CN103951353B - For grouting material that road is reinforced and preparation method thereof - Google Patents
For grouting material that road is reinforced and preparation method thereof Download PDFInfo
- Publication number
- CN103951353B CN103951353B CN201410185159.5A CN201410185159A CN103951353B CN 103951353 B CN103951353 B CN 103951353B CN 201410185159 A CN201410185159 A CN 201410185159A CN 103951353 B CN103951353 B CN 103951353B
- Authority
- CN
- China
- Prior art keywords
- grouting material
- road
- cement
- reinforced
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 230000008961 swelling Effects 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 230000008719 thickening Effects 0.000 claims abstract description 11
- 235000013312 flour Nutrition 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- -1 breeze Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 20
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 10
- 239000011575 calcium Substances 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 239000011505 plaster Substances 0.000 claims description 8
- 235000010288 sodium nitrite Nutrition 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 5
- 239000008267 milk Substances 0.000 claims description 5
- 210000004080 milk Anatomy 0.000 claims description 5
- 235000013336 milk Nutrition 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 125000001624 naphthyl group Chemical group 0.000 claims description 3
- 239000003469 silicate cement Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 39
- 230000003014 reinforcing effect Effects 0.000 abstract description 14
- 230000015271 coagulation Effects 0.000 abstract description 6
- 238000005345 coagulation Methods 0.000 abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 6
- 239000011707 mineral Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 239000004567 concrete Substances 0.000 description 7
- 230000000740 bleeding effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920000876 geopolymer Polymers 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of grouting material for road reinforcing and preparation method thereof, described grouting material comprises following component: cement, breeze, silica flour, water reducer and hardening accelerator; Swelling agent and thickening material is also comprised in described grouting material; The weight percentage of each component is as follows: cement 30 ~ 80%; Breeze 15 ~ 65%; Silica flour 2 ~ 5%; Water reducer 0.3 ~ 1%; Hardening accelerator 0.3 ~ 5.5%; Swelling agent 0 ~ 10%; Thickening material 0 ~ 5%.The present invention by adding breeze, silica flour two kinds of mineral admixtures in cement, the pore structure of cement slurry is improved, two kinds of mineral admixtures to the filling of cement slurry and dispersion effect better, volume stability and the flowing property of grouting material can be improved, improve operability and the later strength of grouting material; By adding water reducer and hardening accelerator, can ensure that, within the scope of rational water cement ratio, slurry is controlled for time of coagulation, slurries have good mobility and early strength.
Description
Technical field
The present invention relates to a kind of material of construction and preparation method thereof, particularly relate to a kind of grouting material for road reinforcing and preparation method thereof.
Background technology
In recent years, to road reinforcing field, slip casting method, due to the advantage such as its easy construction, technical feasibility, social benefit be good, is widely used in road engineering.The injection material reinforced for road mainly contains cement, cement+water glass, concrete and coal ash.Use these slurries as grouting material, for obtaining good workability, these conventional grout liquid often use larger water cement ratio, are usually that 1:1 is even larger.Improving slurry water gray scale can make slurry fluidity improve, but the bad stability of slurries, bleeding layering is serious, under grouting pressure effect, more easily there is segregation in slurries, and assembles in grout pipe one end, cannot infiltrate in sand hole, greatly reduce the concrete castability of slurries.As everyone knows, the water cement ratio required for portland cement aquation is no more than 0.42, and water cement ratio is larger, and slurry is longer for time of coagulation, and the intensity of hardenite is lower, and shrinkage is larger, causes slurry strength development slow the most at last, poor durability.And will exceed hydrated cementitious institute water requirement and pour into roadbed and basic unit, and can have a strong impact on road structure stability and work-ing life, its negative effect produced is self-evident.
Therefore, be necessary to improve existing grouting material, road reinforcing high performance grouting material is provided, meet following requirement: 1), injection material is within the scope of rational water cement ratio, slurry is controlled for time of coagulation, slurries have good mobility, and mobility can keep certain hour to be beneficial to construction.2), injecting paste material has good water retention property and volume stability, layering of can not emanating under stress.3), grout curing time, ungauged regions phenomenon, has certain cohesiveness after solidification, can securely with the bondings such as the soil body, gravel and sand.4), slurries calculus rate is high, and Seed harvest has certain ultimate compression strength and tensile strength, does not chap, impervious good.5), for the traffic pressure day by day increased at present, injection material has higher early strength, can open to traffic as early as possible after construction.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of grouting material for road reinforcing and preparation method thereof, can ensure within the scope of rational water cement ratio, slurry is controlled for time of coagulation, slurries have good mobility and early strength, and the ultimate compression strength that can improve after solidification and tensile strength.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of grouting material reinforced for road, comprises following component: cement, breeze, silica flour, water reducer and hardening accelerator.
The above-mentioned grouting material reinforced for road, wherein, also comprises swelling agent and thickening material in described grouting material.
The above-mentioned grouting material reinforced for road, wherein, in described grouting material, the weight percentage of each component is as follows:
The above-mentioned grouting material reinforced for road, wherein, described cement is the silicate cement that strength grade is equal to or higher than 42.5.
The above-mentioned grouting material reinforced for road, wherein, described water reducer is naphthalene series high-efficiency water-reducing agent.
The above-mentioned grouting material reinforced for road, wherein, described hardening accelerator is calcium formiate or calcium formiate, desulfurated plaster and Sodium Nitrite complex accelerator.
The above-mentioned grouting material reinforced for road, wherein, described hardening accelerator is calcium formiate, desulfurated plaster and Sodium Nitrite complex accelerator, and the ratio of the weight of described calcium formiate, desulfurated plaster and Sodium Nitrite is 0.5:2.5:2.5.
The above-mentioned grouting material reinforced for road, wherein, described swelling agent is ZY type swelling agent, and described thickening material is wilkinite or methylhydroxypropylcellulose ether.
The present invention also provides a kind of above-mentioned grouting material preparation method reinforced for road for solving the problems of the technologies described above, and wherein, comprises the steps: a) to take each component raw material according to predetermined volume, is uniformly mixed the pack of rear formation dry powder blend material for subsequent use; B) during practice of construction, described dry powder blend material is placed in stirrer, then adds the water accounting for dry powder blend material gross weight 20 ﹪ ~ 40 ﹪, be in the milk after stirring.
The above-mentioned grouting material preparation method reinforced for road, wherein, described step b) in whipping process as follows: first stir 2 minutes after adding water, then stop stirring again stirring 2 minutes after 30 seconds.
The present invention contrasts prior art following beneficial effect: grouting material for road reinforcing provided by the invention and preparation method thereof, by adding breeze, silica flour two kinds of mineral admixtures in cement, the pore structure of cement slurry is improved, two kinds of mineral admixtures to the filling of cement slurry and dispersion effect better, volume stability and the flowing property of grouting material can be improved, improve operability and the later strength of grouting material; By adding water reducer and hardening accelerator, can ensure that, within the scope of rational water cement ratio, slurry is controlled for time of coagulation, slurries have good mobility and early strength, and the ultimate compression strength that can improve after solidification and tensile strength.In addition, the present invention is by increasing swelling agent and thickening material, and each component concentration of choose reasonable, the ultimate compression strength after the mobility of slurries, stability and solidification and tensile strength can be promoted further.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The grouting material reinforced for road provided by the invention, wherein, each component configures as follows according to weight percent: cement 30 ~ 80%; Breeze 15 ~ 65%; Silica flour 2 ~ 5%; Water reducer 0.3 ~ 1.0%; Hardening accelerator 0.3 ~ 5.5%; Swelling agent 0 ~ 10%; Thickening material 0 ~ 5%.
Present invention also offers a kind of preparation method of above-mentioned grouting material, wherein, comprise the steps: to take each component raw material according to predetermined volume proportioning, be uniformly mixed the pack of rear formation dry powder blend material for subsequent use; During practice of construction, dry powder blend material is placed in stirrer, adds the water accounting for dry powder gross weight 20 ﹪ ~ 40 ﹪, after stirring, can be in the milk.Preferred whipping process is as follows: first stir 2 minutes after adding water, then stops stirring again stirring 2 minutes after 30 seconds, and the slurry that stirring obtains like this stirs relative to conventional procedure the slurry obtained and has better mobility.
Road reinforcing high performance grouting material provided by the invention, is made up of cement, breeze, silica flour, water reducer, hardening accelerator, swelling agent, thickening material; Thus can according to the envrionment conditions of application, suitably adjustment component proportioning, can obtain desired properties.Wherein, described cement is preferably ordinary Portland cement or the silicate cement that strength grade is equal to or higher than 42.5, described water reducer is preferably naphthalene series high-efficiency water-reducing agent, described hardening accelerator is preferably calcium formiate or calcium formiate, desulfurated plaster and Sodium Nitrite complex accelerator, described swelling agent is preferably ZY type swelling agent, and described thickening material is preferably wilkinite or methylhydroxypropylcellulose ether.The present invention preferably adopts ZY type swelling agent and wilkinite or methylhydroxypropylcellulose ether to coordinate, and can regulate the viscosity of grouting material comparatively easily, thus makes slurry have better mobility.Test method is all carried out with reference to " highway subgrade and basic unit's geopolymer grouting reinforcement technique code " (SZ-G-B04-2007).Concrete advantage is as follows:
1) workability is superior: road reinforcing high performance grouting material provided by the invention, by adding breeze, silica flour two kinds of mineral admixtures in cement, the pore structure of cement slurry is improved, two kinds of mineral admixtures to the filling of cement slurry and dispersion effect better, volume stability and the flowing property of grouting material can be improved, improve operability and the later strength of grouting material; It is in water cement ratio 0.20 ~ 0.40 scope, and water cement ratio water-band is wider, and working-yard ratio is easier to control slurries quality.Slurry is controlled for time of coagulation, and has good mobility, and the degree of mobilization in 1.5 hours remains on 16s ~ 30s substantially, proves through site operation, even if degree of mobilization is 30s, this material still has good workability and concrete castability.
2) early strong: road reinforcing high performance grouting material provided by the invention, by adding hardening accelerator, particularly preferably use calcium formiate, desulfurated plaster and Sodium Nitrite complex accelerator, the ratio of the weight of described calcium formiate, desulfurated plaster and Sodium Nitrite is preferably 0.5:2.5:2.5, its 1d intensity can reach more than 30.0MPa, after road is in the milk, maintenance gets final product open to traffic in 1 day, greatly alleviates traffic pressure, has good social benefit.
3) high-strength: road reinforcing high performance grouting material provided by the invention, later strength sustainable growth, 28d ultimate compression strength can reach 70.0MPa ~ 90.0MPa.
4) shrinkage-void: road reinforcing high performance grouting material provided by the invention, select ZY type swelling agent, and establish when increase wilkinite or methylhydroxypropylcellulose ether are as thickening material, its rate of expansion 0.0 ~ 0.01%, meets road and reinforces the requirement of being in the milk for ungauged regions.
5) good stability: road reinforcing high performance grouting material provided by the invention, not bleeding layering in 24h.
6) temperature that conforms is better: road reinforcing high performance grouting material provided by the invention can be operated in very wide temperature range, can meet and construct under normal temperature and usual seasonal temperature environment.
Comparative example
This comparative example chooses proportioning common in road grouting and reinforcing engineering:
42.5 ordinary Portland cement 94.4%
Naphthalene series high-efficiency water-reducing agent 0.6%
Swelling agent 5%
By weight percentage above-mentioned raw materials blended evenly after, add after dry blend 40% water stirs and test correlated performance discovery: it is 30s that the stirring that adds water terminates rear degree of mobilization, the test in every five minutes of degree of mobilization in 30 minutes once, all remain within 30s, but degree of mobilization is greater than 30s after 35 minutes, lose flowability energy gradually, and the concrete castability of slurries is poor; There is more seriously emanating demixing phenomenon in 3h slurry, test bleeding rate is-0.01% (contraction) up to 1%, 28d rate of expansion, and 1d ultimate compression strength is 11.68MPa, 28d ultimate compression strength is 48.8MPa.
Embodiment 1
By weight percentage by blended for above-mentioned raw materials evenly after, pack is moistureproof preserves, and adds after dry blend 35% water stirs and use during onsite application.Use through certain working-yard summer high temperature, during construction, medial temperature is 36 DEG C, and this injection material is easy to construction.On-site sampling analysis draws the better performances of slurry: the stirring that adds water terminate rear degree of mobilization be the test in every five minutes of degree of mobilization in 25s, 1.0h once, all remain within 30s, and there is good concrete castability; Slurry final setting time is 250min, can the engineering time longer, workability is superior.On-site sampling is placed on other performances that standard mortar laboratory obtains slurry: slurry not bleeding layering in 24h, and 28d rate of expansion is 0.01%, 1d ultimate compression strength be 34.0MPa, 28d ultimate compression strength is 74.5MPa.
Embodiment 2
By weight percentage above-mentioned raw materials blended evenly after, pack is moistureproof preserves, and adds after dry blend 32% water stirs and use during onsite application.Use through certain working-yard winter low temperature, during construction, medial temperature is 5 DEG C, and this injection material is easy to construction.On-site sampling analysis draws the better performances of slurry: the stirring that adds water terminate rear degree of mobilization be the test in every five minutes of degree of mobilization in 20s, 1.5h once, all remain within 30s, and there is good concrete castability; Slurry final setting time is 360min, is easy to construction.On-site sampling is placed on other performances that standard mortar laboratory obtains slurry: slurry not bleeding layering in 24h, and 28d rate of expansion is 0,1d ultimate compression strength be 38.6MPa, 28d ultimate compression strength is 81.0MPa.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (7)
1. the grouting material reinforced for road, it is characterized in that, comprise following component: cement, breeze, silica flour, water reducer and hardening accelerator, described hardening accelerator is calcium formiate, desulfurated plaster and Sodium Nitrite complex accelerator, and the ratio of the weight of described calcium formiate, desulfurated plaster and Sodium Nitrite is 0.5:2.5:2.5.
2., as claimed in claim 1 for the grouting material that road is reinforced, it is characterized in that, in described grouting material, also comprise swelling agent and thickening material.
3., as claimed in claim 2 for the grouting material that road is reinforced, it is characterized in that, in described grouting material, the weight percentage of each component is as follows:
4., as claimed in claim 1 for the grouting material that road is reinforced, it is characterized in that, described cement is the silicate cement that strength grade is equal to or higher than 42.5.
5., as claimed in claim 1 for the grouting material that road is reinforced, it is characterized in that, described water reducer is naphthalene series high-efficiency water-reducing agent.
6., as claimed in claim 2 for the grouting material that road is reinforced, it is characterized in that, described swelling agent is ZY type swelling agent, and described thickening material is wilkinite or methylhydroxypropylcellulose ether.
7. the grouting material preparation method reinforced for road as described in any one of claim 1 ~ 6, is characterized in that, comprise the steps:
A) take each component raw material according to predetermined volume, be uniformly mixed the pack of rear formation dry powder blend material for subsequent use;
B) during practice of construction, described dry powder blend material is placed in stirrer, then adds the water accounting for dry powder blend material gross weight 20 ﹪ ~ 40 ﹪, be in the milk after stirring, described whipping process is as follows: first stir 2 minutes after adding water, then stops stirring again stirring 2 minutes after 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410185159.5A CN103951353B (en) | 2014-05-05 | 2014-05-05 | For grouting material that road is reinforced and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410185159.5A CN103951353B (en) | 2014-05-05 | 2014-05-05 | For grouting material that road is reinforced and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103951353A CN103951353A (en) | 2014-07-30 |
| CN103951353B true CN103951353B (en) | 2015-10-21 |
Family
ID=51328744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410185159.5A Active CN103951353B (en) | 2014-05-05 | 2014-05-05 | For grouting material that road is reinforced and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103951353B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478347A (en) * | 2014-11-11 | 2015-04-01 | 湖北洁能工程技术开发公司 | Ground source heat pump buried pipe isolation backfill grouting material |
| CN105967596A (en) * | 2016-05-10 | 2016-09-28 | 东南大学 | Cement-based grouting material as well as preparation method and application thereof |
| CN106431153A (en) * | 2016-08-31 | 2017-02-22 | 武汉理工大学 | Phosphoaluminate cement-based rapid repairing material and preparation method thereof |
| CN107176809A (en) * | 2017-06-06 | 2017-09-19 | 合肥雅克丽新型建材有限公司 | Grouting material and preparation method thereof |
| CN107162534B (en) * | 2017-07-17 | 2020-01-10 | 重庆石博士新材料有限公司 | Grouting material and preparation method thereof |
| 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 |
| CN110510959B (en) * | 2019-09-29 | 2021-02-09 | 成都理工大学 | Rapid-setting early-strength grouting material based on nano-alumina and preparation method thereof |
| CN113045278B (en) * | 2021-03-17 | 2022-04-29 | 江苏东交智控科技集团股份有限公司 | Cement grouting material and preparation method and application thereof |
| CN113563025B (en) * | 2021-08-06 | 2022-12-27 | 宁夏嘉惠道路资源再生利用有限公司 | Grouting material for grouting type composite asphalt pavement |
| CN114014598A (en) * | 2021-11-30 | 2022-02-08 | 中国人民解放军空军工程大学 | Low-temperature-resistant geopolymer repair mortar and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269943A (en) * | 2008-05-12 | 2008-09-24 | 北京东方建宇混凝土科学技术研究院有限公司 | High-strength grout containing superfines and preparing method |
| CN101798208A (en) * | 2010-02-22 | 2010-08-11 | 湖北中桥科技有限公司 | High fluidity grouting material and production method thereof |
| CN102173708A (en) * | 2011-02-10 | 2011-09-07 | 乌鲁木齐市建筑建材科学研究院有限责任公司 | Aggregate-free cement-based grouting material |
| CN102531508A (en) * | 2011-12-12 | 2012-07-04 | 亚士漆(上海)有限公司 | Self-leveling terrace mortar powder and preparation method thereof, and terrace construction method |
| CN103058615A (en) * | 2013-02-06 | 2013-04-24 | 长沙聚创建筑科技有限公司 | High-fluidity micro-expansive grouting material and testing and preparation method thereof |
-
2014
- 2014-05-05 CN CN201410185159.5A patent/CN103951353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269943A (en) * | 2008-05-12 | 2008-09-24 | 北京东方建宇混凝土科学技术研究院有限公司 | High-strength grout containing superfines and preparing method |
| CN101798208A (en) * | 2010-02-22 | 2010-08-11 | 湖北中桥科技有限公司 | High fluidity grouting material and production method thereof |
| CN102173708A (en) * | 2011-02-10 | 2011-09-07 | 乌鲁木齐市建筑建材科学研究院有限责任公司 | Aggregate-free cement-based grouting material |
| CN102531508A (en) * | 2011-12-12 | 2012-07-04 | 亚士漆(上海)有限公司 | Self-leveling terrace mortar powder and preparation method thereof, and terrace construction method |
| CN103058615A (en) * | 2013-02-06 | 2013-04-24 | 长沙聚创建筑科技有限公司 | High-fluidity micro-expansive grouting material and testing and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103951353A (en) | 2014-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103951353B (en) | For grouting material that road is reinforced and preparation method thereof | |
| CN104402339B (en) | The constructional method of pervious concrete | |
| CN104628322B (en) | A kind of semi-flexible Rut resistance ground surface material and preparation method thereof | |
| CN104030629B (en) | A kind of semi-rigid type base consolidation grouting material and grouting method thereof | |
| CN106220126B (en) | A kind of grouting material of foundation stabilization | |
| CN103979914A (en) | Curing agent for reinforcing and treating soft soil foundation constructed at low temperature and preparation method thereof | |
| CN111995339A (en) | Anti-scouring solidified soil for ocean platform and preparation method thereof | |
| CN103922662A (en) | Ultra-high performance cement base composite material | |
| CN102936111B (en) | High-performance prestressing duct grouting agent and preparation method thereof | |
| CN107572981A (en) | Self-compacting concrete for concrete repair and preparation method thereof | |
| CN105481324A (en) | Inorganic grouting blocking material | |
| CN105541138A (en) | Geopolymer for treating salting soil foundation and preparing method and application of geopolymer | |
| CN104961418A (en) | Post-tensioning prestress hole channel slurry pressing material suitable for low temperature environment and preparing method thereof | |
| CN109265100A (en) | A kind of super-hydrophobic injecting paste material and preparation method thereof | |
| CN110183193A (en) | A kind of super-early strength cement base does not disperse patching material and preparation method thereof under water | |
| CN104058695A (en) | Gravity mortar for sound barrier quick filling and preparation method thereof | |
| CN113292300A (en) | High-fluidity ultrahigh-strength cement-based grouting material and preparation method thereof | |
| CN111116106B (en) | Composite grouting slurry mixing proportion design method | |
| CN110498633B (en) | Composite additive for shield synchronous grouting material | |
| CN110615654A (en) | Curing material for reinforcing soft soil foundation in low-temperature construction and application method thereof | |
| CN108609972B (en) | High-strength quick-hardening anchor rod grouting material | |
| CN103288396B (en) | Highway post-tensioning method prestressed concrete beam channel pressure slurry material, and preparation method thereof | |
| CN108863147B (en) | Grouting material additive and application thereof | |
| CN103787610A (en) | Pervious concrete additive and preparation method thereof | |
| CN115180900B (en) | Ultrahigh-performance premixed pervious concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201599 Shanghai city in Jinshan District Zhujing Road No. 835 Applicant after: SHANGHAI LIYANG ROAD REINFORCEMENT TECHNOLOGY Co.,Ltd. Address before: 201500 Shanghai city in Jinshan District Zhujing Road No. 835 Applicant before: SHANGHAI LIYANG ROAD REINFORCMENT TECHNOLOGY Co.,Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI LIYANG ROAD REINFORCMENT TECHNOLOGY LTD. TO: SHANGHAI LIYANG ROAD REINFORCMENT TECHNOLOGY CO., LTD. Free format text: CORRECT: ADDRESS; FROM: 201500 JINSHAN, SHANGHAI TO: 201599 JINSHAN, SHANGHAI |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Grouting material for road reinforcement and its preparation method Effective date of registration: 20220721 Granted publication date: 20151021 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI LIYANG ROAD REINFORCEMENT TECHNOLOGY Co.,Ltd. Registration number: Y2022310000139 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20151021 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI LIYANG ROAD REINFORCEMENT TECHNOLOGY Co.,Ltd. Registration number: Y2022310000139 |