CN105000856A - Cementing material for marine concrete - Google Patents
Cementing material for marine concrete Download PDFInfo
- Publication number
- CN105000856A CN105000856A CN201510430837.4A CN201510430837A CN105000856A CN 105000856 A CN105000856 A CN 105000856A CN 201510430837 A CN201510430837 A CN 201510430837A CN 105000856 A CN105000856 A CN 105000856A
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- China
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- powder
- gelling material
- marine concrete
- maritime concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention discloses a cementing material for marine concrete, wherein the raw materials comprise, by weight, Portland cement clinker powder, aluminate cement clinker powder, desulfuration gypsum, phosphorus slag powder, slag powder, fly ash, quartz sand tailings powder, calcium nitrite, sulfur calcium aluminate, sodium alginate and a hydration accelerator. According to the present invention, the variety of the raw materials are subjected to the reasonable particle size matching to produce the interactive superimposed effect, effects of mutual complementing and mutual reinforcing are provided, the performance of the marine concrete is effectively improved at different stages, the good micro-grading is formed in the marine concrete, and mutual filling is performed during the hydration process, such that the marine concrete porosity is reduced and the density is substantially improved so as to enhance the harmful media penetration resistance of the marine concrete, provide performances of good permeability, sea water erosion resistance, early strength, low hydration heat and the like, improve the comprehensive performance of the marine concrete and slow the rust corrosion so as to prolong the service life of the marine concrete.
Description
Technical field
The present invention relates to a kind of gelling material, be specifically related to a kind of maritime concrete gelling material.
Background technology
China is ocean big country, and marine site is vast, and shoreline is continuous about 1.8 ten thousand kilometers.Along with development and the marine resources development formulation enforcement of China's modernization capital construction, the engineering construction project such as various places bridge spanning the sea, tunnel over strait, change off land deep water port is increasing.
For the concrete structure under briny environment, other compositions in chlorion and seawater are immersed in gradually in concrete with diffusion way under concentration gradient effect, react with gelling material wherein, cause concrete erosion, the phenomenon of structure premature failure is very serious.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide and a kind ofly have that impervious, resistant to sea water corrodes, the maritime concrete gelling material of early strong, low hydration heat performance.
For realizing the object of the invention, adopt following technical scheme:
A kind of maritime concrete gelling material, is made up of the raw material of following weight percent: Portland clinker powder 10%-20%, aluminate cement chamotte powder 5%-13%, desulfurated plaster 5%-10%, phosphorus slag powder 5%-25%, slag powders 10%-25%, flyash 10%-25%, quartz sand mine tailing 5%-15%, calcium nitrite 1%-4%, calcium sulphoaluminate 0.9%-4.98%, sodium alginate 1%-5%, hydration promoting agents 0.02%-0.1%;
Described, hydration promoting agents is one or both in tetrahydroxyethy-lethylenediamine and butyl.
Described, the specific surface area of Portland clinker powder is 340m
2/ kg-390m
2/ kg, 3d intensity>=30MPa, 28d intensity>=52.5MPa.
Described, the specific surface area of aluminate cement chamotte powder is 340m
2/ kg-390m
2/ kg, Al
2o
3content is greater than 40%.
Described, phosphorus slag powder specific surface area>=400m
2/ kg, quality coefficient K>=1.1, phosphorus pentoxide content≤3%.
Described, slag powders specific surface area>=400m
2/ kg, activity index N>=95%, loss on ignition≤3%.
Described, terra alba is the desulfurization gypsum powder after drying, wherein SO
3content is greater than 40%, and free-water is less than 2%.
Described, flyash is levigate flyash, specific surface area>=500m
2/ kg, loss on ignition≤7%, 28d resistance to compression activity index>=70%.
Described, quartz sand mine tailing is obtained after grinding by the mine tailing produced in float glass quartz sand powder process of manufacture, and fineness is 800-900 order, SiO
2content is greater than 90%.
Containing higher C in aluminate cement grog of the present invention
3a phase, can react with chlorion and generate Friedel salt (hydrated calcium chloroaluminate, C3ACaCl
210H
2o) solidification is played to chlorion.Slag powders meets S95 level breeze requirement in GB/T18046-2008 " GBFS in cement and concrete "; Quartz sand mine tailing is because its particle is less, can with the gap being filled in other material, tightly packed, improve gelling material density, can also react with gelling material hydrated product in addition, generate hydrated silicate, blocking capillary channel, and then reduce the perviousness of the destructive materials such as the chlorion that contains in seawater.The nitrite ion contained in calcium nitrite can to interact the passive film generating and have provide protection with ferrous ion, and passive film can close Cl
-deep action of rust, slows down steel bar corrosion in maritime concrete.Calcium sulphoaluminate is having under moisture existent condition, can react generate ettringite with hydrolysis product of cement, and solid volume increases, and makes cement finer and close, impervious increase.Sodium alginate can improve the glutinous poly-property of gelling material, makes it pour into a mould under water and does not gather materials and to be separated under water effect with gelling material.Hydration promoting agents can promote the aquation of cementitious material system, improves early strength.
Beneficial effect of the present invention: plurality of raw materials of the present invention, by reasonable Size Matching, produce mutual synergistic effect, and mutually supplement, mutual enhancing, make in the performance of different steps to maritime concrete and the most effectively improving, in maritime concrete, form good microstage to join simultaneously, mutually fill in hydration process, maritime concrete porosity is reduced, degree of compactness increases substantially, thus improve the ability of maritime concrete opposing hazardous medium infiltration, have well impervious, resistant to sea water corrodes, early strong, the performances such as low hydration heat, improve the over-all properties of maritime concrete, slow down corrosion, and then improve the work-ing life of maritime concrete.
Embodiment
The present invention is illustrated below in conjunction with examples of implementation.
embodiment 1
A kind of maritime concrete gelling material, is made up of the raw material of following weight percent: Portland clinker powder 10%, aluminate cement chamotte powder 13%, desulfurated plaster 5%, phosphorus slag powder 25%, slag powders 25%, flyash 10%, quartz sand mine tailing 5%, calcium nitrite 1%, calcium sulphoaluminate 4.98%, sodium alginate 1%, tetrahydroxyethy-lethylenediamine 0.02%;
Described, the specific surface area of Portland clinker powder is 340m
2/ kg-390m
2/ kg, 3d intensity>=30MPa, 28d intensity>=52.5MPa.
Described, the specific surface area of aluminate cement chamotte powder is 340m
2/ kg-390m
2/ kg, Al
2o
3content is greater than 40%.
Described, phosphorus slag powder specific surface area>=400m
2/ kg, quality coefficient K>=1.1, phosphorus pentoxide content≤3%.
Described, slag powders specific surface area>=400m
2/ kg, activity index N>=95%, loss on ignition≤3%.
Described, terra alba is the desulfurization gypsum powder after drying, wherein SO
3content is greater than 40%, and free-water is less than 2%.
Described, flyash is levigate flyash, specific surface area>=500m
2/ kg, loss on ignition≤7%, 28d resistance to compression activity index>=70%.
Described, quartz sand mine tailing is obtained after grinding by the mine tailing produced in float glass quartz sand powder process of manufacture, and fineness is 800-900 order, SiO
2content is greater than 90%.
embodiment 2
A kind of maritime concrete gelling material, is made up of the raw material of following weight percent: Portland clinker powder 14%, aluminate cement chamotte powder 10%, desulfurated plaster 7%, phosphorus slag powder 18%, slag powders 20%, flyash 15%, quartz sand mine tailing 8%, calcium nitrite 2%, calcium sulphoaluminate 3%, sodium alginate 2.96%, butyl 0.04%;
All the other are with embodiment 1.
embodiment 3
A kind of maritime concrete gelling material, is made up of the raw material of following weight percent: Portland clinker powder 18%, aluminate cement chamotte powder 8%, desulfurated plaster 7%, phosphorus slag powder 11%, slag powders 15%, flyash 20%, quartz sand mine tailing 12%, calcium nitrite 3%, calcium sulphoaluminate 2%, sodium alginate 3.92%, hydration promoting agents 0.08%;
Described, hydration promoting agents is the mixture of tetrahydroxyethy-lethylenediamine and butyl, and both weight ratios are 1:1.
All the other are with embodiment 1.
embodiment 4
A kind of maritime concrete gelling material, is made up of the raw material of following weight percent: Portland clinker powder 20%, aluminate cement chamotte powder 5%, desulfurated plaster 10%, phosphorus slag powder 5%, slag powders 10%, flyash 25%, quartz sand mine tailing 15%, calcium nitrite 4%, calcium sulphoaluminate 0.9%, sodium alginate 5%, hydration promoting agents 0.1%;
Described, hydration promoting agents is the mixture of tetrahydroxyethy-lethylenediamine and butyl, and both weight ratios are 1:1.5:.
All the other are with embodiment 1.
performance test
Adopt the maritime concrete gelling material that embodiment 1-4 is obtained, the testing method specified according to GB/T31289-2014 " extra large work silicate cement ", the performance test results sees the following form 1.
Table 1 the performance test results
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a maritime concrete gelling material, it is characterized in that, be made up of the raw material of following weight percent: Portland clinker powder 10%-20%, aluminate cement chamotte powder 5%-13%, desulfurated plaster 5%-10%, phosphorus slag powder 5%-25%, slag powders 10%-25%, flyash 10%-25%, quartz sand mine tailing 5%-15%, calcium nitrite 1%-4%, calcium sulphoaluminate 0.9%-4.98%, sodium alginate 1%-5%, hydration promoting agents 0.02%-0.1%;
Described hydration promoting agents is one or both in tetrahydroxyethy-lethylenediamine and butyl.
2. maritime concrete gelling material according to claim 1, is characterized in that, the specific surface area of described Portland clinker powder is 340m
2/ kg-390m
2/ kg, 3d intensity>=30MPa, 28d intensity>=52.5MPa.
3. maritime concrete gelling material according to claim 1, is characterized in that, the specific surface area of described aluminate cement chamotte powder is 340m
2/ kg-390m
2/ kg, Al
2o
3content is greater than 40%.
4. maritime concrete gelling material according to claim 1, is characterized in that, described phosphorus slag powder specific surface area>=400m
2/ kg, quality coefficient K>=1.1, phosphorus pentoxide content≤3%.
5. maritime concrete gelling material according to claim 1, is characterized in that, described slag powders specific surface area>=400m
2/ kg, activity index N>=95%, loss on ignition≤3%.
6. maritime concrete gelling material according to claim 1, is characterized in that, described terra alba is the desulfurization gypsum powder after drying, wherein SO
3content is greater than 40%, and free-water is less than 2%.
7. maritime concrete gelling material according to claim 1, is characterized in that, described flyash is levigate flyash, specific surface area>=500m
2/ kg, loss on ignition≤7%, 28d resistance to compression activity index>=70%.
8. maritime concrete gelling material according to claim 1, is characterized in that, described quartz sand mine tailing is obtained after grinding by the mine tailing produced in float glass quartz sand powder process of manufacture, and fineness is 800-900 order, SiO
2content is greater than 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430837.4A CN105000856B (en) | 2015-07-21 | 2015-07-21 | A kind of maritime concrete Binder Materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430837.4A CN105000856B (en) | 2015-07-21 | 2015-07-21 | A kind of maritime concrete Binder Materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105000856A true CN105000856A (en) | 2015-10-28 |
| CN105000856B CN105000856B (en) | 2016-09-07 |
Family
ID=54373775
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510430837.4A Active CN105000856B (en) | 2015-07-21 | 2015-07-21 | A kind of maritime concrete Binder Materials |
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| CN (1) | CN105000856B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162535A (en) * | 2017-07-19 | 2017-09-15 | 合肥广民建材有限公司 | A kind of light high-strength haydite concrete and preparation method thereof |
| CN107382104A (en) * | 2017-09-15 | 2017-11-24 | 北京煜煌科技有限公司 | A kind of useless type hydraulic engineering cement of profit and preparation method thereof |
| CN107572841A (en) * | 2017-09-15 | 2018-01-12 | 北京建筑大学 | A kind of low-carbon binder materials and the method for preparing concrete |
| CN107986650A (en) * | 2017-11-30 | 2018-05-04 | 嘉华特种水泥股份有限公司 | A kind of concrete gel material |
| CN108191274A (en) * | 2018-03-09 | 2018-06-22 | 山东纽曼特新材料有限责任公司 | A kind of special cementitious material of maritime concrete |
| CN108358531A (en) * | 2018-05-11 | 2018-08-03 | 河南正海实业有限公司 | A kind of hydraulic engineering grinding coagulation soil and preparation method thereof |
| CN108623228A (en) * | 2018-06-27 | 2018-10-09 | 广东盖特奇新材料科技有限公司 | A kind of seawater corrosion resistance inorganic structure fluid sealant and preparation method thereof |
| CN109455977A (en) * | 2018-12-19 | 2019-03-12 | 日照弗尔曼新材料科技有限公司 | A kind of impervious ocean concrete anticorrosion additive and preparation method thereof |
| CN109923089A (en) * | 2016-11-11 | 2019-06-21 | 电化株式会社 | Cement mixture inhibits processing method using its cement composition and the salt damage of concrete construction |
| CN110526611A (en) * | 2018-05-24 | 2019-12-03 | 中国建筑材料科学研究总院有限公司 | Concrete corrosion resistant agent and preparation method thereof |
| CN110698102A (en) * | 2019-10-31 | 2020-01-17 | 上海宝田新型建材有限公司 | Marine admixture |
| CN111470810A (en) * | 2020-04-01 | 2020-07-31 | 济南大学 | A kind of marine concrete, marine concrete impermeability agent and preparation method and application thereof |
| CN111548114A (en) * | 2020-05-14 | 2020-08-18 | 北京启顺京腾科技有限责任公司 | High-performance concrete and preparation method thereof |
| CN111925136A (en) * | 2020-07-22 | 2020-11-13 | 祎禾科技有限公司 | Self-compacting cementing material for ocean engineering and preparation method thereof |
| CN112299738A (en) * | 2020-10-29 | 2021-02-02 | 南京永能新材料有限公司 | Grinding aid special for marine cement and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066433A (en) * | 1991-05-04 | 1992-11-25 | 中国建筑材料科学研究院 | Sand-cement slurry or concrete erosion resistant material and manufacture method thereof |
| CN1477072A (en) * | 2002-08-20 | 2004-02-25 | 赵洪义 | Production method of high-strength cement |
| CN101434459A (en) * | 2007-11-13 | 2009-05-20 | 中国矿业大学(北京) | Bittern-resisting cement based on clinker (containing C4A3 phase)-slag-fly ash gel system |
| CN101659525A (en) * | 2008-08-27 | 2010-03-03 | 浙江明峰水泥有限公司 | Seawater resistant cement |
-
2015
- 2015-07-21 CN CN201510430837.4A patent/CN105000856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066433A (en) * | 1991-05-04 | 1992-11-25 | 中国建筑材料科学研究院 | Sand-cement slurry or concrete erosion resistant material and manufacture method thereof |
| CN1477072A (en) * | 2002-08-20 | 2004-02-25 | 赵洪义 | Production method of high-strength cement |
| CN101434459A (en) * | 2007-11-13 | 2009-05-20 | 中国矿业大学(北京) | Bittern-resisting cement based on clinker (containing C4A3 phase)-slag-fly ash gel system |
| CN101659525A (en) * | 2008-08-27 | 2010-03-03 | 浙江明峰水泥有限公司 | Seawater resistant cement |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923089A (en) * | 2016-11-11 | 2019-06-21 | 电化株式会社 | Cement mixture inhibits processing method using its cement composition and the salt damage of concrete construction |
| CN107162535A (en) * | 2017-07-19 | 2017-09-15 | 合肥广民建材有限公司 | A kind of light high-strength haydite concrete and preparation method thereof |
| CN107382104B (en) * | 2017-09-15 | 2020-03-27 | 天津天旺崇正水泥有限责任公司 | Waste-utilizing cement for hydraulic engineering and preparation method thereof |
| CN107382104A (en) * | 2017-09-15 | 2017-11-24 | 北京煜煌科技有限公司 | A kind of useless type hydraulic engineering cement of profit and preparation method thereof |
| CN107572841A (en) * | 2017-09-15 | 2018-01-12 | 北京建筑大学 | A kind of low-carbon binder materials and the method for preparing concrete |
| CN107572841B (en) * | 2017-09-15 | 2020-11-27 | 北京建筑大学 | A kind of low carbon cementitious material and method for preparing concrete |
| CN107986650A (en) * | 2017-11-30 | 2018-05-04 | 嘉华特种水泥股份有限公司 | A kind of concrete gel material |
| CN107986650B (en) * | 2017-11-30 | 2021-06-11 | 嘉华特种水泥股份有限公司 | Concrete cementing material |
| CN108191274A (en) * | 2018-03-09 | 2018-06-22 | 山东纽曼特新材料有限责任公司 | A kind of special cementitious material of maritime concrete |
| CN108191274B (en) * | 2018-03-09 | 2021-02-02 | 祎禾科技有限公司 | Special cementing material for marine concrete |
| CN108358531A (en) * | 2018-05-11 | 2018-08-03 | 河南正海实业有限公司 | A kind of hydraulic engineering grinding coagulation soil and preparation method thereof |
| CN110526611A (en) * | 2018-05-24 | 2019-12-03 | 中国建筑材料科学研究总院有限公司 | Concrete corrosion resistant agent and preparation method thereof |
| CN108623228A (en) * | 2018-06-27 | 2018-10-09 | 广东盖特奇新材料科技有限公司 | A kind of seawater corrosion resistance inorganic structure fluid sealant and preparation method thereof |
| CN109455977A (en) * | 2018-12-19 | 2019-03-12 | 日照弗尔曼新材料科技有限公司 | A kind of impervious ocean concrete anticorrosion additive and preparation method thereof |
| CN110698102A (en) * | 2019-10-31 | 2020-01-17 | 上海宝田新型建材有限公司 | Marine admixture |
| WO2021082105A1 (en) * | 2019-10-31 | 2021-05-06 | 上海宝田新型建材有限公司 | Maritime work aggregate |
| CN111470810A (en) * | 2020-04-01 | 2020-07-31 | 济南大学 | A kind of marine concrete, marine concrete impermeability agent and preparation method and application thereof |
| CN111548114A (en) * | 2020-05-14 | 2020-08-18 | 北京启顺京腾科技有限责任公司 | High-performance concrete and preparation method thereof |
| CN111925136A (en) * | 2020-07-22 | 2020-11-13 | 祎禾科技有限公司 | Self-compacting cementing material for ocean engineering and preparation method thereof |
| CN112299738A (en) * | 2020-10-29 | 2021-02-02 | 南京永能新材料有限公司 | Grinding aid special for marine cement and preparation method thereof |
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Address after: 276034 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong District, Linyi City, Shandong Province Patentee after: LINYI HONGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Patentee before: SHANDONG HONGYI TECHNOLOGY Co.,Ltd. |
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Address after: 276000 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong, Linyi City, Shandong Province Patentee after: Linyi conch New Material Technology Co.,Ltd. Address before: 276034 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong District, Linyi City, Shandong Province Patentee before: LINYI HONGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. |