CN101691290B - Mortar for building and plastering PTB aerated concrete blocks and using method thereof - Google Patents
Mortar for building and plastering PTB aerated concrete blocks and using method thereof Download PDFInfo
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- CN101691290B CN101691290B CN2009103060323A CN200910306032A CN101691290B CN 101691290 B CN101691290 B CN 101691290B CN 2009103060323 A CN2009103060323 A CN 2009103060323A CN 200910306032 A CN200910306032 A CN 200910306032A CN 101691290 B CN101691290 B CN 101691290B
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Abstract
The invention provides mortar for building and plastering PTB aerated concrete blocks, which belongs to the technical field of building materials. Raw materials of the mortar are PTB aqueous solution and PTB powder, wherein the PTB aqueous solution is prepared by diluting PTB emulsion (COMPAKTUNA PRO) and water in a certain proportion; and the PTB powder comprises waste PTB aerated concrete blocks. The PTB aqueous solution and the PTB powder are stirred uniformly to form the mortar for building and plastering the PTB aerated concrete blocks. The mortar has good cohesiveness, water resistance, water retention and deformation capacity, comprehensively uses the waste aerated concrete blocks, has significant environmental protection benefit, is suitable for large-scale popularization and application, and has significant economic benefit.
Description
Technical field
The invention belongs to building material technical field, more specifically relate to a kind of PTB air-entrained concrete building block and build by laying bricks or stones and plastering mortar and method of use thereof.
Background technology
The gas concrete steaming pressing product be with calcareous material and siliceous material (flyash, slag, sand etc.) through a series of aquation, condense, process of setting is aided with foaming agent (aluminium powder etc.) gets angry, the man-made new materials for wall of under high-temperature and high-pressure conditions, processing by certain production technique.Since air-entrained concrete building block exist drying shrinkage big, lead moist poor, separate long, Young's modulus of wet time less than objective factors such as common masonry mortar and motars, be prone to produce wall body slit.Domestic and international many experts have carried out a large amount of research to it, but air-entrained concrete building block wall body slit problem is not still effectively solved.And a lot of air-entrained concrete building block manufacturers produce a lot of air-entrained concrete building block waste materials (comprising underproof air-entrained concrete building block, air-entrained concrete building block scrap stock etc.) in process of production, cause environmental pollution, the wasting of resources.The air-entrained concrete building block waste material is used in the air-entrained concrete building block special-purpose masonry mortar and motar; Can reduce the unit weight of masonry mortar and motar; Improve the heat-insulating property of masonry mortar and motar; Reduce the ultimate compression strength and the Young's modulus of masonry mortar and motar, make it to coordinate mutually, avoid being out of shape the hollowing and the cracking phenomena of inconsistent appearance because of both with air-entrained concrete building block.
Summary of the invention
The objective of the invention is to above-mentioned the problems of the prior art; Provide a kind of PTB air-entrained concrete building block to build by laying bricks or stones and plastering mortar; This mortar has bonds well property, water-repellancy, water-retentivity and deformability, fully utilizes the air-entrained concrete building block waste material simultaneously, and environmental benefit is obvious; Be suitable for large-scale promotion application, have remarkable economic efficiency.
PTB air-entrained concrete building block of the present invention is built by laying bricks or stones with plastering mortar: said PTB air-entrained concrete building block is built by laying bricks or stones with plastering mortar and is made up of the PTB aqueous solution and PTB powder; The weight ratio of the said PTB aqueous solution and PTB powder is: 0.1～0.3: 1.
Mortar of the present invention makes and is used as masonry mortar, uses step following:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min; Mortar behind the mix used up in 4 hours, and dry and hard mortar is given it up;
When 2) building by laying bricks or stones, floating ash is removed in the building block slurry surface, adopts cleaver or spatula to execute to pave and builds mortar; Starch in hypodermis building block upper surface the horizontal mortar joint shop; Vertical mortar joint shop is earlier starched in the building block side, and then goes up wall and adopt and rub extruding and make that to sit slurry closely knit, and touch with rubber mallet ajust, levelling; Build by laying bricks or stones masonry day and highly be no more than 2.4m;
3) building block of wall should not moved arbitrarily or be impacted on the block, builds by laying bricks or stones as if needing correction, should spread again to smear masonry mortar;
4) the mortar joint plumpness after building by laying bricks or stones will reach more than 80%, do not meet the requirements of must fill up with masonry mortar, jointing, otherwise the easy hollowing of plastering mortar, cracking in the future;
Treat masonry mortar condense parch after, can carry out next process.
Mortar of the present invention makes and is used as plastering mortar, uses step following:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min; Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up;
2) the plastering mortar gauge control is thick at 0.5～1cm;
3) criticize and scrape in the plastering mortar 4 hours, avoid being soaked with rain, otherwise can reduce intensity.
Remarkable advantage of the present invention is:
(1) the present invention has consumed a large amount of air-entrained concrete building block waste materials, has responded national economical environment-protective policy, makes waste material obtain comprehensive utilization simultaneously.
(2) have stronger cohesiveness, bond firmly, have better waterproof, reduce the possibility that extraneous moisture carries out building block with basic unit; Have water-retentivity preferably, thereby guarantee that the moisture content in the mortar can be by the too fast absorption of air-entrained concrete building block, the forfeiture cohesive strength; Have the certain deformation ability, can produce corresponding deformation with the moisture expansion and drying shrinkage of air-entrained concrete building block; The ordinary Portland cement that uses in the raw material of the present invention is a kind of mineral binder bond, and it and water generation hydration reaction generate the C-S-H gel, make the intensity fast development of air-entrained concrete building block interfacial agents.The PTB emulsion is a kind of organic binder bond, and along with the carrying out of hydration process, the dehydration of PTB emulsion forms polymeric film; Around the cavity that this film continuous distribution is produced, be bonded to a firm integral body to them firmly when cement solidification, and across the microscopic checks in the sand-cement slurry sclerotium; The connection of shuttling back and forth becomes whippy " hinge " structure when stressed, both disperseed stress concentration; Increase resistance capacity to deformation again, can improve its water-retentivity greatly because added ether of cellulose again.
(3) PTB air-entrained concrete building block of the present invention is built by laying bricks or stones and the plastering mortar superior performance, can make waste material reach comprehensive utilization, has remarkable economic efficiency and social benefit.
Embodiment
Raw material: the PTB aqueous solution and PTB powder, the weight ratio of the PTB aqueous solution and PTB powder is: (0.1～0.3): 1, with PTB emulsion (being COMPAKTUNA PRO) and water by volume 1: (1～40) is mixed into the PTB aqueous solution.
The PTB powder is: according to weight percentage, and ordinary Portland cement 20～40%, fine sand 30～40%, air-entrained concrete building block waste material 30～40%, the weight sum of said ordinary Portland cement, fine sand and air-entrained concrete building block waste material is 100%; In said three kinds of raw materials, add ether of cellulose again: the consumption of said ether of cellulose is 0.2～0.4wt% of cement consumption, mixes.
The air-entrained concrete building block waste material is: the air-entrained concrete building block waste material that produces when adopting air-entrained concrete building block to produce is through being ground into the particle of size in 30～100 order scopes; Said ether of cellulose adopts methyl cellulose ether.
Method of use:
Masonry mortar:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min.Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up.
When 2) building by laying bricks or stones, floating ash should be removed in the building block slurry surface, adopts cleaver or spatula all can execute to pave and builds mortar.Horizontal mortar joint should be spread and starch in hypodermis building block upper surface, and vertical mortar joint can be spread earlier and starch in the building block side, and then goes up wall and adopt and rub extruding and make that to sit slurry closely knit, and touch with rubber mallet ajust, levelling.Build by laying bricks or stones masonry day highly and should not surpass 2.4m.
The building block of wall should not moved arbitrarily or be impacted on the block, builds by laying bricks or stones as if needing correction, should spread again to smear masonry mortar.
Mortar joint plumpness after building by laying bricks or stones will reach more than 80%, do not meet the requirements of must fill up with masonry mortar, jointing, otherwise the easy hollowing of plastering mortar, cracking in the future.
Treat masonry mortar condense parch after, can carry out next process.
Plastering mortar:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min.Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up.
2) the plastering mortar gauge control is thick at 0.5～1cm.
3) criticize and scrape in the plastering mortar 4 hours, avoid being soaked with rain, otherwise can reduce intensity.
Below be most preferred embodiment of the present invention, further specify the present invention, but the present invention is not limited only to this
Most preferred embodiment
Raw material: the PTB aqueous solution and PTB powder, the weight ratio of the PTB aqueous solution and PTB powder is 0.25: 1, with PTB emulsion (being COMPAKTUNA PRO) and water 1: 8 by volume, is mixed into the PTB aqueous solution.
Consisting of of PTB powder: according to weight percentage, the weight sum of 42.5 ordinary Portland cements 30%, fine sand 35%, air-entrained concrete building block waste material 35%, said ordinary Portland cement, fine sand and air-entrained concrete building block waste material is 100%; Ether of cellulose: the 0.3wt% of cement consumption mixes.
The performance index of PTB emulsion are seen table 1.The PTB air-entrained concrete building block is built by laying bricks or stones with the performance index of plastering mortar and is seen table 2.
Table 1PTB emulsion technology parameter
The performance of table 2 masonry mortar and plastering mortar
| Classification | Wet density (kg/m 3) | Water-retentivity (%) | Cohesive strength (MPa) | Folding strength (MPa) | Ultimate compression strength (MPa) |
| Masonry mortar | 1413.96 | 57.47 | 0.489 | 2.25 | 6.36 |
| Plastering mortar | 1487.61 | 55.66 | 0.838 | 4.22 | 11.48 |
The concrete steps of method of use are:
Masonry mortar:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min.Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up.
When 2) building by laying bricks or stones, floating ash should be removed in the building block slurry surface, adopts cleaver or spatula all can execute to pave and builds mortar.Horizontal mortar joint should be spread and starch in hypodermis building block upper surface, and vertical mortar joint can be spread earlier and starch in the building block side, and then goes up wall and adopt and rub extruding and make that to sit slurry closely knit, and touch with rubber mallet ajust, levelling.Build by laying bricks or stones masonry day highly and should not surpass 2.4m.
The building block of wall should not moved arbitrarily or be impacted on the block, builds by laying bricks or stones as if needing correction, should spread again to smear masonry mortar.
Mortar joint plumpness after building by laying bricks or stones will reach more than 80%, do not meet the requirements of must fill up with masonry mortar, jointing, otherwise the easy hollowing of plastering mortar, cracking in the future.
Treat masonry mortar condense parch after, can carry out next process.
Plastering mortar:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min.Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up.
2) the plastering mortar gauge control is thick at 0.5～1cm.
3) criticize and scrape in the plastering mortar 4 hours, avoid being soaked with rain, otherwise can reduce intensity.
Claims (3)
1. a PTB air-entrained concrete building block is built by laying bricks or stones and plastering mortar, it is characterized in that: said PTB air-entrained concrete building block is built by laying bricks or stones with plastering mortar and is made up of the PTB aqueous solution and PTB powder;
The weight ratio of the said PTB aqueous solution and PTB powder is: 0.1～0.3: 1;
The said PTB aqueous solution is: with PTB emulsion and water 1: 1 by volume～40, mix;
Said PTB powder is: according to weight percentage, and ordinary Portland cement 20～40%, fine sand 30～40%, air-entrained concrete building block waste material 30～40%, the weight sum of said ordinary Portland cement, fine sand and air-entrained concrete building block waste material is 100%; In said three kinds of raw materials, add ether of cellulose again: the consumption of said ether of cellulose is 0.2～0.4wt% of cement consumption, mixes;
Said air-entrained concrete building block waste material is: the air-entrained concrete building block waste material that produces when adopting air-entrained concrete building block to produce is through being ground into the particle of size in 30～100 order scopes; Said ether of cellulose adopts methyl cellulose ether.
2. a PTB air-entrained concrete building block as claimed in claim 1 is built the method for use with plastering mortar by laying bricks or stones, and it is characterized in that: said mortar makes and is used as masonry mortar, uses step following:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min; Mortar behind the mix used up in 4 hours, and dry and hard mortar is given it up;
When 2) building by laying bricks or stones, floating ash is removed in the building block slurry surface, adopts cleaver or spatula to execute to pave and builds mortar; Starch in hypodermis building block upper surface the horizontal mortar joint shop; Vertical mortar joint shop is earlier starched in the building block side, and then goes up wall and adopt and rub extruding and make that to sit slurry closely knit, and touch with rubber mallet ajust, levelling; Build by laying bricks or stones masonry day and highly be no more than 2.4m;
3) building block of wall should not moved arbitrarily or be impacted on the block, builds by laying bricks or stones as if needing correction, should spread again to smear masonry mortar;
4) the mortar joint plumpness after building by laying bricks or stones will reach more than 80%, do not meet the requirements of must fill up with masonry mortar, jointing, otherwise the easy hollowing of plastering mortar, cracking in the future;
5) treat masonry mortar condense parch after, can carry out next process.
3. a PTB air-entrained concrete building block as claimed in claim 1 is built the method for use with plastering mortar by laying bricks or stones, and it is characterized in that: said mortar makes and is used as plastering mortar, uses step following:
1) the PTB aqueous solution is slowly joined in the PTB powder, adopt mechanical stirring even then, churning time is at 3～10min; Mortar behind the mix should use up in 4 hours, and dry and hard mortar should be given it up;
2) the plastering mortar gauge control is thick at 1cm;
3) criticize and scrape in the plastering mortar 4 hours, avoid being soaked with rain, otherwise can reduce intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009103060323A CN101691290B (en) | 2009-08-25 | 2009-08-25 | Mortar for building and plastering PTB aerated concrete blocks and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009103060323A CN101691290B (en) | 2009-08-25 | 2009-08-25 | Mortar for building and plastering PTB aerated concrete blocks and using method thereof |
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| CN101691290A CN101691290A (en) | 2010-04-07 |
| CN101691290B true CN101691290B (en) | 2012-07-04 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101898905A (en) * | 2010-07-26 | 2010-12-01 | 江其东 | Waterproof ventilating type old wall ceramic tile retreading interface agent and using method thereof |
| CN102182323A (en) * | 2011-01-31 | 2011-09-14 | 云南巨和建设集团有限公司 | Process for dry laying of autoclaved aerated concrete blocks in low-latitude plateaus |
| CN102433971A (en) * | 2011-09-09 | 2012-05-02 | 福建康波力特阳光建材有限公司 | PTB (Polytechnisch Bedrijf Bvba/Sprl) multifunctional composite board for outer wall as well as preparation method and use method thereof |
| CN102677849B (en) * | 2012-04-27 | 2015-01-07 | 艾国宁 | Method for processing composite heat insulating decorative integrated board |
| CN102677848A (en) * | 2012-04-27 | 2012-09-19 | 牛智勇 | Construction process of ultra-light foam cement heat insulating decorative board on outer wall |
| CN105484508B (en) * | 2015-12-10 | 2017-05-03 | 中国十七冶集团有限公司 | Bi-directional automatic masonry mortar filling and paving machine for building |
| CN107151124A (en) * | 2017-06-01 | 2017-09-12 | 云南坤瑞泰隆建材科技股份有限公司 | A kind of steam-pressing aero-concrete thin layer decorative mortar |
| CN107151125A (en) * | 2017-06-01 | 2017-09-12 | 云南坤瑞泰隆建材科技股份有限公司 | A kind of steam pressure sand aerated concrete block builds adhesive by laying bricks or stones |
| CN107640926A (en) * | 2017-09-26 | 2018-01-30 | 河南兴安新型建筑材料有限公司 | Steam-pressing aero-concrete thin layer masonry binder and preparation method thereof |
| CN109608140A (en) * | 2019-01-23 | 2019-04-12 | 福州大学 | A kind of tunnel injection environmentally friendly cement concrete and its preparation and application |
| CN109826328A (en) * | 2019-03-15 | 2019-05-31 | 福建建工集团有限责任公司 | PTB rubber cement fills up the close piece structure in the unidirectional superimposed sheet bottom of assembled and construction method |
| CN114804786B (en) * | 2022-06-08 | 2023-06-02 | 新化县天马建筑新材料科技有限公司 | Anti-cracking mortar and preparation method thereof |
| CN115746599A (en) * | 2022-12-21 | 2023-03-07 | 山西潞安晋安矿业工程有限责任公司 | Bi-component inorganic thin spraying material for coal mine |
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2009
- 2009-08-25 CN CN2009103060323A patent/CN101691290B/en active Active
Non-Patent Citations (1)
| Title |
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| 鄢飞.PTB乳液特性及其在无机植筋胶中的应用.《福建建筑》.2008,(第3期),表1、表2. * |
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Free format text: FORMER OWNER: JI TAO LV GUANJI Effective date: 20140312 Owner name: FUJIAN TONGLI BUILDING MATERIALS TECHNOLOGY CO., L Free format text: FORMER OWNER: JIANG QIDONG Effective date: 20140312 |
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Effective date of registration: 20140312 Address after: Fuzhou City, Fujian Province, 350000 battalion track road No. 99 seven Garden 8 No. 701 Patentee after: Fujian Tongli Building Materials Science and Technology Co., Ltd. Address before: Yang Xiang, Gulou District of Fuzhou city of Fujian Province, No. 3 401 350000 Patentee before: Jiang Qidong Patentee before: Ji Tao Patentee before: Lv Guanji |