CN108585697A - A kind of high temperature resistant ungauged regions early-strength grouting material and its application - Google Patents
A kind of high temperature resistant ungauged regions early-strength grouting material and its application Download PDFInfo
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- CN108585697A CN108585697A CN201810757532.8A CN201810757532A CN108585697A CN 108585697 A CN108585697 A CN 108585697A CN 201810757532 A CN201810757532 A CN 201810757532A CN 108585697 A CN108585697 A CN 108585697A
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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
- C04B28/04—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
- C04B2111/70—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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
-
- 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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- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of high temperature resistant ungauged regions early-strength grouting material and its applications, are related to grouting material technical field, this kind of grouting material includes following raw material：Portland pozzolana cement 32.5R, calcium titanium flotation tailing, illite powder, oyster shell whiting, shale pottery, 05 rubber powders of Swf, water-reducing agent, hydrophober, swelling agent, rare-earth coupling agent, magnetized water.The grouting material of the present invention in physical property, frost resistance, heat-resisting quantity, mobility, mechanical strength etc. on all have and significantly promoted comprehensively, obviously, application is good, and service life is long for progress compared with prior art.
Description
Technical field
The present invention relates to grouting material technical fields, and in particular to a kind of high temperature resistant ungauged regions early-strength grouting material.
Background technology
Grouting material be using high-strength material as aggregate, using cement as bonding agent, be aided with upper flow regime, microdilatancy, prevent from
The substances such as analysis are formulated.It adds a certain amount of water of people at the construction field (site), can be used after stirring evenly.Grouting material has gravity flow
Property good, fast hard, early strong, high-strength, ungauged regions, microdilatancy；It is nontoxic, harmless, not aging, pollution-free to water quality and ambient enviroment, from
The features such as close property is good, antirust.There is reliable in quality in construction party face, the advantages that reducing cost, shorten the construction period and is easy to use.From
Fundamentally change plant bottom case stressing conditions, is allowed to equably bear the whole load of equipment, to meet various machineries, electric appliance
The installation requirement of equipment (jumbo high-precision grinder) is the ideal grouting material without the pad installation epoch.Nowadays cement base fills
Slurry has been widely studied and has applied as common repairing and reinforcing material.In recent years, with China's infrastructure scale
Increase, the use scope of grouting material is also extended to the fields such as electric power, harbour, ocean comprehensively.
The patent application of Publication No. CN104402345A discloses a kind of micro- swollen high-strength grout of big fluidised form, Qi Geyuan
Material is cement 23%~34%, microballon 3%~5%, phosphorus slag composite powder 5%~7.5%, silicon ash 2.5% by mass percentage
~3.5%, silica flour 2.5%~3.5%, fine aggregate 46%~55%, water-reducing agent 0.7%~1%, antifoaming agent 0.01%~
0.03%, swelling agent 2.5%~3.5%, early strength agent 0.5%~1%.This kind of grouting material has preferable mobility and intensity,
But its temperature tolerance is poor, application is restricted.
The patent application of Publication No. CN104230275A discloses a kind of high strength and no shrinting building grouting material, by following
The raw material of parts by weight is made：35 parts of portland cement, 25 parts of the cast waste sand that grain size is 100~130 μm, grain size are 1~6 μm
13 parts of palygorskite, 9 parts of the serpentine that grain size is 40~55 μm, 4 parts of barium silicate, 2 parts of the iron powder that grain size is 8~15 μm, dioxane
1.5 parts of base zinc dithiophosphate, 3.5 parts of guar gum, 1 part of polycarboxylic acids buck agent.This kind of grouting material is to reinforcing bar non-corroding, oil resistant
Dirt, but its poor fluidity, application are restricted.
Currently, it is also less to the research of PWR nuclear power plant Equipment Foundations grouting material, to solving compressed water reactor nuclear power plant
The product of the grouting quality problem on basis is less.Therefore, increasing with construction such as pressurized-water reactor nuclear power plant, power equipments, research and development
A kind of PWR nuclear power plant Equipment Foundations grouting material of high comprehensive performance quite it is necessary to.
Invention content
The purpose of the present invention is to provide a kind of high temperature resistant ungauged regions early-strength grouting material, this kind of grouting material prepares simple side
Just, high comprehensive performance.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of high temperature resistant ungauged regions early-strength grouting material, is made of following raw material by weight：
64 parts of Portland pozzolana cement 32.5R；
32 parts of calcium titanium flotation tailing；
14 parts of illite；
11 parts of oyster shell whiting；
16 parts of shale pottery；
8.5 parts of Swf-05 rubber powders；
3 parts of water-reducing agent；
2.7 parts of hydrophober；
2.1 parts of swelling agent；
1.8 parts of rare-earth coupling agent；
24 parts of magnetized water.
Preferably, above-mentioned water-reducing agent is two kinds of poly carboxylic acid series water reducer, calcium lignosulfonate compositions according to mass ratio (1-
3):What (3-5) merging obtained.
Further, above-mentioned water-reducing agent is two kinds of poly carboxylic acid series water reducer, calcium lignosulfonate compositions according to mass ratio
2.5:What 4.5 merging obtained.
Preferably, above-mentioned hydrophober be ferric trichloride, calcium chloride, aluminum sulfate, four kinds of SHP-50 organosilicon hydrophobics powder at
Part is according to mass ratio (1-3):(1-2):(1-2):What (4-8) merging obtained.
Further, above-mentioned hydrophober is ferric trichloride, calcium chloride, aluminum sulfate, four kinds of SHP-50 organosilicon hydrophobics powder
Composition is according to mass ratio 2.5:1.8:1.8:What 7 merging obtained.
Preferably, above-mentioned swelling agent is calcium oxide swelling agent, three kinds of alumite plumping agent, sulphoaluminate expander compositions are pressed
According to mass ratio (2-4):(1-2):What (1-3) merging obtained.
Further, above-mentioned swelling agent is three kinds of calcium oxide swelling agent, alumite plumping agent, sulphoaluminate expander compositions
According to mass ratio 3.5:1.7:What 2.5 merging obtained.
Further, the preparation method of above-mentioned grouting material is as follows：
Step 1：Raw material is weighed by weight, and calcium titanium flotation tailing, illite, shale pottery co-grinding are ground to carefully
Degree is that 270 mesh sieve, and obtains material A；Oyster shell whiting is ground to fineness to sieve for 310 mesh, then the oyster shell whiting after grinding is added to volcano
It mills in grey matter portland cement uniformly, obtains material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 15min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 20min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 41 DEG C, is subsequently added in material C, and in stirrer for mixing
4.5min is stirred, under stirring condition, water-reducing agent is added again, 4.5min is mixed, finally sequentially add swelling agent, hydrophober
54min is mixed, the speed of agitator of the blender is 180r/min.
Preferably, above-mentioned Swf-05 rubber powders are produced by Shanxi three-dimensional group.
Above-mentioned high temperature resistant ungauged regions early-strength grouting material is applied to PWR nuclear power plant safety equipment foundation grouting.
The present invention has following advantageous effect：The grouting material of the present invention passes through to the ingenious selection of raw materials for production and its system
The inventive improvements of standby technique, Portland pozzolana cement, calcium titanium flotation tailing, illite powder, oyster shell whiting, shale in raw material
The cooperative interaction of the compositions such as pottery sand makes finished product slurry obtained have following activity beneficial：
(1) physical property：Good fluidity, levelling effect is good, ungauged regions defect or problem of Cracking, and vertical dilatancy is stablized,
Compactness is high, and the presetting period is long, high to gap filling rate, easy to implement efficient；
(2) mechanical property：Compression strength is high, can implement to reach 50MPa or more in first day, reach 70MPa in third day
More than, 90MPa or more was reached at the 28th day, and high to steel and metal material bond strength, it is adaptable；
(3) other performance：Freeze proof high temperature resistant, thermal shock resistance is excellent, and to contactant non-corroding, resistance to greasy dirt, weather resistance is good, makes
With long lifespan, application field occasion is extensive.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
It all raw materials in embodiment and its produces composition and can be obtained by disclosed commercially available channel；
Wherein, Swf-05 rubber powders are produced by Shanxi three-dimensional group；
Poly carboxylic acid series water reducer is produced by Jiangsu Subotexin Material Co., Ltd.
Embodiment 1
The present embodiment is related to a kind of high temperature resistant ungauged regions early-strength grouting material and preparation method thereof, and the grouting material by pressing below
The raw material of parts by weight meter forms：
59 parts of Portland pozzolana cement 32.5R；
25 parts of calcium titanium flotation tailing；
10 parts of illite；
8 parts of oyster shell whiting；
10 parts of shale pottery；
7 parts of Swf-05 rubber powders；
2 parts of water-reducing agent；
2 parts of hydrophober；
1.5 parts of swelling agent；
1 part of rare-earth coupling agent；
18 parts of magnetized water.
The selection of water-reducing agent, hydrophober, swelling agent obtains as shown in table 1 below in above-mentioned raw materials：
Table 1
The preparation method of above-mentioned grouting material substantially follows the steps below：
Step 1：Above-mentioned raw materials are weighed by weight, by calcium titanium flotation tailing therein, illite, shale pottery mixed powder
Breakdown mill is sieved to fineness for 240 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 280 mesh, then by the oyster shell whiting after grinding
It is added in Portland pozzolana cement and mills uniformly, obtain material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 12min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 17min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 38 DEG C, is subsequently added in material C, and in stirrer for mixing
3min is stirred, under stirring condition, water-reducing agent is added again, 3min is mixed, finally sequentially add swelling agent, hydrophober mixing
50min is stirred, the speed of agitator of blender is 250r/min in preparation process.
Embodiment 2
The present embodiment is related to a kind of high temperature resistant ungauged regions early-strength grouting material and preparation method thereof, and the grouting material by pressing below
The raw material of parts by weight meter forms：
62 parts of Portland pozzolana cement 32.5R；
28 parts of calcium titanium flotation tailing；
12 parts of illite；
9 parts of oyster shell whiting；
14 parts of shale pottery；
7.5 parts of Swf-05 rubber powders；
2.5 parts of water-reducing agent；
2.3 parts of hydrophober；
1.7 parts of swelling agent；
1.4 parts of rare-earth coupling agent；
20 parts of magnetized water.
The selection of water-reducing agent, hydrophober, swelling agent obtains as shown in table 2 below in above-mentioned raw materials：
Table 2
The preparation method of above-mentioned grouting material substantially follows the steps below：
Step 1：Above-mentioned raw materials are weighed by weight, by calcium titanium flotation tailing therein, illite, shale pottery mixed powder
Breakdown mill is sieved to fineness for 250 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 290 mesh, then by the oyster shell whiting after grinding
It is added in Portland pozzolana cement and mills uniformly, obtain material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 13min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 18min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 39 DEG C, is subsequently added in material C, and in stirrer for mixing
3.5min is stirred, under stirring condition, water-reducing agent is added again, 3.5min is mixed, finally sequentially add swelling agent, hydrophober
52min is mixed, the speed of agitator of blender is 240r/min in preparation process.
Embodiment 3
The present embodiment is related to a kind of high temperature resistant ungauged regions early-strength grouting material and preparation method thereof, and the grouting material by pressing below
The raw material of parts by weight meter forms：
63 parts of Portland pozzolana cement 32.5R；
30 parts of calcium titanium flotation tailing；
13 parts of illite；
10 parts of oyster shell whiting；
15 parts of shale pottery；
8 parts of Swf-05 rubber powders；
2.8 parts of water-reducing agent；
2.5 parts of hydrophober；
1.9 parts of swelling agent；
1.6 parts of rare-earth coupling agent；
22 parts of magnetized water.
The selection of water-reducing agent, hydrophober, swelling agent obtains as shown in table 3 below in above-mentioned raw materials：
Table 3
The preparation method of above-mentioned grouting material substantially follows the steps below：
Step 1：Above-mentioned raw materials are weighed by weight, by calcium titanium flotation tailing therein, illite, shale pottery mixed powder
Breakdown mill is sieved to fineness for 260 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 300 mesh, then by the oyster shell whiting after grinding
It is added in Portland pozzolana cement and mills uniformly, obtain material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 14min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 19min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 40 DEG C, is subsequently added in material C, and in stirrer for mixing
4min is stirred, under stirring condition, water-reducing agent is added again, 4min is mixed, finally sequentially add swelling agent, hydrophober mixing
53min is stirred, the speed of agitator of blender is 200r/min in preparation process.
Embodiment 4
The present embodiment is related to a kind of high temperature resistant ungauged regions early-strength grouting material and preparation method thereof, and the grouting material by pressing below
The raw material of parts by weight meter forms：
64 parts of Portland pozzolana cement 32.5R；
32 parts of calcium titanium flotation tailing；
14 parts of illite；
11 parts of oyster shell whiting；
16 parts of shale pottery；
8.5 parts of Swf-05 rubber powders；
3 parts of water-reducing agent；
2.7 parts of hydrophober；
2.1 parts of swelling agent；
1.8 parts of rare-earth coupling agent；
24 parts of magnetized water.
The selection of water-reducing agent, hydrophober, swelling agent obtains as shown in table 4 below in above-mentioned raw materials：
Table 4
The preparation method of above-mentioned grouting material substantially follows the steps below：
Step 1：Above-mentioned raw materials are weighed by weight, by calcium titanium flotation tailing therein, illite, shale pottery mixed powder
Breakdown mill is sieved to fineness for 270 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 310 mesh, then by the oyster shell whiting after grinding
It is added in Portland pozzolana cement and mills uniformly, obtain material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 15min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 20min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 41 DEG C, is subsequently added in material C, and in stirrer for mixing
4.5min is stirred, under stirring condition, water-reducing agent is added again, 4.5min is mixed, finally sequentially add swelling agent, hydrophober
54min is mixed, the speed of agitator of blender is 180r/min in preparation process.
Embodiment 5
The present embodiment is related to a kind of high temperature resistant ungauged regions early-strength grouting material and preparation method thereof, and the grouting material by pressing below
The raw material of parts by weight meter forms：
67 parts of Portland pozzolana cement 32.5R；
35 parts of calcium titanium flotation tailing；
16 parts of illite；
12 parts of oyster shell whiting；
20 parts of shale pottery；
9 parts of Swf-05 rubber powders；
3.5 parts of water-reducing agent；
3 parts of hydrophober；
2.5 parts of swelling agent；
2 parts of rare-earth coupling agent；
26 parts of magnetized water.
The selection of water-reducing agent, hydrophober, swelling agent obtains as shown in table 5 below in above-mentioned raw materials：
Table 5
The preparation method of above-mentioned grouting material substantially follows the steps below：
Step 1：Above-mentioned raw materials are weighed by weight, by calcium titanium flotation tailing therein, illite, shale pottery mixed powder
Breakdown mill is sieved to fineness for 280 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 320 mesh, then by the oyster shell whiting after grinding
It is added in Portland pozzolana cement and mills uniformly, obtain material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 16min of 1/2 weight is first added, then in stirring bar
Material B is poured under part, persistently stirs 21min；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later,
Material C is obtained after being sufficiently stirred；
Step 3：It takes the magnetized water of remaining weight to be heated to 42 DEG C, is subsequently added in material C, and in stirrer for mixing
5min is stirred, under stirring condition, water-reducing agent is added again, 5min is mixed, finally sequentially add swelling agent, hydrophober mixing
55min is stirred, the speed of agitator of blender is 150r/min in preparation process.
Comparative example 1
This comparative example is related to a kind of grouting material, relative to embodiment 1, by Portland pozzolana cement 32.5R in raw material
It is substituted for Portland cement 32.5R, other raw materials and content and the preparation method of grouting material is same as Example 1；It is right
Ratio 2
This comparative example is related to a kind of grouting material, relative to embodiment 2, there is only the difference of water-reducing agent ingredient, other raw materials
And content and the preparation method of grouting material it is same as Example 2；
The ingredient of water-reducing agent is in this comparative example：Sulfamate water reducer.
Comparative example 3
This comparative example is related to a kind of grouting material, relative to embodiment 3, there is only the difference of hydrophober ingredient, other raw materials
And content and the preparation method of grouting material it is same as Example 3；
The ingredient of hydrophober is in this comparative example：SHP-50 organosilicon hydrophobic powder.
Comparative example 4
This comparative example is related to a kind of grouting material, relative to embodiment 4, there is only the difference of swelling agent ingredient, other raw materials
And content and the preparation method of grouting material it is same as Example 4；
The ingredient of swelling agent is in this comparative example：UEA swelling agents.
Comparative example 5
This comparative example is related to a kind of grouting material, and relative to embodiment 5, which reduce the additions of rare-earth coupling agent.
Comparative example 6
This comparative example is related to a kind of grouting material, relative to embodiment 5, there is only the difference of preparation method, material composition and
Content is same as Example 5：
The preparation method of this comparative example grouting material is as follows：
Step 1：Raw material is weighed by weight, and calcium titanium flotation tailing therein, illite, shale pottery co-grinding are ground
It is milled to fineness to sieve for 280 mesh, obtains material A；Oyster shell whiting is ground to fineness to sieve for 320 mesh, then the oyster shell whiting after grinding is added
To milling in Portland pozzolana cement uniformly, material B is obtained；
Step 2：Material A, material B and remaining other raw materials are taken to be added jointly to stirrer for mixing stirring 1.5h i.e.
Can, the speed of agitator of blender is 150r/min in preparation process.
Comparative example 7
This comparative example is related to a kind of common electric power factory equipment foundation grouting material, the grouting material be include it is following by weight
Raw material：
60 parts of Portland cement 32.5R, 25 parts of slag powders, 15 parts of dicalcium powder, 8.5 parts of silicon ash, 12 parts of quartz sand,
1 part of 10 parts of aggregate, 2.5 parts of sulfamate water reducer, 1.5 parts of UEA swelling agents, 3 parts of redispersable latex powder and antifoaming agent.
Performance detection
To verify the advantageous effect of the present invention, grouting material made from above-described embodiment 1-5 and comparative example 1-7 is carried out as follows
The detection of 7 performance indicator of table 6 and table, correspondence is named as #1-#5 to the grouting material of embodiment 1-5 respectively in following procedure, compares
Correspondence is named as #6-#12 to the grouting material of example 1-6 respectively in following procedure；
Wherein, flow cone time, fluidity, vertical expansion ratio, bleeding rate, presetting period, compression strength, grip are strong
Degree, to reinforcing bar, whether there is or not the detection methods of action of rust and standard reference《NB/T 20125-2012》；
Compressive strength rate, frost resistance, the detection method of heat-resisting quantity and standard reference《GB/T 50448-2015》；
Frost resistance：Subzero 10 DEG C of constructions, compressive strength rate；
Heat-resisting quantity：200-500 DEG C of hot environment；
Table 6
Table 7
In conjunction with upper table 6 and table 7 it is found that the present invention grouting material relative to comparative example the physical property of material, frost resistance,
Heat-resisting quantity, mobility, in mechanical strength etc. on all have and significantly promoted comprehensively, progress is apparent compared with prior art,
And the test experience setting of comparative example 1-6 is even more to demonstrate the technical scheme of the present invention (system of material component and grouting material product
Preparation Method) do not have apparent property.
In conjunction with beneficial effects of the present invention, applicant carries out the preparation method of part composition and grouting material in the present invention
It is following to illustrate：
(1) water-reducing agent：The water-reducing agent of the present invention is that the property requirements of grouting material raw materials for production make, very
Good adaptation grouting material raw material preparation system of the present invention has higher water-reducing rate, and also strong with the phase before and after enhancing grouting material
The advantages that degree improves raw materials for production compatibility, improves finished product grouting material workability, but can the water-reducing agent of the present invention suitable for other
The use of material system grouting material, and corresponding advantageous effect could be obtained and do not learnt, therefore, the water-reducing agent tool in the application
There is uniqueness, in past development process, the preparation that applicant selected various types of water-reducing agents to be applied to the present invention is given birth to
In production, including commercially available common fatty family water-reducing agent, naphthalene water reducer, sulfamate based water reducer etc., but do not obtain
The effect of the invention finally wanted is obtained, the connected applications of even above-mentioned water-reducing agent also cannot achieve；Forced situation
Under, applicant has purchased according to each raw material composition feature of grouting material of the present invention by Jiangsu Subotexin Material Co., Ltd
The poly carboxylic acid series water reducer combination calcium lignosulfonate of production obtains the compound water-reducing agent in the application, and achieves meaning
Unimaginable effect.If the change of the composition of water-reducing agent or/and content in the present invention, can lead to beneficial effects of the present invention
It cannot realize well.
(2) swelling agent：The type of swelling agent is more, using most for UEA swelling agents, but its higher price, contain
The a variety of complicated expansion sources having are in the preparation system applied to grouting material of the present invention and unstable and suitable, can not obtain Shen
It asks someone expected technique effect；Then, applicant is having been surprisingly found that after many experiments, by calcium oxide swelling agent, alunite
Three kinds of swelling agent, sulphoaluminate expander compositions are according to mass ratio (2-4):(1-2):(1-3) merging collaboration utilizes can not only
It achieves the object of the present invention, improves the overall performance of grouting material, and at low cost, prepare reaction process and stablize, it is efficient, it obtains
Unexpected effect；If the change of the composition of swelling agent or/and content in the present invention, can cause the present invention it is beneficial
Effect cannot be realized well.
(3) hydrophober：Likewise, the selection of hydrophober composition of the present invention is not arbitrarily to obtain or there is originally,
It is also what applicant was obtained by many experiments, in development, applicant has been surprisingly found that ferric trichloride, calcium chloride, aluminum sulfate, SHP-
50 four kinds of organosilicon hydrophobic powder composition collaborative combinations use, and more suitable for the preparation system of grouting material of the present invention, use
Two kinds of compositions are stated according to mass ratio (1-3):(1-2):(1-2):(4-8), which merges, to be utilized, and each component material can be effectively changed
Surface characteristic, significantly improve water proofing property, stability, weatherability, frost resistance and the service life of grouting material, have it is non-aobvious and
Being clear to property；If the change of the composition of hydrophober or/and content in the present invention, can cause beneficial effects of the present invention cannot be very
Good realization.
Certainly, because of the requirement of the mentality of designing and goal of the invention of grouting material of the present invention, remaining of the invention component selection and
Content selection is obviously also non-obvious, and those skilled in the art combine the prior art that can readily occur in absolutely not.This
Have further embodiment in the preparation method of grouting material of the present invention, in conjunction with the embodiment of the present invention it can be seen that, system of the invention
Preparation Method is designed using three steps, and raw material is added by several times in batches, and step is simple and orderly, rather than conventional using the prior art
It is added at one time (such as comparative example 5), this technique is adapted with the special proportioning of grouting material raw materials for production component of the present invention
, this technique is only used, just can guarantee the excellent specific property for the grouting material finally prepared.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of high temperature resistant ungauged regions early-strength grouting material, which is characterized in that be made of following raw material by weight：
64 parts of Portland pozzolana cement 32.5R；
32 parts of calcium titanium flotation tailing；
14 parts of illite；
11 parts of oyster shell whiting；
16 parts of shale pottery；
8.5 parts of Swf-05 rubber powders；
3 parts of water-reducing agent；
2.7 parts of hydrophober；
2.1 parts of swelling agent；
1.8 parts of rare-earth coupling agent；
24 parts of magnetized water.
2. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 1, which is characterized in that the water-reducing agent is
Two kinds of poly carboxylic acid series water reducer, calcium lignosulfonate compositions are according to mass ratio (1-3):What (3-5) merging obtained.
3. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 2, which is characterized in that the water-reducing agent is
Two kinds of poly carboxylic acid series water reducer, calcium lignosulfonate compositions are according to mass ratio 2.5:What 4.5 merging obtained.
4. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 3, which is characterized in that the hydrophober is
Four kinds of ferric trichloride, calcium chloride, aluminum sulfate, SHP-50 organosilicon hydrophobics powder compositions are according to mass ratio (1-3):(1-2):(1-
2):What (4-8) merging obtained.
5. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 4, which is characterized in that the hydrophober is
Four kinds of ferric trichloride, calcium chloride, aluminum sulfate, SHP-50 organosilicon hydrophobics powder compositions are according to mass ratio 2.5:1.8:1.8:7 close
And obtain.
6. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 5, which is characterized in that the swelling agent is
Three kinds of calcium oxide swelling agent, alumite plumping agent, sulphoaluminate expander compositions are according to mass ratio (2-4):(1-2):(1-3) is closed
And obtain.
7. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 6, which is characterized in that the swelling agent is
Three kinds of calcium oxide swelling agent, alumite plumping agent, sulphoaluminate expander compositions are according to mass ratio 3.5:1.7:2.5 merging obtain
's.
8. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 7, which is characterized in that the grouting material
Preparation method is as follows：
Step 1：Raw material is weighed by weight, and calcium titanium flotation tailing, illite, shale pottery co-grinding, which are ground to fineness, is
270 mesh sieve, and obtain material A；Oyster shell whiting is ground to fineness to sieve for 310 mesh, then the oyster shell whiting after grinding is added to volcano grey matter
It mills in portland cement uniformly, obtains material B；
Step 2：It takes material A to be poured into blender, the magnetized water stirring 15min of 1/2 weight is first added, then under agitation
Material B is poured into, 20min is persistently stirred；Swf-05 rubber powders, rare-earth coupling agent are added sequentially in blender again later, fully
Material C is obtained after stirring；
Step 3：It takes the magnetized water of remaining weight to be heated to 41 DEG C, is subsequently added in material C, and stirred in stirrer for mixing
4.5min under stirring condition, is added water-reducing agent and 4.5min is mixed, finally sequentially adds swelling agent, hydrophober mixing again
54min is stirred, the speed of agitator of the blender is 180r/min.
9. a kind of high temperature resistant ungauged regions early-strength grouting material according to claim 1, which is characterized in that the Swf-05 glue
Powder is produced by Shanxi three-dimensional group.
10. a kind of application according to claim 1-9 any one of them high temperature resistant ungauged regions early-strength grouting materials, feature exists
In the grouting material is applied to PWR nuclear power plant safety equipment foundation grouting.
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| CN109095868A (en) * | 2018-10-25 | 2018-12-28 | 合肥慧林建材有限公司 | A kind of novel bridge distress in concrete grout material |
| CN109279849A (en) * | 2018-10-25 | 2019-01-29 | 合肥慧林建材有限公司 | A kind of preparation method of road and bridge cement base crack grout material |
| CN109336526A (en) * | 2018-10-25 | 2019-02-15 | 合肥慧林建材有限公司 | A kind of high-performance crack grout material and its application |
| CN109912278A (en) * | 2019-03-20 | 2019-06-21 | 内蒙古高远工程科技发展有限公司 | A kind of high performance grouting material and preparation method thereof |
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