
  • the amount of the antifoaming agent used is preferably 0.02 to 0.2 parts, and more preferably 0.04 to 0.15 parts, per 100 parts in total of cement and pozzolanic fine powder. If the amount is less than 0.02 part, the defoaming effect may be insufficient, and the strength may be adversely affected. On the other hand, if the amount exceeds 0.2 part, the effect may plateau and the economic burden may increase.
  • the weight aggregate is not particularly limited as long as it has fluidity retention performance, strength development and the like, and the density is 3 g / cm 3 or more and crushed sand.
  • crushed sand such as magnetic iron ore, hematite ore, conglomerate, ferrochrome slag, ferronickel slag, copper slag, and electric furnace oxidation slag can be mentioned. In the present invention, one or more of these may be used in combination.
  • the use of dry sand is preferred when used as a premix product.
  • the amount of fine aggregate to be used is preferably 60 to 100 parts, more preferably 70 to 90 parts, per 100 parts in total of cement and pozzolanic fine powder. If the amount is less than 60 parts, the self-shrinkage and drying shrinkage of the mortar may be large, and cracking may easily occur. On the other hand, if the amount exceeds 100 parts, the fluidity and strength development may decrease.
  • the high strength grout mortar of the present invention is formed by mixing the high strength grout composition of the present invention described above with water.
  • the high strength grout mortar is produced, for example, by adding and kneading 15 to 18 parts by mass of water with respect to 100 parts by mass of the high strength grout material composition of the present invention.
  • the amount of the mixed water of the present invention is preferably 15 to 18 parts per 100 parts of the high strength grout composition. Outside this range, the fluidity may be greatly reduced or the strength may be reduced.
  • the method of mixing the high strength grout material composition and water is not particularly limited, but a hand mixer having a rotational speed of 900 rpm or more, a normal high speed grout mixer, or a two-axis forced mixer It is preferred to use.
  • a predetermined amount of water is put in advance into a container such as a pail and the mixer, and then the high strength grout material composition is added while rotating the mixer and mixed for 3 minutes or more Is preferred.
  • a forced mixer for example, it is preferable to add a high strength grout material composition to a mixer in advance, add predetermined water while rotating the mixer, and mix for at least 4 minutes or more. If the mixing time is less than the predetermined time, the flowability of an appropriate high strength grout mortar may not be obtained due to insufficient mixing.
  • the high-strength grout mortar mixed and mixed is usually pressure-fed to a construction site by a manual type injection gun, a diaphragm type hand pump, or a squeeze type mortar pump, and is filled and constructed.
  • Example 1 Cement (A) to (H) were used to make a high strength gout material composition.
  • the composition is 20 parts of pozzolanic fine powder (i) in 100 parts of cement and pozzolanic fine powder, and 0.5 parts of water-soluble calcium salt relative to 100 parts of cement and pozzolanic fine powder. 0.5 parts, 0.0007 parts of a foaming agent, 0.09 parts of an antifoaming agent, and 80 parts of a fine aggregate (I).
  • To 100 parts of this high strength grout composition 16 parts was added and mixed to prepare a high strength gout mortar, and the flowability and the compressive strength were measured.
  • a hand mixer was used for mixing and kneading was performed for 5 minutes in a laboratory at a temperature of 20 ° C. and a humidity of 60%. The results are shown in Table 1.
  • Water soluble calcium salt Calcium acetate water reducing agent: Polycarboxylic acid based water reducing agent, commercially available product (manufactured by BASF, trade name: Melflux AP101F) Blowing agent: Aluminum powder, commercial item (100 mesh pass item) Antifoaming agent: polyoxyethylene alkyl ether antifoaming agent, commercially available product (manufactured by ADEKA, trade name: Adenanate B115F) Fine aggregate (I): Ferro nickel slag, density 3.15 g / cm 3 , 1.5 mm inferior goods, commercial product water: tap water
  • Test method Particle size distribution measurement: Using a laser diffractometer (HELOS & RODOS manufactured by Sympatec), the sample was dry-dispersed to measure the particle size distribution. Thereby, the content of particles of 5 ⁇ m or less, the median diameter, and the content of particles of 5 ⁇ m to 40 ⁇ m were determined. Here, the median diameter is a particle diameter at which the cumulative frequency is 50%.
  • Fluidity The static flow was measured in accordance with the Japanese Standards Association JIS R 5201 "Physical test method for cement”.
  • Compressive strength Measured according to the Japan Society of Civil Engineers JSCE-G 505 "Test method for compressive strength of mortar or cement paste using cylindrical specimen”. After demolding at 1 day of aging, curing was carried out at 20 ° C. in water, and measured at 28 days of aging and 56 days of aging.
  • Example 2 The same procedure as in Experimental Example 1 was carried out except using the cement (F) and changing the type and amount of the pozzolanic fine powder with respect to a total of 100 parts of the cement and the pozzolanic fine powder. The results are shown in Table 2.
  • Pozzolanic fine powder (b): Blast furnace slag, density 2.92 g / cm 3 , specific surface area 11,090 cm 2 / g, commercial product pozzolanic fine powder (c): fly ash, density 2.27 g / cm 3 , specific surface area 3 , 526 cm 2 / g, commercial item
  • Example 3 The same procedure as in Experimental Example 1 was carried out except using the cement (F) and changing the addition amount of the water-soluble calcium salt with respect to a total of 100 parts of the cement and the pozzolanic fine powder. The results are shown in Table 3.
  • Example 4 The same procedure as in Experimental Example 1 was performed except that the amount of water reducing agent added was changed using cement (F) with respect to a total of 100 parts of cement and pozzolanic fine powder. The results are shown in Table 4.
  • Example 5 The same procedure as in Experimental Example 1 was carried out except that the amount of expansion agent added was changed using cement (F) with respect to a total of 100 parts of cement and pozzolanic fine powder, and the expansion and contraction ratio was measured. The results are shown in Table 5.
  • Example 6 The same procedure as in Experimental Example 1 was carried out except using the cement (F) and changing the addition amount of the antifoaming agent with respect to a total of 100 parts of the cement and the pozzolanic fine powder. The results are shown in Table 6.
  • Example 7 The same procedure as in Experimental Example 1 was carried out except using cement (F) and changing the amount and type of fine aggregate with respect to a total of 100 parts of cement and pozzolanic fine powder, and measuring the change in length. The results are shown in Table 7.
  • Example 8 With respect to 100 parts of the high strength grout material composition of Experimental Example 1-6, it carried out similarly to Experimental example 1 except having changed the addition amount of water and having produced the high strength grout mortar. The results are shown in Table 8.
  • the high strength grout composition of the present invention By using the high strength grout composition of the present invention, fluidity can be ensured even when mixed at a low water / cement ratio, and a high strength grout mortar exhibiting a compressive strength of 200 N / mm 2 or more can be obtained.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

La présente invention concerne une composition de coulis à haute résistance qui contient : un ciment qui contient des particules de 5 µm ou moins en une quantité de 5 % en masse ou moins, tout en ayant un diamètre médian de 15 µm ou plus; une poudre fine de pouzzolane; un sel de calcium soluble dans l'eau; un agent de réduction d'eau; un agent moussant; un agent antimousse; et des agrégats fins.
PCT/JP2019/000896 2018-01-16 2019-01-15 Composition de coulis à haute résistance et mortier de ciment à haute résistance l'utilisant WO2019142775A1 (fr)

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JP2019566462A JPWO2019142775A1 (ja) 2018-01-16 2019-01-15 高強度グラウト材組成物及びそれを用いた高強度グラウトモルタル

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113480284A (zh) * 2021-06-09 2021-10-08 山东大学 一种水泥基污染物阻断注浆材料与制备方法
WO2022137320A1 (fr) * 2020-12-22 2022-06-30 中国電力株式会社 Composition de morter et produit durci
CN115057652A (zh) * 2022-06-15 2022-09-16 河北筑盛科技股份有限公司 火山灰基复合协同调节剂及火山灰基水泥浆体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6428254A (en) * 1987-07-22 1989-01-30 Sumitomo Cement Co Portland cement having adjusted particle size
JPH06206745A (ja) * 1992-11-13 1994-07-26 Sumitomo Cement Co Ltd 改良ポルトランドセメントおよびａｌｃの製造方法
JP2010150072A (ja) * 2008-12-25 2010-07-08 Denki Kagaku Kogyo Kk 鉄筋継手用充填材組成物、それを用いた鉄筋継手用充填材、及びその鉄筋継手充填施工方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9890082B2 (en) * 2012-04-27 2018-02-13 United States Gypsum Company Dimensionally stable geopolymer composition and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6428254A (en) * 1987-07-22 1989-01-30 Sumitomo Cement Co Portland cement having adjusted particle size
JPH06206745A (ja) * 1992-11-13 1994-07-26 Sumitomo Cement Co Ltd 改良ポルトランドセメントおよびａｌｃの製造方法
JP2010150072A (ja) * 2008-12-25 2010-07-08 Denki Kagaku Kogyo Kk 鉄筋継手用充填材組成物、それを用いた鉄筋継手用充填材、及びその鉄筋継手充填施工方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022137320A1 (fr) * 2020-12-22 2022-06-30 中国電力株式会社 Composition de morter et produit durci
JP7107514B1 (ja) * 2020-12-22 2022-07-27 中国電力株式会社 モルタル組成物及び硬化体
CN113480284A (zh) * 2021-06-09 2021-10-08 山东大学 一种水泥基污染物阻断注浆材料与制备方法
CN113480284B (zh) * 2021-06-09 2022-07-01 山东大学 一种水泥基污染物阻断注浆材料与制备方法
CN115057652A (zh) * 2022-06-15 2022-09-16 河北筑盛科技股份有限公司 火山灰基复合协同调节剂及火山灰基水泥浆体
CN115057652B (zh) * 2022-06-15 2023-06-20 河北筑盛科技股份有限公司 火山灰基复合协同调节剂及火山灰基水泥浆体

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