WO2005123620A1 - 吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 - Google Patents
吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 Download PDFInfo
- Publication number
- WO2005123620A1 WO2005123620A1 PCT/JP2005/009909 JP2005009909W WO2005123620A1 WO 2005123620 A1 WO2005123620 A1 WO 2005123620A1 JP 2005009909 W JP2005009909 W JP 2005009909W WO 2005123620 A1 WO2005123620 A1 WO 2005123620A1
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- WIPO (PCT)
- Prior art keywords
- parts
- quick
- spraying
- aluminate
- setting
- Prior art date
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Classifications
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- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- 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
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
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- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
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- 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
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1025—Alkali-free or very low alkali-content materials
Definitions
- the present invention relates to a quick-setting agent for spraying, which is used when a quick-setting concrete is sprayed on a road, a railway, a tunnel such as a headrace, and an exposed ground surface on a slope.
- the present invention relates to a spraying material, a spraying concrete, and a spraying method using the same.
- the concrete in the present invention is a general term for cement paste, mortar, and concrete.
- Patent Document 1 discloses that the molar ratio of calcium aluminate and NaO / AlO is 1.00 to: L30.
- the use of specific sodium aluminate solves the problems of long-term storage and rapid setting (paragraph [0004]), and compared with the conventional case using sodium aluminate. It is said that it was possible to obtain concrete that did not show any deterioration in physical properties even after long-term storage. (Paragraph [0035]) Here, it is not intended to reduce the amount of sodium aluminate used.
- Patent Document 1 describes as follows. As calcium aluminate, if CaO is C and Al O is A, C A
- Calcium aluminate heat-treated products and one or more of these may be used in combination. Pulverized materials may be used, and as other components, calcium aluminum in which alkali metals such as sodium, potassium and lithium are partially dissolved may be used. Above all, in terms of reaction activity, amorphous calcium aluminate Preferred Amorphous calcium aluminate quenched by heat treatment corresponding to CA composition
- Patent Document 2 discloses that the molar ratio of calcium aluminate and Na 2 O / Al 2 O is 1.0.
- Patent Document 3 discloses that calcium aluminate, sulfate and Na 2 O / Al 2 O (molar ratio) are 1.0.
- Patent Document 3 describes as follows.
- the quick-setting property is reduced, and if it exceeds 80% by mass, the strength developability is reduced, and neither is preferred.
- the content of the sulfate is less than 10% by mass, the strength development property is reduced, and when the content is more than 60% by mass, the quick-setting property is reduced.
- the amount of sodium aluminate is less than 10% by mass, the quick-setting property becomes small, and when it exceeds 30% by mass, the strength developability decreases, and both are not preferable. It is preferable that the quick-setting property and the strength-generating property are exhibited more favorably. % (Paragraph 001 8).
- Patent Document 3 uses a large amount of sodium aluminate and is strongly alkaline, which impairs the long-term strength of concrete. There is a problem. Furthermore, in Patent Document 3, calcium aluminate can be either crystalline or amorphous. Considering the quick-setting property, the preferred one is CaO / Al mole
- the degree of vitrification is not clear, and the CaOZAl O (molar ratio) is greater than 1.8
- the vitrification rate is high, and it is specifically shown to use those.
- the quick-setting agent used in the above-mentioned spraying method has a problem that the long-term strength of concrete is impaired if a large amount of alkali is contained. Since the initial quick-setting performance is lower than that of the agent, the rebound rate at the time of spraying is high and the cost is high.
- a cement composition for spraying materials and a quick-setting auxiliary material containing calcium aluminate and gypsum have been developed (see Patent Documents 4 and 5).
- Patent Document 4 discloses that "even when using an alkali-free quick-setting material having a low quick-setting performance or using an alkali-containing quick-setting material, an excellent rapid
- the present invention provides a cement composition for a spraying material exhibiting a spraying effect and a spraying method thereof (paragraph [0007]).
- the invention of Patent Literature 5 discloses that ⁇ by mixing in advance with a cement composition prior to a quick setting material, an alkali component is not required, or This is to provide a quick-setting auxiliary material that exhibits an excellent quick-setting spraying effect with a significantly reduced alkali addition amount (paragraph [0007]). For this reason, both do not reduce the alkali content of the quick setting material (setting agent) itself.
- Patent Documents 4 and 5 further disclose, particularly among calcium aluminates, 3CaO'Al O, 1
- the molar ratio of O is 1 or more.
- Patent Document 4 paragraph [0016]
- Patent Document 5 paragraph [0019]
- Patent Document 1 JP-A-11-12008
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-130498
- Patent Document 3 JP 2003-12356
- Patent Document 4 JP-A-11-130499
- Patent Document 5 JP-A-11 130500
- the present invention solves the above-mentioned problems of the prior art, and is excellent in quick-setting property and strength-developing property while giving a high durability while reducing the amount of alkali used. It is another object of the present invention to provide a spraying method using the quick-setting agent.
- the ratio is 1.9 to 3.0, and the content of the alkali metal aluminate is Force Quick-setting agent for spraying, characterized in that it is 1.5 to 10 parts in 100 parts.
- the calcium aluminate has a vitrification ratio of 90% or more and a CaOZAlO mole ratio.
- the quick-setting agent for spraying according to the above (1) or (2) which is 8 to 1.2.
- the content of force in 100 parts of the quick-setting agent for spraying is 40 to 60 parts of calcium aluminate, 40 to 60 parts of gypsum, and 2 to 5 parts of an alkali metal aluminate.
- Quick-setting agent for spraying is 40 to 60 parts of calcium aluminate, 40 to 60 parts of gypsum, and 2 to 5 parts of an alkali metal aluminate.
- a spray material characterized by containing a cement having a content of 5 parts or more.
- a spray material comprising the spray quick setting agent according to any one of the above items 1 to 5 and blast furnace cement.
- a spraying method characterized by spraying a shotcrete containing the spraying material according to any one of the above items 6 to 8 on a tunnel or a slope.
- the use ratio of the quick-setting binder component is 40-60 parts of calcium aluminate, 40-60 gypsum, The spraying method according to the above (10) or (11), wherein the amount of the alkali metal aluminate is 1 to 15 parts.
- the quick-setting agent of the present invention comprises at least a vitrification ratio of 80% or more in the quick-setting agent and CaOZAlO
- Calcium aluminate is obtained by heat-treating a mixture of raw materials such as raw lucia and alumina, etc., in a kiln, melting in an electric furnace, etc., and pulverizing the mixture.
- the vitrification ratio is preferably at least 80%, more preferably at least 90%. If the vitrification ratio is less than 80%, excellent quick-setting properties may not be obtained.
- the molar ratio of CaO / AlO is 1.9 to 3.0, and 1.
- the main components of calcium aluminate are CaO and Al O, but others such as SiO, CaF, M
- Do limited calcium aluminate particle size and its distribution of sulfonates in particular, but is preferably at least 4000 cm 2 / g in terms either et Blaine value of quick-setting property, 6000 cm 2 / g or more and more preferably! /,.
- the content of calcium aluminate is not particularly limited, but is preferably 30 to 60 parts in 100 parts of the quick setting agent. If the amount is less than 30 parts, excellent quick-setting properties may not be obtained, and if it exceeds 60 parts, the ability to develop long-term strength may be impaired.
- the gypsum used in the present invention includes anhydrous gypsum, hemihydrate gypsum, gypsum and the like, and one or more of these can be used.
- Anhydrite includes hydrofluoric acid by-product anhydrite and natural anhydrite.
- the pH of the gypsum when immersed in water is preferably a weak alkali of pH 8 or less to an acidic one.
- the particle size of the gypsum, 3000 cm 2 / g or more is preferable instrument 5000 cm 2 / g or more in view force of strength development preferably in Blaine value.
- the amount of gypsum used is not particularly limited, but is preferably 30 to 60 parts in 100 parts of the quick setting agent, and particularly preferably 40 to 60 parts. If the amount is less than 30 parts, the long-term strength development may be impaired, and if it exceeds 60 parts, excellent quick-setting properties may not be obtained.
- the alkali metal aluminate used in the present invention is obtained by mixing an alumina raw material and an alkali metal raw material, and examples of the alkali metal include lithium, sodium, and potassium.
- R 0 (R is an alkali metal element) ZA1 O mole of alkali metal aluminate
- the 2 23 ratio is preferably 0.8 to 1.2 force S, more preferably 0.9 to 1.1. If it is less than 0.8, excellent quick-setting properties may not be obtained, and if it exceeds 1.2, long-term strength development may be impaired. There is.
- the particle size of the alkali metal aluminate is equivalent to that of calcium aluminate or gypsum, and preferably greater than that in view of improving quick setting.
- the amount of the alkali metal aluminate used is 1.5 to 10 parts, preferably 1.5 to 5 parts, more preferably 2 to 5 parts in 100 parts of the quick setting agent. . 1. If the amount is less than 5 parts, excellent quick-setting properties may not be obtained.
- the quick-setting agent of the present invention can contain an alkali metal carbonate, an alkali metal sulfate, quick lime, slaked lime, aluminum hydroxide, etc., in addition to these materials.
- the cement used in the present invention is not particularly limited, but the content of 3CaO'Al O (CA), which is one of the minerals constituting the cement, is preferably 5 parts or more per 100 parts of cement.
- CA 3CaO'Al O
- blast furnace cement containing 5 to 70 parts of blast furnace slag fine powder in 100 parts of cement is particularly preferable among blast furnace cements.
- Blast furnace slag fine powder is an aluminosilicate obtained by crushing or crushing and classifying molten slag, which is by-produced when producing pig iron and iron in a blast furnace, by quenching it with water or air. It is preferably a fine powder mainly composed of, specified in JIS A 6206.
- Blast furnace slag is CaO, SiO, Al
- the particle size of the rug is preferably 3000 cm 2 / g or more in terms of Blaine value from the viewpoint of strength development.
- the cement mixed with the blast furnace slag is not particularly limited.
- P H adjusting agents, dispersing agents, stabilizing agents, antifreezing agents, water-soluble accelerators, AE agents, water reducing agents, AE water reducing agents, retarders, thickeners, fibers, and Additives such as fine powder can be used in combination within a range that does not substantially impair the purpose of the present invention.
- the amount of the quick-setting agent used in the present invention is preferably 5 to 15 parts with respect to 100 parts of cement, and particularly preferably 6 to 12 parts. If the amount used is less than 5 parts, excellent quick-setting properties may not be obtained. If the amount exceeds 15 parts, the construction cost increases, which is not preferable.
- the quick-setting agent of the present invention if it is not necessary to add all of the constituents to cement or concrete, the constituents may be partially pressured and added. For example, plaster, calcium aluminate and iron It can be added in two parts with the alkali metal aluminate. In this case, it is more preferable to first add gypsum to cement or concrete and then add calcium aluminate and alkali metal aluminate, since the quick setting property is improved.
- gypsum is preferably 3 to 10 parts, more preferably 4 to 7 parts per 100 parts of cement, and the amount of SO in the cement is 2 to 10 parts, more preferably 3 to 10 parts.
- the amount of the cement spraying concrete according to the present invention, 330 ⁇ 500kgZm 3 force S preferred instrument water Z cement ratio is preferably 40 to 65%. Further, the slump-to-flow value of the shotcrete is not particularly limited.
- a commonly used wet spraying method and a dry spraying method can be used.
- the wet method include a method of mixing the quick-setting admixture of the present invention with a sprayed cement concrete
- examples of the dry method include a method of mixing a cement, sand, and gravel composition with water and the present invention.
- the method include a method of mixing a quick setting agent and a method of mixing water with cement, sand, and gravel, and the quick setting agent of the present invention.
- the quick-setting agent of the present invention As a method of mixing the quick-setting agent of the present invention into shotcrete, it is preferable to use a Y-tube or the like to mix immediately before spraying. Specifically, the quick-setting agent of the present invention is added to the concrete that has been pumped, or the quick-setting agent component of the present invention is mixed with gypsum and calcium aluminate and alkali metal aluminate as described above. There is a method of adding in two parts. In the present invention, the time from the addition of the quick setting agent until the sprayed concrete is sprayed is preferably within 10 seconds, more preferably within 2 seconds. The use of the quick-setting agent of the present invention, which is previously mixed with water to form a slurry, makes it possible to further reduce dust.
- the slurried quick-setting agent can be mixed into shotcrete using a Y-tube or mixed using a showering tube.
- the shotcrete which is the spraying material according to the present invention
- the frame skeleton is a combination of a wire netting, a reinforcing bar, a steel frame, and the like, which is fixed to a wall surface.
- the shot blasting concrete is sprayed on the frame skeleton to obtain a reinforcing frame containing a reinforcing bar.
- quick setting agent 10 parts of quick setting agent containing 55 parts of calcium aluminate, 40 parts of gypsum and 5 parts of alkali metal aluminate as shown in Table 1 were used for 100 parts of cement. Proctor penetration resistance was measured. The test environment temperature is 20 ° C.
- the raw materials obtained by mixing the raw materials of Lucia and alumina at a predetermined ratio and melting in an electric furnace at 1600 ° C, and those with various vitrification rates (%) by controlling the cooling rate, are synthesized.
- Gypsum natural anhydrous gypsum, Brain 5000cm 2 Zg
- Water reducing agent Polycarboxylic acid type water reducing agent
- Sand River sand from Himekawa, Niigata Prefecture, density 2.62g / cm 3
- the CaOZAlO molar ratio is 2.0 to 2.3 and the vitrification ratio is 80% or more.
- the molar ratio of CaO / AlO should be 1.9 or more. Force up to CaO / Al O molar ratio of 3.0
- the vitrification rate of calcium aluminate was 75 If it is less than 10%, the resistance to penetration of the proctor will be small and the quick setting property will be poor. Therefore, the vitrification rate should be 80% or more.
- Example 13 In 100 parts of the quick setting agent, use the calcium aluminate, gypsum, and alkali metal aluminate shown in Experiment No. 1-1-4 in the amounts (parts) shown in Table 1-3, respectively. The test was carried out in the same manner as in Example 1-1 except that the proctor penetration resistance and the 24-hour compressive strength were measured using 10 parts of 100 parts of cement and 10 parts of cement.
- Compressive strength Tested on a 4 X 4 X 16 cm square specimen.
- the quick setting agents in which the amounts of calcium aluminate, gypsum, and alkali metal aluminate are within the range of the present invention are shown in Experiment Nos. 1-3-3-2, 1-3-3, 1 As shown in-1 -4, 1-3-6, 1—3—11, even if the alkali metal aluminate is as small as 2 to 5 parts in 100 parts of quick setting agent, the resistance to penetrating the proctor is large and rapid. It can be seen that the material has excellent binding properties. As shown in Experiment Nos. 1-3-3, 1—3—8, the amount of alkali metal aluminate used was small. If it disappears, quick-setting properties will deteriorate, so the alkali metal aluminate content should be 1.5 parts or more (Experiment No. 1-3-10) in 100 parts of quick-setting agent.
- the proctor penetration resistance value is large and excellent in quick setting.
- the raw materials obtained by mixing the raw materials of Lucia and alumina at a predetermined ratio and melting in an electric furnace at 1600 ° C, and those with various vitrification rates by controlling the cooling rate, are synthesized.
- Gypsum natural anhydrous gypsum, Brain 5000cm 2 Zg
- Water reducing agent Polycarboxylic acid type water reducing agent
- Sand River sand from Himekawa, Niigata Prefecture, density 2.62g / cm 3
- Table 2-1 shows that the CaO / AlO molar ratio is 2.0 to 2.3 and the vitrification ratio is 80% or more.
- the molar ratio of CaO / Al 2 O shall be 1.9 or more. Calcium with CaOZAl O molar ratio up to 3.0
- the resistance to penetration of the proctor becomes small, so it is preferably up to 2.5.
- vitrification ratio of calcium aluminate is 75% or less, as shown in Experiment No. 2- 1-7, 2—1—10, the penetration resistance of the proctor decreases and the quick-setting property deteriorates. Conversion rate should be 80% or more.
- Compressive strength Tested on a 4 X 4 X 16 cm square specimen.
- the quick setting agents in which the amounts of calcium aluminate, gypsum, and alkali metal aluminate are within the range of the present invention are shown in Experiment Nos. 2-3-3, 2-3-3, 2 — As shown in 1-4, 2-3-6, 2—3—11, even if the alkali metal aluminate is as small as 2 to 5 parts in 100 parts of the quick setting agent, the penetration resistance of the proctor is large. You can see that it has excellent properties. As shown in Experiment No. 2-3-3-9, 2—3—8, the amount of alkali metal aluminate used was small. If the amount becomes too small, the quick-setting property deteriorates.
- the alkali metal aluminate should be 1.5 parts or more (Experiment No. 3-10) in 100 parts of the quick-setting agent. As shown in Experiment No. 2-3-3, 2—3—14, if the alkali metal aluminate increased from 10 parts (Experiment No. 2—3—12) in 100 parts of the quick setting agent, the proctor penetration resistance was reduced. Since the value becomes small and quick setting property is impaired, the content of alkali metal aluminate should be 10 parts or less.
- Cement (c) A mixture of commercially available ordinary Portland cement and blast furnace slag (Nippon Steel Blast Furnace, Brain 4000 cmVg) in a weight ratio of 55:45
- Cement (2) A mixture of commercially available ordinary Portland cement and blast furnace slag (Nippon Steel Blast Furnace, Brain 4000 cmVg) in a weight ratio of 30:70
- We As a quick setting component, use 55 parts of calcium aluminate, 5 parts of alkali metal aluminate and 40 parts of gypsum as shown in Table 3-1. Then, the mixture of calcium aluminate and alkali metal aluminate was used in the prepared mortar, and 6 parts with respect to 100 parts of cement were used to measure the penetration resistance of the proctor. Test environment The temperature is 20 ° C. The results are shown in Table 3-1.
- the raw materials obtained by mixing the raw materials of Lucia and alumina are mixed at a predetermined ratio and melted at 1600 ° C in an electric furnace, and synthesized with various vitrification rates by controlling the cooling rate.
- Gypsum natural anhydrous gypsum, Blaine 5000cm 2 / g
- Water reducing agent Polycarboxylic acid type water reducing agent
- Sand River sand from Himekawa, Niigata Prefecture, density 2.62g / cm 3
- Aluminate synthesized using primary reagents NaOH and Al (OH), Blaine 6000c
- Compressive strength Tested on a 4 X 4 X 16 cm square specimen.
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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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006514683A JP5129955B2 (ja) | 2004-06-15 | 2005-05-30 | 吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-177507 | 2004-06-15 | ||
JP2004177507 | 2004-06-15 |
Publications (1)
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WO2005123620A1 true WO2005123620A1 (ja) | 2005-12-29 |
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PCT/JP2005/009909 WO2005123620A1 (ja) | 2004-06-15 | 2005-05-30 | 吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 |
Country Status (4)
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JP (1) | JP5129955B2 (ja) |
CN (1) | CN1964931A (ja) |
TW (1) | TW200602284A (ja) |
WO (1) | WO2005123620A1 (ja) |
Cited By (9)
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JP2008274580A (ja) * | 2007-04-26 | 2008-11-13 | Mitsubishi Materials Corp | 舗装体用注入材及びこれを用いた舗装方法 |
JP2009114019A (ja) * | 2007-11-06 | 2009-05-28 | Taiheiyo Material Kk | 急結剤および吹付材料 |
JP2011001244A (ja) * | 2009-06-22 | 2011-01-06 | Denki Kagaku Kogyo Kk | 吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 |
JP2011219302A (ja) * | 2010-04-08 | 2011-11-04 | Denki Kagaku Kogyo Kk | 急結剤、吹付け材料及びそれを用いた吹付け工法 |
JP2012140293A (ja) * | 2010-12-28 | 2012-07-26 | Taiheiyo Materials Corp | 低温用急硬性セメント混和材及び低温用急硬性セメント組成物 |
CN102619538A (zh) * | 2012-04-24 | 2012-08-01 | 山东大学 | 一种湿式高压液力喷射装置 |
JP2014218405A (ja) * | 2013-05-09 | 2014-11-20 | 電気化学工業株式会社 | 吹付け材料及び吹付け工法 |
CN109942239A (zh) * | 2019-04-23 | 2019-06-28 | 山西弘新凯建材有限责任公司 | 特种喷射混凝土及其制备方法 |
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MY151884A (en) * | 2006-11-09 | 2014-07-14 | Denki Kagaku Kogyo Kk | Quick-setting admixture and spraying method using it |
CN105272030B (zh) * | 2015-10-14 | 2018-01-09 | 莱州奇明建材有限公司 | 一种耐久性好和无环境污染的双液注浆料 |
EP3702338A4 (en) | 2018-03-14 | 2021-01-06 | Denka Company Limited | POWDER FAST SETTING AGENT, QUICK SET MATERIAL, QUICK SET MATERIAL CURED PRODUCT, AND SPRAY PROCESS |
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CN112723786A (zh) * | 2020-12-28 | 2021-04-30 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | 一种可用于湿喷工艺的超快凝早强型无碱粉体速凝剂及其制备方法和应用 |
CN112576281B (zh) * | 2020-12-28 | 2024-04-09 | 芜湖弘马新材料有限公司 | 一种软岩渗水地段用的湿喷系统及其使用方法 |
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JPH1112008A (ja) * | 1997-06-27 | 1999-01-19 | Denki Kagaku Kogyo Kk | 急結材、吹付材料、及び吹付工法 |
JP2000233955A (ja) * | 1998-12-18 | 2000-08-29 | Taiheiyo Cement Corp | 高流動吹付けコンクリート用急結剤 |
Family Cites Families (4)
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JP3483105B2 (ja) * | 1997-10-27 | 2004-01-06 | 電気化学工業株式会社 | 急結材、吹付材料、及び吹付工法 |
JPH11130499A (ja) * | 1997-10-31 | 1999-05-18 | Taiheiyo Cement Corp | 吹付材用セメント組成物とその吹付施工方法 |
JPH11130500A (ja) * | 1997-10-31 | 1999-05-18 | Taiheiyo Cement Corp | 吹付材用急結補助材 |
JP2003012356A (ja) * | 2001-06-28 | 2003-01-15 | Taiheiyo Cement Corp | 吹付けコンクリ−ト用急結剤 |
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2005
- 2005-05-30 WO PCT/JP2005/009909 patent/WO2005123620A1/ja active Application Filing
- 2005-05-30 CN CNA2005800189900A patent/CN1964931A/zh active Pending
- 2005-05-30 JP JP2006514683A patent/JP5129955B2/ja not_active Expired - Fee Related
- 2005-06-09 TW TW094119117A patent/TW200602284A/zh not_active IP Right Cessation
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JPH1112008A (ja) * | 1997-06-27 | 1999-01-19 | Denki Kagaku Kogyo Kk | 急結材、吹付材料、及び吹付工法 |
JP2000233955A (ja) * | 1998-12-18 | 2000-08-29 | Taiheiyo Cement Corp | 高流動吹付けコンクリート用急結剤 |
Cited By (10)
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JP2008274580A (ja) * | 2007-04-26 | 2008-11-13 | Mitsubishi Materials Corp | 舗装体用注入材及びこれを用いた舗装方法 |
JP2009114019A (ja) * | 2007-11-06 | 2009-05-28 | Taiheiyo Material Kk | 急結剤および吹付材料 |
JP2011001244A (ja) * | 2009-06-22 | 2011-01-06 | Denki Kagaku Kogyo Kk | 吹付け用急結剤、吹付け材料、及びこれを用いた吹付け工法 |
JP2011219302A (ja) * | 2010-04-08 | 2011-11-04 | Denki Kagaku Kogyo Kk | 急結剤、吹付け材料及びそれを用いた吹付け工法 |
JP2012140293A (ja) * | 2010-12-28 | 2012-07-26 | Taiheiyo Materials Corp | 低温用急硬性セメント混和材及び低温用急硬性セメント組成物 |
CN102619538A (zh) * | 2012-04-24 | 2012-08-01 | 山东大学 | 一种湿式高压液力喷射装置 |
JP2014218405A (ja) * | 2013-05-09 | 2014-11-20 | 電気化学工業株式会社 | 吹付け材料及び吹付け工法 |
CN109942239A (zh) * | 2019-04-23 | 2019-06-28 | 山西弘新凯建材有限责任公司 | 特种喷射混凝土及其制备方法 |
CN109942239B (zh) * | 2019-04-23 | 2021-09-03 | 山西弘新凯建材有限责任公司 | 特种喷射混凝土及其制备方法 |
CN111892323A (zh) * | 2020-08-18 | 2020-11-06 | 衡阳市九州建材有限公司 | 一种有机混凝土速凝剂 |
Also Published As
Publication number | Publication date |
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TWI300406B (ja) | 2008-09-01 |
JPWO2005123620A1 (ja) | 2008-04-10 |
JP5129955B2 (ja) | 2013-01-30 |
CN1964931A (zh) | 2007-05-16 |
TW200602284A (en) | 2006-01-16 |
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