CN104829201A - Protection brick and stone ancient building repair lime bonding material - Google Patents
Protection brick and stone ancient building repair lime bonding material Download PDFInfo
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- CN104829201A CN104829201A CN201510192147.XA CN201510192147A CN104829201A CN 104829201 A CN104829201 A CN 104829201A CN 201510192147 A CN201510192147 A CN 201510192147A CN 104829201 A CN104829201 A CN 104829201A
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Abstract
The invention discloses a protection brick and stone ancient building repair lime bonding material, the hydraulic lime material comprises the following components by mass: 15-35% of lime, 20-50% of white cement, 10-30% of heavy calcium powder, 5-15% of active micro powder, and 0-2.2% of an aluminium additive, and the chemical composition, mineral composition and physical and mechanical properties of the hydraulic lime material are similar to that of ancient brick/stone building lime slurry in China, the hydraulic lime material solves the key problems of mismatching strength of cement mortar or polymer mortar in the prior art and ancient brick/stone, poor chemical compatibility and low longterm durability and the like, and overcomes the shortcomings of slow hardening, low strength, too large shrinkage, and the poor water resistance of the ordinary lime, and a new type inorganic cementing material is provided for protection brick and stone ancient building repair.
Description
Technical field
The present invention relates to a kind of repair brick/stone class ancient building hydraulic and the lime matrix material taken into account of air hardening, be mainly used in the strengthening by reparative method of ancient building, belong to the technical field that material of construction manufactures.
Background technology
Brick/stone class ancient building (as city wall, house, grave, rock cave etc.) is the important component part of Chinese cultural heritage, but under various natural cause and human activity effect, there is weathering, loose hollowing, scale off, rupture and the breakoff phenomenon such as disappearance, need constantly to carry out strengthening by reparative method.And the matrix material finding brick/stone class conservation of historic buildings is one of important topic of various countries' historical relic's protection worker research always.
Current brick/stone class ancient building repair reparation matrix material used has two large classes: inorganic materials, organic materials.Inorganic materials comprises lime, water glass, cement etc.; Organic materials comprises the synthesized polymer materials such as silicone resin, epoxy resin, acrylic resin.But a large amount of scientific researches and case history prove, cement and traditional brick/stone material incompatible, macromolecular material is then that aging speed is fast, perviousness and weathering resistance poor.Because the gelling material that brick/stone class ancient building uses at first is lime; its intensity and weather resistance all can meet service requirements; so the use of lime material has inherent advantage in compatible; but conventional lime material is compared with above-mentioned modern material; still there is the problems such as sclerosis is slow, intensity is low, it is excessive to shrink, poor water resistance, cause the protected effect of bonding and reinforcement unsatisfactory.
The present invention prepares hydraulic by the mode of the traditional common lime of employing, white cement, heavy calcium powder, activate micro powder, aluminium matter additive complex and air hardening takes into account lime matrix material, its feature has lime and cement advantage concurrently, and it can also can keep in atmosphere and continue developing intensity in water.After this lime matrix material contacts with water, white cement is hydration and hardening first, provides early strength; Then activate micro powder and lime generation pozzolanic reaction generate C-S-H colloid, provide mid-term intensity; There is carbonization slowly in last lime, provides longterm strength in atmosphere; Heavy calcium powder adds the flowing property obviously can improving lime white, ensures good construction; Aluminium matter admixture and lime reaction generate ettringite product phase, can reduce the contraction of lime white.This lime matrix material main mineral constituent is calcium hydroxide, calcium carbonate, and the mineral facies such as a small amount of Dicalcium Phosphate (Feed Grade), tricalcium silicate, tricalcium aluminate and tetracalcium aluminoferrite, and within 28 days, ultimate compression strength reaches more than 5MPa.This lime matrix material solves intensity, compatibility and endurance issues after brick/stone class ancient building reinforcing, and raw material sources of the present invention is convenient, preparation method is easy, cheap.
Summary of the invention
Goal of the invention: the present invention seeks to the deficiency for current brick/stone class conservation of historic buildings matrix material; the lime matrix material that a kind of hydraulic and air hardening are taken into account is provided; there is fast solidifying, lower shrinkage, moderate resistance to compression and folding strength; good with brick/stone consistency; meet compatibility and the reversibility requirement of ancient building repair, the strengthening by reparative method of ancient building can be widely used in.
Technical scheme: the lime matrix material that the invention provides a kind of restoration and protection brick and stone class ancient building, is characterized in that, the mass percent of each component of this material is:
Described common lime is the lime that calcium hydroxide content is greater than 95%.
Described white cement is the white portland cement of 32.5 grades and above grade.
Described heavy calcium powder is fineness is 325 object inertia heavy calcium carbonates.
Described activate micro powder is selected from the one of inclined kaolin, ground slag, zeolite powder.
Described aluminium matter admixture is selected from the one in sodium aluminate, potassium aluminate, Tai-Ace S 150, alunite.
In order to keep the consistence with brick/stone class ancient building traditional cementi used material in aesthetic, described raw-material whiteness is all greater than 80.
Lime matrix material of the present invention is a kind of solid powder mixture, needs in use to mix with it with a certain proportion of water.
Beneficial effect: the lime matrix material of restoration and protection brick provided by the invention/stone class ancient building, has the advantage of lime and cement concurrently, can play cooperative compensating effect between air hardening component and hydraulic component.Under natural curing environment, prepared hydraulic lime mortar fluidity is greater than 180mm, initial set > 2h, final set < 7h, within 28 days, ultimate compression strength reaches more than 5MPa, coefficient of softening > 0.65, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Embodiment
Below in conjunction with example, the invention will be further described:
Embodiment 1: the mass percent of each component of lime matrix material of restoration and protection brick of the present invention/stone class ancient building is:
Wherein activate micro powder is ground slag, and aluminium matter admixture is Tai-Ace S 150.
According to European standard, join lime adhesive mortar water cement ratio be 0.55, cement mortar rate is 1:3, stir shaping rear test mortar fluidity, and die-filling natural curing is to specifying the length of time, demoulding test ultimate compression strength after taking out.Under this example, mortar fluidity reaches 185mm, and the presetting period is 159min, and final setting time is 375min, and within 28 days, ultimate compression strength reaches 8.73MPa, and coefficient of softening is 0.69, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Embodiment 2: the mass percent of each component of lime matrix material of restoration and protection brick of the present invention/stone class ancient building is:
Wherein activate micro powder is metakaolin, and aluminium matter admixture is Tai-Ace S 150.
According to European standard, the water cement ratio of institute's water distribution hydraulic lime mortar is 0.55, and cement mortar rate is 1:3, stir shaping rear test mortar fluidity, and die-filling natural curing is to specifying the length of time, demoulding test ultimate compression strength after taking out.Under this example, mortar fluidity reaches 180mm, and the presetting period is 175min, and final setting time is 390min, and within 28 days, ultimate compression strength reaches 9.68MPa, and coefficient of softening is 0.73, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Embodiment 3: the mass percent of each component of lime matrix material of restoration and protection brick of the present invention/stone class ancient building is:
Wherein activate micro powder is ground slag, and aluminium matter admixture is alunite.
According to European standard, the water cement ratio of institute's water distribution hydraulic lime mortar is 0.55, and cement mortar rate is 1:3, stir shaping rear test mortar fluidity, and die-filling natural curing is to specifying the length of time, demoulding test ultimate compression strength after taking out.Under this example, mortar fluidity reaches 190mm, and the presetting period is 138min, and final setting time is 365min, and within 28 days, ultimate compression strength reaches 10.17MPa, and coefficient of softening is 0.66, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Embodiment 4: the mass percent of each component of lime matrix material of restoration and protection brick of the present invention/stone class ancient building is:
Wherein activate micro powder is ground slag, and aluminium matter admixture is Tai-Ace S 150.
According to European standard, join lime adhesive mortar water cement ratio be 0.55, cement mortar rate is 1:3, stir shaping rear test mortar fluidity, and die-filling natural curing is to specifying the length of time, demoulding test ultimate compression strength after taking out.Under this example, mortar fluidity reaches 155mm, and the presetting period is 189min, and final setting time is 455min, and within 28 days, ultimate compression strength reaches 5.73MPa, and coefficient of softening is 0.64, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Embodiment 5: the mass percent of each component of lime matrix material of restoration and protection brick of the present invention/stone class ancient building is:
Wherein activate micro powder is ground slag, and aluminium matter admixture is Tai-Ace S 150.
According to European standard, join lime adhesive mortar water cement ratio be 0.55, cement mortar rate is 1:3, stir shaping rear test mortar fluidity, and die-filling natural curing is to specifying the length of time, demoulding test ultimate compression strength after taking out.Under this example, mortar fluidity reaches 195mm, and the presetting period is 89min, and final setting time is 235min, and within 28 days, ultimate compression strength reaches 12.73MPa, and coefficient of softening is 0.84, meets the requirement of brick/stone class ancient building repairing and reinforcement.
Claims (7)
1. a lime matrix material for restoration and protection brick and stone class ancient building, is characterized in that, the mass percent of each component of this material is:
2. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, is characterized in that, described common lime is the lime that calcium hydroxide content is greater than 95%.
3. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, is characterized in that, described white cement is the white portland cement of 32.5 grades and above grade.
4. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, is characterized in that, described heavy calcium powder is fineness is 325 object inertia heavy calcium carbonates.
5. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, it is characterized in that, described activate micro powder is selected from the one of inclined kaolin, ground slag or zeolite powder.
6. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, is characterized in that, described aluminium matter admixture is selected from the one in sodium aluminate, potassium aluminate, Tai-Ace S 150 or alunite.
7. the lime matrix material of a kind of restoration and protection brick according to claim 1 and stone class ancient building, is characterized in that, described raw-material whiteness is all greater than 80, keeps the consistence in aesthetic with brick and stone class ancient building traditional cementi used material.
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| CN201510192147.XA CN104829201A (en) | 2015-04-21 | 2015-04-21 | Protection brick and stone ancient building repair lime bonding material |
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| CN201510192147.XA CN104829201A (en) | 2015-04-21 | 2015-04-21 | Protection brick and stone ancient building repair lime bonding material |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924191A (en) * | 2016-04-28 | 2016-09-07 | 郑州瑞泰耐火科技有限公司 | Potassium aluminate raw material of refractory brick preparation and preparation method of refractory brick |
| CN106587870A (en) * | 2016-12-05 | 2017-04-26 | 钦州市钦南区生产力促进中心 | Lime material and preparation method thereof |
| CN106699081A (en) * | 2016-11-21 | 2017-05-24 | 同济大学 | Cob brick structure repair materials prepared by using lime, bentonite and metakaolin and use method thereof |
| CN107285718A (en) * | 2017-07-07 | 2017-10-24 | 浙江德赛堡建筑材料科技有限公司 | A kind of lime base is micro- to shrink grouting material group thing and preparation method thereof |
| CN107793053A (en) * | 2017-11-21 | 2018-03-13 | 常州达奥新材料科技有限公司 | A kind of preparation method of hydraulic stone putty material |
| CN109626939A (en) * | 2019-01-15 | 2019-04-16 | 北京化工大学 | It is a kind of modified to enhance water-fast white lime cementitious material and preparation |
| CN109626913A (en) * | 2019-01-28 | 2019-04-16 | 中兴文物建筑装饰工程有限公司 | A kind of roofing tile part for building folder ridge ash and preparation method thereof |
| CN111747716A (en) * | 2020-06-30 | 2020-10-09 | 陕西科技大学 | Modified high-strength durable natural hydraulic lime slurry and preparation method thereof |
| CN114409356A (en) * | 2022-01-27 | 2022-04-29 | 东南大学 | Improved lime material for repairing wall of legacy building and preparation method thereof |
| CN114804796A (en) * | 2022-01-27 | 2022-07-29 | 东南大学 | Ancient building repairing cementing material and preparation method thereof |
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| ES2130050A1 (en) * | 1996-08-02 | 1999-06-16 | Consejo Superior Investigacion | Preparation of expanding and water-repellent lime mortars which can be used in the restoration of historic monuments |
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| CN103787634A (en) * | 2014-02-14 | 2014-05-14 | 浙江建设职业技术学院 | Lime mortar binding material for ancient architecture maintenance and preparation method thereof |
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2015
- 2015-04-21 CN CN201510192147.XA patent/CN104829201A/en active Pending
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924191A (en) * | 2016-04-28 | 2016-09-07 | 郑州瑞泰耐火科技有限公司 | Potassium aluminate raw material of refractory brick preparation and preparation method of refractory brick |
| CN106699081A (en) * | 2016-11-21 | 2017-05-24 | 同济大学 | Cob brick structure repair materials prepared by using lime, bentonite and metakaolin and use method thereof |
| CN106587870A (en) * | 2016-12-05 | 2017-04-26 | 钦州市钦南区生产力促进中心 | Lime material and preparation method thereof |
| CN107285718A (en) * | 2017-07-07 | 2017-10-24 | 浙江德赛堡建筑材料科技有限公司 | A kind of lime base is micro- to shrink grouting material group thing and preparation method thereof |
| CN107285718B (en) * | 2017-07-07 | 2020-02-04 | 浙江德赛堡建筑材料科技有限公司 | Lime-based micro-shrinkage grouting material composition and preparation method thereof |
| CN107793053A (en) * | 2017-11-21 | 2018-03-13 | 常州达奥新材料科技有限公司 | A kind of preparation method of hydraulic stone putty material |
| CN109626939A (en) * | 2019-01-15 | 2019-04-16 | 北京化工大学 | It is a kind of modified to enhance water-fast white lime cementitious material and preparation |
| CN109626913A (en) * | 2019-01-28 | 2019-04-16 | 中兴文物建筑装饰工程有限公司 | A kind of roofing tile part for building folder ridge ash and preparation method thereof |
| CN111747716A (en) * | 2020-06-30 | 2020-10-09 | 陕西科技大学 | Modified high-strength durable natural hydraulic lime slurry and preparation method thereof |
| CN114409356A (en) * | 2022-01-27 | 2022-04-29 | 东南大学 | Improved lime material for repairing wall of legacy building and preparation method thereof |
| CN114804796A (en) * | 2022-01-27 | 2022-07-29 | 东南大学 | Ancient building repairing cementing material and preparation method thereof |
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Application publication date: 20150812 |