CN101708979A - High-performance aerated concrete plastering mortar - Google Patents
High-performance aerated concrete plastering mortar Download PDFInfo
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- CN101708979A CN101708979A CN200910311430A CN200910311430A CN101708979A CN 101708979 A CN101708979 A CN 101708979A CN 200910311430 A CN200910311430 A CN 200910311430A CN 200910311430 A CN200910311430 A CN 200910311430A CN 101708979 A CN101708979 A CN 101708979A
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- aerated concrete
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- mortar
- plastering mortar
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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
Abstract
The invention relates to the field of building materials, in particular to high-performance aerated concrete plastering mortar which is characterized by comprising the following materials in parts by weight: 250-350 parts of cement, 80-120 parts of floating beads, 40-80 parts of reinforced material, 70-90 parts of composite heat insulation aggregate, 1-2 parts of short fiber, 0.2-1.5 parts of water reducing agent, 0.5-2.0 parts of thickening agent, 5-10 parts of redispersable powder and 300-400 parts of slag sand. Compared with the prior art, the invention can effectively save the use of materials such as cement and the like, simultaneously enables the mortar to have excellent water conserving performance, crack resistance, water resistance, fire resistance and the like and excellent bonding force and anti-sagging performance, prevents the phenomena of hollowing and cracking from occurring, meets all performance requirements of a plastering layer, and has the obvious advantages of energy saving, environmental protection, simple construction, high strength, low cost, good product quality and the like.
Description
Technical field:
The present invention relates to building material field, specifically a kind of high-performance aerated concrete plastering mortar.
Background technology:
As everyone knows, building energy conservation is one of the ultimate aim that realizes the fundamental state policy of china natural resources Sustainable development, according to statistics, the developed country that the energy consumption of China unit's floor area of building is close with weather condition compares, up to 3 times of latter's energy consumption, the buildings of China 95% belongs to the high energy consumption building simultaneously, the heat transfer coefficient that reduces the building enclosure body of wall is a kind of major measure and the effective means of building energy conservation, gas concrete as novel wall material, be a kind of with siliceous material (sand, float pearl and contain silicon tailings etc.) and calcareous material (lime, cement) be main raw material, admixture foaming agent (aluminium powder), by batching, stir, cast, precuring, cutting, steam and press, the light porous silicate product that technological processs such as maintenance are made, gas concrete has economy compared to traditional material of construction, environmental protection, advantages such as fire-proof sound insulation is effective, thereby obtained energetically popularization in the last few years.
Building exterior wall heat preserving is for alleviating indoor thermal load; the be full of cracks and the internal condensation that prevent peripheral structure all are favourable; simultaneously can effectively protect agent structure; reduce thermal stresses; avoid the generation of heat (cold) bridge; compare with conventional art; has remarkable advantages; the realization of outer wall heat preservation system at present mainly contains dual mode; heat preservation plate material and thermal insulation mortar; though wherein to have a thermal conductivity low for heat preservation plate material; advantages such as thermal and insulating performance is good; but difficulty of construction is big, technical requirements height, and cost height; intensity is low; wherein existing the most frequently used method is to rely on adhesive mortar to paste on wall face warming plate, smears the thin layer polymers anti-cracking mortar in the warming plate outside then.Because exterior wall heat-preserving system is arranged on the lip-deep thermal insulation system of skin, its envrionment conditions of living in is comparatively complicated, weather-proof conditional request is higher, but in the application process of novel wall material and External Thermal Insulation Technology for External, owing to lack the mortar of building by laying bricks or stones and wiping one's face with the gas concrete special use, unit in charge of construction often adopts conventional cement mortar to build by laying bricks or stones and wipe one's face, cause many engineering constructions the metope cracking to occur, hollowing, problems such as seepage, had a strong impact on effectively carrying out of building energy conservation, and make troubles for people's productive life, therefore need a kind of good energy-conserving effect badly, easy construction, superior mixed plastering mortar.
Summary of the invention:
The present invention at the present situation of domestic and international existing building mortar production technology, provides a kind of easy construction, intensity height, low, the well-insulated high-performance aerated concrete plastering mortar of cost in order to overcome the deficiencies in the prior art.
The technical measures that the present invention adopts are:
A kind of high-performance aerated concrete plastering mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, float pearl 80-120 part, supporting material 40-80 part, compound heat-insulation aggregate 70-90 part, staple fibre 1-2 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
Each set of dispense ratio described in the present invention can be 300 parts of cement, floats 100 parts on pearl, supporting material 50-80 part, 80 parts in compound heat-insulation aggregate, staple fibre 1-2 part, 1.0 parts of hydrophober, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
Supporting material described in the present invention is calcium sulfate, brucite, and wherein calcium sulfate is 60 parts, and brucite 30-50 part in order to the time of coagulation of adjusting mortar, and guarantees that mortar has good later strength.
Staple fibre among the present invention can adopt one or more the mixture in poly-third fiber, mineral fibre, the alkali resistant glass fibre, is used for improving effectively the cracking resistance of mortar, impervious, anti-impact mill and freeze proof ability.
The compound heat-insulation aggregate can adopt glass bead among the present invention, and glass bead belongs to inorganic lightweight aggregate, can make mortar obtain thermal property preferably, thereby becomes the plastering mortar with heat-insulating property.
Thickening material can adopt cellulose ethers organic thickening agent or propylene class organic thickening agent among the present invention, is used for carrying out water-keeping thickening in mortar, improves application property and the wet viscosity of mortar etc.
Water reducer can adopt organosilicon among the present invention, thereby reduces water-absorbent effectively, improves the workability of mortar.
Redispersible powder among the present invention is a high molecular polymer, comprise supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively 40-80 part, 70-90 part, 1-2 part, 0.2-1.5 part, 0.5-2.0 part, 5-10 part, can increase the water-retentivity of mortar effectively, improve force of cohesion.
Slag sand described in the present invention adopts 10-100 order granularity, because it has better heat conductivity coefficient (0.20), can improve the thermal property of mortar, and can reduce the voidage of mortar, makes mortar form good skeleton.
The present invention compared with prior art, in proportioning, add slag sand, can save the use of materials such as cement effectively, simultaneously can make mortar have good water conservation, anticracking, waterproof, performances such as fire prevention, mortar is abundant aquation in use, agglomerative is more closely knit, and make mortar have good cohesive force and sag resistance, stop hollowing, rimose produces, satisfy every performance requriements of float coat, make mortar have plastering mortar and the dual performance of thermal insulation mortar concurrently, have energy-conserving and environment-protective, construction is simple, the intensity height, cost is low, significant advantage such as good product quality.
Embodiment:
The technical measures that the present invention adopts are:
A kind of high-performance aerated concrete plastering mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, float pearl 80-120 part, supporting material 40-80 part, compound heat-insulation aggregate 70-90 part, staple fibre 1-2 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
Each set of dispense ratio described in the present invention can be 300 parts of cement, floats 100 parts on pearl, supporting material 50-80 part, 80 parts in compound heat-insulation aggregate, staple fibre 1-2 part, 1.0 parts of hydrophober, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
Supporting material described in the present invention is calcium sulfate, brucite, and wherein calcium sulfate is 60 parts, and brucite 30-50 part in order to the time of coagulation of adjusting mortar, and guarantees that mortar has good later strength.
Staple fibre among the present invention can adopt one or more the mixture in poly-third fiber, mineral fibre, the alkali resistant glass fibre, is used for improving effectively the cracking resistance of mortar, impervious, anti-impact mill and freeze proof ability.
The compound heat-insulation aggregate can adopt glass bead among the present invention, and glass bead belongs to inorganic lightweight aggregate, can make mortar obtain thermal property preferably, thereby becomes the plastering mortar with heat-insulating property.
Thickening material can adopt cellulose ethers organic thickening agent or propylene class organic thickening agent among the present invention, is used for carrying out water-keeping thickening in mortar, improves application property and the wet viscosity of mortar etc.
Water reducer can adopt organosilicon among the present invention, thereby reduces water-absorbent effectively, improves the workability of mortar.
Redispersible powder among the present invention is a high molecular polymer, comprise supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively 40-80 part, 70-90 part, 1-2 part, 0.2-1.5 part, 0.5-2.0 part, 5-10 part, can increase the water-retentivity of mortar effectively, improve force of cohesion.
Slag sand described in the present invention adopts 10-100 order granularity, because it has better heat conductivity coefficient (0.20), can improve the thermal property of mortar, and can reduce the voidage of mortar, makes mortar form good skeleton.
Show that according to using the every performance index of mortar of the present invention are as follows:
| Dry density | ??855kg/M3 |
| Delamination degree | ??12mm |
| Time of coagulation | ??3h15min |
| Thermal conductivity | ??0.14W/M.K |
| Ultimate compression strength | ??5.9MP |
| Cohesive strength | ??0.26MP |
| Frost resistance | 25 times |
| Mass loss | ??4.4％ |
| Loss of strength | ??12.3％ |
| Shrinkage | ??0.94mm/M |
Every performance index detected result of the present invention and test are used and are shown that this product satisfies the every performance requriements of industry standard to special-purpose aerated concrete plastering mortar, thereby guaranteed with its excellent water retention property that the moisture content in the masonry mortar can be when the trowelling not be siphoned away by the gas concrete of vesicular structure and caused dehydration, aquation is insufficient, shrink too fast, intensity is not high, produce problem of cracks, match with alkali resistant glass fibre open weave cloth and form the surface layer of flexible break resistant in the screed outside, organosilyl interpolation simultaneously makes mortar obtain more excellent hydrophobicity performance, thereby reduce the water-absorbent of material, be anti-cracking, infiltration has increased barrier one; The present invention collects auxiliary thermal insulation layer and protective facing and one except that having steam-pressing aero-concrete with the performance that also possesses thermal insulation mortar the performance of plastering mortar.
The present invention can collect auxiliary heat-insulation layer and protective facing and one with its good performance; construction operation is simplified; the similar way that also need do the cracking resistance surface layer on the adhesive polystyrene granule heat-insulating mortar layer no longer appears; material and labour cost have been saved; in addition high-performance aerated concrete plastering mortar is because adding inorganic lightweight aggregate as insulation material; thereby strengthened fire resistance; also improved simultaneously the flameproof protection of the beam column position being pasted organic insulation material; compared with prior art; in proportioning, add slag sand; can effectively save the use of the materials such as cement; simultaneously can make mortar have good water conservation; anticracking; waterproof; the performances such as fire prevention; mortar is abundant aquation in use; gelling more closely knit; and make mortar have good cohesive force and sag resistance; stop hollowing; the generation of cracking; satisfy the properties requirement of float coat; make mortar have decorative mortar and thermal insulation mortar dual property concurrently, have energy-conserving and environment-protective; construction is simple; intensity is high; cost is low; the significant advantage such as good product quality.
Claims (9)
1. high-performance aerated concrete plastering mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, float pearl 80-120 part, supporting material 40-80 part, compound heat-insulation aggregate 70-90 part, staple fibre 1-2 part, water reducer 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
2. a kind of high-performance aerated concrete plastering mortar according to claim 1, it is characterized in that described each set of dispense ratio is: 300 parts of cement, float 100 parts on pearl, supporting material 50-80 part, 80 parts in compound heat-insulation aggregate, staple fibre 1-2 part, 1.0 parts of water reducers, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
3. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described supporting material is calcium sulfate, brucite, and wherein calcium sulfate is 60 parts, brucite 30-50 part.
4. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described staple fibre is poly-third fiber.
5. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described compound heat-insulation aggregate is a glass bead.
6. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described thickening material adopts methyl cellulose ether.
7. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described water reducer is an organosilicon.
8. a kind of high-performance aerated concrete plastering mortar according to claim 1, it is characterized in that described redispersible powder comprises supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively 40-80 part, 70-90 part, 1-2 part, 0.2-1.5 part, 0.5-2.0 part, 5-10 part.
9. a kind of high-performance aerated concrete plastering mortar according to claim 1 is characterized in that described slag sand adopts 10-100 order granularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910311430A CN101708979A (en) | 2009-12-15 | 2009-12-15 | High-performance aerated concrete plastering mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910311430A CN101708979A (en) | 2009-12-15 | 2009-12-15 | High-performance aerated concrete plastering mortar |
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| CN101708979A true CN101708979A (en) | 2010-05-19 |
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| CN200910311430A Pending CN101708979A (en) | 2009-12-15 | 2009-12-15 | High-performance aerated concrete plastering mortar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145988A (en) * | 2011-04-12 | 2011-08-10 | 康伟 | Dry powder mortar and preparation method thereof |
| CN102359237A (en) * | 2011-08-30 | 2012-02-22 | 信阳金固建筑节能保温工程有限公司 | Inorganic vitrified micro bubble external heat-insulating system for outer wall |
| CN102701677A (en) * | 2012-06-13 | 2012-10-03 | 江苏建筑职业技术学院 | Energy saving soundproof mortar for house wall |
| CN104211316A (en) * | 2014-08-19 | 2014-12-17 | 华北水利水电大学 | Towel-gourd fiber toughening anticracking mortar, preparation method and application |
-
2009
- 2009-12-15 CN CN200910311430A patent/CN101708979A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145988A (en) * | 2011-04-12 | 2011-08-10 | 康伟 | Dry powder mortar and preparation method thereof |
| CN102359237A (en) * | 2011-08-30 | 2012-02-22 | 信阳金固建筑节能保温工程有限公司 | Inorganic vitrified micro bubble external heat-insulating system for outer wall |
| CN102701677A (en) * | 2012-06-13 | 2012-10-03 | 江苏建筑职业技术学院 | Energy saving soundproof mortar for house wall |
| CN104211316A (en) * | 2014-08-19 | 2014-12-17 | 华北水利水电大学 | Towel-gourd fiber toughening anticracking mortar, preparation method and application |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100519 |