CN110317029A - A kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar and preparation method - Google Patents

A kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar and preparation method Download PDF

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Publication number
CN110317029A
CN110317029A CN201910596172.2A CN201910596172A CN110317029A CN 110317029 A CN110317029 A CN 110317029A CN 201910596172 A CN201910596172 A CN 201910596172A CN 110317029 A CN110317029 A CN 110317029A
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CN
China
Prior art keywords
silicon ash
ancient building
building reinforcement
masonry ancient
masonry
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.)
Pending
Application number
CN201910596172.2A
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Chinese (zh)
Inventor
朱绘美
李辉
刘文欢
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Priority to CN201910596172.2A priority Critical patent/CN110317029A/en
Publication of CN110317029A publication Critical patent/CN110317029A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/10Lime cements or magnesium oxide cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00267Materials permeable to vapours or gases
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54Substitutes for natural stone, artistic materials or the like
    • C04B2111/547Imitating ancient compositions, e.g. mediaeval mortars; Compositions specially designed for restauration of ancient buildings or building elements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/72Repairing or restoring existing buildings or building materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to a kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortars and preparation method thereof, belong to building material technical field, in parts by weight, its raw material includes following component: white lime is 15~30 parts, silicon ash is 3~10 parts, and aggregate is 45~75 parts, and polymer emulsion powder is 0.4~1.2 part, cellulose ether is 0.03~0.15 part, and fiber is 1~3 part;Masonry ancient building reinforcement and repair of the present invention is moderate with silicon ash reconciliation water lime mortar strength development, it is small to shrink, it is good with masonry ancient building matrix compatibility, matching, it can be applied to various masonry ancient building reinforcement and repair engineerings, and largely utilize industrial solid castoff, economic cost is lower, has good environmental protection and energy-conserving profit waste effect.

Description

A kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar and preparation Method
Technical field
The present invention relates to building material technical fields, are reconciled more particularly to a kind of masonry ancient building reinforcement and repair with silicon ash Water lime mortar and preparation method.
Background technique
The advantages of hydraulic lime can harden in water and harden in air, take into account cement and lime, is applied to When masonry ancient building reinforcement and repair, cement and ancient building matrix physical and chemical performance can be overcome incompatible, air hardening lime intensity with it is resistance to Long property is not achieved the defect that protection requires, mortar cumbersome modelled after an antique, curing rate slowly and the uppity determination of quality, It is ideal masonry and ground matter ancient building ruins maintenance cementitious material.
Summary of the invention
The object of the present invention is to provide a kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortars and preparation Method, by mixtures optimal design and preparation method research, prepares physical force to solve the above-mentioned problems of the prior art Learn function admirable stabilization, the silicon ash reconciliation hydraulic of the masonry ancient building reinforcement and repair with good compatibility and volume stability Lime mortar and preparation method, and largely comprehensively utilize industrial solid castoff, economize on resources and the energy, protect environment.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar, and raw material includes as follows Component: white lime, silicon ash, aggregate, polymer emulsion powder, cellulose ether, fiber.
As a further improvement of the present invention, masonry ancient building reinforcement and repair silicon ash reconciliation water lime sand Slurry, in parts by weight, raw material includes following component: 15~30 parts of white lime, 3~10 parts of silicon ash, and 45~75 parts of aggregate, polymerization 0.4~1.2 part of object latex powder, 0.03~0.15 part of cellulose ether, 1~3 part of fiber.
As a further improvement of the present invention, the silicon ash is that specific surface area is not less than 16800m2The silicon ash of/kg.
As a further improvement of the present invention, the aggregate is discarded masonry powder.
As a further improvement of the present invention, the polymer emulsion powder is vinyl redispersable latex powder.
As a further improvement of the present invention, the cellulose ether is the ethoxy that viscosity is 10000~45000mPas Methylcellulose.
As a further improvement of the present invention, the fiber is the wood fibre or polypropylene fibre that diameter is 0.5~3mm Dimension.
The present invention also provides a kind of above-mentioned masonry ancient building reinforcement and repair preparation sides of silicon ash reconciliation water lime mortar Method, comprising the following steps:
(1) vinyl redispersable latex powder, hydroxyethylmethylcellulose and fiber, mixing are added into high-speed mixer Uniformly;
(2) revolving speed for adjusting high-speed mixer, is added white lime, silicon ash and aggregate, is uniformly mixed, obtains masonry ancient architecture Build reinforcement and repair silicon ash reconciliation water lime mortar.
As a further improvement of the present invention, in step (1), mixing revolving speed is 500~1000r/min.
As a further improvement of the present invention, in step (2), revolving speed is 80~250r/min.
The invention discloses following technical effects:
It is different from American-European countries's natural water lime of emphasis, it is compound obtained by hydraulic cementing materials and air hardening lime The water lime that reconciles more meets China's raw material status and prospect of the application.
A kind of flying dust that silicon ash is collected from flue dust when being Antaciron factory and metal factory smelting ferrosilicon or metallic silicon, Its granular superfine, large specific surface area typically contain 90% or more SiO2, and most of is amorphous silica, therefore is had There is very high pozzolanic activity.In addition, silicon ash also has significant filing effect, volcano ash effect, pore solution chemical effect, Therefore, it can be used as the hydraulic component preparation reconciliation water lime.
The alternative expensive natural water lime of import of the reconciliation water lime prepared by the present invention, for bonding and adding Gu material meets the urgent need of rehabilitating historic building so as to historical relic and rehabilitating historic building, there is biggish history culture protection valence Value;Also an effective way can be searched out using silicon ash for high level, conducive to the popularization of China's Antaciron or metal silicon technology Using, respond the requirement of sustainable development, have good ecological environment benefit and social benefit.
The present invention comprehensively utilizes high pozzolanic activity, filing effect and the hole of silicon ash by scientific research and practice test Gap solution chemistry effect, the high-adhesion and crack resistance of polymeric additive, and by Study on Preparation, successfully prepare one Kind with masonry ancient building compatibility is good, volume stability is good, can be applied to the reconciliation water lime of masonry ancient building reinforcing and repairing Mortar, but also industrial solid castoff is largely comprehensively utilized, there is significant economic benefit, social benefit and environmental benefit.
Masonry ancient building reinforcement and repair proposed by the present invention silicon ash reconciliation water lime mortar, using white lime and silicon ash Optimize the mode of compounding as major gelled material.Compared with cement-based mortar, it can substantially reduce and utilize height caused by cement Energy consumption, and more preferably with the compatibility of masonry ancient building matrix;Compared with natural water lime base mortar, cost can obviously reduce, It can also promote the resource utilization of solid waste.With significant economic benefit and the value of environmental protection, answered convenient for large-scale promotion With.
Detailed description of the invention
Fig. 1 is conventional lime cementitious material appearance;
Fig. 2 is masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar material appearance prepared by embodiment 1;
Fig. 3 is that silicate cement cement mortar prepared by comparative example 2 handles appearance.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
In the present embodiment, raw materials and performance are as follows:
White lime: commercially available purity is greater than 98% hydrated lime in powder.
Silicon ash: specific surface area 16800m2The silicon ash 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, viscosity are the hydroxyethylmethylcellulose of 30000mPas, diameter For the wood fibre of 0.5~3mm.
Aggregate: discarded clay brick powder.
Water: tap water.
Embodiment 1-5
In embodiment 1-5, masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar, with parts by weight Meter, raw material includes following component: 15~30 parts of white lime, 3~10 parts of silicon ash, and 45~75 parts of aggregate, polymer emulsion powder 0.4 ~1.2 parts, 0.03~0.15 part of cellulose ether, 1~3 part of fiber.
The specific proportion of embodiment 1-5 is shown in Table 1.
The preparation method of above-mentioned masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar, comprising the following steps:
(1) vinyl redispersable latex powder, hydroxyethylmethylcellulose and fiber are added into high-speed mixer, It is uniformly mixed under the revolving speed of 500~1000r/min;
(2) revolving speed for adjusting high-speed mixer is 80~250r/min, and white lime, silicon ash and aggregate is added, is uniformly mixed;
Water is added, is stirred using mortar mixer automatic catch, is uniformly mixed it, can discharge, standard examination is then made Block is for detecting.
Comparative example 1-2
Unlike embodiment 1-5, using the natural water lime as cementitious material in comparative example 1, with silicon in comparative example 2 Acid salt cement is common to compare silicon ash reconciliation water lime mortar and current masonry ancient building reinforcement and repair as cementitious material The performance of natural water admant lime and brick and cement mortar.
The silicon ash of embodiment 1-5 and comparative example 1-2 reconciliation water lime mortar and comparison mortar mix ratio are summarized such as table 1,
1 silicon ash of table reconciliation water lime mortar and comparison mortar mix ratio
Performance detection is carried out to mortar made from above-described embodiment 1-3 and comparative example 1-2, the results are shown in Table 2,
2 the performance test results of table
Conventional lime cementitious material appearance, 1 silicon ash of embodiment reconciliation water lime mortar and 2 silicate cement silt particle of comparative example The appearance of slurry is as shown in Figures 1 to 3.
The results show that silicon ash reconciliation water lime mortar proposed by the present invention,Its appearance and conventional lime matter glueGel material Unanimously, meet the requirement of rehabilitating historic building material " restoring the old as the old ".Silicon ash reconciliation water lime mortar also has and natural hydraulic The close even higher compression strength of lime base mortar, flexural strength and gas permeability, and it is able to achieve lower shrinking percentage, soluble salt Content and elasticity modulus;Importantly, silicon ash reconciles water lime mortar cost far below natural water admant lime and brick.With silicon Acid salt cement mortar is compared, and it is lower that silicon ash reconciles water lime mortar early strength, but intensity at 180d days is not much different, and And strength development rule and lower shrinking percentage, solvable salt content and elasticity modulus with sustainable growth and excellent Gas permeability guarantees the excellent compatibility of itself and masonry ancient building matrix.Therefore, silicon ash reconciliation water lime sand proposed by the present invention Slurry can be with wide popularization and application in various masonry ancient building reinforcement and repair engineerings.
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 masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar, which is characterized in that its raw material includes as follows Component: white lime, silicon ash, aggregate, polymer emulsion powder, cellulose ether, fiber.
2. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that In parts by weight, raw material includes following component: 15~30 parts of white lime, 3~10 parts of silicon ash, and 45~75 parts of aggregate, polymer 0.4~1.2 part of latex powder, 0.03~0.15 part of cellulose ether, 1~3 part of fiber.
3. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that The silicon ash is that specific surface area is not less than 16800m2The silicon ash of/kg.
4. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that The aggregate is discarded masonry powder.
5. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that The polymer emulsion powder is vinyl redispersable latex powder.
6. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that The cellulose ether is the hydroxyethylmethylcellulose that viscosity is 10000~45000mPas.
7. masonry ancient building reinforcement and repair according to claim 1 silicon ash reconciliation water lime mortar, which is characterized in that The fiber is the wood fibre or polypropylene fibre that diameter is 0.5~3mm.
8. a kind of claim 1-7 described in any item masonry ancient building reinforcement and repairs system of silicon ash reconciliation water lime mortar Preparation Method, which comprises the following steps:
(1) vinyl redispersable latex powder, hydroxyethylmethylcellulose and fiber are added into high-speed mixer, mixing is equal It is even;
(2) revolving speed for adjusting high-speed mixer, is added white lime, silicon ash and aggregate, is uniformly mixed, obtains masonry ancient building and add Gu reparation silicon ash reconciliation water lime mortar.
9. the masonry ancient building reinforcement and repair according to claim 8 preparation method of silicon ash reconciliation water lime mortar, It is characterized in that, mixing revolving speed is 500~1000r/min in step (1).
10. the masonry ancient building reinforcement and repair according to claim 8 preparation method of silicon ash reconciliation water lime mortar, It is characterized in that, revolving speed is 80~250r/min in step (2).
CN201910596172.2A 2019-07-03 2019-07-03 A kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar and preparation method Pending CN110317029A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114105502A (en) * 2021-11-26 2022-03-01 北京科技大学 Cementing material, historic building repair mortar and preparation method thereof
CN114262200A (en) * 2021-12-30 2022-04-01 安徽理工大学 Natural hydraulic lime mortar for cultural relic building restoration and modification preparation method thereof
CN114507055A (en) * 2022-03-07 2022-05-17 西安建筑科技大学 High-permeability blended hydraulic lime repair slurry prepared from superfine volcanic ash powder
CN114804796A (en) * 2022-01-27 2022-07-29 东南大学 Ancient building repairing cementing material and preparation method thereof
CN115259813A (en) * 2022-08-18 2022-11-01 诚邦生态环境股份有限公司 Modified hydraulic lime cementing material for repairing ancient building brick masonry and application thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114105502A (en) * 2021-11-26 2022-03-01 北京科技大学 Cementing material, historic building repair mortar and preparation method thereof
CN114105502B (en) * 2021-11-26 2022-12-20 北京科技大学 Cementing material, historic building repair mortar and preparation method thereof
CN114262200A (en) * 2021-12-30 2022-04-01 安徽理工大学 Natural hydraulic lime mortar for cultural relic building restoration and modification preparation method thereof
CN114804796A (en) * 2022-01-27 2022-07-29 东南大学 Ancient building repairing cementing material and preparation method thereof
CN114507055A (en) * 2022-03-07 2022-05-17 西安建筑科技大学 High-permeability blended hydraulic lime repair slurry prepared from superfine volcanic ash powder
CN115259813A (en) * 2022-08-18 2022-11-01 诚邦生态环境股份有限公司 Modified hydraulic lime cementing material for repairing ancient building brick masonry and application thereof

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