CN106396523A - Using method of geopolymer based self-levelling ground material - Google Patents

Using method of geopolymer based self-levelling ground material Download PDF

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Publication number
CN106396523A
CN106396523A CN201610792484.7A CN201610792484A CN106396523A CN 106396523 A CN106396523 A CN 106396523A CN 201610792484 A CN201610792484 A CN 201610792484A CN 106396523 A CN106396523 A CN 106396523A
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water
parts
geopolymer
ground
self
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汪海风
杨辉
张继
樊先平
华怀偶
杨晨
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Zigong Innovation Center of Zhejiang University
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Zigong Innovation Center of Zhejiang University
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60—Flooring materials
    • C04B2111/62—Self-levelling compositions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to the technical field of building materials, and aims to provide a using method of a geopolymer-based self-levelling ground material. The material includes a geopolymer, an expanding agent, a redispersible latex powder, a reinforcing fiber, a defoaming agent, a water reducing agent, water and an aggregate; the geopolymer is composed of an aluminum-silicon raw material and an alkali activator. The using method includes the steps: firstly, dissolving the alkali activator in water and placing for 24 h; followed by successively adding the rest of raw material components, stirring for 2-10 min by a mortar stirrer, then casting the ground, self-levelling, molding, and curing to form the ground material. With the geopolymer as a cementitious material, the method has the advantages of less energy consumption and less environmental pollution; the formula is reasonable in design, the expanding agent and the reinforcing fiber can decrease shrinkage and cracking of the ground material, the redispersible latex powder can improve the toughness and surface smoothness of the ground material, the defoaming agent can prevent the ground material from generating a hole structure, and thus the application of the geopolymer material in the engineering construction field is developed.

Description

The using method of geopolymer based self-leveling earth material
Technical field
The present invention relates to a kind of using method of geopolymer based self-leveling earth material, belong to building material field.
Background technology
Gravity flow flat ground material is one kind of growing up of 20 century 70s with inorganic or organic cementing material as base Material, the building ground alignment material mixing with fine sand, various additive, only need to add by the ratio of mud scope of regulation during use Water uniform mixing, after machinery pumping or artificial construction, need not be manually floating, flow under self gravitation effect, by slurry and form table Face is smooth, the terrace surface layer of economy and durability.It is the ground surface consolidations such as large supermarket, market, parking lot, factory floor and warehouse Ideal material, is also a developing direction of present building ground construction, and market potential is very big.Gravity flow flat ground material is according to glue Gel material is different, can be divided into Gypsum Fibrosum system, cement system, polymer cement system.Currently, cement system gravity flow flat ground material account for leading Status, but cement is high energy consumption, high pollutive industries.According to measuring and calculating, often produce one ton of cement and need to expend coal 115kg and electric 108kW H, and cement industry is granular material discharged accounts for the 15%～20% of national particle thing total emission volumn, and nitrogen oxide emission accounts for entirely 10%～12%, CO of state's total amount2Discharge capacity occupies first of each industry, is 7.5 times of average national level, and heavy metal Hg discharges Account for the 14% of national mercury emissions.
Geopolymer is with silica-aluminum materialses as raw material, under alkali-activator effect, room temperature or less than synthesis at 150 DEG C A kind of novel gelled material, have the advantages that raw material sources are wide, process is simple, less energy consumption, environmental pollution little.But at present, ground gathers Compound there is also poor toughness, the shortcomings of easy shrinkage cracking, have impact on its application in fields such as engineering constructions.
Content of the invention
The technical problem to be solved in the present invention is to overcome in prior art and be polymerized the shortcomings of poor toughness, easy shrinkage cracking, By formulas optimized design, provide a kind of using method of geopolymer based self-leveling earth material.
For solving technical problem, the solution of the present invention is：
A kind of using method of geopolymer based self-leveling earth material is provided, comprises the following steps：First by alkali-activated carbonatite Agent is soluble in water, places 24h；Then sequentially add remaining each raw material components in proportion, using mortar mixer stirring 2～ After 10min, pour ground, Self-leveling molding, after solidification, become earth material；
Described geopolymer based self-leveling earth material includes following each components by weight calculating：Geopolymer 100 Part, 5～10 parts of extender, 1～3 part of redispersable latex powder, 0.1～0.2 part of reinforcing fiber, 0.4～0.8 part of defoamer, subtract 0.5～1 part of water preparation, 20～40 parts of water, gathers materials 100～200 parts；Wherein, geopolymer is by alumina-silica raw material and alkali-activator group Become, weight ratio is for 100: 10～20.
In the present invention, described extender is calcium sulphoaluminate class, calcium oxide or calcium sulphoaluminate-calcium oxide concrete expansion A kind of in agent, limited expansion rate >=0.025% of 7 days in water；Described redispersable latex powder is for ethylene/vinyl acetate altogether A kind of in polymers, vinyl acetate/versatic acid ethylene copolymer or acrylic polymer；Described reinforcing fiber be PP fiber or PVA fiber, 2～20 μm of diameter, length 1～5cm；Described defoamer is silicone or polyacrylic defoamer；Described subtract Water preparation is polycarboxylic acids dehydragent；Described gather materials for quartziferous river sand, modulus of fineness is 0.8～1.2, clay content≤0.5%.
In the present invention, described alumina-silica raw material is metakaolin, flyash, slag, slag, mine tailing, glass dust or silica flour In one or more, particle diameter≤200 mesh；Described alkali-activator is NaOH or Na2O·nSiO2, n=1.0～2.5.
Inventive principle describes：
The present invention is dissolved under alkali-activator effect using alumina-silica raw material, is polymerized formation hard geopolymer gelling Material characteristics, develop gravity flow self-leveling floor material；And it is aided with extender, reinforcing fiber, latex powder as important admixture, solve ground Polymer gel material fragility is big, easy shrinkage cracking inherent shortcoming.Meanwhile, it is aided with defoamer, water reducer, each serve as elimination ground Level ground surface pores defect and enhancing floor material intensity effect, and fine aggregate sand plays enhancing floor material hardness and wear-resisting work With.
Compared with prior art, the invention has the beneficial effects as follows：
(1), with geopolymer as Binder Materials, less energy consumption, environmental pollution are little for the present invention, reduce the ring that conventional cement brings Border pollution, the drawback such as energy consumption is big, meet national energy-saving and reduce discharging policy；
(2) formula is reasonable in design, and extender, reinforcing fiber can reduce ground earth material shrinkage cracking, Redispersable latex Powder can improve earth material toughness and surface smoothness, and defoamer is avoided that cavernous structure in earth material, opened up ground and gathered Compound material is in the application in engineering construction field.
(3) geopolymer based self-leveling earth material performance of the present invention is according to JCT985-2005 standard testing, conformance with standard Require.
Specific embodiment
With reference to specific embodiment, the realization of the present invention is described in detail.
In the present invention, the optional 2 grades of flyash of described flyash；S95 in slag optional satisfaction " GBT18046-2008 " standard The slag of level；The optional metallic ore mine tailing of described mine tailing or nonmetallic ore mine tailing.
The using method of geopolymer based self-leveling earth material of the present invention, comprises the following steps：First alkali is swashed Send out agent soluble in water, place 24h；Then sequentially add remaining each raw material components in proportion, using mortar mixer stirring 2～ After 10min, pour ground, Self-leveling molding, after solidification, become earth material.
Embodiment 1
Weigh Na2O·SiO2Be dissolved in 20 parts of water, place 24h after, sequentially add metakaolin (particle diameter≤200 mesh, higher Ridge soil and Na2O·SiO2Weight is than for 100:10, totally 100 parts), (100 parts, modulus of fineness 0.8～1.2, containing mud for quartziferous river sand Amount≤0.5%), calcium sulphoaluminate class cement expansive material (5 parts, limited expansion rate >=0.025% (7 days in water)), ethylene/acetic acid Vinyl ester copolymers latex powder (2 parts), PVA fiber (0.1 part), silicone defoamer (0.4 part), polycarboxylate water-reducer (1 Part), after mortar mixer stirring 2min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 2
Weigh Na2O·1.2SiO2It is dissolved in 30 parts of water, after placing 24h, sequentially add slag (particle diameter≤200 mesh, slag With Na2O·SiO2Weight is than for 100:15, totally 100 parts), quartziferous river sand (150 parts, modulus of fineness 0.8～1.2, clay content≤ 0.5%), calcium sulphoaluminate class cement expansive material (10 parts, limited expansion rate >=0.025% (7 days in water)), ethylene/acetic acid second Enoate copolymer latex powder (1 part), PP fiber (0.2 part), silicone defoamer (0.6 part), polycarboxylate water-reducer (0.8 Part), after mortar mixer stirring 5min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 3
Weigh Na2O·1.2SiO2It is dissolved in 35 parts of water, after placing 24h, sequentially add slag, flyash (particle diameter≤200 Mesh, slag, flyash and Na2O·SiO2Weight is than for 100:16, totally 100 parts, wherein slag, flyash weight are than for 7：3)、 Quartziferous river sand (200 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium sulphoaluminate class-calcium oxide concrete are swollen Swollen dose (8 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (2 parts), PVA fiber (0.1 part), polyacrylic defoamer (0.4 part), polycarboxylate water-reducer (0.5 part), are stirred using mortar mixer After 10min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 4
Weigh Na2O·1.5SiO2It is dissolved in 35 parts of water, after placing 24h, sequentially add slag, flyash, silica flour (particle diameter ≤ 200 mesh, slag, flyash, silica flour and Na2O·SiO2Weight is than for 100:20, totally 100 parts, wherein slag, flyash, silicon Grain weight amount is than for 10:9:1), quartziferous river sand (180 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium oxide mix Solidifying soil expansion agent (5 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (1 part), PVA fiber (0.2 part), silicone defoamer (0.4 part), polycarboxylate water-reducer (0.5 part), using mortar mixer After stirring 8min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 5
Weigh Na2O·1.2SiO2It is dissolved in 30 parts of water, after placing 24h, sequentially add slag, scum, glass dust (particle diameter ≤ 200 mesh, slag, scum, glass dust and Na2O·SiO2Weight is than for 100:12, totally 100 parts, wherein slag, scum, glass Grain weight amount ratio respectively 5:4:1), quartziferous river sand (180 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), sulfur aluminic acid Calcium class-calcium oxide cement expansive material (8 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid second Alkene copolymer latex powder (1 part), PP fiber (0.1 part), silicone defoamer (0.4 part), polycarboxylate water-reducer (0.6 part), After mortar mixer stirring 8min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 6
Weigh Na2O·1.4SiO2Be dissolved in 30 parts of water, place 24h after, sequentially add slag, scum (particle diameter≤200 mesh, Slag, scum and Na2O·SiO2Weight is than for 100:16, totally 100 parts, wherein slag, scum weight are than for 1:1), quartziferous river Husky (180 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium sulphoaluminate class-calcium oxide cement expansive material (5 parts, Limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (1 part), PP fiber (0.1 Part), silicone defoamer (0.8 part), polycarboxylate water-reducer (0.6 part), using mortar mixer stirring 8min after, pour ground Face, Self-leveling molding, form earth material after solidification.Performance is shown in Table 1.
Embodiment 7
Weigh Na2O·1.6SiO2Be dissolved in 30 parts of water, place 24h after, sequentially add slag, metallic ore mine tailing (particle diameter≤ 200 mesh, slag, mine tailing and Na2O·SiO2Weight is than for 100:14, totally 100 parts, wherein slag, mine tailing weight are than for 1:1), stone English matter river sand (180 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium sulphoaluminate class-calcium oxide concrete expansion Agent (8 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (1 part), PP Fiber (0.1 part), polyacrylic defoamer (0.6 part), polycarboxylate water-reducer (1 part), stir 8min using mortar mixer Afterwards, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 8
Weigh Na2O·2.5SiO2Be dissolved in 40 parts of water, place 24h after, sequentially add slag, nonmetallic ore mine tailing mine tailing, Flyash, silica flour (particle diameter≤200 mesh, slag, mine tailing, flyash, silica flour and Na2O·SiO2Weight is than for 100:15, totally 100 Part, wherein slag, mine tailing, flyash, silica flour weight ratio respectively 12:4:3:1), quartziferous river sand (200 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium sulphoaluminate class cement expansive material (10 parts, limited expansion rate >=0.025% is (7 in water My god)), vinyl acetate/versatic acid ethylene copolymer latex powder (3 parts), PP fiber (0.1 part), silicone defoamer (0.4 Part), polycarboxylate water-reducer (0.7 part), using mortar mixer stirring 8min after, pour ground, Self-leveling molding, shape after solidification Become earth material.Performance is shown in Table 1.
Embodiment 9
Weigh Na2O·2.3SiO2Be dissolved in 35 parts of water, place 24h after, sequentially add metakaolin, flyash (particle diameter≤ 200 mesh, metakaolin, flyash and Na2O·SiO2Weight is than for 100:18, totally 100 parts, wherein metakaolin, flyash weight Amount ratio is 3:2), quartziferous river sand (200 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium oxide concrete are swollen Swollen dose (10 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (3 parts), PP fiber (0.1 part), silicone defoamer (0.4 part), polycarboxylate water-reducer (0.7 part), are stirred using mortar mixer After 8min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Embodiment 10
Weigh NaOH to be dissolved in 35 parts of water, place 24h after, sequentially add metakaolin, flyash (particle diameter≤200 mesh, partially Kaolin, flyash and NaOH weight are than for 100:18, totally 100 parts, wherein slag, mine tailing, flyash, silica flour weight are than respectively For 12:4:3:1), quartziferous river sand (200 parts, modulus of fineness 0.8～1.2, clay content≤0.5%), calcium oxide concrete are swollen Swollen dose of (9.95 parts, limited expansion rate >=0.025% (7 days in water)), vinyl acetate/versatic acid ethylene copolymer latex powder (3 Part), PP fiber (0.15 part), silicone defoamer (0.4 part), polycarboxylate water-reducer (0.7 part), stirred using mortar mixer After mixing 8min, pour ground, Self-leveling molding, after solidification, form earth material.Performance is shown in Table 1.
Table 1. geopolymer based self-leveling earth material performance (with reference to JCT985-2005)
Contrast embodiment
Following comparative example, all based on the minimum case embodiment 3 of the size changing rate in above-mentioned 10 cases It is configured.
Comparative example 1
By " calcium sulphoaluminate class-calcium oxide cement expansive material (8 parts, limited expansion rate >=0.025% in embodiment 3 (7 days in water)) " it is replaced by " calcium sulphoaluminate class-calcium oxide cement expansive material (0 part, limited expansion rate >=0.025% (water In 7 days)) ", remaining is same as embodiment 3.Performance is shown in Table 2.
Comparative example 2
By " calcium sulphoaluminate class-calcium oxide cement expansive material (8 parts, limited expansion rate >=0.025% in embodiment 3 (7 days in water)) " it is replaced by " calcium sulphoaluminate class-calcium oxide cement expansive material (4 parts, limited expansion rate >=0.025% (water In 7 days)) ", remaining is same as embodiment 3.Performance is shown in Table 2.
Comparative example 3
By " calcium sulphoaluminate class-calcium oxide cement expansive material (8 parts, limited expansion rate >=0.025% in embodiment 3 (7 days in water)) " it is replaced by " calcium sulphoaluminate class-calcium oxide cement expansive material (11 parts, limited expansion rate >=0.025% (water In 7 days)) ", remaining is same as embodiment 3.Performance is shown in Table 2.
Comparative example 4
" PVA fiber (0.1 part) " in embodiment 3 is replaced by " PVA fiber (0 part) ", remaining is same as embodiment 3.Performance It is shown in Table 2.
Comparative example 5
" PVA fiber (0.1 part) " in embodiment 3 is replaced by " PVA fiber (0.3 part) ", remaining is same as embodiment 3.Property 2 can be shown in Table.
Comparative example 6
" vinyl acetate/versatic acid ethylene copolymer latex powder (2 parts) " in embodiment 3 is replaced by " vinyl acetate/tertiary carbon Sour ethylene copolymer latex powder (0 part) ", remaining is same as embodiment 3.Performance is shown in Table 2.
Comparative example 7
" vinyl acetate/versatic acid ethylene copolymer latex powder (2 parts) " in embodiment 3 is replaced by " vinyl acetate/tertiary carbon Sour ethylene copolymer latex powder (4 parts) ", remaining is same as embodiment 3.Performance is shown in Table 2.
Comparative example 8
" polyacrylic defoamer (0.4 part) " in embodiment 3 is replaced by " polyacrylic defoamer (0 part) ", its Remaining it is same as embodiment 3.Performance is shown in Table 2.
Comparative example 9
" polyacrylic defoamer (0.4 part) " in embodiment 3 is replaced by " polyacrylic defoamer (1 part) ", its Remaining it is same as embodiment 3.Performance is shown in Table 3.
Comparative example 10
" polycarboxylate water-reducer (0.5 part) " in embodiment 3 is replaced by " polycarboxylate water-reducer (0 part) ", remaining is same as reality Apply example 3.Performance is shown in Table 3.
Comparative example 11
" polycarboxylate water-reducer (0.5 part) " in embodiment 3 is replaced by " polycarboxylate water-reducer (1.2 parts) ", remaining is same as Embodiment 3.Performance is shown in Table 3.
Comparative example 12
It is replaced by " being dissolved in 45 parts of water " by " being dissolved in 35 parts of water " in embodiment 3, remaining is same as embodiment 3.Performance is shown in Table 3.
Comparative example 13
It is replaced by " being dissolved in 15 parts of water " by " being dissolved in 35 parts of water " in embodiment 3, remaining is same as embodiment 3.Performance is shown in Table 3.
Comparative example 14
By in embodiment 3 " with Na2O·1.2SiO2Weight is than for 100:16 " it is replaced by " with Na2O·1.2SiO2Weight ratio For 100:8 ", remaining is same as embodiment 3.Performance is shown in Table 3.
Comparative example 15
By in embodiment 3 " with Na2O·1.2SiO2Weight is than for 100:16 " it is replaced by " with Na2O·1.2SiO2Weight ratio For 100:25 ", remaining is same as embodiment 3.Performance is shown in Table 3.
Table 2. geopolymer based self-leveling earth material performance (with reference to JCT985-2005)
Table 3. geopolymer based self-leveling earth material performance (with reference to JCT985-2005)
Last in addition it is also necessary to it is noted that listed above be only the present invention several specific embodiments.Obviously, this Bright be not limited to above example, can also have many deformation.Those of ordinary skill in the art can be from present disclosure The all deformation directly derived or associate, are all considered as protection scope of the present invention.

Claims (3)

1. a kind of using method of geopolymer based self-leveling earth material is it is characterised in that comprise the following steps：First by alkali Exciting agent is soluble in water, places 24h；Then sequentially add remaining each raw material components in proportion, using mortar mixer stirring 2～ After 10min, pour ground, Self-leveling molding, after solidification, become earth material；
Described geopolymer based self-leveling earth material includes following each components by weight calculating：100 parts of geopolymer, swollen Swollen dose 5～10 parts, 1～3 part of redispersable latex powder, 0.1～0.2 part of reinforcing fiber, 0.4～0.8 part of defoamer, water reducer 0.5～1 part, 20～40 parts of water, gathers materials 100～200 parts；Wherein, geopolymer is made up of alumina-silica raw material and alkali-activator, weight Amount ratio is 100: 10～20.
2. method according to claim 1 is it is characterised in that described extender is calcium sulphoaluminate class, calcium oxide or sulfur A kind of in calcium aluminate-calcium oxide cement expansive material, limited expansion rate >=0.025% of 7 days in water；Described redispersible Latex powder is one in ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer or acrylic polymer Kind；Described reinforcing fiber is PP fiber or PVA fiber, 2～20 μm of diameter, length 1～5cm；Described defoamer is silicone Or polyacrylic defoamer；Described water reducer is polycarboxylic acids dehydragent；Described gather materials for quartziferous river sand, modulus of fineness is 0.8～1.2, clay content≤0.5%.
3. method according to claim 1 is it is characterised in that described alumina-silica raw material is metakaolin, flyash, ore deposit One or more in slag, slag, mine tailing, glass dust or silica flour, particle diameter≤200 mesh；Described alkali-activator is NaOH or Na2O· nSiO2, n=1.0～2.5.
CN201610792484.7A 2016-08-31 2016-08-31 Using method of geopolymer based self-levelling ground material Pending CN106396523A (en)

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Cited By (5)

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CN109503042A (en) * 2018-12-27 2019-03-22 金陵科技学院 The method for preparing environmentally friendly geopolymer mortar using solid waste
CN110092618A (en) * 2019-06-10 2019-08-06 英达热再生有限公司 A kind of intumescent geo-polymer injecting paste material and preparation method thereof
CN112125584A (en) * 2020-09-18 2020-12-25 湖北工业大学 Preparation method of low-hydration-heat green self-leveling concrete
CN115490499A (en) * 2022-10-21 2022-12-20 广州市建筑材料工业研究所有限公司 Alkali-activated core sample leveling material, preparation method and leveling method thereof
WO2024020563A1 (en) * 2022-07-21 2024-01-25 Schlumberger Technology Corporation Geopolymer compositions and methods

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Application publication date: 20170215