CN105016689B - A kind of cast-in-situ wall material - Google Patents
A kind of cast-in-situ wall material Download PDFInfo
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- CN105016689B CN105016689B CN201510482062.5A CN201510482062A CN105016689B CN 105016689 B CN105016689 B CN 105016689B CN 201510482062 A CN201510482062 A CN 201510482062A CN 105016689 B CN105016689 B CN 105016689B
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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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Abstract
The present invention relates to a kind of cast-in-situ wall material, it is made up of waterproof course and ardealite materials for wall two parts：The composition and its weight/mass percentage composition of described waterproof course be：Sulphate aluminium cement 35%~45%, superfined flyash 1%~3%, quartz sand 45% 55%, swelling agent 3%~6%, adjustable solidification agent is 0.1%~1%, water reducer 0.5%~1%；The composition and its weight/mass percentage composition of described ardealite materials for wall be：Phosphogypsum powder：78%~90%, flyash：8%~20%, cement：1% 3%, retarder：0.2%~0.5%, water reducer：0.1%~0.5%, air entraining agent 0.05%~0.10%.The method have the advantages that：The cast-in-situ wall material of the present invention is constructed by the way of laminated pouring, it is possible to reduce labour, efficiency of construction is higher.
Description
Technical field
The invention belongs to building material field, a kind of cast-in-situ wall material is related particularly to.
Background technology
At present, inner wall of building construction in, the building structure pattern used for：Use air-mixed concrete pieces, gypsum block etc.
Frame structure is done, plaster leveling is then carried out in building block makes wall.The construction method has many drawbacks：The amount of labour is big, needs
A large amount of labours are wanted, and labor intensity is high, and efficiency is low, so as to cause integrated construction cost higher.With labour into
This continuous rise, seek how to save the arrangement and method for construction of labour turns into the hot issue of building field.
Ardealite is topmost industry byproduct in China's phosphorous chemical industry production, is that phosphatic fertilizer company is discharged in process of production
The sediment using calcium sulphate dihydrate as main component.Often produce one ton of P2O54.5~5.5 tons of ardealites will be discharged.It is long-term with
Carry out ardealite because making its Utilizing question turn into international technology problem containing impurity such as certain phosphorus, fluorine, organic matters, so mainly adopting
Take the measure of storing up.At present, ardealite can be applied to the fields such as cement industry, construction material, chemical fertilizer industry and agricultural, but utilization
Less.China's 13,000,000 tons of phosphate fertilizer of production in 2012, nearly 70,000,000 tons of ardealite yield, accumulative volume of cargo in storage is more than 300,000,000
Ton, ardealite comprehensive utilization ratio is less than 10%.How to solve the problem of ardealite low cost is extensive to be utilized also turns into one
Research direction.
Cast-in-situ wall be one kind using inorganic coagulation material as base-material, with gathering materials, admixture, additive and water etc. is mixed
The slurry of high flowability, after shaping, is conserved to the construction material of regulation age.At present, cast-in-situ wall material has bubble
Two kinds of foam concrete cast-in-situ wall material and gypsum cast-in-situ wall material.Gypsum cast-in-situ wall material can largely utilize desulfurization stone
Solid waste such as cream, ardealite etc., are new energy-saving materials for walls.But gypsum materials for wall is asked in the presence of some
Topic, such as setting time is short, intensity is not high, poor water resistance, unstable properties of product the problems such as.
The country occurs in that the preparation method of some cast-in-place gypsum wall materials：Patent No. 201110167087.8 is disclosed
" cast-in-place gypsum wall and its construction method "；Patent No. 200910117570.8 discloses a kind of " on-site casting molding of gypsum
The method of internal partition wall "；Patent No. 201310422109.X is disclosed " a kind of cast-in-situs gypsum wall construction method ".These cast-in-place walls
The weak point of body construction scheme, which is mainly, is not provided with waterproof bed course, and material prescription is complex, and the utilization rate of gypsum is smaller,
The inexpensive extensive purpose using ardealite is not reached.
The content of the invention
The technical problems to be solved by the invention are to propose a kind of cast-in-situ wall material for above-mentioned prior art, both may be used
To solve the problem of water-proof gypsum is poor, the efficiency of construction of cast-in-situ wall can be improved again.
The technical scheme that present invention solution above-mentioned technical problem is used is as follows：A kind of cast-in-situ wall material, cast-in-situ wall
Material is made up of waterproof course and ardealite materials for wall two parts：
The composition and its weight/mass percentage composition of described waterproof course be：Sulphate aluminium cement 35%~45%, surpasses
Fine powdered coal 1%~3%, quartz sand 45%-55%, swelling agent 3%~6%, adjustable solidification agent is 0.1%~1%, water reducer
0.5%~1%；
The composition and its weight/mass percentage composition of described ardealite materials for wall be：Phosphogypsum powder：78%~90%, fine coal
Ash：8%~20%, cement：1%-3%, retarder：0.2%~0.5%, water reducer：0.1%~0.5%, air entraining agent
0.05%~0.10%.
By such scheme, the sulphate aluminium cement in described waterproof course is quick hardening sulphoaluminate cement, and it compares
Surface area is 330~400m2/kg。
By such scheme, the specific surface area of the superfined flyash in described waterproof course is more than 22000m2/kg。
By such scheme, the modulus of fineness of the quartz sand in described waterproof course is 2.0~2.5.
By such scheme, the swelling agent in described waterproof course is magnesia class swelling agent, and adjustable solidification agent is borax
With one kind in boric acid or it is compound, water reducer is one kind in polycarboxylate water-reducer and melamine water reducing agent or it is compound.
By such scheme, the phosphogypsum powder in described ardealite materials for wall is β phosphogypsum powders, and fineness is 0.074mm
Square hole screen quality tails over 1%, and the presetting period is 6min, and final setting time is 10min, and over dry compression strength is 11MPa, the anti-folding of over dry
Intensity is 4.6MPa.
By such scheme, the flyash in described ardealite materials for wall is second class powered coal ash, and its bulk density is
2.2g/cm3, specific surface area is 450m2/kg。
By such scheme, the cement in described ardealite materials for wall is 42.5 grades of Portland cements.
By such scheme, the retarder in described ardealite materials for wall is tartrate, citric acid, citrate and
Any one in SC retarder, water reducer is any one in polycarboxylate water-reducer and sulfonated melamine, and air entraining agent is
Any one in dodecyl sodium sulfate or sodium alkyl sulfate.
The sequence of construction of the present invention：The casting and constructing of collision mat layer material is first carried out, then carries out ardealite materials for wall
Casting and constructing.Specially：Branch waterproof bed course template, pours into a mould and is conserved under waterproof course, construction environment to 4h i.e. collapsible die；Branch
It is collapsible die that 4h is conserved under materials for wall template, pouring gypsum wall material, construction environment.
The general principle of the present invention：Waterproof course is used as binder materials using sulphate aluminium cement, it is possible to achieve fast
There is provided efficiency of construction for hard early strong effect.Superfined flyash can improve the paste structure of sulphate aluminium cement, increase flowing
Property；Quartz sand can play skeleton function as aggregate, reduce production cost；Swelling agent can effectively suppress sulphate aluminium cement
Contraction；Adjustable solidification agent can adjust the setting time of sulphate aluminium cement, be easy to constructing operation；Water reducer can improve sulphur aluminic acid
The mobile performance of salt cement.
Ardealite materials for wall is using β land plasters as major gelled material, it is possible to use a large amount of trade waste ardealites；Powder
The addition of coal ash can improve paste structure, the mobile performance of β land plasters, improve water resistance；The addition of retarder can have
The setting time of the control slurry of effect；Water reducer can reduce the water consumption of β land plasters, improve the intensity of hardenite；Air entraining agent
The density of hardenite can be reduced by introducing micropore etc., realize lighting.
The method have the advantages that：Compared with the preparation method of existing cast-in-situ wall material, cast-in-situ wall material point of the invention
For waterproof course and ardealite materials for wall two parts, waterproof course undertakes waterproof layer, and ardealite materials for wall can
To utilize substantial amounts of trade waste ardealite, and properties of product are good；Compared with existing cast-in-situ wall material construction technology,
The cast-in-situ wall material of the present invention is constructed by the way of laminated pouring, it is possible to reduce labour, efficiency of construction is higher.
Embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated.
Embodiment 1：
Cast-in-situ wall material is made up of waterproof course and ardealite materials for wall two parts.It is each in waterproof course
The weighing quality of kind of raw material is respectively：Sulphate aluminium cement：40kg, superfined flyash：2kg, swelling agent：5kg, quartz sand：
52kg, adjustable solidification agent：0.3kg, water reducer：0.7kg；The weighing quality of various raw materials is in ardealite materials for wall：β ardealites
Powder：87.4kg, flyash：10kg, cement：2kg, retarder：0.3kg, water reducer：0.2kg, air entraining agent：0.1kg；
The sulphate aluminium cement in waterproof course described in embodiment is quick hardening sulphoaluminate cement, and it compares surface
Product is 330~400m2/kg；The specific surface area of superfined flyash is more than 22000m2/kg；The modulus of fineness of quartz sand be 2.0~
2.5；Swelling agent is magnesia class swelling agent, and adjustable solidification agent is the compound of borax and boric acid, during water reducer is melamine water reducing agent.
The phosphogypsum powder in ardealite materials for wall described in embodiment is β phosphogypsum powders, and fineness is sieved for 0.074mm square hole screens quality
Remaining 1%, the presetting period is 6min, final setting time is 10min, and over dry compression strength is 11MPa, and over dry rupture strength is
4.6MPa；Flyash is second class powered coal ash, and its bulk density is 2.2g/cm3, specific surface area is 450m2/kg；Cement is 42.5 grades
Portland cement；Retarder is citric acid retarder, and water reducer is sulfonated melamine, and air entraining agent is dodecyl sodium sulfonate
Sodium.
Sequence of construction：The various raw materials of waterproof bed course are well mixed, adding 14kg water by 100kg materials is stirred, and stirs
Time control is mixed in more than 5min, is collapsible die by slip casting into waterproof bed course template, after 2h；By ardealite materials for wall
Various raw materials are well mixed, and adding 60kg water by 100kg materials is stirred, and mixing time is controlled in more than 5min, by slurry
It is poured into wall form, is collapsible die after 4h.
The performance test results of product are as follows：The 2h compression strength of waterproof course is 17MPa, and 28d compression strength is
45MPa, plastic expansion rate is the resistance to water coefficients of 0.01%, 28d more than 0.95；The 4h compression strength of ardealite materials for wall is
7.5MPa, 28d compression strength are 9.2MPa, and Absolute Dry Density is 980kg/m3。
Embodiment 2：
Cast-in-situ wall material is made up of waterproof course and ardealite materials for wall two parts.It is each in waterproof course
The weighing quality of kind of raw material is respectively：Sulphate aluminium cement：42kg, superfined flyash：2kg, swelling agent：4kg, quartz sand：
51kg, adjustable solidification agent：0.3kg, water reducer：0.7kg；The weighing quality of various raw materials is in ardealite materials for wall：β ardealites
Powder：83.4kg, flyash：14kg, cement：2kg, retarder：0.3kg, water reducer：0.2kg, air entraining agent：0.1kg；
The sulphate aluminium cement in waterproof course described in embodiment is quick hardening sulphoaluminate cement, and it compares surface
Product is 330~400m2/kg；The specific surface area of superfined flyash is more than 22000m2/kg；The modulus of fineness of quartz sand be 2.0~
2.5；Swelling agent is magnesia class swelling agent, and adjustable solidification agent is borax, and water reducer is polycarboxylate water-reducer and melamine water reducing agent
It is compound.The phosphogypsum powder in ardealite materials for wall described in embodiment is β phosphogypsum powders, and fineness is 0.074mm square holes
Sieve quality tails over 1%, and the presetting period is 6min, and final setting time is 10min, and over dry compression strength is 11MPa, over dry rupture strength
For 4.6MPa；Flyash is second class powered coal ash, and its bulk density is 2.2g/cm3, specific surface area is 450m2/kg；Cement is 42.5
Level Portland cement；Retarder is SC retarder, and water reducer is polycarboxylate water-reducer, and air entraining agent is sodium alkyl sulfate.
Sequence of construction：The various raw materials of waterproof bed course are well mixed, adding 14kg water by 100kg materials is stirred, and stirs
Time control is mixed in more than 5min, is collapsible die by slip casting into waterproof bed course template, after 2h；By ardealite materials for wall
Various raw materials are well mixed, and adding 59kg water by 100kg materials is stirred, and mixing time is controlled in more than 5min, by slurry
It is poured into wall form, is collapsible die after 4h.
The performance test results of product are as follows：The 2h compression strength of waterproof course is 18.2MPa, 28d compression strength
For 46.1MPa, plastic expansion rate is the resistance to water coefficients of 0.01%, 28d more than 0.95；The 4h compression strength of ardealite materials for wall
For 7.4MPa, 28d compression strength is 9.1MPa, and Absolute Dry Density is 1020kg/m3。
Embodiment 3：
Cast-in-situ wall material is made up of waterproof course and ardealite materials for wall two parts.It is each in waterproof course
The weighing quality of kind of raw material is respectively：Sulphate aluminium cement：44kg, superfined flyash：2kg, swelling agent：3kg, quartz sand：
50kg, adjustable solidification agent：0.3kg, water reducer：0.7kg；The weighing quality of various raw materials is in ardealite materials for wall：β ardealites
Powder：80.4kg, flyash：16kg, cement：3kg, retarder：0.3kg, water reducer：0.2kg, air entraining agent：0.1kg；
The sulphate aluminium cement in waterproof course described in embodiment is quick hardening sulphoaluminate cement, and it compares surface
Product is 330~400m2/kg；The specific surface area of superfined flyash is more than 22000m2/kg；The modulus of fineness of quartz sand be 2.0~
2.5；Swelling agent is magnesia class swelling agent, and adjustable solidification agent is the compound of borax and boric acid, and water reducer is polycarboxylate water-reducer.Implement
The phosphogypsum powder in ardealite materials for wall described in example is β phosphogypsum powders, and fineness is that 0.074mm square hole screen quality is tailed over
1%, the presetting period is 6min, and final setting time is 10min, and over dry compression strength is 11MPa, and over dry rupture strength is 4.6MPa；
Flyash is second class powered coal ash, and its bulk density is 2.2g/cm3, specific surface area is 450m2/kg；Cement is 42.5 grades of ordinary silicons
Acid salt cement；Retarder is citrate, and water reducer is polycarboxylate water-reducer, and air entraining agent is dodecyl sodium sulfate.
Sequence of construction：The various raw materials of waterproof bed course are well mixed, adding 14kg water by 100kg materials is stirred, and stirs
Time control is mixed in more than 5min, is collapsible die by slip casting into waterproof bed course template, after 2h；By ardealite materials for wall
Various raw materials are well mixed, and adding 58kg water by 100kg materials is stirred, and mixing time is controlled in more than 5min, by slurry
It is poured into wall form, is collapsible die after 4h.
The performance test results of product are as follows：The 2h compression strength of waterproof course is 19.4MPa, 28d compression strength
For 47.6MPa, plastic expansion rate is the resistance to water coefficients of 0.01%, 28d more than 0.95；The 4h compression strength of ardealite materials for wall
For 7.2MPa, 28d compression strength is 9.0MPa, and Absolute Dry Density is 1035kg/m3。
Claims (4)
1. a kind of cast-in-situ wall material, cast-in-situ wall material is made up of waterproof course and ardealite materials for wall two parts：
The composition and its weight/mass percentage composition of described waterproof course be：Sulphate aluminium cement 35%~45%, superfine powder
Coal ash 1%~3%, quartz sand 45%-55%, swelling agent 3%~6%, adjustable solidification agent is 0.1%~1%, water reducer 0.5%~
1%；Sulphate aluminium cement in described waterproof course is quick hardening sulphoaluminate cement, its specific surface area is 330~
400m2/kg；The specific surface area of superfined flyash in described waterproof course is more than 22000m2/kg；Described collision mat
The modulus of fineness of quartz sand in layer material is that the swelling agent in 2.0~2.5, described waterproof course is swollen for magnesia class
Swollen dose, adjustable solidification agent is one kind in borax and boric acid or it is compound, and water reducer is polycarboxylate water-reducer and melamine water reducing agent
In one kind or it is compound；
The composition and its weight/mass percentage composition of described ardealite materials for wall be：Phosphogypsum powder：78%~90%, flyash：
8%~20%, cement：1%-3%, retarder：0.2%~0.5%, water reducer：0.1%~0.5%, air entraining agent 0.05%~
0.10%；Phosphogypsum powder in described ardealite materials for wall is β phosphogypsum powders, and fineness is sieved for 0.074mm square hole screens quality
Remaining 1%, the presetting period is 6min, final setting time is 10min, and over dry compression strength is 11MPa, and over dry rupture strength is
4.6MPa。
2. cast-in-situ wall material according to claim 1, it is characterised in that：Fine coal in described ardealite materials for wall
Ash is second class powered coal ash, and its bulk density is 2.2g/cm3, specific surface area is 450m2/kg。
3. cast-in-situ wall material according to claim 1, it is characterised in that：Cement in described ardealite materials for wall
For 42.5 grades of Portland cements.
4. cast-in-situ wall material according to claim 1, it is characterised in that：Slow setting in described ardealite materials for wall
Agent is any one in tartrate, citric acid, citrate and SC retarder, and water reducer is polycarboxylate water-reducer and sulfonation
Any one in melamine, air entraining agent is any one in dodecyl sodium sulfate or sodium alkyl sulfate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108129105A (en) * | 2018-01-24 | 2018-06-08 | 合肥尚涵装饰工程有限公司 | A kind of cast-in-place multifunctional wall body material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106517978A (en) * | 2016-10-31 | 2017-03-22 | 同济大学 | Light-weight thermal mortar taking ardealite hydraulic compound gel material as principal material |
| CN106587872B (en) * | 2016-11-21 | 2018-10-26 | 同济大学 | A kind of early-strength ardealite base slight expansion grouting material |
| CN110240433B (en) * | 2019-06-26 | 2021-09-07 | 武汉科技大学 | Composite cement additive, composite cement-based material and preparation method thereof |
| CN114213089A (en) * | 2021-12-24 | 2022-03-22 | 陕西煤业化工技术研究院有限责任公司 | Expansion fire-proof and fire-extinguishing sealing wall construction material for mine and use method thereof |
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| CN201424724Y (en) * | 2009-04-21 | 2010-03-17 | 刘书旺 | Gypsum powder poured integrated wall body |
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| WO2005054151A1 (en) * | 2003-12-02 | 2005-06-16 | Correa Delgado Hector Luis | Cellulose-fibre-based thermal compound |
| CN100475736C (en) * | 2006-06-22 | 2009-04-08 | 重庆大学 | High-strength waterproof gypsum brick and method for preparing same |
| CN101580371A (en) * | 2009-06-19 | 2009-11-18 | 清华大学 | Non-shrinkage cement-based roofing material |
| CN103539419B (en) * | 2013-08-29 | 2015-09-30 | 武汉理工大学 | A kind of phosphogypsum base materials for wall for cast-in-situ wall |
| CN104788073A (en) * | 2015-04-22 | 2015-07-22 | 武汉理工大学 | Heat-preservation moisture-adjusting type semi-hydrated gypsum cast-in-situ wall body material |
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| CN101538904A (en) * | 2009-04-21 | 2009-09-23 | 刘书旺 | Gypsum powder poured integral wall and manufacturing method thereof |
| CN201424724Y (en) * | 2009-04-21 | 2010-03-17 | 刘书旺 | Gypsum powder poured integrated wall body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108129105A (en) * | 2018-01-24 | 2018-06-08 | 合肥尚涵装饰工程有限公司 | A kind of cast-in-place multifunctional wall body material and preparation method thereof |
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