CN101880152A - Reinforcing and repairing grouting material for construction in minus-temperature environment - Google Patents

Reinforcing and repairing grouting material for construction in minus-temperature environment Download PDF

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Publication number
CN101880152A
CN101880152A CN2010101915813A CN201010191581A CN101880152A CN 101880152 A CN101880152 A CN 101880152A CN 2010101915813 A CN2010101915813 A CN 2010101915813A CN 201010191581 A CN201010191581 A CN 201010191581A CN 101880152 A CN101880152 A CN 101880152A
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CN
China
Prior art keywords
reinforcing
construction
minus
temperature environment
grouting
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.)
Pending
Application number
CN2010101915813A
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Chinese (zh)
Inventor
陈兵
林奇
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Filing date
Publication date
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Priority to CN2010101915813A priority Critical patent/CN101880152A/en
Publication of CN101880152A publication Critical patent/CN101880152A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00Lime, magnesia or dolomite
    • C04B2/10Preheating, burning calcining or cooling
    • C04B2/102Preheating, burning calcining or cooling of magnesia, e.g. dead burning
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/10Lime cements or magnesium oxide cements
    • C04B28/105Magnesium oxide or magnesium carbonate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0004Compounds chosen for the nature of their cations
    • C04B2103/001Alkaline earth metal or Mg-compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/70Grouts, e.g. injection mixtures for cables for prestressed concrete
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention provides a reinforcing and repairing grouting material for construction in a minus-temperature environment in the technical field of construction materials, which comprises the following components in percentage by weight: 7 to 13 percent of magnesium oxide, 25 to 35 percent of potassium dihydrogen phosphate, 5 to 45 percent of quartz sand, 15 to 25 percent of fly ash, 1 to 2 percent of boric acid or borax or citric acid, and 1 to 2 percent of calcium lignosulfonate or sodium lignosulphonate. Compared with the prior art, the material has the characteristics of constructing and condensing to become hard to generate strength at the temperature of 18 DEG C below zero, along with high mobility, high early strength and the like.

Description

The reinforcing and repairing grouting material that is used for construction in minus-temperature environment
Technical field
What the present invention relates to is a kind of grouting material of building material technical field, specifically is a kind of reinforcing and repairing grouting material that is used for construction in minus-temperature environment.
Background technology
Grouting material the earliest in World War II owing to military necessity occurs, developed country is applied to industrial sector to the fifties.At present, generally high-strength grout is applied in the world in mechanical means installation and the reinforcing and repairing engineering.At the beginning of the seventies, in order to satisfy the needs that some imported large-scale equipment are installed, China has begun the development work of grouting material, and achieves success very soon.In recent years, in the use of grouting material, be used for back-grouting material that mechanical means installs and developed into and be used for consolidation of concrete structure repairing aspect from traditional.And diversity also appearred in the kind of grouting material, and performance also is enhanced more in early days.
Find through retrieval prior art, Chinese patent literature CN1887781A, put down in writing a kind of no-shrinkage grouting filler with adjustable performance, this technology is a gelling material with ordinary Portland cement, flyash or silica flour, be equipped with quartz sand, water reducer, swelling agent, water retaining, anti-early stage settling preventing agent and anti-early-age shrinkage agent and constitute, have good fluidity, not sedimentation, not bleeding and plasticity microdilatancy characteristic.
Further retrieval finds that Chinese patent literature CN1271696 has put down in writing a kind of high-strength super-fluidized expanding cement grout, it is main gelling material that this technology adopts silicate cement, SiO 2 superfine powder, be equipped with the quartz sand of certain particle diameter and a small amount of lime swelling agent, composite water-reducing agent is formulated, is mainly used in the back-grouting that industrial equipments is installed, the reinforcing of building structure and repairing, be characterized in the rate of expansion height, the superflow degree, early strengthening and high strengthening, without vibration, easy construction, of many uses.From these patented products, mostly with silicate cement or high-alumina cement as gelling material, be aided with various additives to improve mobile and expansion characteristics powerful feature early.During these product preparation, required variety of raw material is various, and the volume of its each additive is remarkable to grouting material performance impact, in addition, these grouting material of what is more important can't be constructed under the subzero temperature environment, and this has had a strong impact on the possibility of constructing winter in China the Northeast.The invention provides the grouting material of a kind of non-silicate cement as gelling material, starting material are less, and can finish the grouting material of construction under the 18 degrees below zero environment.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of reinforcing and repairing grouting material that is used for construction in minus-temperature environment is provided, compares with common grouting material, mobile big except having, outside the characteristics such as early strength height, can also under subzero 18 ℃ of conditions, construct and setting and harden generation intensity.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of reinforcing and repairing grouting material that is used for construction in minus-temperature environment, its component and weight percent thereof are: magnesium oxide 7-13%, potassium primary phosphate 25-35%, quartz sand 15-45%, flyash 15-25%, boric acid or borax or citric acid 1-2% and wooden calcium sulfonate or the 1-2% of wooden sodium sulfonate.
Described magnesium oxide is through 1500 ℃ of burnt reburned magnesia sand, and its magnesian mass percentage content is greater than 90%, and its degree of separating constant is 5-25, and grain diameter is the 8-10 micron.
Described potassium primary phosphate is a technical grade, and mass percent purity is more than 98%.
Described flyash is II level flyash.
Described quartz sand, described quartz sand adopt and meet the common building sand that JGJ52-92 " regular concrete sand quality standard and test method " requires, and the fineness modulus of this quartz sand is 2.7~2.9, and concrete particle size and shared mass percent are as follows:
2.500~5.000mm 0~6%;
1.250~2.500mm 20~35%;
0.315~1.250mm 55~65%;
<0.315mm 10~15%。
Described boric acid or borax or citric acid are specially: mass percent purity greater than 90% and water content less than 0.5% powder.
Described wooden calcium sulfonate or wooden sodium sulfonate are specially: mass percent purity is greater than 95%, and water content is less than 0.5 powder.
The present invention relates to the above-mentioned preparation method who is used for the reinforcing and repairing grouting material of construction in minus-temperature environment, by taking by weighing heavy burned magnesium oxide, potassium primary phosphate, boric acid or borax or citric acid and quartz sand, in stirrer, stir then, form product, pack.
When used the working-yard, according to base material and performance requriements, the mixing water that adds material weight 20~25% fully stirred 2-3 minute in stirrer, constructed then.Can be used for structure and reinforce, repair, also can be used for the installation of large-scale high-precision equipment, rush repair engineering, Tunnel Engineering, anchoring engineering etc.
The grouting material that the present invention is different from the past utilizes magnesium oxide and potassium primary phosphate generation chemical reaction to produce intensity, has following characteristics and function:
1. fast solidifying, the early strength height, 1h intensity can reach more than the 10MPa;
2. produce the volume microdilatancy in the setting and harden process;
3. can be under the subzero temperature environment setting and harden and produce intensity;
4. large fluidity, sclerosis bright and clean no bubble in rear surface and defective;
5. weather resistance height: ageing-resistant, reinforcing bar there is not corrosion.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Each component and weight percent thereof are in the present embodiment: magnesium oxide 7%, potassium primary phosphate 35%, quartz sand 30%, flyash 25%, boric acid 1% and wooden calcium sulfonate 2%.
Wherein: quartz sand adopts commercially available building sand, and it meets following grating:
2.500~5.000mm 5% weight ratio
1.250~2.500mm 25% weight ratio
0.315~1.250mm 55% weight ratio
<0.315mm 15% weight ratio.
Said components is by the aforementioned prepared material that must be in the milk.Envrionment temperature for negative 18 degree under, add 0.20 tap water of powder quality, stirred 3 minutes, obtain flowable slip.Its degree of mobilization reaches 280mm, and testing its 1d intensity is 15MPa, and 3d intensity is 35MPa, and 28d intensity is 60MPa, and the vertical rate of expansion of 1d is 0.45%.
Embodiment 2
Each component and weight percent thereof are in the present embodiment: magnesium oxide 13%, potassium primary phosphate 25%, quartz sand 45%, flyash 15%, citric acid 1% and wooden calcium sulfonate 1%.
Wherein: quartz sand adopts commercially available building sand, and it meets following grating:
2.500~5.000mm 0% weight ratio
1.250~2.500mm 35% weight ratio
0.315~1.250mm 55% weight ratio
<0.315mm 10% weight ratio.
Said components is by the aforementioned prepared material that must be in the milk.Envrionment temperature for negative 10 degree under, add 0.24 tap water of powder quality, stirred 3 minutes, obtain flowable slip.Its degree of mobilization reaches 290mm, and testing its 1d intensity is 20MPa, and 3d intensity is 40MPa, and 28d intensity is 65MPa, and the vertical rate of expansion of 1d is 0.50%.
Embodiment 3
Each component and weight percent thereof are in the present embodiment: magnesium oxide 10%, potassium primary phosphate 30%, quartz sand 37%, flyash 20%, borax 1.5% and wooden sodium sulfonate 1.5%.
Wherein: quartz sand adopts commercially available building sand, and it meets following grating:
2.500~5.000mm 2% weight ratio
1.250~2.500mm 20% weight ratio
0.315~1.250mm 65% weight ratio
<0.315mm 13% weight ratio.
Said components is by the aforementioned prepared material that must be in the milk.Envrionment temperature for negative 5 degree under, add 0.25 tap water of powder quality, stirred 3 minutes, obtain flowable slip.Its degree of mobilization reaches 300mm, and testing its 1d intensity is 23MPa, and 3d intensity is 40MPa, and 28d intensity is 65MPa, and the vertical rate of expansion of 1d is 0.51%.
Embodiment 4
Each component and weight percent thereof are in the present embodiment: magnesium oxide 13%, potassium primary phosphate 35%, quartz sand 24%, flyash 25%, boric acid 2% and wooden calcium sulfonate or wooden sodium sulfonate 1%.
Wherein: quartz sand adopts commercially available building sand, and it meets following grating:
2.500~5.000mm 6% weight ratio
1.250~2.500mm 30% weight ratio
0.315~1.250mm 50% weight ratio
<0.315mm14% weight ratio.
Said components is by the aforementioned prepared material that must be in the milk.In envrionment temperature is under 0 degree, adds 0.25 tap water of powder quality, stirs 3 minutes, obtains flowable slip.Its degree of mobilization reaches 300mm, and testing its 1d intensity is 25MPa, and 3d intensity is 45MPa, and 28d intensity is 65MPa, and the vertical rate of expansion of 1d is 0.55%.

Claims (8)

1. reinforcing and repairing grouting material that is used for construction in minus-temperature environment, it is characterized in that its component and weight percent thereof are: magnesium oxide 7-13%, potassium primary phosphate 25-35%, quartz sand 15-45%, flyash 15-25%, boric acid or borax or citric acid 1-2% and wooden calcium sulfonate or the 1-2% of wooden sodium sulfonate.
2. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1, it is characterized in that described magnesium oxide is that its magnesian mass percentage content is greater than 90% through 1500 ℃ of burnt reburned magnesia sand, its degree of separating constant is 5-25, and grain diameter is the 8-10 micron.
3. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1 is characterized in that, described potassium primary phosphate is a technical grade, and mass percent purity is more than 98%.
4. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1 is characterized in that, described flyash is II level flyash.
5. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1, it is characterized in that, described quartz sand adopts and meets the common building sand that JGJ52-92 " regular concrete sand quality standard and test method " requires, and the fineness modulus of this quartz sand is 2.7~2.9.
6. be used for the reinforcing and repairing grouting material of construction in minus-temperature environment according to claim 1 or 5, it is characterized in that, the particle size of described quartz sand and shared mass percent are as follows:
2.500~5.000mm 0~6%;
1.250~2.500mm 20~35%;
0.315~1.250mm 55~65%;
<0.315mm 10~15%。
7. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1 is characterized in that, described boric acid or borax or citric acid are specially: mass percent purity greater than 90% and water content less than 0.5% powder.
8. the reinforcing and repairing grouting material that is used for construction in minus-temperature environment according to claim 1 is characterized in that, described wooden calcium sulfonate or wooden sodium sulfonate are specially: mass percent purity is greater than 95%, and water content is less than 0.5 powder.
CN2010101915813A 2010-06-04 2010-06-04 Reinforcing and repairing grouting material for construction in minus-temperature environment Pending CN101880152A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241504A (en) * 2011-06-02 2011-11-16 河海大学 Phosphate aerated concrete bonding agent
CN102617059A (en) * 2012-03-23 2012-08-01 深圳大学 Phosphate base cementing agent
CN102643073A (en) * 2012-05-02 2012-08-22 河海大学 Magnesium phosphate cement grout material
CN103145397A (en) * 2013-02-26 2013-06-12 上海建为建筑修缮工程有限公司 Rapid repair material based on building broken stones and preparation method thereof
CN103289703A (en) * 2013-07-05 2013-09-11 浙江工业大学 Early-strength soil solidifying agent and manufacturing method and application for same
CN103508690A (en) * 2013-09-17 2014-01-15 安徽循环经济技术工程院 Novel inorganic binding material capable of bonding various substances and preparation method of novel inorganic binding material
CN103922695A (en) * 2014-03-27 2014-07-16 上海交通大学 Grouting mortar used for restoring high-speed rail ballastless track mortar layer
CN104529378A (en) * 2014-12-08 2015-04-22 中国科学院合肥物质科学研究院 Novel water-resistant quick-hardened inorganic cementing material and preparation method thereof
CN104556918A (en) * 2014-12-29 2015-04-29 武汉市市政建设集团有限公司 Anti-water-dispersion, high-bonding, early-strength and micro-expansion grouting material
CN105174879A (en) * 2015-07-29 2015-12-23 卓达新材料科技集团有限公司 Indoor high-intensity rapid-setting repairing material and preparation method therefor
CN106565193A (en) * 2016-08-31 2017-04-19 武汉长江科创科技发展有限公司 Phosphate grouting material and production method thereof
CN107459327A (en) * 2017-08-03 2017-12-12 长安大学 Suitable for low temperature or the fast repairing concrete material of construction in minus-temperature environment
CN108484089A (en) * 2018-04-11 2018-09-04 沈阳建筑大学 A kind of bi-component subzero temperature rapid-patching motar and its preparation and application
CN108863292A (en) * 2018-07-19 2018-11-23 贵州磷镁材料有限公司 A kind of repairing concrete crack material and its construction technology based on phosphorus magnesium material
CN109626951A (en) * 2019-01-14 2019-04-16 青岛理工大学 A kind of magnesium phosphate cement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407400A (en) * 2008-11-13 2009-04-15 上海交通大学 Concrete construction material for spraying

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407400A (en) * 2008-11-13 2009-04-15 上海交通大学 Concrete construction material for spraying

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241504B (en) * 2011-06-02 2013-03-06 河海大学 Phosphate aerated concrete bonding agent
CN102241504A (en) * 2011-06-02 2011-11-16 河海大学 Phosphate aerated concrete bonding agent
CN102617059A (en) * 2012-03-23 2012-08-01 深圳大学 Phosphate base cementing agent
CN102643073A (en) * 2012-05-02 2012-08-22 河海大学 Magnesium phosphate cement grout material
CN103145397B (en) * 2013-02-26 2014-08-06 上海建为建筑修缮工程有限公司 Rapid repair material based on building broken stones and preparation method thereof
CN103145397A (en) * 2013-02-26 2013-06-12 上海建为建筑修缮工程有限公司 Rapid repair material based on building broken stones and preparation method thereof
CN103289703A (en) * 2013-07-05 2013-09-11 浙江工业大学 Early-strength soil solidifying agent and manufacturing method and application for same
CN103508690A (en) * 2013-09-17 2014-01-15 安徽循环经济技术工程院 Novel inorganic binding material capable of bonding various substances and preparation method of novel inorganic binding material
CN103922695A (en) * 2014-03-27 2014-07-16 上海交通大学 Grouting mortar used for restoring high-speed rail ballastless track mortar layer
CN104529378A (en) * 2014-12-08 2015-04-22 中国科学院合肥物质科学研究院 Novel water-resistant quick-hardened inorganic cementing material and preparation method thereof
CN104529378B (en) * 2014-12-08 2017-04-19 中国科学院合肥物质科学研究院 Novel water-resistant quick-hardened inorganic cementing material and preparation method thereof
CN104556918B (en) * 2014-12-29 2016-11-16 武汉市市政建设集团有限公司 A kind of water resistant dispersion high bonding early strength micro expansion injecting paste material
CN104556918A (en) * 2014-12-29 2015-04-29 武汉市市政建设集团有限公司 Anti-water-dispersion, high-bonding, early-strength and micro-expansion grouting material
CN105174879A (en) * 2015-07-29 2015-12-23 卓达新材料科技集团有限公司 Indoor high-intensity rapid-setting repairing material and preparation method therefor
CN106565193A (en) * 2016-08-31 2017-04-19 武汉长江科创科技发展有限公司 Phosphate grouting material and production method thereof
CN106565193B (en) * 2016-08-31 2019-05-07 武汉长江科创科技发展有限公司 A kind of phosphate grouting material and preparation method thereof
CN107459327A (en) * 2017-08-03 2017-12-12 长安大学 Suitable for low temperature or the fast repairing concrete material of construction in minus-temperature environment
CN108484089A (en) * 2018-04-11 2018-09-04 沈阳建筑大学 A kind of bi-component subzero temperature rapid-patching motar and its preparation and application
CN108863292A (en) * 2018-07-19 2018-11-23 贵州磷镁材料有限公司 A kind of repairing concrete crack material and its construction technology based on phosphorus magnesium material
CN109626951A (en) * 2019-01-14 2019-04-16 青岛理工大学 A kind of magnesium phosphate cement

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Application publication date: 20101110