CN103693930A - Glass bead aggregate-doped low-strength mortar and preparation method thereof - Google Patents
Glass bead aggregate-doped low-strength mortar and preparation method thereof Download PDFInfo
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- CN103693930A CN103693930A CN201310728065.3A CN201310728065A CN103693930A CN 103693930 A CN103693930 A CN 103693930A CN 201310728065 A CN201310728065 A CN 201310728065A CN 103693930 A CN103693930 A CN 103693930A
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Abstract
The invention discloses glass bead aggregate-doped low-strength mortar and a preparation method thereof, and belongs to the field of building materials. The glass bead aggregate-doped low-strength mortar is prepared by mixing glass beads, fine sand, cement, lime putty and water according to a certain ratio; the weight ratio of the cement to the mixed aggregate to the lime putty to the water is 1: (8-12): (0.8-1.3): (1.2-1.5); the mixed aggregate is the glass beads and the natural fine sand; the mass ratio of the glass beads is 70-85%. The cement is ordinary portland cement; the glass beads adopt regenerative glass beads with broken glass as raw materials, have good pressure resistance and durability, and have the diameters of 3.5-5 mm; the fine sand is natural sand; the biggest particle size of the fine sand passes through 1.5 mm of screen holes; the lime putty is limestone curing after-products; the mixed aggregate is a mixture of the glass beads and the natural fine sand, wherein the mass ratio of the glass beads is preferably 70-85%. The glass bead aggregate-doped low-strength mortar has the advantages of low production cost, environment-friendly and easily-obtained materials and low energy consumption; the method is easy to operate.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of for the Seismic Isolation of Isolation Layer mortar of building by laying bricks or stones between the architectural bilge construction in villages and small towns and basis and preparation method thereof.
Background technology
As a kind of civil construction material, mortar is widely used in construction work.Its main raw material is cement, sand, water and other admixture.Conventionally be all as building by laying bricks or stones, plaster or decoration mortar.
The principle of base isolation is to set up between basis and superstructure the supporting member that horizontal rigidity is very little; extended the natural period of vibration of superstructure; away from the predominant period of earthquake action; thereby reduce the impact of earthquake action on superstructure; alleviate earthquake calamity, protection people's safety of life and property.Although base isolation has obtained application in Highrise buildings, and also developed various structure formation, high because of its cost, construction is complicated, is not suitable for promoting in the low rise buildings of villages and small towns.And it is the most serious when in reality, earthquake is for the infringement of villages and small towns buildings.
Therefore, economic, applicable, the cheap shock insulation form of research and development has very important practice significance and social economic value.
Summary of the invention:
The object of the invention is to seek a kind of intensity is lower, shear behavior is good, workability is good mortar as a kind of base isolation layer, be applicable to, in the building of villages and small towns, to solve villages and small towns building aseismicity poor performance, destroy serious problem.The sliding properties that granulated glass sphere itself has can consume the earthquake action that is delivered to structure well, alleviates the earthquake action of superstructure, coordinates certain stop means can reach good shock insulation mitigation effect.
For achieving the above object, technical scheme of the present invention is: a kind of low strength mortar of mixing granulated glass sphere aggregate, it is characterized in that, by combined aggregate, cement, lime putty and water, with certain proportion, mixed together, its weight ratio is cement: combined aggregate: lime putty: water=1: (8～12): (0.8～1.3): (1.2～1.5), combined aggregate is granulated glass sphere and natural fine sand, and wherein the shared mass ratio of granulated glass sphere is 70%～85%.
Described granulated glass sphere adopts take the renewable granulated glass sphere that glass cullet etc. form for Raw material processing, and granulated glass sphere diameter is 3.5～5mm, has starting material to be easy to get, recyclable recycling, the advantage of environmental protection, economy; In addition, granulated glass sphere itself has good rolling effect, and earthquake energy well in the rolling slip process of granulated glass sphere after granulated glass sphere mortar destroys reaches the design effect of energy dissipating mitigation.
Described fine sand adopts natural river sand, and material has widely distributed, the feature of conveniently selecting.Fine sand maximum particle diameter is by 2.5mm sieve aperture.
Described cement is ordinary Portland cement, and strength grade is 42.5R.
Described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2.Slaking lime putty has the mortar workability of increasing and water-retentivity, but mortar strength is not caused to remarkably influenced.Lime putty also available volcanic ash, industrial slag powder etc. substitutes.
Above-mentioned a kind of preparation method who mixes the low strength mortar of granulated glass sphere aggregate, is characterized in that it comprises the steps:
1) in each raw materials quality ratio: cement: combined aggregate: lime putty: water=1: (8～12): (0.8～1.3): (1.2～1.5), in combined aggregate, granulated glass sphere mass percent is 70%～85%, the materials of the described mortar of purchasing;
2) adopt one of following method to prepare mortar: 1. combined aggregate, cement, lime putty to be added to water and stir, must mix the low strength mortar of granulated glass sphere aggregate; Or after 2. combined aggregate, cement, lime putty fully being stirred evenly, add again water and stir to such an extent that mix the low strength mortar of granulated glass sphere aggregate.
The effect that fine sand and granulated glass sphere play in mortar, aggregate is filled; Lime putty also has certain hydraulicity, has cementation, replaces certain cement, saves cement consumption, reduces the delamination degree of mortar simultaneously and improves its water-retentivity.
Compare with existing goods mortar, the present invention has following benefit fruit:
1, with granulated glass sphere for mainly mixing aggregate, realized the recycling to discarded glass, realized the repetition sustainable use of resource, be also a kind of saving and protection to existing resource.
2, usining the present invention, as a kind of isolated component, to have isolating affection remarkable, and construction is simple, and the advantage that economic cost is little is particularly useful for promoting in the building of villages and small towns.
Experiment shows, use is mixed the low strength mortar of granulated glass sphere aggregate as the house of base isolation layer, under earthquake action, the acceleration response of superstructure reduces 40%-60% than the acceleration response in common house, and the decay of the frequency of Isolating Building is much slow more than the frequency decay under common house earthquake action, and frequency decay is faster, structural seismic capacity is more weak, and structural impairment is more serious.As can be seen here, using the present invention remarkable as a kind of isolated component isolating affection;
3, raw material sources are extensive, and low cost product is convenient to marketing.
4, simple, the easy handling of the method technique.
Embodiment
For understanding better the present invention, below in conjunction with some embodiment, further explain content of the present invention.
Embodiment 1:
The low strength mortar and the preparation method that mix granulated glass sphere aggregate, it comprises the steps:
1) in each raw materials quality ratio cement: combined aggregate: lime putty: water=1: 8: 0.8: 1.2, in combined aggregate, granulated glass sphere mass ratio is 70%, obtaining each raw material percentage ratio is: cement 9.1%, sand 21.8%, granulated glass sphere 50.9%, lime putty 7.3%, water 10.9%, take and get cement, fine sand, granulated glass sphere, lime putty, water;
Described fine sand adopts natural river sand.Fine sand maximum particle diameter is by 2.5mm sieve aperture, and fine sand technical characteristic should meet relevant art rules; It is clean that sand keeps, and by taking a sample to check in batches, can use after qualified;
Described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2, answer after slaking and should after old volt fortnight, use.
2) after each dry aggregate is stirred, then add the low strength mortar that water stirring obtains mixing granulated glass sphere aggregate.
Embodiment 2:
A preparation method who mixes the low strength mortar of granulated glass sphere aggregate, it comprises the steps:
1) in each raw materials quality ratio cement: combined aggregate: lime putty: water=1: 12: 1.3: 1.5, in combined aggregate, granulated glass sphere mass ratio is 85%, obtaining each raw material percentage ratio is: cement 6.3%, sand 11.4%, granulated glass sphere 64.6%, lime putty 8.2%, water 9.5%, take and get cement, fine sand, granulated glass sphere, lime putty, water;
Described fine sand adopts natural river sand.Fine sand maximum particle diameter is by 2.5mm sieve aperture, and fine sand technical characteristic should meet relevant art rules; It is clean that sand keeps, and by taking a sample to check in batches, can use after qualified;
Described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2, answer after slaking and should after old volt fortnight, use.
2) adding water after combined aggregate, cement, lime putty are fully stirred evenly stirs to such an extent that mix the low strength mortar of granulated glass sphere aggregate again.
Embodiment 3:
A preparation method who mixes the low strength mortar of granulated glass sphere aggregate, it comprises the steps:
1) in each raw materials quality ratio cement: combined aggregate: lime putty: water=1: 9: 0.9: 1.4, in combined aggregate, granulated glass sphere mass ratio is 80%, obtaining each raw material percentage ratio is: cement 8.1%, sand 14.7%, granulated glass sphere 58.5%, lime putty 7.3%, water 11.4%, take and get cement, fine sand, granulated glass sphere, lime putty, water;
Described fine sand adopts natural river sand.Fine sand maximum particle diameter is by 2.5mm sieve aperture, and fine sand technical characteristic should meet relevant art rules; It is clean that sand keeps, and by taking a sample to check in batches, can use after qualified;
Described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2, answer after slaking and should after old volt fortnight, use.
2) after each dry aggregate is stirred, then add the low strength mortar that water stirring obtains mixing granulated glass sphere aggregate.
Embodiment 4:
A preparation method who mixes the low strength mortar of granulated glass sphere aggregate, it comprises the steps:
1) in each raw materials quality ratio cement: combined aggregate: lime putty: water=1: 10: 0.9: 1.3, in combined aggregate, granulated glass sphere mass ratio is 78%, obtaining each raw material percentage ratio is: cement 7.6%, sand 16.7%, granulated glass sphere 59.1%, lime putty 6.8%, water 9.8%, take and get cement, fine sand, granulated glass sphere, lime putty, water;
Described fine sand adopts natural river sand.Fine sand maximum particle diameter is by 2.5mm sieve aperture, and fine sand technical characteristic should meet relevant art rules; It is clean that sand keeps, and by taking a sample to check in batches, can use after qualified;
Described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2, answer after slaking and should after old volt fortnight, use.
2) after each dry aggregate is stirred, then add the low strength mortar that water stirring obtains mixing granulated glass sphere aggregate.
Use the above-mentioned low strength mortar of granulated glass sphere aggregate of mixing as the house of base isolation layer, under shock effect, the acceleration response of superstructure reduces 40%-60% than the acceleration response in common house, and the decay of the frequency of Isolating Building is much slow more than the frequency decay under common house earthquake action, and frequency decay is faster, structural seismic capacity is more weak, and structural impairment is more serious.Be more than exemplary embodiments more of the present invention, enforcement of the present invention is not limited to this.Each cited raw material of the present invention all can be realized the present invention, and the bound value of each raw material, interval value can realize the present invention, at this, does not enumerate embodiment.
Claims (7)
1. a low strength mortar of mixing granulated glass sphere aggregate, it is characterized in that, by combined aggregate, cement, lime putty and water, with certain proportion, mixed together, its weight ratio is cement: combined aggregate: lime putty: water=1: (8～12): (0.8～1.3): (1.2～1.5);
Combined aggregate is granulated glass sphere and natural fine sand, and wherein the shared mass ratio of granulated glass sphere is 70%～85%.
2. a kind of low strength mortar of mixing granulated glass sphere aggregate according to claim 1, is characterized in that: described granulated glass sphere adopts take the renewable granulated glass sphere that glass cullet etc. form as Raw material processing, and granulated glass sphere diameter is 3.5～5mm.
3. a kind of low strength mortar of mixing granulated glass sphere aggregate according to claim 1, is characterized in that: described fine sand is natural river sand, and fine sand maximum particle diameter is by 2.5mm sieve aperture.
4. a kind of low strength mortar of mixing granulated glass sphere aggregate according to claim 1, is characterized in that: described cement is ordinary Portland cement, and strength grade is 42.5R.
5. a kind of low strength mortar of mixing granulated glass sphere aggregate according to claim 1, is characterized in that: described lime putty is paste product after unslaked lime (CaO) slaking, and effective constituent is Ca (OH)
2.
6. a kind of preparation method who mixes the low strength mortar of granulated glass sphere aggregate according to claim 1, is characterized in that comprising the steps:
1) in each raw materials quality ratio cement: combined aggregate: lime putty: water=1: 8～12: 0.8～1.3: 1.2～1.5, in combined aggregate, granulated glass sphere mass percent is 70%～85%, the materials of the described mortar of purchasing;
2) adopt one of following method to prepare mortar: 1. combined aggregate, cement, lime putty to be added to water and stir, must mix the low strength mortar of granulated glass sphere aggregate; Or after 2. combined aggregate, cement, lime putty fully being stirred evenly, add again water and stir to such an extent that mix the low strength mortar of granulated glass sphere aggregate.
7. the Seismic Isolation of Isolation Layer mortar of the low strength mortar of mixing granulated glass sphere aggregate claimed in claim 1 for building by laying bricks or stones between the architectural bilge construction in villages and small towns and basis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728065.3A CN103693930A (en) | 2013-12-25 | 2013-12-25 | Glass bead aggregate-doped low-strength mortar and preparation method thereof |
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| CN201310728065.3A CN103693930A (en) | 2013-12-25 | 2013-12-25 | Glass bead aggregate-doped low-strength mortar and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100903342B1 (en) * | 2007-12-21 | 2009-06-18 | 김용배 | Wet gypsum based loess concrete floor underlayments and mrthods thereof |
| CN102140026A (en) * | 2010-10-22 | 2011-08-03 | 中国建筑科学研究院 | Self-levelling material and preparation method thereof |
| CN102518230A (en) * | 2011-12-26 | 2012-06-27 | 北京工业大学 | Earthquake isolating house with glass bead-fine sand-cementing material compound layer and building method for earthquake isolating house |
| CN102518231A (en) * | 2011-12-26 | 2012-06-27 | 北京工业大学 | Base isolation house of antirust sheet groove built-in glass balls and fine sand and method thereof |
| CN202627617U (en) * | 2011-12-26 | 2012-12-26 | 北京工业大学 | Shock insulation house with glass bead-fine sand-gelling material compound layer |
-
2013
- 2013-12-25 CN CN201310728065.3A patent/CN103693930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100903342B1 (en) * | 2007-12-21 | 2009-06-18 | 김용배 | Wet gypsum based loess concrete floor underlayments and mrthods thereof |
| CN102140026A (en) * | 2010-10-22 | 2011-08-03 | 中国建筑科学研究院 | Self-levelling material and preparation method thereof |
| CN102518230A (en) * | 2011-12-26 | 2012-06-27 | 北京工业大学 | Earthquake isolating house with glass bead-fine sand-cementing material compound layer and building method for earthquake isolating house |
| CN102518231A (en) * | 2011-12-26 | 2012-06-27 | 北京工业大学 | Base isolation house of antirust sheet groove built-in glass balls and fine sand and method thereof |
| CN202627617U (en) * | 2011-12-26 | 2012-12-26 | 北京工业大学 | Shock insulation house with glass bead-fine sand-gelling material compound layer |
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Application publication date: 20140402 |
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