CN110194638A - A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof - Google Patents
A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof Download PDFInfo
- Publication number
- CN110194638A CN110194638A CN201910551451.7A CN201910551451A CN110194638A CN 110194638 A CN110194638 A CN 110194638A CN 201910551451 A CN201910551451 A CN 201910551451A CN 110194638 A CN110194638 A CN 110194638A
- Authority
- CN
- China
- Prior art keywords
- slag
- earth building
- building reinforcement
- water lime
- mortar
- 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.)
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Classifications
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00267—Materials permeable to vapours or gases
-
- 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
- C04B2111/72—Repairing or restoring existing buildings or building 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
- 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
Abstract
The invention discloses a kind of earth building reinforcement and repair slag reconciliation water lime mortars and preparation method thereof, belong to the field of building materials, raw material includes 15~25 parts of white lime, 10~20 parts of slag, 45~65 parts of aggregate, 0.4~1.2 part of polymer emulsion powder, 0.03~0.15 part of cellulose ether, 0.05~0.2 part of fiber, the preparation method is that vinyl redispersable latex powder is added into high-speed mixer, ethoxyl methyl cellulose ether and fiber, it stirs evenly, adjust revolving speed, white lime is added, slag and aggregate, it is uniformly mixed, to obtain the final product, gained mortar of the invention is compared with cement-based mortar, it can substantially reduce and utilize high energy consumption caused by cement, and more preferably with the compatibility of earth building matrix；Compared with natural water lime base mortar, cost can obviously reduce, moreover it is possible to promote the resource utilization of solid waste, there is significant economic benefit and the value of environmental protection, be convenient for large-scale promotion application.
Description
Technical field
The present invention relates to the field of building materials, more particularly to a kind of earth building reinforcement and repair slag reconciliation hydraulic stone
Lime and brick and preparation method thereof.
Background technique
Hydraulic lime has both the hydraulicity and air-setting, and strength development is moderate, water-tolerant, compatible with traditional building material
Property is good, is ideal rehabilitating historic building inorganic coagulation material.Now, people increasingly pay attention to the protection of ancient building, and ancient
The selection of building repair materials is key, has more highlighted the application value of hydraulic lime.It is repaired currently, being successfully applied to ancient building
Multiple is natural hydraulic lime, is made by the higher natural limestone of siliceous or clay content through calcining.But China is not yet big
Amount finds this raw limestone, causes natural hydraulic lime to fail realization and commercially produces, only a small amount of imported product obtains
To utilize, application and development of the hydraulic lime in China's rehabilitating historic building are limited.Therefore, original that is economic, being easy to get is utilized
Material prepares similar with the natural hydraulic lime performance of the import reconciliation water lime, for promote hydraulic lime development and
Using, push conservation of historic buildings work have a very important significance.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to, by ratio optimization and preparation method research,
Prepare physical and mechanical property good stable, the earth building reinforcement and repair mine with good compatibility and volume stability
Slag reconciles water lime mortar and preparation method thereof, and largely comprehensively utilizes industrial solid castoff, economizes on resources and the energy, protects
Retaining ring border.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of earth building reinforcement and repair slag reconciliation water lime mortar, and raw material includes with the following group
Point: white lime, slag, aggregate, polymer emulsion powder, cellulose ether, hydrophober and fiber.
Preferably, based on parts by weight, raw material includes following components: 15~25 parts of white lime, 10~20 parts of slag, and aggregate
45~65 parts, 0.4~1.2 part of polymer emulsion powder, 0.03~0.15 part of cellulose ether, 0.05~0.2 part of fiber, the weight of raw material
Measuring the sum of number is 100 parts.
Preferably, the slag is that specific surface area is not less than 350m2The granulated blast-furnace slag of/kg.
Preferably, the aggregate is discarded masonry powder.
Preferably, the polymer emulsion powder is vinyl redispersable latex powder.
Preferably, the cellulose ether is ethoxyl methyl cellulose ether.The viscosity of the ethoxyl methyl cellulose ether
For 10000-15000mPas.
Preferably, the fiber is wood fibre or polypropylene fibre.
Preferably, the diameter of the fiber is 0.5~3mm.
The present invention also provides a kind of earth building reinforcement and repair preparation methods of slag reconciliation water lime mortar, including
Following steps:
Vinyl redispersable latex powder, hydroxyethylmethylcellulose are added into high-speed mixer for precise raw material
Ether and fiber, are uniformly mixed, and then, adjust the revolving speed of high-speed mixer, and white lime, slag and aggregate is added, and mixing is equal
It is even, obtain earth building reinforcement and repair slag reconciliation water lime mortar.
Preferably, the revolving speed after vinyl redispersable latex powder, ethoxyl methyl cellulose ether and fiber is added is 500
~1000r/min, the revolving speed after adjusting are 80~250r/min.
Earth building reinforcement and repair of the present invention with slag reconcile water lime mortar finished product be one pack system powder
It only need to be stirred 3~4min with water at the construction field (site) by material, when construction at a given proportion, that is, can be used.
The invention discloses following technical effects:
A kind of waste residue being discharged from blast furnace when slag is manUfaCtUre of pig iron has potential hydraulic gelling property, in cement
Under clinker, lime, gypsum equal excitation agent effect, hydraulic gelling property is shown.In addition, slag is applied to also have in construction material
There are significant micro aggregate effect and crystallite nuclear effect, improves density.Therefore, optimize compound side using slag and white lime
The reconciliation water lime for taking into account the hydraulicity and air-setting is made in method.
The alternative expensive natural water lime of import of the reconciliation water lime prepared by the present invention, for bond with
Reinforcement material meets the urgent need of rehabilitating historic building so as to historical relic and rehabilitating historic building, has biggish history culture protection
Value；Also an effective way can be searched out using slag for high level, respond the requirement of sustainable development, there is good life
State environmental benefit and social benefit.
The present invention comprehensively utilizes hydraulic gelling property, micro aggregate effect and the crystallite nuclear effect of slag, polymeric additive
High-adhesion and crack resistance, and by Study on Preparation, successfully prepare it is a kind of it is good with earth building compatibility, volume is steady
It is qualitative good, it can be applied to the reconciliation water lime mortar of earth building reinforcing and repairing, but also largely comprehensively utilize industrial solid
Waste has significant economic benefit, social benefit and environmental benefit.
Earth building reinforcement and repair proposed by the present invention slag reconciliation water lime mortar, it is excellent with slag using white lime
Change the mode of compounding as major gelled material, cellulose ether, polymer emulsion powder and fiber promote reconciliation water as additive
The compatibility of admant lime and brick and building substrate.Compared with cement-based mortar, it can substantially reduce and utilize high energy caused by cement
Consumption, and more preferably with the compatibility of earth building matrix；Compared with natural water lime base mortar, cost can obviously reduce, moreover it is possible to
Promote the resource utilization of solid waste, there is significant economic benefit and the value of environmental protection, is convenient for large-scale promotion application.
Ancient building is repaired using reconciliation water lime mortar prepared by the present invention, reparation speed is fast, and color difference is small after reparation, by force
Degree is high, and reparation position weatherability is strong, and repairing effect is good.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Examples 1 to 3:
Raw materials and performance are as follows:
White lime: commercially available purity is greater than 98% hydrated lime in powder.
Slag: specific surface area 463m2The S95 grade granulated blast-furnace slag of/kg.
The natural water lime: strength grade is the natural water lime of European import of NHL2.
Cement: the portland cement that strength grade is 42.5.
Additive: vinyl redispersable latex powder, the ethoxyl methyl cellulose ether that viscosity is 30000mPas, straight
Diameter is the wood fibre of 0.5~3mm.
Aggregate: discarded clay brick powder.
Water: tap water.
Slag reconciliation water lime mortar mix ratio is as shown in table 1.
Comparative example 1-2:
In order to compare slag reconciliation water lime mortar and the common natural water admant of current masonry ancient building reinforcement and repair
The performance of lime and brick and cement mortar, using the natural water lime as cementitious material in comparative example 1, with silicate in comparative example 2
Cement is as cementitious material, other raw materials are the same as embodiment 1-3.
The preparation step of embodiment and comparative example is as follows: firstly, the redispersible cream of vinyl is added into high-speed mixer
Rubber powder, ethoxyl methyl cellulose ether and fiber are uniformly mixed under the rate of 500~1000r/min, then, adjust high speed
The mixed rate of mixing machine is 80~250r/min, and white lime, slag, aggregate is added, and is uniformly mixed, and water is added, using sand
The stirring of blender automatic catch is starched, it is uniformly mixed, can discharge, reference block is then made.
1 slag of table reconciliation water lime mortar mix ratio
| White lime | Slag | The natural water lime | Cement | Aggregate | Latex powder | Cellulose ether | Fiber | Water | |
| Embodiment 1 | 25 | 13 | 0 | 0 | 61.44 | 0.5 | 0.06 | 2 | 35 |
| Embodiment 2 | 20 | 17 | 0 | 0 | 61.99 | 0.9 | 0.11 | 2.2 | 35 |
| Embodiment 3 | 18 | 15 | 0 | 0 | 65.77 | 1.1 | 0.13 | 1.5 | 35 |
| Comparative example 1 | 0 | 0 | 30 | 0 | 68.88 | 1.0 | 0.12 | 2 | 35 |
| Comparative example 2 | 0 | 0 | 0 | 30 | 68.88 | 1.0 | 0.12 | 2 | 35 |
| Comparative example 3 | 25 | 13 | 0 | 0 | 61.44 | 0 | 0.06 | 2 | 35 |
| Comparative example 4 | 25 | 13 | 0 | 0 | 61.44 | 0.5 | 0 | 2 | 35 |
The performance for detecting the reconciliation water lime mortar of embodiment and comparative example preparation, the results are shown in Table 2.
2 the performance test results of table
By above embodiments as it can be seen that slag proposed by the present invention reconcile water lime mortar, have and the natural water lime
The close even higher compression strength of base mortar, flexural strength and gas permeability, and shrinking percentage is close with elasticity modulus；It is prior
It is that slag reconciles water lime mortar cost far below natural water admant lime and brick.Compared with cement mortar, slag reconciliation hydraulic
Lime mortar early strength is lower, but intensity at 180 days is not much different, and the strength development rule with sustainable growth with
And lower shrinking percentage and elasticity modulus and excellent gas permeability, guarantee the excellent compatibility of itself and masonry ancient building matrix.
Therefore, slag reconciliation water lime mortar proposed by the present invention can be with wide popularization and application in various masonry ancient building reinforcement and repairs
Engineering.
Rehabilitating historic building is carried out using reconciliation hydraulic stone lime and brick, rehabilitating historic building situation record sheet is shown in Table 3.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (10)
1. a kind of earth building reinforcement and repair slag reconciliation water lime mortar, it is characterised in that: raw material includes following components:
White lime, slag, aggregate, polymer emulsion powder, cellulose ether, hydrophober and fiber.
2. a kind of earth building reinforcement and repair according to claim 1 slag reconciliation water lime mortar, feature exist
In: based on parts by weight, raw material includes following components: 15~25 parts of white lime, 10~20 parts of slag, 45~65 parts of aggregate, being gathered
Close 0.4~1.2 part of object latex powder, 0.03~0.15 part of cellulose ether, 0.05~0.2 part of fiber.
3. a kind of earth building reinforcement and repair according to claim 2 slag reconciliation water lime mortar, feature exist
In: the slag is that specific surface area is not less than 350m2The granulated blast-furnace slag of/kg.
4. a kind of earth building reinforcement and repair according to claim 2 slag reconciliation water lime mortar, feature exist
In: the aggregate is discarded masonry powder.
5. a kind of earth building reinforcement and repair according to claim 2 slag reconciliation water lime mortar, feature exist
In: the polymer emulsion powder is vinyl redispersable latex powder.
6. a kind of earth building reinforcement and repair according to claim 2 slag reconciliation water lime mortar, feature exist
In: the cellulose ether is ethoxyl methyl cellulose ether.
7. a kind of earth building reinforcement and repair according to claim 2 slag reconciliation water lime mortar, feature exist
In: the fiber is wood fibre or polypropylene fibre.
8. a kind of earth building reinforcement and repair according to claim 7 slag reconciliation water lime mortar, feature exist
In: the diameter of the fiber is 0.5~3mm.
9. a kind of a kind of described in any item earth building reinforcement and repair slag reconciliation water lime mortars of claim 1-8
Preparation method, it is characterised in that: the following steps are included:
Precise raw material, into high-speed mixer be added vinyl redispersable latex powder, ethoxyl methyl cellulose ether and
Fiber is uniformly mixed, and then, adjusts the revolving speed of high-speed mixer, white lime, slag and aggregate is added, be uniformly mixed, i.e.,
Earth building reinforcement and repair slag reconciliation water lime mortar is made.
10. a kind of earth building reinforcement and repair according to claim 9 preparation side of slag reconciliation water lime mortar
Method, it is characterised in that: the revolving speed after vinyl redispersable latex powder, ethoxyl methyl cellulose ether and fiber is added is 500
~1000r/min, the revolving speed after adjusting are 80~250r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551451.7A CN110194638A (en) | 2019-06-24 | 2019-06-24 | A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551451.7A CN110194638A (en) | 2019-06-24 | 2019-06-24 | A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110194638A true CN110194638A (en) | 2019-09-03 |
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| CN201910551451.7A Pending CN110194638A (en) | 2019-06-24 | 2019-06-24 | A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114804799A (en) * | 2022-05-10 | 2022-07-29 | 泰一雨幕系统科技(广东)有限公司 | Lime mortar for dry-hanging masonry wall joint filling and preparation method thereof |
| CN115448661A (en) * | 2022-09-05 | 2022-12-09 | 新特新材料集团(河南)股份有限公司 | Color-adjustable high-ductility mortar for repairing ancient buildings and preparation method thereof |
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Cited By (2)
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| CN114804799A (en) * | 2022-05-10 | 2022-07-29 | 泰一雨幕系统科技(广东)有限公司 | Lime mortar for dry-hanging masonry wall joint filling and preparation method thereof |
| CN115448661A (en) * | 2022-09-05 | 2022-12-09 | 新特新材料集团(河南)股份有限公司 | Color-adjustable high-ductility mortar for repairing ancient buildings and preparation method thereof |
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Application publication date: 20190903 |