CN101096303A - Rapid restoring material for building and road making - Google Patents
Rapid restoring material for building and road making Download PDFInfo
- Publication number
- CN101096303A CN101096303A CNA2006100284189A CN200610028418A CN101096303A CN 101096303 A CN101096303 A CN 101096303A CN A2006100284189 A CNA2006100284189 A CN A2006100284189A CN 200610028418 A CN200610028418 A CN 200610028418A CN 101096303 A CN101096303 A CN 101096303A
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- plural gel
- gel host
- composite additive
- building
- road
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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
- 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
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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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
- C04B2111/72—Repairing or restoring existing buildings or building materials
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- 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
Abstract
The invention discloses a building and road building concrete material, in particular to a rapid repairing material for building and road building, which comprises the following parts: compound gel host, compound additive and compound aggregate, wherein the compound gel host is composed of 30-50% sulphoaluminate cement, 20-40% silicate cement, 5-15% tailings powder, 5-15% coal ash and 5-15% wollastonite. The quantity of compound additive and compound aggregate is trimmed without changing the quantity of compound gel host according to different salvaging purposes, which is fit for rapid salvage for kinds of building and road building.
Description
Technical field: the present invention relates to a kind ofly build the road, the build concrete material, particularly a kind ofly build the road, rapid restoring material for building.
Background technology: build at present, building the road mainly comprises inorganic restoring material and organic restoring material with restoring material, inorganic restoring material generally adopts rapid hardening cement to prepare as gelatinous material, mainly comprise following several types: 1, aluminosulfate cement system mending concrete, the ultimate compression strength of constructing after 4～6 hours can be greater than more than the 20Mpa, the concrete construction that also can make preparation after 2 hours ultimate compression strength reach 15Mpa.2, fluoaluminate cement fondu system mending concrete material, constructing, ultimate compression strength reaches 20Mpa after 2～6 hours.3, the rehabilitating concrete of phosphoric acid salt+mistake burned magnesium oxide+retardant matrix material preparation, constructing, ultimate compression strength reaches 30Mpa after 1 hour.But this patching material weather resistance is still waiting checking, and its price is more than 2 times of silicate cement gel material.General injection, grouting and the landfill of adopting of its construction, the intensity of jet cement generally have only about 1 hour 2Mpa, do not satisfy the requirement of rushing to repair rush construction.The inorganic materials that grouting is repaired generally adopts silicate cement+shrinkage-compensating agent+fluidizer; adopt clean slurry or mortar to be in the milk according to the position of grouting; its principle that mends a split is to utilize inherent chemical property of concrete own and porousness; with water as carrier; in concrete micropore and kapillary, transmit; full; particulate in the catalysis concrete and not the composition of complete aquation hydration takes place once more; form insoluble complicated and confused shape crystallization and be combined into integral body with concrete; thereby make distress in concrete self-healing sealing, reach permanent waterproof; protection against the tide and protection reinforcing bar; increase concrete structural strength.For landfill type rapid hardening high-strength concrete, though but ultimate compression strength 20Mpa after constructing 4～6 hours, gentle self-compacting two specific characters of can't flowing automatically simultaneously, and cost an arm and a leg, price general charged is about 4000 yuan/ton.
Organic restoring material also mainly comprises following several except traditional Resins, epoxy: 1, the high molecular polymer of compositions such as methyl methacrylate (MMA) and initiator, softening agent; except that advantage with polymer class patching material; also overcome the high shortcoming of Resins, epoxy viscosity; can penetrate in microscopic checks and the hole; form film simultaneously on the surface; play good surperficial sealing process, can effectively protect concrete.2, MMA can also be mixed with the macromolecular material first with fixed attention with chemical assistant, it is the most popular method that distress in concrete is handled that first is coagulated chemical grouting, can be by in press device penetration concrete material or the crack, through infiltration, curing, the bonding purpose that reaches the mending concrete member, the crack that is usually used in repairing concrete members such as bridge, harbour, house, dam and flood-control wall.
According to above description as can be seen, for organic restoring material, be mainly used in mend a split, the less engineering of workload such as breakage, leak stopping, no matter be material property itself or construction equipment, all be not suitable for extensive landfill, reinforcing and newly-built engineering first-aid repair rush construction operation.For the mineral-type restoring material, generally all specific aim is stronger, and versatility is not enough, during at different purposes, host composition, functional additive and proportioning all will change, when carrying out the multi-usage construction, blending process is very numerous and diverse, can't reach the purpose of quick repairing.
Summary of the invention: the purpose of this invention is to provide a kind of host components unchanged when being used for different purposes only to additive fine setting just can carry out the building the road of fast hard, the operation of being in the milk, rapid restoring material for building simultaneously.Mainly solve the existing not enough technical problem of patching material versatility.
Technical scheme of the present invention is: a kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 30～50%, silicate cement: 20～40%, mine tailing: 5～15%, flyash: 5～15%, silicon ash: 5～15%.Mixed preparing routinely.Compound aggregate is rubble and sand, composite additive is made up of efficient polycarboxylate water-reducer, the protruding Attapulgite of modification, ethers thickening material, boric acid and ethers defoamer, the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand: rubble=1～2: 2～4: 3～5, composite additive ingredients weight parts proportioning is 25～35: 3～6: 3～5: 2～4: 2～4, and the composite additive addition is 5～10 ‰ of a plural gel host weight.Described grain fineness number modulus is 2.3～2.8, and silt content is less than 0.5%; The granularity of rubble is 5～16mm, and crush index is less than 2.8%, and water cement ratio is 0.3～0.35.Patching material is mixed preparing routinely.This fast repairing material hydration and hardening and have very high strength rapidly in the extremely short time can be used for repairing road, also can be used for constructing fast facilities such as beam, post, barricade, platform.Save repair time and manpower, have the fluidized performance, casting process need not to vibrate, the moulding of trickling automatically.
A kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 30～50%, silicate cement: 20～40%, mine tailing: 5～15%, flyash: 5～15%, silicon ash: 5～15%.Compound aggregate is a sand, composite additive is made up of efficient polycarboxylate water-reducer, the protruding Attapulgite of modification, ethers thickening material, boric acid and ethers defoamer, the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand=1～2: 3～5, composite additive ingredients weight parts proportioning is 15～25: 3～5: 2～4: 1～1: 1～2, and the composite additive addition is 5～10 ‰ of a plural gel host weight.Described grain fineness number modulus is 2.3～2.6, and silt content is less than 0.5%; Water cement ratio is 0.3～0.35.Restoring material is mixed preparing routinely.This fast repairing material in the crack by pressure grouting equipment implant damage structures, makes the member of damaged recover globality mainly as the grouting restoring material, guarantees the security of structure.Simultaneously can also be used to pour into a mould primary structure member bases such as steel member, can be used for the reparation of the structures of different fracture widths, different injury tolerances, intensity when having high workability, nothing contraction, higher primary school.
The invention has the beneficial effects as follows: the present invention has the universalization characteristic, overcome that existing restoring material kind is many, kind is assorted, the deficiency of function singleness, not only can satisfy operation repairings such as airport, port and pier, also can satisfy the serious limited engineering first-aid repair in operating area.The present invention has multifunction, can be suitable for the requirement of pumping and sprayed construction simultaneously, and it is flexible to construct.The present invention has modular nature, avoided the not wield shortcoming of existing restoring material prescription complexity, as long as plural gel host that will prepare in advance according to construction requirement when the present invention constructs and corresponding composite additive and compound aggregate carry out composite, storage, easy construction is flexible, is convenient to the workmen and grasps.
Embodiment:
Embodiment 1: a kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 35%, silicate cement: 40%, mine tailing: 6%, flyash: 8%, silicon ash: 11%.Mixed preparing routinely.Compound aggregate is rubble and sand; composite additive is by efficient polycarboxylate water-reducer; the protruding Attapulgite of modification; the ethers thickening material; boric acid and ethers defoamer are formed; efficient polycarboxylate water-reducer is selected the TH-J high-efficiency water-reducing agent of poly-carboxylic acid of Shenzhen Zhong Hai China concrete technology ﹠ development Co. for use; the ethers thickening material is for example selected the Natvosol in the ether of cellulose for use; defoamer is selected the glycerine polyethenoxy ether for use; the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand: rubble=1: 2: 3; composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=28: 4: 3: 2: 2, the composite additive addition was 6 ‰ of a plural gel host weight.Described grain fineness number modulus is 2.3～2.8, and silt content is less than 0.5%; The granularity of rubble is 5～16mm, and crush index is less than 2.8%, and water cement ratio is 0.3～0.35.Patching material is mixed preparing routinely.This rapid restoring material hydration and hardening and have very high strength rapidly in the extremely short time can be used for repairing road, also can be used for constructing fast facilities such as beam, post, barricade, platform.Save repair time and manpower, have the fluidized performance, casting process need not to vibrate, the moulding of trickling automatically.Constructing, ultimate compression strength is greater than 15 Mpa after 2 hours, and ultimate compression strength can reach 55 Mpa after 28 days.
A kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 35%, silicate cement: 40%, mine tailing: 6%, flyash: 8%, silicon ash: 11%.Compound aggregate is a sand; composite additive is by efficient polycarboxylate water-reducer; the protruding Attapulgite of modification; the ethers thickening material; boric acid and ethers defoamer are formed; efficient polycarboxylate water-reducer is selected the TH-J high-efficiency water-reducing agent of poly-carboxylic acid of Shenzhen Zhong Hai China concrete technology ﹠ development Co. for use; the ethers thickening material is for example selected the Natvosol in the ether of cellulose for use; defoamer is selected the glycerine polyethenoxy ether for use; the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand=1: 3; composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=18: 3: 2: 1: 1, the composite additive addition was 6 ‰ of a plural gel host weight.Described grain fineness number modulus is 2.3～2.6, and silt content is less than 0.5%; Water cement ratio is 0.3～0.35.Patching material is mixed preparing routinely.This rapid restoring material in the crack by pressure grouting equipment implant damage structures, makes the member of damaged recover globality mainly as the grouting restoring material, guarantees the security of structure.Simultaneously can also be used to pour into a mould primary structure member bases such as steel member, can be used for the reparation of the structures of different fracture widths, different injury tolerances, intensity when having high workability, nothing contraction, higher primary school.Construct ultimate compression strength after 2 hours greater than 15Mpa.
Above rapid restoring material environment for use temperature is 5～45 ℃, and the adaptive temperature scope is wider, and the time that effectively stores under normal temperature condition reaches 270 days.
Embodiment 2, a kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, compound aggregate is rubble and sand, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 40%, and silicate cement: 35%, mine tailing: 12%, flyash: 6%, silicon ash: 7%.Plural gel host: sand: the weight part proportioning of rubble is 1: 3: 4, composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=32: 5: 4: 3: 2, the composite additive addition was 7 ‰ of a plural gel host weight.
A kind ofly build the road, rapid restoring material for building, form by plural gel host, composite additive and compound aggregate, compound aggregate is a sand, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 40%, silicate cement: 35%, mine tailing: 12%, flyash: 6%, silicon ash: 7%.Plural gel host: the weight part proportioning of sand is 2: 5, composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=22: 4: 3: 1: 1, the composite additive addition was 7 ‰ of a plural gel host weight.
All the other are identical with embodiment 1.
Embodiment 3, a kind ofly build the road, rapid restoring material for building, and the weight percent of its moiety of plural gel host is: aluminosulfate cement: 50%, and silicate cement: 30%, mine tailing: 7%, flyash: 10%, silicon ash: 8%.Plural gel host: sand: the weight part proportioning of rubble is 2: 4: 5, composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=34: 6: 5: 3: 3, the composite additive addition was 8 ‰ of a plural gel host weight.
A kind ofly build the road, rapid restoring material for building, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 50%, silicate cement: 30%, mine tailing: 7%, flyash: 10%, silicon ash: 8%.Plural gel host: the weight part proportioning of sand is 2: 4, composite additive ingredients weight parts proportioning is efficient polycarboxylate water-reducer: the protruding Attapulgite of modification: ethers thickening material: boric acid: ethers defoamer=24: 5: 4: 2: 2, the composite additive addition was 8 ‰ of a plural gel host weight.
All the other are identical with embodiment 1.
Claims (4)
1, a kind ofly build the road, rapid restoring material for building, it is characterized in that, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 30～50%, silicate cement: 20～40%, mine tailing: 5～15%, flyash: 5～15%, silicon ash: 5～15%; Compound aggregate is rubble and sand, composite additive is made up of efficient polycarboxylate water-reducer, the protruding Attapulgite of modification, ethers thickening material, boric acid and ethers defoamer, the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand: rubble=1～2: 2～4: 3～5, composite additive ingredients weight parts proportioning is 25～35: 3～6: 3～5: 2～4: 2～4, and the composite additive addition is 5～10 ‰ of a plural gel host weight.
2, according to claim 1 describedly build the road, rapid restoring material for building, it is characterized in that the grain fineness number modulus is 2.3～2.8, silt content is less than 0.5%; The granularity of rubble is 5～21mm, and crush index is less than 2.8%, and water cement ratio is 0.3～0.35.
3, a kind ofly build the road, rapid restoring material for building, it is characterized in that, form by plural gel host, composite additive and compound aggregate, the weight percent of its moiety of plural gel host is: aluminosulfate cement: 30～50%, silicate cement: 20～40%, mine tailing: 5～15%, flyash: 5～15%, silicon ash: 5～15%; Compound aggregate is a sand, composite additive is made up of efficient polycarboxylate water-reducer, the protruding Attapulgite of modification, ethers thickening material, boric acid and ethers defoamer, the weight part proportioning of plural gel host and compound aggregate is a plural gel host: sand=1～2: 3～5, composite additive ingredients weight parts proportioning is 15～25: 3～5: 2～4: 1～1: 1～2, and the composite additive addition is 5～10 ‰ of a plural gel host weight.
4, according to claim 3 describedly build the road, rapid restoring material for building, it is characterized in that described grain fineness number modulus is 2.3～2.6, silt content is less than 0.5%, water cement ratio is 0.3～0.35.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100284189A CN101096303B (en) | 2006-06-30 | 2006-06-30 | Rapid restoring material for building and road making |
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| CN2006100284189A CN101096303B (en) | 2006-06-30 | 2006-06-30 | Rapid restoring material for building and road making |
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| CN101096303A true CN101096303A (en) | 2008-01-02 |
| CN101096303B CN101096303B (en) | 2011-09-21 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268246A (en) * | 2011-06-14 | 2011-12-07 | 邯郸君强矿山科技有限公司 | Special concrete additive for shafts |
| CN101456716B (en) * | 2008-12-31 | 2012-02-29 | 王本淼 | Expanding material for cast-in-situ hollow building roof component |
| CN102503322A (en) * | 2011-10-27 | 2012-06-20 | 北京东方雨虹防水技术股份有限公司 | Preparation method for material capable of being used for rapid rush-repair of roads |
| CN102557575A (en) * | 2010-12-16 | 2012-07-11 | 中冶天工上海十三冶建设有限公司 | Quick-setting super-high early-strength hydraulic pouring material |
| CN102701684A (en) * | 2012-05-16 | 2012-10-03 | 阳泉昌达混凝土搅拌站 | Preparation method of super-high early strength concrete material |
| CN103570286A (en) * | 2013-08-14 | 2014-02-12 | 朱文云 | Concrete for rehabilitating historic building |
| CN103803914A (en) * | 2013-12-25 | 2014-05-21 | 新疆研科节能科技有限公司 | Roller-compacted and fast-cured concrete and preparation and use methods thereof |
| CN104446209A (en) * | 2014-12-04 | 2015-03-25 | 三明学院 | Environment-friendly active tailing micro-powder composite slurry and application thereof |
| CN104692744A (en) * | 2015-03-12 | 2015-06-10 | 北京元泰达环保建材科技有限责任公司 | Road patching material with favorable elasticity and abrasion resistance and application thereof |
| CN105776996A (en) * | 2016-02-16 | 2016-07-20 | 河海大学 | Ecological concrete with low manufacturing cost and preparing method of ecological concrete |
| CN106064920A (en) * | 2016-05-27 | 2016-11-02 | 赵勇 | A kind of concrete for airfield pavement repairing and preparation method thereof |
| EP3110729A4 (en) * | 2014-02-24 | 2017-11-01 | Active Minerals International LLC | Backfill, methods of making, and use thereof |
| CN109851302A (en) * | 2019-01-14 | 2019-06-07 | 海南大学 | A kind of modified sulphoaluminate cement base restoring material and preparation method thereof |
| CN112321241A (en) * | 2020-06-08 | 2021-02-05 | 上海艺盛实业有限公司 | Masterbatch for quickly repairing concrete road and concrete road repairing material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1055531A (en) * | 1991-04-06 | 1991-10-23 | 武汉工业大学 | High strength composite gelatinizing material |
| CN1198772C (en) * | 2001-11-10 | 2005-04-27 | 李乃珍 | Fast concrete road and bridge repairing material |
| CN1179902C (en) * | 2002-10-16 | 2004-12-15 | 同济大学 | Patching material in quick modified polymer |
| CN1303034C (en) * | 2003-06-05 | 2007-03-07 | 同济大学 | Quick repairing polymer cement base material and its preparing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101456716B (en) * | 2008-12-31 | 2012-02-29 | 王本淼 | Expanding material for cast-in-situ hollow building roof component |
| CN102557575A (en) * | 2010-12-16 | 2012-07-11 | 中冶天工上海十三冶建设有限公司 | Quick-setting super-high early-strength hydraulic pouring material |
| CN102557575B (en) * | 2010-12-16 | 2016-01-20 | 中冶天工上海十三冶建设有限公司 | Fast solidifying super hardening hydraulicity pouring material |
| CN102268246A (en) * | 2011-06-14 | 2011-12-07 | 邯郸君强矿山科技有限公司 | Special concrete additive for shafts |
| CN102503322A (en) * | 2011-10-27 | 2012-06-20 | 北京东方雨虹防水技术股份有限公司 | Preparation method for material capable of being used for rapid rush-repair of roads |
| CN102701684A (en) * | 2012-05-16 | 2012-10-03 | 阳泉昌达混凝土搅拌站 | Preparation method of super-high early strength concrete material |
| CN103570286A (en) * | 2013-08-14 | 2014-02-12 | 朱文云 | Concrete for rehabilitating historic building |
| CN103803914A (en) * | 2013-12-25 | 2014-05-21 | 新疆研科节能科技有限公司 | Roller-compacted and fast-cured concrete and preparation and use methods thereof |
| CN103803914B (en) * | 2013-12-25 | 2016-04-27 | 新疆研科节能科技有限公司 | Roll fast concrete and preparation method thereof and using method admittedly |
| EP3110729A4 (en) * | 2014-02-24 | 2017-11-01 | Active Minerals International LLC | Backfill, methods of making, and use thereof |
| CN104446209A (en) * | 2014-12-04 | 2015-03-25 | 三明学院 | Environment-friendly active tailing micro-powder composite slurry and application thereof |
| CN104692744A (en) * | 2015-03-12 | 2015-06-10 | 北京元泰达环保建材科技有限责任公司 | Road patching material with favorable elasticity and abrasion resistance and application thereof |
| CN105776996A (en) * | 2016-02-16 | 2016-07-20 | 河海大学 | Ecological concrete with low manufacturing cost and preparing method of ecological concrete |
| CN105776996B (en) * | 2016-02-16 | 2018-03-09 | 河海大学 | A kind of low cost eco-concrete and preparation method thereof |
| CN106064920A (en) * | 2016-05-27 | 2016-11-02 | 赵勇 | A kind of concrete for airfield pavement repairing and preparation method thereof |
| CN109851302A (en) * | 2019-01-14 | 2019-06-07 | 海南大学 | A kind of modified sulphoaluminate cement base restoring material and preparation method thereof |
| CN112321241A (en) * | 2020-06-08 | 2021-02-05 | 上海艺盛实业有限公司 | Masterbatch for quickly repairing concrete road and concrete road repairing material |
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| CN101096303B (en) | 2011-09-21 |
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