CN108585695A - A kind of steel construction inorganic light-weight aggregate thermal insulation mortar - Google Patents

A kind of steel construction inorganic light-weight aggregate thermal insulation mortar Download PDF

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Publication number
CN108585695A
CN108585695A CN201810708051.8A CN201810708051A CN108585695A CN 108585695 A CN108585695 A CN 108585695A CN 201810708051 A CN201810708051 A CN 201810708051A CN 108585695 A CN108585695 A CN 108585695A
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China
Prior art keywords
powder
parts
thermal insulation
mortar
steel construction
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Pending
Application number
CN201810708051.8A
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Chinese (zh)
Inventor
陈勇敢
单银木
尹卫泽
范琢宇
胡立黎
应瑛
张先进
李鹏
姜民
刘节
张才勇
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Hang Xiao Gang Gou Ltd Co
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Hang Xiao Gang Gou Ltd Co
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Filing date
Publication date
Application filed by Hang Xiao Gang Gou Ltd Co filed Critical Hang Xiao Gang Gou Ltd Co
Priority to CN201810708051.8A priority Critical patent/CN108585695A/en
Publication of CN108585695A publication Critical patent/CN108585695A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C04B28/04Portland 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention relates to a kind of steel construction inorganic light-weight aggregate thermal insulation mortar, including powder and lightweight aggregate, the component and mass fraction of the powder are as follows:500 900 parts of cement;50 180 parts of flyash;10 60 parts of redispersable latex powder;2.0 9.0 parts of cellulose ether;40 100 parts of natural zeolite powder;0.05 0.35 parts of starch ether;1.0 70 parts of fiber.Cement, flyash and redispersable latex powder collectively constitute compound cementitious material system;Cement provides initial bond strength by the fast hydration at initial stage;Coal ash instead part of cement also functions to the function of improving mortar impermeability as cementitious material while improving mortar workability;Redispersable latex powder emulsifies film forming after being contacted with water, forms inierpeneirating network structure with the hydrated product of cement, so that mortar is obtained better adhesive property, and have certain anti-deformation;The workability and water retention property that cellulose ether and starch ether increase consistency of mortar, improve mortar;Natural zeolite powder improves the fire protecting performance of thermal insulation mortar to improve the workability of mortar mixture.

Description

A kind of steel construction inorganic light-weight aggregate thermal insulation mortar
Technical field
The present invention relates to building material technical field more particularly to a kind of steel construction inorganic light-weight aggregate thermal insulation mortars.
Background technology
Steel house in structural behaviour, uses function, design and construction and comprehensive cost etc. compared with traditional residential With very strong advantage.Developing steel house has the epoch-making significance carried out housing industrialization, improve housing quality, favorably In China's building trade technological progress, is conducive to pull metallurgy industry domestic demand and promotes the exploitation of energy saving and environment friendly building materials, be to build Build one of industry transition and upgrade direction.
Although steel house is acknowledged as structural system that is environmentally protective, adapting to housing industrialization development, by In steel thermal coefficient itself higher than 40 times of concrete or more, heat preservation energy-saving is that the big sternness that steel house faces is asked Topic;Secondly, the fire protecting performance of steel construction is poor, requires the fire protecting performance of its building enclosure high.Therefore, compared to traditional heat preservation Mortar, steel construction have special requirement to the insulated fire performance of thermal insulation mortar, traditional residential heat preservation currently on the market Mortar cannot be satisfied the demand of steel house development.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of steel construction inorganic light-weight aggregate thermal insulation sand Slurry, the thermal insulation mortar is with thermal coefficient is low, compression strength is high, stretch-bonded performance is good, dry density under room temperature and the condition of high temperature It is small, fire protecting performance is good, and have excellent workability, disclosure satisfy that steel house to spies such as the fireproof heat insulatings of thermal insulation mortar It is different to require, it has a extensive future in the process for promoting steel house..
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar of the present invention, technical solution are:
A kind of steel construction interior wall boundary mortar with epoxy coating, it is characterised in that:It is described including powder and lightweight aggregate The component and mass fraction of powder are as follows:
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar provided by the invention, further includes following attached technical scheme:
Wherein, the quality (kg) of the powder and volume (L) ratio of lightweight aggregate are 1:2.5-4.5.
Wherein, the component of the preferable powder and mass fraction are as follows:
Wherein, the quality (kg) of the powder and volume (L) ratio of lightweight aggregate are 1:3.5-4.0.
Wherein, the lightweight aggregate is closed perlite or glass bead.
Wherein, the fiber is at least one of PP fibers, mineral wool or mineral wool, and the preferred weight ratio of PP fibers is 2.0-5.0 parts, the preferred weight ratio of mineral wool or mineral wool is 20-60 parts.
Wherein, the redispersable latex powder is ethylene-vinyl acetate copolymer, acrylate copolymer or copolymerization of butylbenzene At least one of object.
Wherein, the cellulose ether is methyl cellulose ether, hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether or hydroxyl At least one of ethylmethylcellulose ether is appointed several.
Wherein, the natural zeolite powder is 200 mesh;The cement is portland cement, and strength grade is not less than 42.5 grades.
The present invention also provides a kind of preparation methods of steel construction inorganic light-weight aggregate thermal insulation mortar, including step:
S1:500-900 parts of cement, 50-180 parts of flyash, the redispersable latex powder 10-60 for taking mass fraction following Part, 2.0-9.0 parts of cellulose ether, 40-100 parts of natural zeolite powder, 0.05-0.35 parts of starch ether and 1.0-70 parts of fiber, dry mixing It is uniformly mixed and is prepared into powder;
S2:According to the quality (kg) of powder and the volume (L) of lightweight aggregate than being 1:The ratio of 3.5-4.0 takes lightweight aggregate;
S3:Lightweight aggregate is uniformly mixed with powder, heat preservation sand is made;
S4:Water is added into heat preservation sand to stir to consistency 75-85mm, mortar is made.
The implementation of the present invention includes following technique effect:
Steel construction inorganic light-weight aggregate thermal insulation mortar provided by the invention, cement, flyash and redispersable latex powder two Kind substance collectively constitutes compound cementitious material system.The effect of cement is to provide initial adhesion by the fast hydration at initial stage Intensity;Coal ash instead part of cement also functions to while improving mortar workability as cementitious material and improves mortar impermeability Function;Redispersable latex powder emulsifies film forming after being contacted with water, forms inierpeneirating network structure with the hydrated product of cement, makes sand Slurry obtains better adhesive property, and has certain anti-deformation;Cellulose ether and starch ether can increase consistency of mortar, change The workability and water retention property of kind mortar;Natural zeolite powder improves thermal insulation mortar to improve the workability of mortar mixture Fire protecting performance;Fiber mainly plays cracking resistance, cracks after preventing mortar from consolidating dehydration, and mineral wool or mineral wool can also be improved and be applied Work performance.
Specific implementation mode
The present invention is described in detail below in conjunction with embodiment, it should be pointed out that described embodiment only purport Convenient for the understanding of the present invention, and any restriction effect is not played to it.
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar provided by the invention, including powder and lightweight aggregate, the group of powder Part and mass fraction are as follows:
Wherein, the quality (kg) of powder and volume (L) ratio of lightweight aggregate are 1:2.5-4.5 preferably than being 1:3.5- 4.0, most preferably than being 1:3.9.
Cement, flyash and redispersable latex powder collectively constitute compound cementitious material system.The effect of cement is Initial bond strength is provided by the fast hydration at initial stage;Coal ash instead part of cement as cementitious material improve mortar and The function of improving mortar impermeability is also functioned to while easy property;Redispersable latex powder emulsifies film forming after being contacted with water, with cement Hydrated product form inierpeneirating network structure, so that mortar is obtained better adhesive property, and there is certain anti-deformation;It is fine The workability and water retention property that the plain ether of dimension and starch ether can increase consistency of mortar, improve mortar;Natural zeolite powder is improving The workability of mortar mixture improves the fire protecting performance of thermal insulation mortar;Fiber mainly plays cracking resistance, prevents mortar from consolidating dehydration After crack, and mineral wool or mineral wool can also improve workability.
It there are no the producing and selling and application of steel construction special interface mortar, steel knot provided by the invention currently on the market Structure inorganic light-weight aggregate thermal insulation mortar the key technical indexes value such as following table:
It is with obvious effects to be better than common concrete interface mortar in the market, there is unique application value in field of steel structure.
Wherein it is preferred to which lightweight aggregate is float stone, scoria, lytag, expanded slag pearl, haydites of book structure, clay pottery At least one of grain, expanded perlite, closed perlite or glass bead, it is therefore preferable in closed perlite or glass bead At least one.
Wherein it is preferred to fiber is at least one of PP fibers, mineral wool or mineral wool, the preferred weight ratio of PP fibers It it is 2.0-5.0 parts, the preferred weight ratio of mineral wool or mineral wool is 20-60 parts.
Wherein it is preferred to which redispersable latex powder is that ethylene-vinyl acetate copolymer, acrylate copolymer or butylbenzene are total At least one of polymers.
Wherein it is preferred to which cellulose ether is methyl cellulose ether, hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether At least one of ethoxyl methyl cellulose ether or appoint it is several.
Wherein it is preferred to which natural zeolite powder is 200 mesh;Preferably, cement is portland cement, and strength grade is not less than 42.5 grades.
The present invention also provides a kind of preparation methods of steel construction inorganic light-weight aggregate thermal insulation mortar, including step:
S1:500-900 parts of cement, 50-180 parts of flyash, the redispersable latex powder 10-60 for taking mass fraction following Part, 2.0-9.0 parts of cellulose ether, 40-100 parts of natural zeolite powder, 0.05-0.35 parts of starch ether and 1.0-70 parts of fiber, dry mixing It is uniformly mixed and is prepared into powder;
S2:According to the quality (kg) of powder and the volume (L) of lightweight aggregate than being 1:The ratio of 3.5-4.0 takes lightweight aggregate;
S3:Lightweight aggregate is uniformly mixed with powder, heat preservation sand is made;
S4:Water is added into heat preservation sand to stir to consistency 75-85mm, mortar is made.
Wherein, " consistency 75-85mm " refers to the cone penetration value (also referred to as penetration index) of mortar, refers at 25 DEG C, uses obtuse angle The metal taper of shape is in 5s in the time, and the depth of lubricating grease is sunk in dead weight.
The present invention also provides a kind of construction methods of steel construction inorganic light-weight aggregate thermal insulation mortar to use in construction Manual batch (scraping) applies or mechanical spray coating is constructed, and the boundary mortar is boundary mortar described above.
Below by the construction method with specific embodiment to steel construction inorganic light-weight aggregate thermal insulation mortar provided by the invention It is described.
Embodiment 1
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar, is counted in parts by weight, general by 42.5 grades of mass fraction as follows Logical portland cement 750, flyash 80, ethylene-vinyl acetate latex powder 20, ethoxyl methyl cellulose ether 6.0, natural zeolite 45 parts of powder 65, starch ether 0.2 and mineral wool, are prepared into powder;According still further to the quality (Kg) of powder:The volume of closed perlite (L) it is 1:3.5 ratio obtains closed perlite, is hybridly prepared into mortar raw material.Consistency of mortar is controlled after adding water to mix and stir (80 ± 5) mm, the thermal coefficient of gained thermal insulation mortar are 0.094W/mk, compression strength 2.8MPa, and tensile bond strength is 0.30MPa。
Embodiment 2
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar, is counted in parts by weight, general by 42.5 grades of mass fraction as follows Logical portland cement 790, flyash 100, ethylene-vinyl acetate latex powder 25, ethoxyl methyl cellulose ether 7.0, natural zeolite 3.0 parts of powder 74, starch ether 0.2 and PP fibers, are prepared into powder;According still further to the quality (Kg) of powder:The volume of closed perlite (L) it is 1:3.6 ratio obtains closed perlite, is hybridly prepared into mortar raw material.Consistency of mortar is controlled after adding water to mix and stir (80 ± 5) mm, the thermal coefficient of gained thermal insulation mortar are 0.096W/mk, compression strength 3.1MPa, and tensile bond strength is 0.33MPa。
Embodiment 3
A kind of steel construction inorganic light-weight aggregate thermal insulation mortar, is counted in parts by weight, general by 42.5 grades of mass fraction as follows Logical portland cement 800, flyash 100, ethylene-vinyl acetate latex powder 25, ethoxyl methyl cellulose ether 4.0, natural zeolite 30 parts of powder 70, starch ether 0.2 and mineral wool, are prepared into powder;According still further to the quality (Kg) of powder:The volume (L) of glass bead is 1:3.8 ratio obtains glass bead, is hybridly prepared into mortar raw material.Mixed preparing forms.It is thick that mortar is controlled after adding water to mix and stir Degree is in (80 ± 5) mm, and the thermal coefficient of gained thermal insulation mortar is 0.091W/mk, compression strength 2.7MPa, and stretch-bonded is strong Degree is 0.27MPa.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention Matter and range.

Claims (10)

1. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar, which is characterized in that including powder and lightweight aggregate, the group of the powder Part and mass fraction are as follows:
2. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to claim 1, which is characterized in that the powder Quality (kg) and volume (L) ratio of lightweight aggregate are 1:2.5-4.5.
3. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to claim 1, which is characterized in that the powder Component and mass fraction are as follows:
4. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to claim 3, which is characterized in that the powder Quality (kg) and volume (L) ratio of lightweight aggregate are 1:3.5-4.0.
5. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to any one of claim 1-4, which is characterized in that The lightweight aggregate is closed perlite or glass bead.
6. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to any one of claim 1-4, which is characterized in that The fiber is at least one of PP fibers, mineral wool or mineral wool, and the weight ratio of PP fibers is 2.0-5.0 parts, mineral wool or The weight ratio of mineral wool is 20-60 parts.
7. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to any one of claim 1-4, which is characterized in that The redispersable latex powder is at least one in ethylene-vinyl acetate copolymer, acrylate copolymer or butylbenzene copolymer Kind.
8. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to any one of claim 1-4, which is characterized in that The cellulose ether is methyl cellulose ether, hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether or hydroxyethyl methyl fiber At least one of plain ether.
9. a kind of steel construction inorganic light-weight aggregate thermal insulation mortar according to any one of claim 1-4, which is characterized in that The natural zeolite powder is 200 mesh;The cement is portland cement, and strength grade is not less than 42.5 grades.
10. a kind of preparation method of steel construction inorganic light-weight aggregate thermal insulation mortar, which is characterized in that including step:
S1:500-900 parts of cement, 50-180 parts of flyash, 10-60 parts of redispersable latex powder, the fibre for taking mass fraction following 1.0-70 parts of plain 2.0-9.0 parts of the ether of dimension, 40-100 parts of natural zeolite powder, 0.05-0.35 parts of starch ether and fiber, dry mixing mixing are equal It is even to be prepared into powder;
S2:According to the quality (kg) of powder and the volume (L) of lightweight aggregate than being 1:The ratio of 2.5-4.5 takes lightweight aggregate;
S3:Lightweight aggregate is uniformly mixed with powder, heat preservation sand is made;
S4:Water is added into heat preservation sand to stir to consistency 75-85mm, mortar is made.
CN201810708051.8A 2018-07-02 2018-07-02 A kind of steel construction inorganic light-weight aggregate thermal insulation mortar Pending CN108585695A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020610A (en) * 2018-10-10 2018-12-18 天津市昊鹏建材股份有限公司 A kind of preparation method of ground cushion light mortar
CN109704686A (en) * 2019-02-25 2019-05-03 杭萧钢构股份有限公司 A kind of steel construction waterproof plaster mortar and its preparation method and application
CN110482938A (en) * 2019-09-27 2019-11-22 安徽虹达道路桥梁工程有限公司 A kind of environmental-friendly construction material and preparation method thereof
CN110922106A (en) * 2019-11-19 2020-03-27 浙江鼎峰科技股份有限公司 Building waste recycled aggregate masonry mortar and preparation method thereof
CN112159175A (en) * 2020-09-29 2021-01-01 江苏尼高科技有限公司 Bi-component thermal insulation mortar, preparation method and thermal insulation structure thereof
CN112759331A (en) * 2021-02-08 2021-05-07 江苏中砼新材料科技有限公司 Quick-drying waterproof plastering mortar and preparation method thereof

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CN103172314A (en) * 2013-03-28 2013-06-26 海达建设集团有限公司 Polycrystal inorganic lightweight aggregate thermal insulation mortar

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020610A (en) * 2018-10-10 2018-12-18 天津市昊鹏建材股份有限公司 A kind of preparation method of ground cushion light mortar
CN109704686A (en) * 2019-02-25 2019-05-03 杭萧钢构股份有限公司 A kind of steel construction waterproof plaster mortar and its preparation method and application
CN110482938A (en) * 2019-09-27 2019-11-22 安徽虹达道路桥梁工程有限公司 A kind of environmental-friendly construction material and preparation method thereof
CN110922106A (en) * 2019-11-19 2020-03-27 浙江鼎峰科技股份有限公司 Building waste recycled aggregate masonry mortar and preparation method thereof
CN110922106B (en) * 2019-11-19 2022-03-25 浙江鼎峰科技股份有限公司 Building waste recycled aggregate masonry mortar and preparation method thereof
CN112159175A (en) * 2020-09-29 2021-01-01 江苏尼高科技有限公司 Bi-component thermal insulation mortar, preparation method and thermal insulation structure thereof
CN112759331A (en) * 2021-02-08 2021-05-07 江苏中砼新材料科技有限公司 Quick-drying waterproof plastering mortar and preparation method thereof
CN112759331B (en) * 2021-02-08 2022-07-22 江苏中砼新材料科技有限公司 Quick-drying waterproof plastering mortar and preparation method thereof

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