CN104844062B - Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive - Google Patents
Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive Download PDFInfo
- Publication number
- CN104844062B CN104844062B CN201510208479.2A CN201510208479A CN104844062B CN 104844062 B CN104844062 B CN 104844062B CN 201510208479 A CN201510208479 A CN 201510208479A CN 104844062 B CN104844062 B CN 104844062B
- Authority
- CN
- China
- Prior art keywords
- mixing pile
- cement mixing
- additive
- nano
- haiyang
- 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
- 239000004568 cement Substances 0.000 title claims abstract description 75
- 238000002156 mixing Methods 0.000 title claims abstract description 74
- 239000000654 additive Substances 0.000 title claims abstract description 35
- 230000000996 additive effect Effects 0.000 title claims abstract description 35
- 239000002689 soil Substances 0.000 title abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 12
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000001110 calcium chloride Substances 0.000 claims abstract description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 11
- 239000013530 defoamer Substances 0.000 claims abstract description 10
- 238000012986 modification Methods 0.000 claims description 28
- 230000004048 modification Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 229920005646 polycarboxylate Polymers 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 239000002198 insoluble material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 239000010802 sludge Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention provides a nano modified cement mixing pile additive suitable for an ocean rock-soil environment. The nano modified cement mixing pile additive is prepared from suchcomponents in percentage by mass as 25%-35% of nano SiO2, 15%-20% of hyperdispersant, 2-3% of triethanolamine, 0.5%-0.8% of defoamer, 5-10% of calcium chloride and the balance of water, and the sum of the components is 100%. The preparation method of the nano modified cement mixing pile additive comprises the steps of taking the components in the percentage by mass, firstly, adding the hyperdispersant, the defoamer and the calcium chloride to mixing water for stirring and dissolving, filtering out insoluble materials to obtain a solution A, next, adding the nano SiO2 and the triethanolamine to the solution A, and stirring and mixing evenly. The nano modified cement mixing pile additive is capable of greatly improving the early-stage mechanical properties of the cement mixing pile under the ocean rock-soil environment and optimizing the mechanical property development law, and also improving the capability of the cement mixing pile resisting the ocean corrosive environment.
Description
Technical field
The present invention relates to a kind of cement mixing pile additive and preparation method thereof, especially suitable Yu Haiyang, seashore and strand
The cement mixing pile engineering of environment.
Background technology
Cement mixing pile is a kind of simple and effective method for processing foundation commonly used in engineering.With China ocean and edge
Extra large regional development deepens continuously, and numerous oceans, seashore and strand engineering are built, as one of the principal mode of basement process,
Cement mixing pile also begins to widely apply in the Geotechnical Engineering of ocean.
However, there is substantial amounts of Cl in the Geotechnical Environment of ocean-、SO4 2-And Na+、Mg2+Deng Korrosionsmedium, some ambient soils
Cl in subsoil water-Concentration is more than 10000mg/L, Mg2+And SO4 2-Concentration also can usually reach 1000mg/L, these Korrosionsmediums
Superposition be extremely unfavorable for cement mixing pile pile and pile body durability, or even jeopardize the safety of engineering and normal
Use；In this case, employing increases considerably the conventional meanses such as cement consumption and is also unable to reach gratifying technology effect
Really.Therefore, how to improve the mechanical property law of development of cement mixing pile under the Geotechnical Environment of ocean and significantly improve its durability
Ocean, seashore and strand engineering foundation can be had become and process the pressing issues for facing.
Although having some modification methods for littoral environment cement mixing pile at present, for example with silica flour, metakaolin
Or the mineral admixture such as flyash, Calx improves hydrolysis product of cement composition and improves the durability that salt loses environment cement mixing pile
Can, using the cement mixing pile shrinkage of the improvement such as polypropylene fibre, natural fiber, using Gypsum Fibrosum, sodium bicarbonate and phosphoric acid hydrogen
The agent of sodium equal excitation improves the mechanical property of cement mixing pile early stage, improves cement mixing using water absorbing material such as polyacrylamides
The anti-permeability performance of stake, is also had and prepares the high-performance water for being adapted to foundation after being mixed with arid soil using nano material and fiber
The method of soil.However, these methods all fail from the comprehensive of the mechanical property law of development and micro structure improved under whole age
Close angle to set out, therefore, it is difficult to increasing substantially mechanics and the endurance quality of ocean Geotechnical Environment cement mixing pile.
Invention is held
It is an object of the invention to overcome deficiency of the prior art, there is provided a kind of nanometer of suitable Yu Haiyang Geotechnical Environment
Modified cement mixing pile additive and preparation method thereof.
The nano modification cement mixing pile additive of the ocean Geotechnical Environment of the present invention, its component and its mass fraction are such as
Under：
Nano-meter SiO_2225%~35%；
Hyper-dispersant 15% ~ 20%；
Triethanolamine 2 ~ 3%；
Defoamer 0.5% ~ 0.8%；
Calcium chloride 5 ~ 10%；
Remaining is water, and said components sum is 100%.
In the present invention, described Nano-meter SiO_22Particle diameter be 30-50nm.
In the present invention, described hyper-dispersant is polycarboxylate water-reducer.
In the present invention, described defoamer is organic silicon polyether composite anti-foaming agent.
The present invention suitable Yu Haiyang Geotechnical Environment nano modification cement mixing pile additive preparation method, including with
Lower step：
1）Each component is taken by claim 1 proportioning, hyper-dispersant, defoamer and calcium chloride is added in mixing water and is stirred
Dissolving, is filtered to remove insoluble matter, obtains solution A；
2）By Nano-meter SiO_22It is added in solution A with triethanolamine, is uniformly mixed, obtains being adapted to Yu Haiyang ground ring
The nano modification cement mixing pile additive in border.
Compared with prior art, the invention has the beneficial effects as follows：
Preparation process is simple of the present invention, due to Nano-meter SiO_22Nucleus, active and ultra-fine filling effect, triethanolamine and chlorine
Change composite high-early strength effect and absorption dispersion and the moistening lubrication of hyper-dispersant of calcium, greatly optimize the aquation of cement
The mechanical property and compaction rate of process and cement mixing pile, simultaneously because Nano-meter SiO_22The aquation that cement is refined with defoamer is produced
The pore structure of thing and optimization cement mixing pile so that the micro structure of whole cement mixing pile is more closely knit under the Geotechnical Environment of ocean
Rationally, so as to significantly improving its resistivity to strand corrosive environment, it is ensured that engineering safety and normal use, it is suitable for sea
The cement mixing pile engineering of ocean, seashore and littoral environment.
Specific embodiment
Below by way of example, the present invention is further described.
Embodiment 1
1）Each component is taken by mass fraction proportioning：Nano-meter SiO_2 of the particle diameter for 30-50nm2 25%；Polycarboxylate water-reducer 15%；
Triethanolamine 2%；Organic silicon polyether composite anti-foaming agent 0.5%；Calcium chloride 5%, remaining is water, and said components sum is 100%.
2）Polycarboxylate water-reducer, organic silicon polyether composite anti-foaming agent and calcium chloride are added to into stirring and dissolving in mixing water,
Insoluble matter is filtered to remove, solution A is obtained；Then by Nano-meter SiO_22It is added in solution A with triethanolamine, is uniformly mixed,
Obtain being adapted to the nano modification cement mixing pile additive of Yu Haiyang Geotechnical Environment.
Littoral environment pond sludge, pond sludge are in grey black, flow modeling, are mainly made up of cohesive soil, and toughness and dry strength are low, water content
For 48%；Contain a large amount of Korrosionsmediums, wherein Na in the environmental groundwter+、Ca2+、Mg2+、Cl-、SO4 2-Deng leading ion concentration
Respectively 6030,805,1295,9005,1250mg/L.
According to nano modification cement mixing pile additive：42.5 level Portland cement：Water：Pond sludge=2:15:7.5:
100 proportioning carries out mix and obtains within 6 minutes the cement mixing pile material mixed with nano modification cement mixing pile additive.
The cement mixing pile material obtained by said method pours into 70.7*70.7*70.7mm test specimens, places after form removal
Conserved in the subsoil water of strand.According to《Soil cement mix-design code》Test 30 days, 90 days and 180 days without lateral spacing
Comprcssive strength, while contrasted with the test specimen for not mixing nano modification cement mixing pile additive：30 days unconfined compressive strengths
2.57MPa is promoted to from 2.25MPa, increasing degree is 14.2%；Unconfined compressive strength is promoted to 4.12MPa from 3.47MPa within 90 days,
Increasing degree is 18.7%；180 days unconfined compressive strengths are promoted to 4.68MPa from 3.81MPa, and increasing degree is 18.6%.
Embodiment 2
Nano modification cement mixing pile additive and its preparation are with embodiment 1.
Littoral environment pond sludge, pond sludge are in grey black, flow modeling, are mainly made up of cohesive soil, and toughness and dry strength are low, water content
For 48%；Contain a large amount of Korrosionsmediums, wherein Na in the environmental groundwter+、Ca2+、Mg2+、Cl-、SO4 2-Deng leading ion concentration
Respectively 6030,805,1295,9005,1250mg/L.
According to nano modification cement mixing pile additive：42.5 level Portland cement：Water：Pond sludge=2:22:7.5:
100 proportioning carries out mix and obtains within 6 minutes the cement mixing pile material mixed with nano modification cement mixing pile additive.
The cement mixing pile material obtained by said method pours into 70.7*70.7*70.7mm test specimens, places after form removal
Conserved in the subsoil water of strand.According to《Soil cement mix-design code》Test 30 days, 90 days and 180 days without lateral spacing
Comprcssive strength, while contrasted with the test specimen for not mixing nano modification cement mixing pile additive：30 days unconfined compressive strengths
3.57MPa is promoted to from 3.31MPa, increasing degree is 7.9%；Unconfined compressive strength is promoted to 5.03MPa from 4.24MPa within 90 days, rises
Width is 18.6%；180 days unconfined compressive strengths are promoted to 5.25MPa from 4.38MPa, and increasing degree is 19.9%.
Embodiment 3
1）Each component is taken by mass fraction proportioning：Nano-meter SiO_2 of the particle diameter for 30-50nm235%；Polycarboxylate water-reducer 20%；
Triethanolamine 3%；Organic silicon polyether composite anti-foaming agent 0.8%；Calcium chloride 10%；Remaining is water, and said components sum is 100%.
2）Polycarboxylate water-reducer, organic silicon polyether composite anti-foaming agent and calcium chloride are added to into stirring and dissolving in mixing water,
It is filtered to remove insoluble matter and obtains solution A；Then by Nano-meter SiO_22It is added in solution A with triethanolamine, is uniformly mixed, obtains
To the nano modification cement mixing pile additive of suitable Yu Haiyang Geotechnical Environment.
Littoral environment pond sludge, pond sludge are in grey black, flow modeling, are mainly made up of cohesive soil, and toughness and dry strength are low, water content
For 48%；Contain a large amount of Korrosionsmediums, wherein Na in the environmental groundwter+、Ca2+、Mg2+、Cl-、SO4 2-Deng leading ion concentration
Respectively 6030,805,1295,9005,1250mg/L.
According to nano modification cement mixing pile additive：42.5 level Portland cement：Water：Pond sludge=2:22:7.5:
100 proportioning carries out mix and obtains within 6 minutes the cement mixing pile material mixed with nano modification cement mixing pile additive.
The cement mixing pile material obtained by said method pours into 70.7*70.7*70.7mm test specimens, places after form removal
Conserved in the subsoil water of strand.According to《Soil cement mix-design code》Test 30 days, 90 days and 180 days without lateral spacing
Comprcssive strength, while contrasted with the test specimen for not mixing nano modification cement mixing pile additive：30 days unconfined compressive strengths
3.98MPa is promoted to from 3.31MPa, increasing degree is 20.2%；Unconfined compressive strength is promoted to 5.54MPa from 4.24MPa within 90 days,
Increasing degree is 30.7%；180 days unconfined compressive strengths are promoted to 5.97MPa from 4.38MPa, and increasing degree is 36.3%.
Embodiment 4
Nano modification cement mixing pile additive and its preparation are with embodiment 3.
Coastal environment becomes silted up and bankets, and silt is banketed in lark, stream modeling, is mainly made up of cohesive soil, and toughness and dry strength are low, contain
The water yield is 51%；Contain a large amount of Korrosionsmediums, wherein Na in the environmental groundwter+、Ca2+、Mg2+、Cl-、SO4 2-Deng leading ion
Concentration respectively 7150,1215,1680,11015,1460mg/L.
According to nano modification cement mixing pile additive：42.5 level Portland cement：Water：Silt bankets=2:22:7.5:
100 proportioning carries out mix and obtains within 6 minutes the cement mixing pile material mixed with nano modification cement mixing pile additive.
The cement mixing pile material obtained by said method pours into 70.7*70.7*70.7mm test specimens, places after form removal
Conserved in the subsoil water of strand.According to《Soil cement mix-design code》Test 30 days, 90 days and 180 days without lateral spacing
Comprcssive strength, while contrasted with the test specimen for not mixing nano modification cement mixing pile additive：30 days unconfined compressive strengths
3.06MPa is promoted to from 2.23MPa, increasing degree is 37.2%；Unconfined compressive strength is promoted to 4.53MPa from 3.16MPa within 90 days,
Increasing degree is 43.4%；180 days unconfined compressive strengths are promoted to 4.89MPa from 3.18MPa, and increasing degree is 53.8%.
Method of the present invention, on the one hand by Nano-meter SiO_22Nucleus, active and ultra-fine filling effect, significantly improve
The hydration rate of cement early stage and improve the degree of compaction of middle and late stage cement mixing pile, while answering by triethanolamine and calcium chloride
Early strength function and the absorption dispersion of hyper-dispersant and moistening lubrication is closed, is significantly improved cement under the Geotechnical Environment of ocean and is stirred
Mix the early mechanics characteristics of stake and optimize its mechanical property law of development, so that cement mixing pile is improved to marine corrosion environment
Resistivity；On the other hand pass through Nano-meter SiO_22The hole of the hydrated product and optimization cement mixing pile of cement is refined with defoamer
Structure so that the micro structure of whole cement mixing pile is more closely knit rationally under the Geotechnical Environment of ocean, right so as to further improve which
The resistivity of marine corrosion environment.The nano modification cement mixing pile additive of this ocean Geotechnical Environment is particularly well-suited to sea
The cement mixing pile engineering of ocean, seashore and littoral environment.
Listed above be only the present invention be embodied as example.It is clear that the invention is not restricted to above example is sub, at this
In the spirit and scope of the claims of invention, any modifications and changes made to the present invention are considered as this
Bright protection domain.
Claims (5)
1. a kind of nano modification cement mixing pile additive of suitable Yu Haiyang Geotechnical Environment, it is characterised in that its component and its
Mass fraction is as follows：
Nano-meter SiO_2225%~35%；
Hyper-dispersant 15% ~ 20%；
Triethanolamine 2 ~ 3%；
Defoamer 0.5% ~ 0.8%；
Calcium chloride 5 ~ 10%；
Remaining is water, and said components sum is 100%.
2. the nano modification cement mixing pile additive of suitable Yu Haiyang Geotechnical Environment according to claim 1, its feature
It is described Nano-meter SiO_22Particle diameter be 30-50nm.
3. the nano modification cement mixing pile additive of suitable Yu Haiyang Geotechnical Environment according to claim 1, its feature
Hyper-dispersant described in being is polycarboxylate water-reducer.
4. the nano modification cement mixing pile additive of suitable Yu Haiyang Geotechnical Environment according to claim 1, its feature
It is that described defoamer is organic silicon polyether composite anti-foaming agent.
5. prepare claim 1 described in suitable Yu Haiyang Geotechnical Environment nano modification cement mixing pile additive method,
It is characterized in that comprising the following steps：
1）Each component is taken by claim 1 proportioning, hyper-dispersant, defoamer and calcium chloride is added in mixing water and is stirred molten
Solution, is filtered to remove insoluble matter, obtains solution A；
2）By Nano-meter SiO_22It is added in solution A with triethanolamine, is uniformly mixed, obtains being adapted to Yu Haiyang Geotechnical Environment
Nano modification cement mixing pile additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208479.2A CN104844062B (en) | 2015-04-29 | 2015-04-29 | Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208479.2A CN104844062B (en) | 2015-04-29 | 2015-04-29 | Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104844062A CN104844062A (en) | 2015-08-19 |
| CN104844062B true CN104844062B (en) | 2017-03-22 |
Family
ID=53844109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208479.2A Active CN104844062B (en) | 2015-04-29 | 2015-04-29 | Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104844062B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906226B (en) * | 2016-04-14 | 2018-02-23 | 杭州来宝得新材料科技有限公司 | A kind of preparation method of cement mixing pile compound additive, curing materials and compound additive |
| CN106431051A (en) * | 2016-09-06 | 2017-02-22 | 广东华路交通科技有限公司 | Composite additive adapted to Guangdong coastal deep soft soil rapid pile-forming cement mixing pile |
| CN107032650A (en) * | 2016-11-25 | 2017-08-11 | 新沂市中诺新材料科技有限公司 | It is a kind of to be used to strengthen the concrete and its additive of anti-pressure ability |
| CN112028534B (en) * | 2020-08-25 | 2021-06-18 | 北京金隅水泥节能科技有限公司 | Early-strength water reducing agent, production process and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081981B (en) * | 2007-07-13 | 2010-07-21 | 浙江大学 | Muck soil composite curing agent |
| CN102517031A (en) * | 2011-11-08 | 2012-06-27 | 宁波大学 | Novel mucky soil composite curing agent |
| CN103253899B (en) * | 2013-05-17 | 2014-12-10 | 连云港港口工程设计研究院有限公司 | Silt solidification method |
| CN104108905B (en) * | 2014-07-09 | 2016-01-20 | 浙江建设职业技术学院 | A kind of early-strength type composite curing agent of high organic mudflat sludge and application thereof |
-
2015
- 2015-04-29 CN CN201510208479.2A patent/CN104844062B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104844062A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Development of sustainable concrete incorporating seawater: A critical review on cement hydration, microstructure and mechanical strength | |
| Somna et al. | Effect of ground bagasse ash on mechanical and durability properties of recycled aggregate concrete | |
| Goodarzi et al. | Stabilization treatment of a dispersive clayey soil using granulated blast furnace slag and basic oxygen furnace slag | |
| Abdullah et al. | The effect of various chemical activators on pozzolanic reactivity: A review | |
| CN104844062B (en) | Nano modified cement mixing pile additive suitable for ocean rock-soil environment and preparation method of additive | |
| Chen et al. | Design of a chitosan modifying alkali-activated slag pervious concrete with the function of water purification | |
| CN104860571B (en) | Concrete surface sealing and curing processes reinforcing agent | |
| CN105174854A (en) | Powder concrete with ceramic polishing powder | |
| Al-Amoudi et al. | Lime-activation of natural pozzolan for use as supplementary cementitious material in concrete | |
| CN106565164A (en) | Modified high-sulfate-resistant corrosion-resistant concrete | |
| Li et al. | Investigation on the chloride ion erosion mechanism of cement mortar in coastal areas: From experiments to molecular dynamics simulation | |
| CN113185980A (en) | Lead-polluted soil curing agent combining red mud, carbide slag and phosphogypsum and preparation method thereof | |
| CN114262206A (en) | Alkali-activated concrete prepared from cement wastewater | |
| Liu et al. | Carbonation of recycled aggregate and its effect on properties of recycled aggregate concrete: A review | |
| Zhang et al. | Durability of marine concrete doped with nanoparticles under joint action of Cl-erosion and carbonation | |
| Liu et al. | Treatment of bayer-process red mud through microbially induced carbonate precipitation | |
| Wang et al. | Effects of incorporating polynary SCMs on sulfate resistance and chloride impermeability of concrete considering capillary action in dry-wet cycling environment | |
| CN106565119B (en) | Ocean engineering corrosion resistance of chloride ion composite blending material for concrete | |
| Jahani et al. | 4-year monitoring of degradation mechanisms of seawater sea-sand concrete exposed to tidal conditions: development of chemical composition and micro-performance | |
| Gu et al. | Research on the preparation and properties of GBFS-based mud solidification materials | |
| Tomoyose et al. | Utilization of volcanic ejecta as a high-performance supplementary cementitious material by gravity classification and pulverization | |
| Dey et al. | Towards net-zero emission: A case study investigating sustainability potential of geopolymer concrete with recycled glass powder and gold mine tailings | |
| Chen et al. | The mechanical properties of coastal soil treated with cement | |
| Yang et al. | Effect of graphenene nanoplatelets on microstructure and properties of cement mortar under simulated acid rain | |
| CN110922121A (en) | Alkaline electrolyzed water concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |