CN100513349C - Special masonry mortar for aerated concrete and construction method thereof - Google Patents
Special masonry mortar for aerated concrete and construction method thereof Download PDFInfo
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- CN100513349C CN100513349C CNB2008100043088A CN200810004308A CN100513349C CN 100513349 C CN100513349 C CN 100513349C CN B2008100043088 A CNB2008100043088 A CN B2008100043088A CN 200810004308 A CN200810004308 A CN 200810004308A CN 100513349 C CN100513349 C CN 100513349C
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- mortar
- aerated concrete
- masonry mortar
- special masonry
- cement
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 100
- 239000004567 concrete Substances 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title abstract description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010881 fly ash Substances 0.000 claims abstract description 31
- 239000004568 cement Substances 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 20
- 239000000292 calcium oxide Substances 0.000 claims abstract description 20
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 16
- 239000010440 gypsum Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 20
- 239000004411 aluminium Substances 0.000 claims description 19
- 239000006071 cream Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 230000000704 physical effect Effects 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 11
- 229920000609 methyl cellulose Polymers 0.000 claims description 11
- 239000001923 methylcellulose Substances 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011449 brick Substances 0.000 description 12
- 239000011575 calcium Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000004884 grey matter Anatomy 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions 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 calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
- C04B2111/00646—Masonry mortars
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a masonry mortar specific to aerated concrete. Each component accounts for weight portions in per 1,000 portion of mortar: 180-250 of cement, 40-62 of gypsum, 120-220 of quick lime, 550-630 of fly ash, 0.07-0.12 of aluminum paste, 0.3-0.5 of retarder. The fly ash ceramisite is blended with the mortar as well. The invention also provides a construction method for masonry mortar specific to the aerated concrete, the steps are that: a. each raw material is measured by the formula; b. then the raw material is stirred by ratio of 1,000 kg of mortar to 515 kg of water; c. 3 to 4.2 percent of the fly ash ceramisite is blended to stir; d. 13 to 15 mm of construction and pulp distribution is made. As the invention has the same heat resistance effect as the aerated concrete, the problem of the heat loss caused by the heat bridge formed by common mortar, which needs to be settled urgently, is resolved.
Description
Technical field
The present invention relates to building field, specifically, the present invention relates to a kind of special masonry mortar for aerated concrete and constructional method thereof
Background technology
Aerating concrete (powder ash air-entrained concrete) is the main flow wall body building material on the present construction market, because of its light weight, volume are big, the characteristic of energy-conserving and environment-protective, becomes current user's first-selection.But what the mortar of building the aerating concrete by laying bricks or stones all generally used is ordinary mortar, and ordinary mortar does not have the heat-insulation and heat-preservation function.The aerating concrete is a kind of good heat preserving and insulating material, and its thermal conductivity is about 0.15w (m*k), but the thermal conductivity of ordinary mortar is more than the 1.2w (m.k).Build the aerating concrete by laying bricks or stones with ordinary mortar, be actually and formed very close heat bridge network.This just greatly reduces the heat insulation and preservation effect of aerating concrete.
Fig. 1 uses the aerating concrete masonry panel of ordinary mortar for prior art and forms the structural representation of heat bridge, the direction of arrow is air themperature among the figure, because aerating concrete 1 has good thermal and insulating performance, therefore, air themperature can enter and influence room temp by the heat bridge 2 that the ordinary mortar slit forms.Test shows, the exterior wall of a stifled 3M * 4M as shown in Figure 2, and the whole length of heat bridge network of wherein building slit formation by laying bricks or stones reach more than the 90M.
In fact, the mortar that prior art acts on the aerating concrete not only thermal conductivity is different from heat preservation mortar for outer wall, particularly level is built the mortar of seam by laying bricks or stones, bear the pressure of aerating concrete deadweight, therefore no matter uses what mortar, as long as allow deadweight one pressure of aerating concrete, stitched with regard to having formed tight sand-cement slurry, this seam has not had the space, has not just had the condition of thermal resistance, in fact also become ordinary mortar, thereby also just become the heat bridge of heat conduction.
At the relative deficiency of prior art, the present invention is proposed.
Summary of the invention
The objective of the invention is deficiency, provide a kind of and have equal hot-resistant heat-preserving effect special masonry mortar for aerated concrete, and the concrete constructional method of this special masonry mortar is provided with the aerating concrete at the prior art existence.
For achieving the above object, the technical scheme that aerating concrete provided by the present invention is built dedicated mortar by laying bricks or stones is: a kind of special masonry mortar for aerated concrete, in per 1000 parts of mortars, the shared weight part of each composition is: cement 180-250, gypsum 40-62, unslaked lime 120-220, flyash 550-630, aluminium powder cream 0.07-0.12, retardant 0.3-0.5.
Further optimal technical scheme provided by the invention is: in per 1000 parts of mortars, the shared weight part of each composition is: cement 200-220, gypsum 45-55, unslaked lime 150-200, flyash 570-610, aluminium powder cream 0.08-0.10, retardant 0.4-0.45.
Further preferred version is: also comprise methylcellulose gum 0.8-1.2 weight parts.
Best-of-breed technology scheme provided by the invention is: in per 1000 parts of mortars, the shared weight part of each composition is: cement 210, gypsum 50, unslaked lime 180, flyash 558.5, aluminium powder cream 0.10, retardant 0.40, methylcellulose gum 1.0.
Provided by the invention another advances-goes on foot optimal technical scheme: also be mixed with lytag in the described mortar.
Wherein, the physicals of described flyash is: 88 tm screen surplus≤15%, proportion≤2.1, density≤640kg/m
3, loss on ignition≤15%.
The physicals of described cement is: label: 425#, aerated density 1000-1300kg/m
3, ultimate compression strength 7d 42.5Mpa, folding strength 28 d6.5Mpa, fineness 88 tm screen surplus≤10%, specific surface area 〉=3000cm2/g, presetting period 〉=45min, final setting time≤10h.
The present invention also provides the constructional method of above-mentioned special masonry mortar for aerated concrete, may further comprise the steps: a. measures various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
C. mixing 3%-4.2% lytag stirs;
D. the cloth of constructing slurry 13-15mm.
The present invention also provides another technical scheme of the constructional method of above-mentioned special masonry mortar for aerated concrete to be: may further comprise the steps:
A. measure various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
C. the cloth of constructing slurry 13-15mm;
D. around cloth slurry surface, evenly sprinkle lytag.
The invention has the beneficial effects as follows: employing of the present invention and the essentially identical material of aerating concrete are made raw material, have and the equal thermal resistance effect of aerating concrete.Retardant used in the present invention delays the presetting period of gypsum, has solved the ordinary mortar that this area needs to be resolved hurrily and has formed the calorific loss problem that heat bridge causes.In addition, in mortar, mix lytag and can solve, thereby make the mortar slit keep 10mm, guarantee the existence of bubble in the mortar, thereby also just have good heat insulating effect owing to aerating concrete self-weight press masonry mortar.
Flyash of the present invention is the powder material of volcano grey matter, it is the dead meal that coal produces through the burning back, but it has higher silicone content, more because flyash has 60-70% fines, so just have very high activity, and fly ash grain is a kind of vesicular structure shape material that bigger internal surface area is arranged, and is very big to the adsorptive power of water.Be particularly suitable for aerating concrete masonry mortar.
Unslaked lime used herein is the main calcareous material of aerating concrete masonry mortar, and its physical action provides the efficient oxidation calcium.Under hydrothermal condition with calcareous material in SiO
2, Al
2O
3Having an effect generates aquation lime carbonate and aquation calcium sulphoaluminate, from but mortar acquisition intensity.Send a large amount of heat during the unslaked lime aquation,, also promoted the certain intensity of the preliminary generation of C-S-H gel not only for slip provides effective thermal source.
Gypsum can quicken the formation speed of hydrate and improve brilliant degree in masonry mortar of the present invention, thereby improves the early strength of mortar, particularly reduces the shrinkage value of mortar.
Cement and flyash not only promote the sclerosis of mortar in the mortar whipping process, and the SiO in CaO and the flyash is provided
2React, quicken generation speed.
Aluminium powder cream is to be sprayed into fine particle with pressurized air after the aluminium ingot fusion, and these fine particles and an amount of oxidation inhibitor are finely ground to silvery white aluminium powder cream in grinding machine.
The Ca that aluminium powder cream is separated out with unslaked lime in masonry mortar (OH)
2The releasing hydrogen gas that reacts forms bubble, makes masonry mortar produce vesicular structure, increases the hot-resistant heat-preserving effect.
Lytag be the spheroidal particle made from flyash after produce after the high-temperature roasting have very high-intensity a kind of aglite, in modulation aerating concrete mortar, can mix this particle, also can in construction, on the slurry face of completing, sprinkle this particle.Because the particle diameter of lytag is 10mm, cloth 13-15mm during workmen's cloth slurry, after the deadweight of aerating concrete forces up, be distributed in the deadweight that the haydite in the mortar has born the aerating concrete, starch a little more than particle diameter because of cloth simultaneously, make mortar full comprehensive the contact arranged, guaranteed the construction quality of mortar with aerating concrete plane of action.
Description of drawings
Fig. 1 is a prior art aerating concrete masonry construction synoptic diagram;
Fig. 2 is the synoptic diagram that prior art aerating concrete masonry construction forms the heat bridge network;
Fig. 3 builds the structural representation of dedicated mortar by laying bricks or stones for using aerating concrete of the present invention;
Fig. 4 is the I portion structure for amplifying synoptic diagram among Fig. 3;
Fig. 5 builds the construction synoptic diagram of dedicated mortar by laying bricks or stones for adopting aerating concrete of the present invention;
Fig. 6 is for adopting the shaping schematic view after aerating concrete of the present invention is built the dedicated mortar construction by laying bricks or stones.
Below the specific embodiment of the present invention is described in detail.
Embodiment
Embodiment 1:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: in per 1000 parts of mortars, the shared weight part of each composition is: cement 210, gypsum 50, unslaked lime 180, flyash 558.5, aluminium powder cream 0.10, retardant 0.40, methylcellulose gum 1.0.
Wherein, the requirement of the physicals of flyash is: 88 tm screen surplus≤15%, proportion≤2.1, density≤640kg/m
3, loss on ignition≤15%.The physicals of cement requires: label: 425#, aerated density 1000-1300kg/m
3, ultimate compression strength 7d 42.5Mpa, folding strength 28d6.5Mpa, fineness 88 tm screen surplus≤10%, specific surface area 〉=3000cm2/g, presetting period 〉=45min, final setting time≤10h.
With reference to Fig. 5, Fig. 6, present embodiment provides the constructional method of above-mentioned special masonry mortar for aerated concrete, may further comprise the steps:
A. measure various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
C. the lytag that mixes 3% diameter 10mm stirs;
D. the cloth of constructing slurry, the thickness of mortar 4 is 13mm, shown in Fig. 5.
The aerating concrete can will be built by laying bricks or stones after finishing above-mentioned steps, be distributed in the deadweight that the lytag 3 in the mortar has born aerating concrete 1, the slit between the back aerating concrete 1 is built in assurance by laying bricks or stones, simultaneously because mortar 4 a little more than lytag 3 diameters, makes mortar with aerating concrete plane of action full comprehensive contact the (shown in Fig. 6) arranged.
Shown in Fig. 3,4, the Ca that aluminium powder cream is separated out with unslaked lime in masonry mortar (OH)
2The releasing hydrogen gas that reacts forms bubble 5, makes masonry mortar produce vesicular structure, increases the hot-resistant heat-preserving effect.
Embodiment 2:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 180, gypsum 50, unslaked lime 138.6, flyash 630, aluminium powder cream 0.07, retardant 0.33, methylcellulose gum 1.0 weight parts.
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
With reference to Fig. 5, Fig. 6, present embodiment provides another technical scheme of the constructional method of above-mentioned special masonry mortar for aerated concrete to be: may further comprise the steps:
A. measure various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
D. the cloth of constructing slurry, the thickness of mortar 4 is 14mm, shown in Fig. 5:
D. around mortar 4 surfaces, evenly sprinkle lytag.
The aerating concrete can will be built by laying bricks or stones after finishing above-mentioned steps, be distributed in the deadweight that the lytag 3 in the mortar has born aerating concrete 1, the slit between the back aerating concrete 1 is built in assurance by laying bricks or stones, simultaneously because mortar 4 a little more than lytag 3 diameters, makes mortar with aerating concrete plane of action full comprehensive contact the (shown in Fig. 6) arranged.
Shown in Fig. 3,4, the Ca that aluminium powder cream is separated out with unslaked lime in masonry mortar (OH)
2The releasing hydrogen gas that reacts forms bubble 5, makes masonry mortar produce vesicular structure, increases the hot-resistant heat-preserving effect.
Embodiment 3:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 250, gypsum 62, unslaked lime 136.18, flyash 550, aluminium powder cream 0.12, retardant 0.5, methylcellulose gum 1.2 weight parts.
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
The constructional method of special masonry mortar for aerated concrete can adopt a kind of among embodiment 1 or the embodiment 2.
Embodiment 4:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 200, gypsum 50, unslaked lime 148.5, flyash 600, aluminium powder cream 0.10, retardant 0.40, methylcellulose gum 1.0 weight parts
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
The constructional method of special masonry mortar for aerated concrete can adopt a kind of among embodiment 1 or the embodiment 2.
Embodiment 5:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 200, gypsum 45, unslaked lime 150, flyash 603.72, aluminium powder cream 0.08, retardant 0.4, methylcellulose gum 0.8.
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
The constructional method of special masonry mortar for aerated concrete can adopt a kind of among embodiment 1 or the embodiment 2.
Embodiment 6:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 220, gypsum 55, unslaked lime 153.25, flyash 570, aluminium powder cream 0.10, retardant 0.45, methylcellulose gum 1.2.
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
The constructional method of special masonry mortar for aerated concrete can adopt a kind of among embodiment 1 or the embodiment 2.
Embodiment 7:
In per 1000 parts of special masonry mortar for aerated concrete, the shared weight part of each composition is: cement 210, gypsum 50, unslaked lime 158.5, flyash 580, aluminium powder cream 0.10, retardant 0.4, methylcellulose gum 1.0.
Wherein, flyash requires identical with embodiment 1 with the physicals of cement.
The constructional method of special masonry mortar for aerated concrete can adopt a kind of among embodiment 1 or the embodiment 2.
The present invention also can have other variation; as well known to the skilled person; the foregoing description only plays the exemplary role in the foregoing invention protection domain; for those of ordinary skills; also have a lot of conventional distortion and other embodiment in the protection domain that the present invention limited, these distortion and embodiment will be within the protection domains that the present invention is awaited the reply.
Claims (9)
1, a kind of special masonry mortar for aerated concrete, it is characterized in that, in per 1000 parts of mortars, the shared weight part of each composition is: cement 180-250, gypsum 40-62, unslaked lime 120-220, flyash 550-630, aluminium powder cream 0.07-0.12, retardant 0.3-0.5.
2, special masonry mortar for aerated concrete according to claim 1, it is characterized in that, in per 1000 parts of mortars, the shared weight part of each composition is: cement 200-220, gypsum 45-55, unslaked lime 150-200, flyash 570-610, aluminium powder cream 0.08-0.10, retardant 0.4-0.45.
3, special masonry mortar for aerated concrete according to claim 2 is characterized in that, also comprises methylcellulose gum 0.8-1.2 weight parts.
4, special masonry mortar for aerated concrete according to claim 3, it is characterized in that, in per 1000 parts of mortars, the shared weight part of each composition is: cement 210, gypsum 50, unslaked lime 180, flyash 558.5, aluminium powder cream 0.10, retardant 0.40, methylcellulose gum 1.0.
5, special masonry mortar for aerated concrete according to claim 4 is characterized in that, also is mixed with lytag in the described mortar.
6, special masonry mortar for aerated concrete according to claim 1 is characterized in that, the physicals of described flyash is: 88 tm screen surplus≤15%, proportion≤2.1, density≤640kg/m
3, loss on ignition≤15%.
7, special masonry mortar for aerated concrete according to claim 1 is characterized in that, the physicals of described cement is: label: 425#, aerated density 1000-1300kg/m
3, ultimate compression strength 7d 42.5Mpa, folding strength 28d 6.5Mpa, fineness 88 tm screen surplus≤10%, specific surface area 〉=3000cm2/g, presetting period 〉=45min, final setting time≤10h.
8, the constructional method of special masonry mortar for aerated concrete according to claim 1 is characterized in that, may further comprise the steps:
A. measure various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
C. mixing 3%-4.2% lytag stirs;
D. the cloth of constructing slurry 13-15mm.
9, the constructional method of special masonry mortar for aerated concrete according to claim 1 is characterized in that, may further comprise the steps:
A. measure various raw materials by prescription;
B. stir in 1000 kilograms of mortars, 515 kg water ratios;
C. the cloth of constructing slurry 13-15mm;
D. around cloth slurry surface, evenly sprinkle lytag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100043088A CN100513349C (en) | 2008-01-21 | 2008-01-21 | Special masonry mortar for aerated concrete and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100043088A CN100513349C (en) | 2008-01-21 | 2008-01-21 | Special masonry mortar for aerated concrete and construction method thereof |
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| Publication Number | Publication Date |
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| CN101224971A CN101224971A (en) | 2008-07-23 |
| CN100513349C true CN100513349C (en) | 2009-07-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768009A (en) * | 2009-12-29 | 2010-07-07 | 巢启 | Foaming and intumescing building curing agent |
| KR101432750B1 (en) * | 2011-08-09 | 2014-08-21 | 서승석 | Mortar or concrete composition using fly ash and use thereof |
| CN103951314B (en) * | 2014-04-23 | 2016-05-18 | 温县飞天塑料制品厂 | A kind of fly ash aerated by aluminium powder cream and preparation method |
| CN105837120A (en) * | 2016-04-14 | 2016-08-10 | 广西横县恒丰建材有限责任公司 | Aerated concrete block masonry mortar and production method thereof |
| CN109824291A (en) * | 2019-04-03 | 2019-05-31 | 贵阳宏基建材有限公司 | A kind of dry-mixed mortar production method of addition recycling coal ash |
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| CN101224971A (en) | 2008-07-23 |
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