CN107117914A - High-strength freeze proof grouting material and preparation method thereof - Google Patents

High-strength freeze proof grouting material and preparation method thereof Download PDF

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Publication number
CN107117914A
CN107117914A CN201710423779.1A CN201710423779A CN107117914A CN 107117914 A CN107117914 A CN 107117914A CN 201710423779 A CN201710423779 A CN 201710423779A CN 107117914 A CN107117914 A CN 107117914A
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China
Prior art keywords
grouting
strength
parts
cement
complex
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Pending
Application number
CN201710423779.1A
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Chinese (zh)
Inventor
郭宗林
王学振
董连成
李伟
姬俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sino-German New Asia Material Of Construction Co Ltd In Zhengzhou
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Sino-German New Asia Material Of Construction Co Ltd In Zhengzhou
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Sino-German New Asia Material Of Construction Co Ltd In Zhengzhou filed Critical Sino-German New Asia Material Of Construction Co Ltd In Zhengzhou
Priority to CN201710423779.1A priority Critical patent/CN107117914A/en
Publication of CN107117914A publication Critical patent/CN107117914A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06Aluminous cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/70Grouts, e.g. injection mixtures for cables for prestressed concrete
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/76Use at unusual temperatures, e.g. sub-zero
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention relates to high-strength freeze proof grouting material of one kind and preparation method thereof, this high-strength freeze proof grouting material is made up of the raw material of following portions by weight, 400 450 parts of complex cement, 400 500 parts of quartz sand, special 40 60 parts of steel fibre, 50 110 parts of pulverized slag powder, 20 40 parts of composite expanding agent, 13 parts of complex accelerator, 2~7 parts of polycarboxylate water-reducer, 0.5~4 part of defoamer, its preparation method is by complex cement, with equipment importing is imported, each pre- homogenizing storehouse is homogenized quartz sand in advance, continuous batching is carried out according to above-mentioned weight proportion, compound is well mixed in forced stirrer again and obtains dry mash, dry mash is imported into finished product homogenizing storehouse afterwards, pack to form finished product automatically using electronic measurement, it is transported to warehouse for finished product, thus obtained high-strength freeze proof grouting material has good fluidity, it is high-strength, microdilatancy, freexing tolerance can be excellent, the characteristics of nonhazardous, can good conformity in operation under psychro-environment.

Description

High-strength freeze proof grouting material and preparation method thereof
Technical field
Grouting material technical field, more particularly to a kind of high-strength freeze proof injection material are installed the present invention relates to wind power equipment basis Material and preparation method thereof.
Background technology
With the development of wind power equipment industry, the grouting of various erection of precast beams and base-plate and pier bearing pad stone Between grouting higher requirement is proposed to grouting material, import grouting material price is high, supply cycle is long, and in the market is similar Product generally existing early strength is relatively low, reduces speed of application, and pulp flow degree is relatively low, influences operable time, does not apply to height Cold environment, can not meet normal performance index request, have a strong impact on construction speed when temperature is relatively low.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of high-strength freeze proof grouting material and preparation method thereof.
The present invention uses following technical scheme:A kind of high-strength freeze proof grouting material, is made up of the raw material of following portions by weight, 400-450 parts of complex cement, 400-500 parts of quartz sand, special steel fibre 40-60 parts, 50-110 parts of pulverized slag powder is combined 20-40 parts of swelling agent, 1-3 parts of complex accelerator, 2~7 parts of polycarboxylate water-reducer, 0.5~4 part of defoamer.
Preferably, the mass ratio of portland cement and sulfate cement is 3 in the complex cement:2.
Preferably, the special steel fibre is mixed by various different in nature steel fibres, described its section of different in nature steel fibre For rectangle, zigzag or falcate.
Preferably, the complex cement is Portland cement and sulfate cement according to 3:2 ratio uniform is mixed Conjunction is formed.
Preferably, the mass ratio of plastic expansion agent and T-60 high polymer cracking resistance swelling agents is 5 in the composite expanding agent: 4。
Preferably, the complex accelerator is 3 according to mass ratio by calcium formate and lithium carbonate:1 well mixed forms.
Preferably, the water reducer is poly- hydroxy acid water reducer.
Preferably, the defoamer is organic silicon defoamer.
The preparation method of high-strength antifreeze grouting material, is made as steps described below:A. complex cement, quartz sand are imported Equipment imports each pre- homogenizing storehouse and is homogenized in advance;B. by complex cement, quartz sand, special steel fibre, pulverized slag powder is multiple Swelling agent is closed, complex accelerator, polycarboxylate water-reducer, defoamer carries out automation continuous batching shape according to constant weight ratio Into compound;C. compound mixed at high speed 3-4 minutes in HZ-20 type forced stirrers, then middling speed mixing are mixed for 5-7 minutes Close uniform dry mash;D. dry mash is imported into finished product homogenizing storehouse, packs to form finished product automatically using electronic measurement, be transported into Product storehouse.
Beneficial effects of the present invention:High-strength antifreeze grouting material of the present invention has good fluidity, high-strength, micro- swollen The characteristics of swollen, excellent freexing tolerance energy, nonhazardous.The present invention by the way that ordinary cement and sulfate cement are optimized into compound use, and The appropriate different in nature steel fibre of addition and appropriate quartz sand and pulverized slag powder so that early strength of the present invention plays fast, after Phase intensity continuous increases, so that the present invention has high-strength function, high efficiency water reducing agent has good adaptation with cement-based material Property, it can be ensured that slurry keeps upper flow regime so that operable time extends, and is easy to construction, and the use of unique complex accelerator is assigned The anti-freezing property for giving this material excellent so that the present invention still can be used normally under psychro-environment, and plastic expansion agent can be very Good compensation early-age shrinkage, T-60 high polymer cracking resistances swelling agent can make up the contraction produced after slurry hardening well, effectively anti- The only generation of material later stage cracking phenomena of the present invention, the addition of organic silicon defoamer can effectively eliminate introduced during stirring harmful Bubble.
Embodiment
In order that being further understood that the feature and technology contents of the present invention, the present invention is done into one with reference to embodiment Walk explanation.
Embodiment 1
A kind of high-strength freeze proof grouting material, it is made up of the raw material of following kilogram of number, complex cement 430kg, quartz sand 450kg, different in nature steel fibre 50kg, pulverized slag powder 75kg, composite expanding agent 35kg, complex accelerator 2kg, polycarboxylic acids diminishing Agent 3.5kg, defoamer 3kg.Portland cement 258kg, sulfate cement 172kg wherein in complex cement;In composite expanding agent Plastic expansion agent 21kg, T-60 high polymer cracking resistance swelling agent 14kg;Calcium formate 1.5kg in complex accelerator, lithium carbonate 0.5kg.
By complex cement, quartz sand, with equipment importing is imported, each pre- homogenizing storehouse is homogenized in advance;Pass through automatic proportioning Equipment sequentially adds special steel fibre, pulverized slag powder, composite expanding agent, complex accelerator, polycarboxylate water-reducer, defoamer Formed compound, then by compound in HZ-20 type forced stirrers mixed at high speed 3-4 minute, then middling speed mix 5-7 minutes must To well mixed dry mash, dry mash is imported into finished product homogenizing storehouse afterwards, packs to form finished product automatically using electronic measurement, transported Deliver to warehouse for finished product.
By the finished product according to GB/T50448-2008《Strength cement-based grouting material application technology specification》The experimental method is carried out End properties detection, and according to GB 50164-92《Standard for quality control of concrete》Carry out finished product anti-freezing property detection, product inspection Survey the results detailed in subordinate list one.
Embodiment 2
A kind of high-strength freeze proof grouting material, it is made up of the raw material of following kilogram of number, complex cement 400kg, quartz sand 450kg, different in nature steel fibre 50kg, pulverized slag powder 105kg, composite expanding agent 35kg, complex accelerator 2.5kg, polycarboxylic acids Water reducer 3kg, defoamer 3kg.Portland cement 240kg, sulfate cement 160kg wherein in complex cement;Composite expanding agent Middle plastic expansion agent 19.4kg, T-60 high polymer cracking resistance swelling agent 15.6kg;Calcium formate 1.87kg in complex accelerator, lithium carbonate 0.63kg。
By complex cement, quartz sand, with equipment importing is imported, each pre- homogenizing storehouse is homogenized in advance;Pass through automatic proportioning Equipment sequentially adds special steel fibre, pulverized slag powder, composite expanding agent, complex accelerator, polycarboxylate water-reducer, defoamer Formed compound, then by compound in HZ-20 type forced stirrers mixed at high speed 3-4 minute, then middling speed mix 5-7 minutes must To well mixed dry mash, dry mash is imported into finished product homogenizing storehouse afterwards, packs to form finished product automatically using electronic measurement, transported Deliver to warehouse for finished product.
By the finished product according to GB/T50448-2008《Strength cement-based grouting material application technology specification》The experimental method is carried out End properties detection, and according to GB 50164-92《Standard for quality control of concrete》Carry out finished product anti-freezing property detection, product inspection Survey the results detailed in subordinate list one.
Embodiment 3
A kind of high-strength freeze proof grouting material, it is made up of the raw material of following kilogram of number, complex cement 430kg, quartz sand 450kg, different in nature steel fibre 60kg, pulverized slag powder 75kg, composite expanding agent 35kg, complex accelerator 1.5kg, polycarboxylic acids subtracts Aqua 2.5kg, defoamer 3.5kg.Portland cement 258kg, sulfate cement 172kg wherein in complex cement;It is composite expanded Plastic expansion agent 19.4kg, T-60 high polymer cracking resistance swelling agents 15.6kg in agent;Calcium formate 1.13kg in complex accelerator, carbonic acid Lithium 0.37kg.
By complex cement, quartz sand, with equipment importing is imported, each pre- homogenizing storehouse is homogenized in advance;Pass through automatic proportioning Equipment sequentially adds special steel fibre, pulverized slag powder, composite expanding agent, complex accelerator, polycarboxylate water-reducer, defoamer Formed compound, then by compound in HZ-20 type forced stirrers mixed at high speed 3-4 minute, then middling speed mix 5-7 minutes must To well mixed dry mash, dry mash is imported into finished product homogenizing storehouse afterwards, packs to form finished product automatically using electronic measurement, transported Deliver to warehouse for finished product.
By the finished product according to GB/T50448-2008《Strength cement-based grouting material application technology specification》The experimental method is carried out End properties detection, and according to GB 50164-92《Standard for quality control of concrete》Carry out finished product anti-freezing property detection, product inspection Survey the results detailed in subordinate list one.
Embodiment 4
A kind of high-strength freeze proof grouting material, it is made up of the raw material of following kilogram of number, complex cement 450kg, quartz sand 450kg, different in nature steel fibre 40kg, pulverized slag powder 50kg, composite expanding agent 35kg, complex accelerator 2kg, polycarboxylic acids diminishing Agent 2.5kg, defoamer 2.5kg.Portland cement 270kg, sulfate cement 180kg wherein in complex cement;Composite expanding agent Middle plastic expansion agent 19.4kg, T-60 high polymer cracking resistance swelling agent 15.6kg;Calcium formate 1.5kg in complex accelerator, lithium carbonate 0.5kg。
By complex cement, quartz sand, with equipment importing is imported, each pre- homogenizing storehouse is homogenized in advance;Pass through automatic proportioning Equipment sequentially adds special steel fibre, pulverized slag powder, composite expanding agent, complex accelerator, polycarboxylate water-reducer, defoamer Formed compound, then by compound in HZ-20 type forced stirrers mixed at high speed 3-4 minute, then middling speed mix 5-7 minutes must To well mixed dry mash, dry mash is imported into finished product homogenizing storehouse afterwards, packs to form finished product automatically using electronic measurement, transported Deliver to warehouse for finished product.
By the finished product according to GB/T50448-2008《Strength cement-based grouting material application technology specification》The experimental method is carried out End properties detection, and according to GB 50164-92《Standard for quality control of concrete》Carry out finished product anti-freezing property detection, product inspection Survey the results detailed in subordinate list one.
The Product checking result of subordinate list one
Wherein, freeze proof grade be using age 28d test block water suction saturation after, bear multigelation circulation, with resistance to compression Intensity, which declines, is no more than 25%, and mass loss when being no more than 5% the maximum freezing-thawing cycles that can bear determine, From subordinate list one, freeze proof grade of the invention has reached highest ranking D300, fully shows that the present invention has excellent frost resistance, Can normally it be used under psychro-environment, in addition by subordinate list one it is also seen that fluidity of the present invention is higher, compression strength is up to 97.3, vertical expansion ratio is relatively low, thus the present invention have good fluidity, high-strength, microdilatancy, freexing tolerance can it is excellent the characteristics of.
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment, The obvious present invention, which is implemented, to be not subject to the restrictions described above, and is entered as long as employing the inventive concept and technical scheme of the present invention The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical scheme directly apply to other occasions , within protection scope of the present invention.

Claims (10)

1. a kind of high-strength freeze proof grouting material, it is characterised in that:It is made up of the raw material of following portions by weight, complex cement 400- 450 parts, 400-500 parts of quartz sand, special steel fibre 40-60 parts, 50-110 parts of pulverized slag powder, composite expanding agent 20-40 Part, 1-3 parts of complex accelerator, 2~7 parts of water reducer, 0.5~4 part of defoamer.
2. high-strength antifreeze grouting material according to claim 1, it is characterised in that:The complex cement by portland cement and Sulfate cement is uniformly mixed.
3. high-strength antifreeze grouting material according to claim 2, it is characterised in that:In the complex cement portland cement with The mass ratio of sulfate cement is 3:2.
4. a kind of high-strength freeze proof grouting material, it is characterised in that:The special steel fibre is mixed by various different in nature steel fibres, Described its rectangular cross-section of different in nature steel fibre, zigzag or falcate.
5. high-strength freeze proof grouting material according to claim 1, it is characterised in that:The complex cement is normal silicate water Mud and sulfate cement are according to 3:2 ratio uniform is mixed.
6. high-strength antifreeze grouting material according to claim 1, it is characterised in that:The composite expanding agent is by plastic expansion agent With T-60 high polymer cracking resistance swelling agents according to mass ratio be 5:4 are uniformly mixed.
7. high-strength antifreeze grouting material according to claim 1, it is characterised in that:The complex accelerator is by calcium formate and carbon Sour lithium is 3 according to mass ratio:1 well mixed forms.
8. high-strength antifreeze grouting material according to claim 1, it is characterised in that:The water reducer is poly- hydroxy acid water reducer.
9. high-strength antifreeze grouting material according to claim 1, it is characterised in that:The defoamer is organic silicon defoamer.
10. prepare the method for high-strength antifreeze grouting material described in claim 1-10, it is characterised in that comprise the following steps:
A. by complex cement, quartz sand, with equipment importing is imported, each pre- homogenizing storehouse is homogenized in advance;
B. by complex cement, quartz sand, special steel fibre, pulverized slag powder, composite expanding agent, complex accelerator, polycarboxylic acids Water reducer, defoamer carries out automation continuous batching formation compound according to constant weight ratio;
C. compound mixed at high speed 3-4 minutes in HZ-20 type forced stirrers, then middling speed mixing obtain mixing for 5-7 minute Even dry mash;
D. dry mash is imported into finished product homogenizing storehouse, packs to form finished product automatically using electronic measurement, be transported to warehouse for finished product.
CN201710423779.1A 2017-06-07 2017-06-07 High-strength freeze proof grouting material and preparation method thereof Pending CN107117914A (en)

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CN201710423779.1A CN107117914A (en) 2017-06-07 2017-06-07 High-strength freeze proof grouting material and preparation method thereof

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108911558A (en) * 2018-08-01 2018-11-30 国家林业局昆明勘察设计院 A kind of high and cold, high altitude localities concrete admixture
CN108978854A (en) * 2018-07-23 2018-12-11 同济大学 One kind being bolted Precast Concrete Frame
CN111908846A (en) * 2020-08-15 2020-11-10 中德新亚建筑材料有限公司 High-strength anti-freezing grouting material for building and preparation thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003681A (en) * 2014-06-03 2014-08-27 中交上海三航科学研究院有限公司 Offshore wind power duct rack grouting material and construction method thereof
CN104817309A (en) * 2015-04-07 2015-08-05 重庆大学 Grouting material for prefabricated member reinforcing steel bar connection, and preparation method thereof
CN106747146A (en) * 2017-02-28 2017-05-31 卡本复合材料(天津)有限公司 A kind of dispersion strength cement-based grouting material anti-under water and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003681A (en) * 2014-06-03 2014-08-27 中交上海三航科学研究院有限公司 Offshore wind power duct rack grouting material and construction method thereof
CN104817309A (en) * 2015-04-07 2015-08-05 重庆大学 Grouting material for prefabricated member reinforcing steel bar connection, and preparation method thereof
CN106747146A (en) * 2017-02-28 2017-05-31 卡本复合材料(天津)有限公司 A kind of dispersion strength cement-based grouting material anti-under water and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978854A (en) * 2018-07-23 2018-12-11 同济大学 One kind being bolted Precast Concrete Frame
CN108911558A (en) * 2018-08-01 2018-11-30 国家林业局昆明勘察设计院 A kind of high and cold, high altitude localities concrete admixture
CN111908846A (en) * 2020-08-15 2020-11-10 中德新亚建筑材料有限公司 High-strength anti-freezing grouting material for building and preparation thereof

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Inventor after: Guo Zonglin

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Inventor after: Wang Xuezhen

Inventor after: Dong Liancheng

Inventor after: Li Wei

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