CN101445342B - Concrete material for reinforcing high-performance structure project, preparation method and use thereof - Google Patents
Concrete material for reinforcing high-performance structure project, preparation method and use thereof Download PDFInfo
- Publication number
- CN101445342B CN101445342B CN2008102032641A CN200810203264A CN101445342B CN 101445342 B CN101445342 B CN 101445342B CN 2008102032641 A CN2008102032641 A CN 2008102032641A CN 200810203264 A CN200810203264 A CN 200810203264A CN 101445342 B CN101445342 B CN 101445342B
- Authority
- CN
- China
- Prior art keywords
- concrete material
- concrete
- water
- fine aggregate
- coarse aggregate
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2053—Earthquake- or hurricane-resistant materials
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a concrete material for reinforcing a high-performance structure project, a preparation method and a use thereof, wherein, the components and the using amounts of the concrete material are as follows: cement, 400-900Kg/M<3>; coarse aggregate, 300-950Kg/M<3>; fine aggregate, 500-1050Kg/M<3>; shrinkage-compensating admixture, 0-100Kg/M<3>; polymeric additive, 1-15Kg/M<3>; silica fume, 0-65Kg/M<3>; and fiber, 0.5-2.5Kg/M<3>; the particle size of the coarse aggregate is 5-16mm, the particle size of the fine aggregate is less than 5mm, the water content of various raw materials is not less than 1.5 percent, and the adding amount of water is 7-11 percent of the dry materials during the use process. The preparation method of the concrete material comprises the following steps: the raw materials are selected and taken according to the components and the using amounts, stirred by a machine for more than 3 minutes, then packaged with water-and moisture-proof materials. The concrete material is applicable to the cross-section enlargement of a concrete member in the structure project, the replacement and the repair of the failure concrete, the increase of the concrete member, etc.
Description
[technical field]
The present invention relates to a kind of concrete material and its production and use, particularly relate to a kind of Structural Engineering concrete material for reinforcing and its production and use.
[background of invention]
Along with the raising of living standards of the people, people are more and more higher to the requirement of the security of fabric structure, antidetonation grade, and the requirement that original security of existing building and antidetonation grade generally all can't satisfy existing specification for structure and earthquake resistant code.Existing structural strengthening method generally has: increasing section method for strengthening, displacement concrete strengthening method, add the prestressed reinforcement method, outward sticking section steel reinforcement method, paste methods such as fiber composite material method for strengthening and affixing steel plate reinforcement method.These methods are subjected to the restriction of institute's materials used separately, and consolidation effect is all undesirable.The method that has can't solve durable fire-resistant problem, and the method that has can't solve the beam-column joint reinforcing problem, the problem that the method that has exists system not match.Especially can not solve the seismic hardening problem of old building and damaged building.
The increasing section method for strengthening can solve the seismic hardening problem in theory at present, but institute's materials used is normal concrete and injection material, and there is tangible technological deficiency separately in they.Wherein the flowability of normal concrete is poor, need vibrate during cast, and constructional difficulties hour can't be constructed in the newly-increased sectional dimension of reinforcing.And the normal concrete strength development is slow, 28 days and just can reach design strength, has a strong impact on construction speed.Grouting material exists volume stability poor as the mortar series products simultaneously, and rimose shortcoming, and intensity level easily has big difference and causes newly-increased member and former construction system not to match, can't with former member co-operation, consolidation effect is undesirable.
[summary of the invention]
Technical problem to be solved by this invention is to use conventional concrete to cause that constructional difficulties, strength development are slow, system does not match defective in the reinforcement means of existing structure engineering.
For solving the problems of the technologies described above, the invention provides a kind of concrete material for reinforcing high-performance structure project, its component and consumption are respectively: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, fiber 0.5-2.5Kg/M
3, the particle diameter of described coarse aggregate is 5-16mm, and the particle diameter of described fine aggregate is less than 5mm, and various starting material water ratio are less than 1.5%, and amount of water is the 7-11% of dry material when using.
Further, described concrete material for reinforcing high-performance structure project reached the time of design strength less than 14 days.
Further, described coarse aggregate is rubble or natural pebble.
Further, described fine aggregate is natural sand, artificial sand or industrial slag.
Further, described compensate for shrinkage adulterant is selected from levigate calcined alunite or various UEA, HEA.
Further, described polymkeric substance admixture is naphthalene series concrete water reducing agent or polycarboxylic acid cement water reducing agent or soluble polymer.
Further, described fiber is short polypropylene fibre or the polyvinyl alcohol fiber of cutting.
The present invention further provides a kind of preparation method of concrete material for reinforcing high-performance structure project, it comprises the following steps: to choose raw material by following proportioning earlier: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, fiber 0.5-2.5Kg/M
3, various starting material water ratio are less than 1.5%, and amount of water is the 7-11% of dry material when using; Use mechanical stirring more than 3 minutes then; Adopt waterproof and dampproof packing again.
The present invention also provides a kind of purposes of concrete material for reinforcing high-performance structure project, and described concrete material is applied to the cross section of concrete member in the Structural Engineering and amplifies.
The present invention also provides a kind of purposes of concrete material for reinforcing high-performance structure project, and described concrete material is applied to the concrete replacement repairing of inefficacy in the Structural Engineering.
The present invention also provides a kind of purposes of concrete material for reinforcing high-performance structure project, and described concrete material is applied to newly-increased concrete member in the Structural Engineering.
Described concrete material for reinforcing high-performance structure project also further is applicable to the seismic hardening of buildings and structures.
Therefore, usefulness of the present invention is to provide a kind of concrete material for reinforcing high-performance structure project, and it has good fluidity, construction is convenient, strength development fast, do not have characteristics such as contraction, high-adhesion.
[specific embodiment]
Concrete material for reinforcing high-performance structure project of the present invention comprises cement, coarse aggregate, fine aggregate, compensate for shrinkage adulterant, polymkeric substance admixture, silicon ash and fiber.Each amounts of components is respectively: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, fiber 0.5-2.5Kg/M
3, various raw material water ratio are less than 1.5%, and amount of water is the 7-11% of dry material when using.Wherein cement is 42.5 grades of ordinary Portland cements or 52.5 grades of ordinary Portland cements or sulphur rate acid salt cement.According to the resource situation of locality, coarse aggregate can use rubble or natural pebble separately, also can use rubble and natural pebble simultaneously.The particle diameter of coarse aggregate is 5-16mm.According to the resource situation of locality, fine aggregate can use natural sand, artificial sand or industrial slag separately, also can use natural sand, artificial sand and industrial slag simultaneously.Wherein industrial slag can be shrend granulated blast-furnace slag, phosphorus slag etc.The particle diameter of fine aggregate is less than 5mm.
According to the resource situation of locality, the compensate for shrinkage adulterant can use levigate calcined alunite, various UEA or HEA separately, also can use levigate calcined alunite, various UEA and HEA simultaneously.Adding does not have contraction after the compensate for shrinkage adulterant can make the concrete material hydration and hardening, thereby makes the synchronous stress performance that increases member and primary structure in the reinforcing process newly good.Resource situation according to the locality, the polymkeric substance admixture can use naphthalene series concrete water reducing agent, polycarboxylic acid cement water reducing agent or soluble polymer separately, also can use naphthalene series concrete water reducing agent, polycarboxylic acid cement water reducing agent and soluble polymer simultaneously.Wherein soluble polymer can be a latex powder etc.The effect of polymkeric substance admixture be strengthen the flowability of concrete material and with the cohesive force of former concrete and reinforcing bar.Fiber is short polypropylene fibre or the polyvinyl alcohol fiber of cutting.The effect of fiber is to strengthen the resistivity against fire and the weather resistance of concrete material.The interpolation of silicon ash also is in order to strengthen the flowability of soil material with fixed attention.
Concrete material for reinforcing high-performance structure project of the present invention can reach technical indicator as shown in table 1:
Table 1
As can be seen from Table 1, concrete material for reinforcing high-performance structure project of the present invention has more excellent flowability than conventional concrete material, the scene add water both stir can, without vibration, it is convenient to construct, and the sectional dimension that can be used for strenthening member increases less engineering.Can find out that also concrete material for reinforcing high-performance structure project of the present invention has the fast characteristics of strength development, can reach design strength in 7 days.And concrete material for reinforcing high-performance structure project of the present invention also has the construction back and does not have characteristics such as contraction, high-adhesion, and the synchronous stress performance of newly-increased member and primary structure is good, and is good with original concrete and reinforcing bar cohesiveness.In addition, elite coarse-fine aggregate and compensate for shrinkage component make the resistance to cleavage of concrete material for reinforcing good.
Therefore, concrete material for reinforcing high-performance structure project of the present invention is specially adapted to the cross section amplification of concrete member in the Structural Engineering, the concrete replacement of losing efficacy is repaired and newly-increased concrete member, also is specially adapted to the seismic hardening of buildings and structures.
A kind of preparation method of above-mentioned concrete material for reinforcing high-performance structure project, it comprises the following steps: to choose raw material by following proportioning earlier: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, fiber 0.5-2.5Kg/M
3, various starting material water ratio are less than 1.5%, and amount of water is the 7-11% of dry material when using; Use mechanical stirring more than 3 minutes then; Adopt waterproof and dampproof packing again.Made strength grade of concrete is C30 to C80.
Illustrate the concrete preparation process of concrete material for reinforcing high-performance structure project of the present invention below in conjunction with embodiment.
Embodiment 1
A kind of strength grade is the concrete material for reinforcing high-performance structure project of C30, and its concrete preparation method is as follows:
Earlier choose raw material: (unit: Kg/M by form 2
3)
| Cement | UEA | Fine aggregate | Coarse aggregate | Sodium naphthalene sulfonate | Fiber | Water |
| 437 | 44 | 976 | 728 | 2.88 | 0.8 | 211 |
Table 2
Wherein cement is 42.5 grades of ordinary Portland cements, and UEA is Shanghai White cement mill UEA, and the fine aggregate modulus is 2.5mm, and coarse aggregate size is 5-16mm, and sodium naphthalene sulfonate is the Five Dragons, a Zhejiang naphthalene series high-efficiency water-reducing agent, and fiber is a Gray Si 6mm polypropylene chopped strand.
Use mechanical stirring more than 3 minutes then, adopt waterproof and dampproof packing.Add the water mechanical stirring during use more than 5 minutes.
Embodiment 2
A kind of strength grade is the concrete material for reinforcing high-performance structure project of C60, and its concrete preparation method is as follows:
Earlier choose raw material: (unit: Kg/M by form 3
3)
| Cement | UEA | Fine aggregate | Coarse aggregate | Polycarboxylate | Fiber | Water | Latex powder |
| 610 | 61 | 778 | 763 | 2.018 | 0.6 | 206 | 1.4 |
Table 3
Wherein cement is 42.5 grades of ordinary Portland cements, and UEA is Shanghai White cement mill UEA, and the fine aggregate modulus is 2.5mm, and coarse aggregate size is 5-16mm, and polycarboxylate is that Suzhou not restrains high-efficiency water-reducing agent of poly-carboxylic acid, and fiber is a Gray Si 6mm polypropylene chopped strand.
Use mechanical stirring more than 3 minutes then, adopt waterproof and dampproof packing.Add the water mechanical stirring during use more than 5 minutes.
Embodiment 3
A kind of strength grade is the concrete material for reinforcing high-performance structure project of C80, and its concrete preparation method is as follows:
Earlier choose raw material: (unit: Kg/M by form 4
3)
| Cement | The silicon ash | Fine aggregate | Coarse aggregate | Polycarboxylate | Fiber | Water | Latex powder |
| 624 | 61 | 685 | 913 | 3.283 | 0.6 | 167 | 2.8 |
Table 4
Wherein cement is 52.5 grades of ordinary Portland cements, and the silicon ash is a Sweden Ai Erken silicon ash, and the fine aggregate modulus is 2.8mm, and coarse aggregate size is 5-10mm, and polycarboxylate is that Suzhou not restrains high-efficiency water-reducing agent of poly-carboxylic acid, and fiber is a Gray Si 3mm polypropylene chopped strand.
Use mechanical stirring more than 3 minutes then, adopt waterproof and dampproof packing.Add the water mechanical stirring during use more than 5 minutes.
All naphthalene series high-efficiency water-reducing agents, polycarboxylate high-efficiency water reducing agent, be applied to concrete chopped strand and the soluble large molecule polymkeric substance all is applicable to the present invention, do not enumerate one by one at this.Each raw material bound value of the present invention all can realize the present invention, does not enumerate one by one at this.
Claims (11)
1. concrete material for reinforcing high-performance structure project, its component and consumption are respectively: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, short polypropylene fibre or the polyvinyl alcohol fiber 0.5-2.5Kg/M that cuts
3, the particle diameter of described coarse aggregate is 5-16mm, and the particle diameter of described fine aggregate is less than 5mm, and various starting material water ratio are less than 1.5%, and amount of water is the 7-11% of dry material when using.
2. concrete material as claimed in claim 1 is characterized in that: described concrete material reached the time of design strength less than 14 days.
3. concrete material as claimed in claim 2 is characterized in that: the time that described concrete material reaches design strength is preferably 7 days.
4. concrete material as claimed in claim 1 is characterized in that: described coarse aggregate is rubble or natural pebble.
5. concrete material as claimed in claim 1 is characterized in that: described fine aggregate is natural sand, artificial sand or industrial slag.
6. concrete material as claimed in claim 1 is characterized in that: described compensate for shrinkage adulterant is selected from levigate calcined alunite or various UEA, HEA.
7. concrete material as claimed in claim 1 is characterized in that: described polymkeric substance admixture is naphthalene series concrete water reducing agent or polycarboxylic acid cement water reducing agent or soluble polymer.
8. the preparation method of a concrete material as claimed in claim 1, it comprises the following steps: to choose raw material by following proportioning earlier: cement 400-900Kg/M
3, coarse aggregate 300-950Kg/M
3, fine aggregate 500-1050Kg/M
3, compensate for shrinkage adulterant 0-100Kg/M
3, polymkeric substance admixture 1-15Kg/M
3, silicon ash 0-65Kg/M
3, fiber 0.5-2.5Kg/M
3, various starting material water ratio stir raw material then less than 1.5%, adopt waterproof and dampproof packing again.
9. the purposes of a concrete material as claimed in claim 1 is characterized in that: the application aspect the amplification cross section of described concrete material concrete member in Structural Engineering.
10. the purposes of a concrete material as claimed in claim 1 is characterized in that: the application aspect the concrete replacement repairing of losing efficacy in Structural Engineering of described concrete material.
11. the purposes of a concrete material as claimed in claim 1 is characterized in that: described concrete material is the application aspect the newly-increased concrete member in Structural Engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102032641A CN101445342B (en) | 2008-11-24 | 2008-11-24 | Concrete material for reinforcing high-performance structure project, preparation method and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102032641A CN101445342B (en) | 2008-11-24 | 2008-11-24 | Concrete material for reinforcing high-performance structure project, preparation method and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101445342A CN101445342A (en) | 2009-06-03 |
| CN101445342B true CN101445342B (en) | 2011-06-22 |
Family
ID=40741271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102032641A Expired - Fee Related CN101445342B (en) | 2008-11-24 | 2008-11-24 | Concrete material for reinforcing high-performance structure project, preparation method and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101445342B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251782A (en) * | 2010-05-19 | 2011-11-23 | 闫冬生 | Novel underground anchor spraying concrete |
| CN104478328A (en) * | 2014-12-08 | 2015-04-01 | 武汉理工大学 | High-performance concrete prepared from antimony ore smelting slag and preparation method of high-performance concrete |
| CN106278013A (en) * | 2016-07-25 | 2017-01-04 | 上海美创建筑材料有限公司 | Subway plate-type ballastless track self-compacting concrete material and its production and use |
| CN106220089A (en) * | 2016-07-25 | 2016-12-14 | 上海美创建筑材料有限公司 | High-performance structure project concrete material and its production and use |
| CN106380140A (en) * | 2016-08-29 | 2017-02-08 | 蚌埠市宝运商品混凝土有限公司 | Impermeable frost-resistant concrete |
| CN109400072A (en) * | 2018-12-11 | 2019-03-01 | 扬州大学 | A kind of anti-crack and anti-seepage type bridge hinge seam concrete and its construction method |
| CN111704432A (en) * | 2020-06-22 | 2020-09-25 | 上海美创建筑材料有限公司 | Rapid rush-repair high-performance self-compacting concrete and preparation method and application thereof |
| CN112341100A (en) * | 2020-11-24 | 2021-02-09 | 上海美创建筑材料有限公司 | Special concrete for structural reinforcement and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085842A (en) * | 1993-09-16 | 1994-04-27 | 张森雄 | The manufacture method of dry type concrete |
| CN1349948A (en) * | 2000-10-25 | 2002-05-22 | 上海双鹤特种水泥有限公司 | Fast repairing concrete material and its production process |
| CN1451626A (en) * | 2002-04-17 | 2003-10-29 | 杨果林 | High strength steel fibre concrete and making method thereof |
-
2008
- 2008-11-24 CN CN2008102032641A patent/CN101445342B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085842A (en) * | 1993-09-16 | 1994-04-27 | 张森雄 | The manufacture method of dry type concrete |
| CN1349948A (en) * | 2000-10-25 | 2002-05-22 | 上海双鹤特种水泥有限公司 | Fast repairing concrete material and its production process |
| CN1451626A (en) * | 2002-04-17 | 2003-10-29 | 杨果林 | High strength steel fibre concrete and making method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101445342A (en) | 2009-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101445342B (en) | Concrete material for reinforcing high-performance structure project, preparation method and use thereof | |
| CA2944599C (en) | Concrete materials with modified rheology, methods of making, and uses thereof | |
| CN103979901B (en) | A kind of cement based shrinking-free grouting material and using method being mixed with phosphorus slag powder | |
| CN104591680B (en) | A kind of water resistant dispersion high bonding cement based grouting material | |
| CN103896527A (en) | Lightweight high-strength cement based composite material | |
| CN101698590B (en) | Repairing material for concrete and preparation method thereof | |
| CN104211358A (en) | Rapid-hardening early strength high-ductility cement-based composite material and preparation method thereof | |
| CN103922662A (en) | Ultra-high performance cement base composite material | |
| CN103880377A (en) | Geopolymer grouting material and preparation method thereof | |
| CN106380147A (en) | High-temperature-resistant high-ductility fiber-reinforced cement-base composite material and preparation method thereof | |
| CN101560083A (en) | Dry powder mortar of mine tailings | |
| CN101891435A (en) | Waterproof and crack-resistant dry-mixed mortar of steel slag sand | |
| CN101830664B (en) | Prestressing anchoring and grouting material additive, as well as preparation method and application thereof | |
| CN104628322A (en) | Semi-flexible anti-rut pavement material and preparation method thereof | |
| CN102503317B (en) | High-dopant slurry-infiltrated fibrous concrete filled ultralong steel tube arch high-strength concrete and preparation method thereof | |
| CN1939871A (en) | Non-cracking building mortar | |
| CN102320793A (en) | Quick-hardening self-compacting anti-cracking high-performance grouting material | |
| CN101168483B (en) | High-performance panel concrete and preparation method thereof | |
| CN101857405A (en) | High-toughness mortar | |
| CN105541238B (en) | A kind of High Strength Non-shrinking Filling Material | |
| CN104788045A (en) | Grouting material | |
| US20210139375A1 (en) | Dry premixture for flexible concrete and method for its preparation and use thereof | |
| US11655188B2 (en) | Flexible concrete | |
| CN112876151A (en) | Geopolymer-based rapid repair mortar and preparation method thereof | |
| CN109704693B (en) | Sulphoaluminate cement-based self-compacting mortar and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20181124 |