CN108558335A - A kind of high-performance cement base grouting material - Google Patents
A kind of high-performance cement base grouting material Download PDFInfo
- Publication number
- CN108558335A CN108558335A CN201810030899.XA CN201810030899A CN108558335A CN 108558335 A CN108558335 A CN 108558335A CN 201810030899 A CN201810030899 A CN 201810030899A CN 108558335 A CN108558335 A CN 108558335A
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- Prior art keywords
- cement
- grouting material
- agent
- water
- base grouting
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- 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.)
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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
- C04B28/14—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 calcium sulfate 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- 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)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of high-performance cement base grouting materials, including cement, complementary cementitious material, semi-hydrated gypsum, fine aggregate, additive and water, wherein the cement is the mixture of Portland cement and low alkalinity sulphur aluminosilicate cement, the complementary cementitious material is the mixture of flyash, slag and silicon ash, and the additive includes the mixture of water-reducing agent, early strength agent, retarder and antifoaming agent.The cement-based grouting material vibration-free self-flowing puts down that excellent, early strength is high, microdilatancy ungauged regions, durability are good.
Description
Technical field
The invention belongs to concrete base building field of material technology, and in particular to a kind of high-performance cement base grouting material.
Background technology
Cement-based grouting material is one kind using inorganic coagulation material as base material, with additives such as water-reducing agent, retarder and thin
Gather materials etc. and to mix, there is large fluidity, early strong, high-strength, microdilatancy performance, mainly in application mechanical equipment installation and plus
Gu repairing work, by development for many years, High Strength Non-shrinking Filling Material is developed to for foot bolt fastening, steel structure column sole
Back-grouting, concrete structure transformation, reinforcing and the new neck such as the grouting of prestressed reinforced concrete construction reserving hole channel and sealing off and covering anchorage of plate
Domain.
With China's expanding economy, the installation of various large equipments, largely the construction of highly difficult bridges, railway, right
More stringent requirements are proposed for grouting material.Cement-based grouting material used at present, volume contraction is larger, and early strength is low, resistance to
Long property is poor, influences equipment installation and fabric structure stability and durability, therefore, be badly in need of to its performance be improved with it is complete
It is kind, provide technical support for more preferable broader applications.
Invention content
The purpose of the present invention is to provide a kind of high-performance cement base grouting material, the cement-based grouting material vibration-free self-flowings
It is flat it is excellent, early strength is high, microdilatancy ungauged regions, durability are good.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：A kind of high-performance cement base grouting material,
Including cement, complementary cementitious material, semi-hydrated gypsum, fine aggregate, additive and water, wherein the cement is normal silicate
The mixture of cement and low alkalinity sulphur aluminosilicate cement, the complementary cementitious material are flyash, slag and silicon ash
Mixture, the additive include the mixture of water-reducing agent, early strength agent, retarder and antifoaming agent.
Further, high-performance cement base grouting material of the present invention, includes the component of following proportion by weight：It is general
Logical portland cement 20~30, low alkalinity sulphur aluminosilicate cement 5~10, flyash 3~5, slag 5~8, silicon ash 4~6, half
Water gypsum 5~10, fine aggregate 40~60, water-reducing agent 0.1~0.7, early strength agent 0.2~2.0, antifoaming agent 0.1~1.0, retarder
0.1~0.3, water 12~20.
The strength grade of Portland cement of the present invention and the low alkalinity sulphur aluminosilicate cement is not
Less than 42.5 grades.
Flyash of the present invention is preferably I grades of flyash, and the slag is preferably levigate granulated blast-furnace slag,
The specific surface area of the silicon ash is preferably greater than 4000cm2/g。
Semi-hydrated gypsum of the present invention is preferably α or β semi-hydrated gypsums.
Fine aggregate of the present invention is preferably fine sand or middle sand, and fineness modulus is preferably 1.8~2.8.
Water-reducing agent of the present invention is preferably polycarboxylate water-reducer dry powder；The early strength agent is preferably sodium aluminate, carbon
One or more of sour lithium and anhydrous sodium sulfate；The retarder is preferably citric acid, tartaric acid and sodium gluconate
It is one or more of；The antifoaming agent is preferably one or both of organic silicon antifoaming agent and polyethers antifoaming agent.
The preparation method of high-performance cement base grouting material in the present invention, includes the following steps：It is common to choose each raw material
Portland cement, low alkalinity sulphur aluminosilicate cement, flyash, slag, silicon ash, semi-hydrated gypsum, fine aggregate, water-reducing agent, morning are strong
Agent, antifoaming agent, retarder and water are stirred and obtain high-performance cement base grouting material.
Compared with prior art, the invention has the advantages that：
(1) the flat self-compaction of high-performance cement base grouting material energy vibration-free self-flowing provided by the invention has microdilatancy, volume
The advantages that stability is good, and compression strength is high；
(2) have in Portland cement, low-alkalinity sulphoaluminate cement and semi-hydrated gypsum ternary system in the present invention good
Good proportion relation, on the one hand since low-alkalinity sulphoaluminate cement and gypsum have certain expansion, and normal silicate water
Mud contraction is larger, therefore ratio is closely related between cement-based grouting material volume stability and ternary system, leads in the present invention
Cross the proportion by weight relationship 1 between having determined ternary system：0.2~0.4：0.2~0.4, to reach cement-based grout
Material is without the good purpose of receiving, volume stability；On the other hand, low-alkalinity sulphoaluminate cement and gypsum content are relatively high,
Coagulant is added simultaneously, to promote early strength to develop, to meet rapid construction requirement.
Specific implementation mode
In following embodiment, the strength grade of Portland cement and low alkalinity sulphur aluminosilicate cement is not less than
42.5 grades, slag is levigate granulated blast-furnace slag, and flyash is I grades of flyash, and silicon ash specific surface area is more than 4000cm2/
G, semi-hydrated gypsum are α or β semi-hydrated gypsums, and fine aggregate is fine sand or middle sand, and fineness modulus is 1.8~2.8, and water-reducing agent is poly- carboxylic
Sour water-reducing agent dry powder, early strength agent are one or more of sodium aluminate, lithium carbonate and anhydrous sodium sulfate, retarder be citric acid,
The one or more of tartaric acid and sodium gluconate, antifoaming agent be organic silicon antifoaming agent and one kind in polyethers antifoaming agent or
Two kinds.
Unit is mass parts in following embodiment.
Embodiment 1
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 20, low alkalinity sulphur aluminosilicate cement 5, flyash 3, slag 5, silicon ash 4, semi-hydrated gypsum 5, fine aggregate 58, water-reducing agent
0.1, early strength agent 0.2, antifoaming agent 0.1, retarder 0.1, water 15.
The preparation method of the high-performance cement base grouting material is as follows：By above-mentioned dosage relation, each raw material ordinary silicon is chosen
Acid salt cement, low alkalinity sulphur aluminosilicate cement, flyash, slag, silicon ash, semi-hydrated gypsum, fine aggregate, water-reducing agent, early strength agent,
Antifoaming agent, retarder and water are stirred and obtain high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 1 below.
The performance indicator of 1 the present embodiment high-performance cement base grouting material of table
Embodiment 2
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 30, low alkalinity sulphur aluminosilicate cement 10, flyash 5, slag 8, silicon ash 6, semi-hydrated gypsum 10, fine aggregate 40, diminishing
Agent 0.7, early strength agent 1.0, antifoaming agent 1.0, retarder 0.3, water 12.
The preparation method is the same as that of Example 1 for the high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 2 below.
The performance indicator of 2 the present embodiment high-performance cement base grouting material of table
Embodiment 3
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 25, low alkalinity sulphur aluminosilicate cement 8, flyash 4, slag 6, silicon ash 5, semi-hydrated gypsum 8, fine aggregate 54, water-reducing agent
0.5, early strength agent 1.0, antifoaming agent 0.5, retarder 0.2, water 15.
The preparation method is the same as that of Example 1 for the high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 3 below.
The performance indicator of 3 the present embodiment high-performance cement base grouting material of table
Embodiment 4
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 28, low alkalinity sulphur aluminosilicate cement 6, flyash 4, slag 7, silicon ash 4, semi-hydrated gypsum 9, fine aggregate 52, water-reducing agent
0.6, early strength agent 1.2, antifoaming agent 0.4, retarder 0.3, water 18.
The preparation method is the same as that of Example 1 for the high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 4 below.
The performance indicator of 4 the present embodiment high-performance cement base grouting material of table
Embodiment 5
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 24, low alkalinity sulphur aluminosilicate cement 6, flyash 5, slag 8, silicon ash 6, semi-hydrated gypsum 8, fine aggregate 43, water-reducing agent
0.2, early strength agent 1.5, antifoaming agent 0.4, retarder 0.3, water 14.
The preparation method is the same as that of Example 1 for the high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 5 below.
The performance indicator of 5 the present embodiment high-performance cement base grouting material of table
Embodiment 6
High-performance cement base grouting material provided in this embodiment, includes the component of following proportion by weight：Common silicic acid
Salt cement 29, low alkalinity sulphur aluminosilicate cement 6, flyash 3, slag 8, silicon ash 4, semi-hydrated gypsum 6, fine aggregate 44, water-reducing agent
0.3, early strength agent 0.8, antifoaming agent 0.7, retarder 0.2, water 17.
The preparation method is the same as that of Example 1 for the high-performance cement base grouting material.
Manufactured high-performance cement base grouting material, performance indicator are as shown in table 6 below.
The performance indicator of 6 the present embodiment high-performance cement base grouting material of table
Each component cited by the present invention, and the bound of each component of the present invention, section value can realize the present invention,
Embodiment numerous to list herein.A part of specific embodiment is enumerated above, and the present invention will be described, it is necessary to it is pointed out here that
Be that specific embodiment is served only for that the present invention is further illustrated up and down, do not represent limiting the scope of the invention.
Other people still fall within protection scope of the present invention according to some nonessential modifications and adjustment that the present invention makes.
Claims (7)
1. a kind of high-performance cement base grouting material, it is characterized in that：Including cement, complementary cementitious material, semi-hydrated gypsum, thin collection
Material, additive and water, wherein the cement is the mixture of Portland cement and low alkalinity sulphur aluminosilicate cement, institute
The complementary cementitious material stated be flyash, slag and silicon ash mixture, the additive include water-reducing agent, early strength agent,
The mixture of retarder and antifoaming agent.
2. high-performance cement base grouting material according to claim 1, it is characterized in that including the group of following proportion by weight
Point：Portland cement 20~30, low alkalinity sulphur aluminosilicate cement 5~10, flyash 3~5, slag 5~8, silicon ash 4~
6, semi-hydrated gypsum 5~10, fine aggregate 40~60, water-reducing agent 0.1~0.7, early strength agent 0.2~2.0, antifoaming agent 0.1~1.0, slow
Solidifying agent 0.1~0.3, water 12~20.
3. high-performance cement base grouting material according to claim 1 or 2, it is characterized in that：The normal silicate water
The strength grade of mud and the low alkalinity sulphur aluminosilicate cement is not less than 42.5 grades.
4. high-performance cement base grouting material according to claim 1 or 2, it is characterized in that：The flyash is I grades of powder
Coal ash, the slag are levigate granulated blast-furnace slag, and the specific surface area of the silicon ash is more than 4000cm2/g。
5. high-performance cement base grouting material according to claim 1 or 2, it is characterized in that：The semi-hydrated gypsum be α or
β semi-hydrated gypsums.
6. high-performance cement base grouting material according to claim 1 or 2, it is characterized in that：The fine aggregate is fine sand
Or middle sand, fineness modulus are 1.8~2.8.
7. high-performance cement base grouting material according to claim 1 or 2, it is characterized in that：The water-reducing agent is poly- carboxylic
Sour water-reducing agent dry powder；The early strength agent is one or more of sodium aluminate, lithium carbonate and anhydrous sodium sulfate；The slow setting
Agent is the one or more of citric acid, tartaric acid and sodium gluconate；The antifoaming agent is organic silicon antifoaming agent and polyethers
One or both of class antifoaming agent.
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| CN201810030899.XA CN108558335A (en) | 2018-01-12 | 2018-01-12 | A kind of high-performance cement base grouting material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467377A (en) * | 2018-11-21 | 2019-03-15 | 上海力阳道路加固科技股份有限公司 | A kind of super hardening one-component injecting paste material |
| CN111285629A (en) * | 2020-03-24 | 2020-06-16 | 天津水泥工业设计研究院有限公司 | Low-shrinkage ultrahigh-performance concrete and preparation method thereof |
| CN112321233A (en) * | 2020-11-06 | 2021-02-05 | 中国铁建股份有限公司 | Ordinary support-free permanent template frame and preparation method thereof |
| CN112341124A (en) * | 2020-10-19 | 2021-02-09 | 同济大学 | Light grouting material for repairing hollowing of wall heat insulation system and preparation method thereof |
| CN114988791A (en) * | 2022-05-16 | 2022-09-02 | 江西省建材科研设计院有限公司 | Flue grouting material doped with sulfur-rich lithium slag and preparation method and application thereof |
| CN115073041A (en) * | 2021-03-11 | 2022-09-20 | 北京都市绿源环保科技有限公司 | Additive for controllable low-strength backfill material and preparation method thereof |
| CN115925374A (en) * | 2022-11-24 | 2023-04-07 | 临海市忠信新型建材有限公司 | Quick-hardening early-strength cement-based grouting material for stabilizing bridge support base plate and preparation method thereof |
| CN116535174A (en) * | 2023-05-12 | 2023-08-04 | 经纬建材有限公司 | Asphalt-simulated rapid-hardening self-compaction inspection well cover mounting material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467377A (en) * | 2018-11-21 | 2019-03-15 | 上海力阳道路加固科技股份有限公司 | A kind of super hardening one-component injecting paste material |
| CN111285629A (en) * | 2020-03-24 | 2020-06-16 | 天津水泥工业设计研究院有限公司 | Low-shrinkage ultrahigh-performance concrete and preparation method thereof |
| CN112341124A (en) * | 2020-10-19 | 2021-02-09 | 同济大学 | Light grouting material for repairing hollowing of wall heat insulation system and preparation method thereof |
| CN112321233A (en) * | 2020-11-06 | 2021-02-05 | 中国铁建股份有限公司 | Ordinary support-free permanent template frame and preparation method thereof |
| CN115073041A (en) * | 2021-03-11 | 2022-09-20 | 北京都市绿源环保科技有限公司 | Additive for controllable low-strength backfill material and preparation method thereof |
| CN114988791A (en) * | 2022-05-16 | 2022-09-02 | 江西省建材科研设计院有限公司 | Flue grouting material doped with sulfur-rich lithium slag and preparation method and application thereof |
| CN115925374A (en) * | 2022-11-24 | 2023-04-07 | 临海市忠信新型建材有限公司 | Quick-hardening early-strength cement-based grouting material for stabilizing bridge support base plate and preparation method thereof |
| CN116535174A (en) * | 2023-05-12 | 2023-08-04 | 经纬建材有限公司 | Asphalt-simulated rapid-hardening self-compaction inspection well cover mounting material |
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Application publication date: 20180921 |