CN105272070A - Cement grouting material - Google Patents

Cement grouting material Download PDF

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Publication number
CN105272070A
CN105272070A CN201510816058.8A CN201510816058A CN105272070A CN 105272070 A CN105272070 A CN 105272070A CN 201510816058 A CN201510816058 A CN 201510816058A CN 105272070 A CN105272070 A CN 105272070A
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CN
China
Prior art keywords
grouting material
weight
cement
component
grouting
Prior art date
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Pending
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CN201510816058.8A
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Chinese (zh)
Inventor
梁晓东
龙吉林
李君�
陈志鹏
刘妙群
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.)
Hunan Lianzhi Bridge and Tunnel Technology Co Ltd
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Hunan Lianzhi Bridge and Tunnel Technology Co Ltd
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Application filed by Hunan Lianzhi Bridge and Tunnel Technology Co Ltd filed Critical Hunan Lianzhi Bridge and Tunnel Technology Co Ltd
Priority to CN201510816058.8A priority Critical patent/CN105272070A/en
Publication of CN105272070A publication Critical patent/CN105272070A/en
Pending legal-status Critical Current

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Abstract

The invention provides a cement grouting material with self-compaction and high fluidity. The cement grouting material comprises anti-cracking mortar, flow promoting components, a plasticizer, coagulation delaying components and a coagulation accelerating component. The anti-cracking mortar comprises, by mass, 4-8% of Portland cement, 38-47% of sulfate aluminum cement, 42-52% of quartz sand, 4.6-4.9% of swelling agents and 0.1-0.4% of polypropylene fibers. The flow promoting components include water reducing agents and defoaming agents. The plasticizer is cellulose ether. The coagulation delaying components include one or more of tartaric acid, sodium gluconate and citric acid. The coagulation accelerating component contains calcium hydroxide. The cement grouting material can complete grouting on the condition of self-gravity and can be grouted successfully one time during high-altitude operation of a support and an inhaul cable pipeline of a bridge with no need for vibrating or secondary grouting; construction of the material is simple since it is only required to add water; the grouting material can be used in construction at a low temperature.

Description

A kind of cementation process material
Technical field
The invention provides a kind of cementation process material, be specially a kind of bearing and drag-line grouting grouting material of bridge.
Background technology
In the construction of bridge support grouting, the conventional grout material of employing is generally plain cement mortar.During construction, adopt the mixed slurry grouting of cement, water, water reducer and river sand.But be no matter that support grouting or the drag-line grouting of bridge all belongs to working aloft, its difficulty of construction is comparatively large, and inconvenience of vibrating, what have even cannot vibrate.Conventional grout material property is poor, usually there is the phenomenons such as the bad adaptability of grout and sand and water reducer, causes bearing and drag-line grouting to there are following serious problems:
1) quality stability of slurries and poor fluidity, drag-line pipeline eakiness, is difficult to form full state, also regularly needs secondary ftercompction;
2) mixing slurries bleeding rate greatly, is easily emanated layering, low strength after condensation;
3) slurry eakiness after sclerosis, abutment surface is uneven, and space is many, easily holds in the palm sky, makes Bearing Seat Force uneven, has a strong impact on bridge work-ing life.
Patent of invention CN201110229356 provides a kind of preparation method of high strength micro expansion injection material, comprises and presses the preparation of column weight amount: ultimate compression strength is greater than the silicate cement of 42.5MPa: 40-56%, ultimate compression strength is greater than aluminosulfate cement or the high-alumina cement of 42.5MPa: 0-8%, calcium sulphoaluminate class swelling agent: 3-6%, quartz sand, corundum or iron tailings: 38-42%, silicone based defoamer: 0.1-0.5%, high-efficiency water-reducing agent of poly-carboxylic acid: 0-0.7%, calcium formiate or Quilonum Retard: 0-1.5%, Sunmorl N 60S: 0-1.5%, methyl cellulose ether, hydroxypropyl methyl cellulose ether or ethoxyl methyl cellulose ether: 0-0.3%, water accounts for the 13-15% of dry mash total amount, its production technique is as follows: the silicate cement taking regulation proportioning, aluminosulfate cement or high-alumina cement, calcium sulphoaluminate class swelling agent, adopt the silicate cement that Superfine Stirred Mill will measure, aluminosulfate cement or high-alumina cement, calcium sulphoaluminate class swelling agent compound superfine pulverizing is to being less than 15 μm, then by the quartz sand in proportioning, corundum or iron tailings, silicone based defoamer, high-efficiency water-reducing agent of poly-carboxylic acid, calcium formiate or Quilonum Retard, Sunmorl N 60S, methyl cellulose ether or hydroxypropyl methyl cellulose ether or ethoxyl methyl cellulose ether are added in tapered stirrer or forced concrete mixer and are mixed and made into dry mash, add water stirring slurry molding at the scene.
Patent application CN201510310117.4 provides a kind of cementation process material by the PO42.5R cement of 40-50%, 42.5 quick hardening sulphoaluminate cements of 5-10%, the quartz sand of 40-52%, the gypsum of 3-5%, the swelling agent of 2-15%, the admixture of 0.3-2%, the graphene oxide of 0.01-1% and the high-performance fiber composition of 0.05-5%.The cementation process material that this invention obtains has early strong, high-strength, ungauged regions, high workability and the advantage without harmful chemical.
The grouting material provided in above-mentioned patent solves part the problems referred to above more or less, but when its bearing for bridge and drag-line grouting, its grouting effect is still not ideal enough, and the problems referred to above also can not be solved more or less fully.
Summary of the invention
Therefore, the present invention is for solving the problems of the technologies described above and providing a kind of self-compacting high flowability cementation process material.Described cementation process material comprises anticracking grout, short stream component, softening agent, slow setting component and short solidifying component; Described anticracking grout comprises silicate cement 4 ~ 8%, aluminosulfate cement 38 ~ 47%, quartz sand 42 ~ 52%, swelling agent 4.6 ~ 4.9% and polypropylene fibre 0.1 ~ 0.4% in mass percentage; Described short stream component comprises water reducer and defoamer, and described softening agent is ether of cellulose, and described slow setting component is be selected from one or more in tartrate, Sunmorl N 60S and citric acid, comprises calcium hydroxide in described short solidifying component.
In the present invention, described water reducer has dissemination to cement granules after adding concrete mix, can improve its workability, reduces unit consumption of water, improves the mobility of concrete mix; Or minimizing unit cement consumption, save cement.Described polypropylene fibre is the synthon that the isotatic polypropylene obtained with propylene polymerization spins for raw material, is called polypropylene fibre at the commodity of China.
In the present invention, the preparation method of described cementation process material is for mixing described each component by proportioning and get final product.Described cementation process material adds water and can apply, and the part by weight of such as cementation process material and water is 100:10 ~ 18, is preferably 100:12 ~ 16.
In a kind of concrete embodiment, it is 100 parts in described anticracking grout quality, the weight of water reducer is 0.05 ~ 0.2 part, the weight of defoamer is 0.05 ~ 0.15 part, the weight of ether of cellulose is 0.1 ~ 0.3 part, the weight of slow setting component is 0.1 ~ 0.3 part, and the weight of short solidifying component is 0.1 ~ 0.25 part.
In a kind of concrete embodiment, described anticracking grout comprises silicate cement 5%, aluminosulfate cement 45%, quartz sand 50%, swelling agent 4.8% and polypropylene fibre 0.2% in mass percentage.
In a kind of concrete embodiment, be 100 parts in quartz sand total weight parts, the weight comprising 10 ~ 20 object quartz sands in described quartz sand is 15 ~ 25 parts, weight that the weight of 20 ~ 40 object quartz sands is 35 ~ 45 parts and 40 ~ 70 object quartz sands is 25 ~ 35 parts.In a kind of concrete embodiment, the weight also comprising 70 ~ 120 object quartz sands in described quartz sand is 5 ~ 15 parts.
In a kind of concrete embodiment, water reducer is high performance water reducing agent of polyocarboxy acid, and defoamer is P803 defoamer.
In a kind of concrete embodiment, also containing sodium carbonate and/or Quilonum Retard in described short solidifying component.In a kind of concrete embodiment, in described short solidifying component, the mass ratio of sodium carbonate and/or Quilonum Retard and calcium hydroxide is 0.2 ~ 0.5:1.
In the present invention, described silicate cement, aluminosulfate cement, quartz sand, swelling agent, polypropylene fibre, water reducer, defoamer, ether of cellulose, tartrate, Sunmorl N 60S, citric acid, sodium carbonate, calcium hydroxide and Quilonum Retard all can by being purchased acquisition.Such as silicate cement described in embodiment is conch board P.O52.5 cement, and aluminosulfate cement is R.SAC42.5 cement.
In a kind of concrete embodiment, described cementation process material is bearing and the drag-line duct grouting grouting material of bridge.
Grouting material provided by the invention, when comparatively low water-cement ratio uses, namely has high workability and high strength; Containing the short solidifying component of calcium hydroxide and slow setting component tartaric with the use of making described grouting material meet the requirements of intensity in specific time, time of coagulation can be controlled at different temperatures simultaneously.
Grouting material provided by the invention completes grouting under gravity condition, can once grouting success when carrying out working aloft to the bearing of bridge and drag-line pipeline, without the need to vibrating, without the need to back-grouting; Its construction is simple, adds water just; And this grouting material can be constructed at low temperatures.
Embodiment
Following examples and comparative example are used for illustrating effect of the present invention, but protection scope of the present invention is not limited in following embodiment.In the examples below, described anticracking grout includes cement component, quartz sand and cracking resistance component, and described cement component comprises ordinary Portland cement and aluminosulfate cement, and described cracking resistance component comprises swelling agent and polypropylene fibre.And the ordinary Portland cement that following comparative example and embodiment use is conch board P.O52.5 cement, aluminosulfate cement is R.SAC42.5 cement.
Embodiment 1
The present embodiment provides a kind of self-compacting high flowability grouting material, and this grouting material comprises following component: described cement component 45 weight part, specifically comprises ordinary Portland cement 5 weight part and aluminosulfate cement 40 weight part; Described short stream component totally 0.16 weight part, specifically comprises high performance water reducing agent of polyocarboxy acid 0.08 weight part and defoamer 0.08 weight part; Described cracking resistance component 5 weight part, specifically comprises UEA swelling agent 4.8 weight part and pp fiber 0.2 weight part; Separately there is softening agent ether of cellulose 0.2 weight part; Slow setting component tartrate 0.2 weight part; Short solidifying component comprises calcium hydroxide and Quilonum Retard totally 0.15 weight part, and wherein calcium hydroxide is 0.1 weight part; 20-40 object quartz sand totally 50 weight parts.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 2
With embodiment 1, difference is described cement component 50 weight part, and specifically comprise ordinary Portland cement 5 weight part and aluminosulfate cement 45 weight part, quartz sand is 45 weight parts.And described short stream component totally 0.2 weight part, specifically comprise high performance water reducing agent of polyocarboxy acid 0.12 weight part and defoamer 0.08 weight part.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 3
The present embodiment provides a kind of self-compacting high flowability grouting material, and this grouting material comprises following component: described cement component 47 weight part, and specifically comprise ordinary Portland cement 7 weight part and aluminosulfate cement 40 weight part, quartz sand is 48 weight parts.Described short stream component totally 0.02 weight part, specifically comprises high performance water reducing agent of polyocarboxy acid 0.12 weight part and defoamer 0.08 weight part; Softening agent ether of cellulose 0.015 weight part; Short solidifying component calcium hydroxide and Quilonum Retard totally 0.2 weight part, wherein calcium hydroxide 0.15 weight part; Other condition is identical with embodiment 1.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 4
With embodiment 3, difference is: short solidifying component is calcium hydroxide and sodium carbonate totally 0.15 weight part, wherein sodium carbonate 0.1 weight part.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 5
The present embodiment provides a kind of self-compacting high flowability grouting material, and all the other components are all identical with embodiment 2, but quartz sand 45 weight part specifically comprises varigrained quartz sand, wherein 10-20 order 10 weight part, 20-40 order 20 weight part, 40-70 order 15 weight part.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 6
The component of grouting material is with embodiment 2.Difference is curing condition, and wherein 2h is normal curing, and 1d, 3d, 28d are maintenance in water.Gained performance data is in table 1.
Embodiment 7
Cracking resistance component totally 5.1 parts, wherein UEA swelling agent 4.8 weight part and pp fiber 0.3 part, and slow setting component tartrate changes 0.15 weight part into, remainder data is identical with embodiment 1.This grouting material adds water the normal curing performance data after 14% use in table 1.
Embodiment 8
Short stream component comprises high performance water reducing agent of polyocarboxy acid 0.15 weight part and defoamer 0.1 weight part, quartz sand 50 weight part, wherein 10-20 order 10 weight part, 20-40 order 20 weight part, 40-70 order 13 weight part, 70-120 order 7 weight part, all the other components are all identical with embodiment 1.This grouting material adds water the normal curing performance data after 14% use in table 1.
Comparative example 1
Prepare in the anticracking grout of described grouting material and do not comprise PP fiber, and use UEA swelling agent 5.0 weight part, and ordinary Portland cement is 40 weight parts, aluminosulfate cement is 5 weight parts; Use 0.15 part of pure Quilonum Retard for short solidifying component, other component is all identical with embodiment 1.
Comparative example 2
Prepare in the anticracking grout of described grouting material and do not comprise PP fiber, and use UEA swelling agent 5.0 weight part, and ordinary Portland cement is 45 weight parts, aluminosulfate cement is 5 weight parts; Use 0.15 part of pure Quilonum Retard for short solidifying component, other component is all identical with embodiment 2.
Table 1
From comparing of embodiment 2 and embodiment 1, add the weight part of aluminosulfate cement in cement component and the weight part of short stream component in embodiment 2, the intensity after gained grouting material uses and degree of mobilization significantly improve.
From comparing of embodiment 4 and embodiment 3, the later stage ultimate compression strength of embodiment 4 grouting material normally increases, but can find out, use sodium carbonate to replace Quilonum Retard and the consumption of sodium carbonate higher than calcium hydroxide time, the later stage folding strength of grouting material can be made to decline.
From the comparison of embodiment 5 and embodiment 2, and comparing from embodiment 8 and embodiment 1, adopt varigrained quartz sand according to certain require mixed time, more easily make grouting material described in the present invention reach particular requirement that 2h ultimate compression strength is not less than 20MPa.
From experimentation and result, cementation process material provided by the invention possesses following features:
1, self-compacting: without the need to manually vibrating, just has good density.
2, large fluidity: the initial flow degree >=320mm of slurry, and degree of mobilization >=240mm after 30min;
3, zero bleeding, low-shrinkage: the free bleeding rate of described grouting material is zero, and shrinking percentage < 2%; Slurry is even, full, without segregation phenomenon.
4, microdilatancy: the present invention preparation slurries degree of free swelling reach >=0.1%, grouting rear base and duct slurry volume do not shrink, in the plastic stage, there is good compensate for shrinkage ability; Reduce bearing base holder sky and drag-line cavitation.
5, high strength: after grouting, the ultimate compression strength of 8h, 12h, 24h and 28d is respectively >=20Mpa, >=25Mpa, >=40Mpa and >=50Mpa.The folding strength of 24h, 28d and 56d is respectively >=6MPa, >=8MPa, >=10MPa.Illustrate that grouting material provided by the invention has higher early strength and do not affect later strength to increase.
6, good endurance: this grouting material belongs to inorganic materials, corrosion-resistant, ageing-resistant.
7, environmental protection: this grouting material is nontoxic, harmless, to water quality and surrounding environment pollution-free.
In addition, be added with special short solidifying component and the combination of slow setting component in grouting material of the present invention, under normal temperature condition, injection material can also reach following property: 2h ultimate compression strength is not less than 20MPa, and 56d ultimate compression strength is not less than 50MPa; And the presetting period is more than or equal to 30min, final setting time is less than or equal to 3h.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a cementation process material, comprises anticracking grout, short stream component, softening agent, slow setting component and short solidifying component; Described anticracking grout comprises silicate cement 4 ~ 8%, aluminosulfate cement 38 ~ 47%, quartz sand 42 ~ 52%, swelling agent 4.6 ~ 4.9% and polypropylene fibre 0.1 ~ 0.4% in mass percentage; Described short stream component comprises water reducer and defoamer, and described softening agent is ether of cellulose, and described slow setting component is be selected from one or more in tartrate, Sunmorl N 60S and citric acid, comprises calcium hydroxide in described short solidifying component.
2. grouting material according to claim 1, it is characterized in that, it is 100 parts in described anticracking grout quality, the weight of water reducer is 0.05 ~ 0.2 part, the weight of defoamer is 0.05 ~ 0.15 part, the weight of ether of cellulose is 0.1 ~ 0.3 part, and the weight of slow setting component is 0.1 ~ 0.3 part, and the weight of short solidifying component is 0.1 ~ 0.25 part.
3. grouting material according to claim 1 or 2, is characterized in that, described anticracking grout comprises silicate cement 5%, aluminosulfate cement 45%, quartz sand 50%, swelling agent 4.8% and polypropylene fibre 0.2% in mass percentage.
4. grouting material according to claim 1 or 2, it is characterized in that, be 100 parts in quartz sand total weight parts, the weight comprising 10 ~ 20 object quartz sands in described quartz sand is 15 ~ 25 parts, weight that the weight of 20 ~ 40 object quartz sands is 35 ~ 45 parts and 40 ~ 70 object quartz sands is 25 ~ 35 parts.
5. grouting material according to claim 4, it is characterized in that, the weight also comprising 70 ~ 120 object quartz sands in described quartz sand is 5 ~ 15 parts.
6. according to grouting material described in any one in Claims 1 to 5, it is characterized in that, water reducer is high performance water reducing agent of polyocarboxy acid, and defoamer is P803 defoamer.
7. according to grouting material described in any one in Claims 1 to 5, it is characterized in that, also containing sodium carbonate and/or Quilonum Retard in described short solidifying component.
8. grouting material according to claim 7, is characterized in that, in described short solidifying component, the mass ratio of sodium carbonate and/or Quilonum Retard and calcium hydroxide is 0.2 ~ 0.5:1.
9. according to grouting material described in any one in Claims 1 to 5, it is characterized in that, described cementation process material is bearing and the drag-line duct grouting grouting material of bridge.
CN201510816058.8A 2015-11-23 2015-11-23 Cement grouting material Pending CN105272070A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105801060A (en) * 2016-02-25 2016-07-27 张学健 Super-high early-strength cement foundation grouting material
CN106316304A (en) * 2016-08-02 2017-01-11 福州美创美工艺品有限公司 Cement products and preparation methods thereof
CN106396521A (en) * 2016-08-31 2017-02-15 南通科达建材股份有限公司 Early strength self restoration grouting material
CN107417182A (en) * 2017-07-18 2017-12-01 中原工学院 Intumescent high polymer cement mortar, grouting and reinforcing device and grouting strengthening method
CN107522441A (en) * 2017-08-31 2017-12-29 中国铁道科学研究院铁道建筑研究所 A kind of cement composition and prepare its method
CN107721336A (en) * 2017-11-23 2018-02-23 确山县久华住宅工业有限责任公司 A kind of duct grouting material and preparation method thereof
CN108395191A (en) * 2018-03-02 2018-08-14 合肥欧仕嘉机电设备有限公司 A kind of grouting material and preparation method thereof reinforced for road
CN108840640A (en) * 2018-08-28 2018-11-20 长安大学 A kind of carbon nano tube/epoxy resin composite strengthening grouting material and preparation method thereof
CN109020435A (en) * 2018-08-21 2018-12-18 马清浩 A kind of high-low temperature resistant sleeve grouting material and preparation method thereof
CN109369124A (en) * 2018-12-19 2019-02-22 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of reinforcing grouting material
CN109534756A (en) * 2018-12-25 2019-03-29 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of quick-hardening cement volume Anchor Agent and preparation method thereof
CN109704697A (en) * 2019-03-15 2019-05-03 淄博三基建筑工程材料有限公司 A kind of concrete strengthening grouting material
CN110028295A (en) * 2019-05-21 2019-07-19 四川华磷科技有限公司 A kind of mating grouting material of ECP wallboard and preparation method thereof
CN110698146A (en) * 2019-09-02 2020-01-17 中铁第四勘察设计院集团有限公司 Early strength polymer mortar and construction method for replacing rubber sleeve boots by early strength polymer mortar
CN111807866A (en) * 2020-07-23 2020-10-23 广东大潮建筑科技有限公司 Sound-insulation fireproof building material
CN113929422A (en) * 2021-11-26 2022-01-14 中建西部建设新材料科技有限公司 High-performance building support grouting material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1237549A (en) * 1999-06-25 1999-12-08 孟云芳 Composite cement
CN104844122A (en) * 2015-06-08 2015-08-19 北京建筑大学 Cement grouting material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1237549A (en) * 1999-06-25 1999-12-08 孟云芳 Composite cement
CN104844122A (en) * 2015-06-08 2015-08-19 北京建筑大学 Cement grouting material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘小兵: "水泥基无收缩管将砂浆的配制及性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105801060A (en) * 2016-02-25 2016-07-27 张学健 Super-high early-strength cement foundation grouting material
CN106316304A (en) * 2016-08-02 2017-01-11 福州美创美工艺品有限公司 Cement products and preparation methods thereof
CN106396521A (en) * 2016-08-31 2017-02-15 南通科达建材股份有限公司 Early strength self restoration grouting material
CN107417182A (en) * 2017-07-18 2017-12-01 中原工学院 Intumescent high polymer cement mortar, grouting and reinforcing device and grouting strengthening method
CN107417182B (en) * 2017-07-18 2020-10-30 中原工学院 Expansion type high polymer cement slurry, grouting reinforcement device and grouting reinforcement method
CN107522441A (en) * 2017-08-31 2017-12-29 中国铁道科学研究院铁道建筑研究所 A kind of cement composition and prepare its method
CN107721336A (en) * 2017-11-23 2018-02-23 确山县久华住宅工业有限责任公司 A kind of duct grouting material and preparation method thereof
CN108395191A (en) * 2018-03-02 2018-08-14 合肥欧仕嘉机电设备有限公司 A kind of grouting material and preparation method thereof reinforced for road
CN109020435A (en) * 2018-08-21 2018-12-18 马清浩 A kind of high-low temperature resistant sleeve grouting material and preparation method thereof
CN109020435B (en) * 2018-08-21 2021-04-30 福建兴纳科技有限公司 High-low temperature resistant sleeve grouting material and preparation method thereof
CN108840640A (en) * 2018-08-28 2018-11-20 长安大学 A kind of carbon nano tube/epoxy resin composite strengthening grouting material and preparation method thereof
CN108840640B (en) * 2018-08-28 2019-06-21 长安大学 A kind of carbon nano tube/epoxy resin composite strengthening grouting material and preparation method thereof
CN109369124A (en) * 2018-12-19 2019-02-22 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of reinforcing grouting material
CN109534756A (en) * 2018-12-25 2019-03-29 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of quick-hardening cement volume Anchor Agent and preparation method thereof
CN109704697A (en) * 2019-03-15 2019-05-03 淄博三基建筑工程材料有限公司 A kind of concrete strengthening grouting material
CN110028295A (en) * 2019-05-21 2019-07-19 四川华磷科技有限公司 A kind of mating grouting material of ECP wallboard and preparation method thereof
CN110698146A (en) * 2019-09-02 2020-01-17 中铁第四勘察设计院集团有限公司 Early strength polymer mortar and construction method for replacing rubber sleeve boots by early strength polymer mortar
CN111807866A (en) * 2020-07-23 2020-10-23 广东大潮建筑科技有限公司 Sound-insulation fireproof building material
CN111807866B (en) * 2020-07-23 2022-08-23 广东大潮建筑科技有限公司 Sound-insulation fireproof building material
CN113929422A (en) * 2021-11-26 2022-01-14 中建西部建设新材料科技有限公司 High-performance building support grouting material and preparation method thereof

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