CN111187051A - Autoclaved aerated concrete block brick utilizing construction waste - Google Patents
Autoclaved aerated concrete block brick utilizing construction waste Download PDFInfo
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- CN111187051A CN111187051A CN202010044839.0A CN202010044839A CN111187051A CN 111187051 A CN111187051 A CN 111187051A CN 202010044839 A CN202010044839 A CN 202010044839A CN 111187051 A CN111187051 A CN 111187051A
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- aerated concrete
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- autoclaved aerated
- block brick
- concrete block
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
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- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention relates to the technical field of building materials, and relates to an autoclaved aerated concrete building block brick utilizing building waste, which comprises the following components in parts by weight: 70-80 parts of water; 90-100 parts of river sand; 25-30 parts of Portland cement; 15-20 parts of lime; 3-5 parts of gypsum; 120 portions of construction waste powder and 130 portions of construction waste powder, wherein the particle size of the construction waste powder is 0.3-0.5 mm; 1-2 parts of cobalt porphyrin; 0.5-1 part of hexabenzocoronene; 0.3-0.5 part of 2-hydroxy-5-methoxyacetophenone. The invention has the effect of enhancing the compressive strength and the breaking strength of the autoclaved aerated concrete block brick.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an autoclaved aerated concrete building block brick utilizing building waste.
Background
At present, as the autoclaved aerated concrete block has very good construction characteristics, various specifications can be produced in a factory, sawing, planing, drilling and nailing can be carried out like wood, and as the volume is large and the construction speed is fast, the autoclaved aerated concrete block is widely applied to the building industry.
The existing autoclaved aerated concrete block is a porous concrete product prepared by using fly ash, lime, portland cement, gypsum, slag and the like as main raw materials, adding a proper amount of a gas former, a regulator and a bubble stabilizer, and carrying out technical processes of burdening, stirring, pouring, standing, cutting, high-pressure steam curing and the like.
The above prior art solutions have the following drawbacks: as the autoclaved aerated concrete block brick is made of the porous material, the porous structure in the autoclaved aerated concrete block brick easily influences the compressive strength and the flexural strength of the autoclaved aerated concrete block, so that the autoclaved aerated concrete block is easy to crack, and an improved space is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an autoclaved aerated concrete block brick utilizing building waste.
The invention also aims to provide a preparation method of the autoclaved aerated concrete block brick by utilizing the building waste.
The above object of the present invention is achieved by the following technical solutions:
an autoclaved aerated concrete block brick utilizing construction waste comprises the following components in parts by weight:
70-80 parts of water;
90-100 parts of river sand;
25-30 parts of Portland cement;
15-20 parts of lime;
3-5 parts of gypsum;
0.3-0.5 part of aluminum powder;
120 portions of construction waste powder and 130 portions of construction waste powder, wherein the particle size of the construction waste powder is 0.3-0.5 mm;
1-2 parts of cobalt porphyrin;
0.5-1 part of hexabenzocoronene;
0.3-0.5 part of 2-hydroxy-5-methoxyacetophenone.
By adopting the technical scheme, the construction waste powder formed by crushing the construction waste is added into the autoclaved aerated concrete block brick, and the particle size of the construction waste powder is controlled, so that the construction waste powder is favorable for better filling the pores in the autoclaved aerated concrete block brick, the compactness of the autoclaved aerated concrete block brick is favorably improved, and the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are less susceptible; meanwhile, the method is beneficial to recycling of waste building materials, improving the utilization rate of resources and better saving energy and protecting environment.
By adding the cobalt porphyrin, the hexabenzocoronene and the 2-hydroxy-5-methoxyacetophenone to be matched with each other in a synergistic manner, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are favorably and better improved, so that the autoclaved aerated concrete block brick is less prone to cracking, and the autoclaved aerated concrete block brick is better suitable for practical production and application.
By adding the aluminum powder, the aluminum powder is easy to react with alkali and emit heat, so that the hardening of the autoclaved aerated concrete block brick blank is facilitated, and the better molding of the autoclaved aerated concrete block brick blank is facilitated; meanwhile, the aluminum powder reacts with alkali to generate hydrogen, so that small bubbles are easily formed in the autoclaved aerated concrete block brick, micropores are formed in the autoclaved aerated concrete block brick, the compressive strength and the bending strength of the autoclaved aerated concrete block brick are improved, the micropore structure of the autoclaved aerated concrete block brick is not easily damaged, and the original performance of the autoclaved aerated concrete block brick is not easily influenced.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
0.5-1 part of S-thiobenzoyl thioglycollic acid.
By adopting the technical scheme, the S-thiobenzoyl thioglycollic acid is added, so that the synergistic cooperation of cobalt porphyrin, hexabenzocoronene and 2-hydroxy-5-methoxyacetophenone is favorably promoted, the compressive strength and the breaking strength of the autoclaved aerated concrete block brick are favorably and better enhanced, and the autoclaved aerated concrete block brick is less prone to cracking in the using process.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
1-2 parts of 1, 2-cyclohexanedione dioxime.
By adopting the technical scheme, 1, 2-cyclohexanedione dioxime is added, so that the mutual cooperative matching of cobalt porphyrin, hexabenzocoronene and 2-hydroxy-5-methoxyacetophenone is favorably promoted, the compressive strength and the breaking strength of the autoclaved aerated concrete block brick are favorably improved, the autoclaved aerated concrete block brick is less prone to cracking in the using process, the service life of the autoclaved aerated concrete block brick is favorably prolonged, and the safety of a building formed by stacking the autoclaved aerated concrete block bricks is higher.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
0.3-0.5 part of 3-phosphoglyceric acid.
By adopting the technical scheme, 3-phosphoglyceric acid and 1, 2-cyclohexanedione dioxime are added to be matched with each other in a synergistic manner, so that the promotion effect of the 1, 2-cyclohexanedione dioxime is promoted better, the mutual cooperative matching of cobalt porphyrin, hexabenzocoronene and 2-hydroxy-5-methoxyacetophenone is promoted better, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are higher, the autoclaved aerated concrete block brick is less prone to cracking, and the service life of the autoclaved aerated concrete block brick is prolonged better.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
1-3 parts of semen sesami.
Through adopting above-mentioned technical scheme, through adding the benne, be favorable to filling better and evaporate the hole of evaporating and press aerated concrete building block brick for evaporate the density of pressing aerated concrete building block brick higher, thereby be favorable to improving better and evaporate compressive strength and the rupture strength who presses aerated concrete building block brick, make and evaporate the crack of pressing aerated concrete building block brick more difficult to, and then be favorable to prolonging better and evaporate the life who presses aerated concrete building block brick.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
1-2 parts of platycladi seed.
Through adopting above-mentioned technical scheme, cooperate mutually through adding the arborvitae seed and benne, be favorable to arborvitae seed and benne to fill the hole of evaporating and pressing aerated concrete building block brick better to be favorable to improving the density that evaporates and press aerated concrete building block brick better, make aerated concrete building block brick's compressive strength and rupture strength higher, and then be favorable to prolonging the life who evaporates and presses aerated concrete building block brick better.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
0.1-0.2 part of walnut shell powder.
By adopting the technical scheme, the walnut shell powder is added, so that the compressive strength and the breaking strength of the autoclaved aerated concrete block brick can be better improved, the autoclaved aerated concrete block brick is not easy to crack under pressure, the service life of the autoclaved aerated concrete block brick can be better prolonged, and the safety of a building formed by stacking the autoclaved aerated concrete block bricks is higher.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
0.5-1 part of hollow glass beads.
By adopting the technical scheme, the hollow glass beads are added, so that the quality of the autoclaved aerated concrete block brick is favorably reduced, and the hollow glass beads have extremely high strength, so that the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are favorably improved, and the autoclaved aerated concrete block brick is less prone to cracking under pressure.
The second aim of the invention is realized by the following technical scheme:
a preparation method of an autoclaved aerated concrete block brick by using construction waste comprises the following steps:
s1, adding river sand, construction waste powder and water into the reaction vessel according to the mass part ratio, and uniformly stirring to form slurry;
s2, adding the rest components of the autoclaved aerated concrete building block brick into the slurry, and reacting for 2-3min to obtain concrete slurry;
s3, stirring for 3-5min, pouring concrete slurry into a mold, and standing for 10-12 h;
s4, detaching the mould, and cutting the concrete slurry formed by standing into the required size to form an autoclaved aerated concrete block brick blank;
and S5, adding the autoclaved aerated concrete block brick blank into an autoclave for autoclaving, curing and forming to obtain the autoclaved aerated concrete block brick.
By adopting the technical scheme, the components can be better and uniformly mixed by controlling the adding sequence of the components, so that the components can be better and cooperatively matched, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick can be better improved, and the service life of the autoclaved aerated concrete block brick is longer.
In summary, the invention includes at least one of the following beneficial technical effects:
1. building waste powder formed by crushing building waste is added into the autoclaved aerated concrete block brick, and the particle size of the building waste powder is controlled at the same time, so that the compactness of the autoclaved aerated concrete block brick is favorably improved, and the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are less susceptible;
2. building waste powder formed by crushing building waste is added into the autoclaved aerated concrete building block brick, so that the recycling of waste building materials is facilitated, the utilization rate of resources is improved, and better energy conservation and environmental protection are facilitated;
3. by adding the cobalt porphyrin, the hexabenzocoronene and the 2-hydroxy-5-methoxyacetophenone to be matched with each other in a synergistic manner, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are favorably improved, the autoclaved aerated concrete block brick is less prone to cracking, and the autoclaved aerated concrete block brick is better suitable for practical production and application.
Drawings
FIG. 1 is a process flow diagram of a method for preparing an autoclaved aerated concrete block brick by using construction waste in the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the following examples, the river sand used was a river sand having a particle size of 2.8mm to 3.2mm, manufactured by Hebei Shimao building materials Co.
In the following examples, the portland cement used is p.w32.5 portland cement available from kahwa hao building materials ltd.
In the following examples, lime of "lingshou county zeda mineral processing limited" was used.
In the following examples, gypsum obtained from the novel building materials works of Hutai Longxin, Pingyi county, Baotai, Tokyo, Japan was used as the gypsum.
In the following examples, aluminum powder having a particle size of 200 mesh, 093 by Shandong Stellite Metal materials Co., Ltd, was used as the aluminum powder.
In the following examples, porphyrin cobalt of Zhengzhou alpha chemical Co., Ltd.; product No. 28903-71-1 was used.
In the following examples, hexabenzocoronene, available from Shanghai-derived leaf Biotech Co., Ltd., having the product number S30445, was used.
In the following examples, 2-hydroxy-5-methoxyacetophenone from Darwinian cat Wai biomedical Co., Ltd was used as the 2-hydroxy-5-methoxyacetophenone.
In the following examples, S-thiobenzoylmercaptoacetic acid of MOL-OEBPX-789210, available from shoerfu chemical trade company, Zhejiang, was used.
In the following examples, 1, 2-cyclohexanedione dioxime was 1, 2-cyclohexanedione dioxime having a product number of 492-99-9 from Asahi Hibischoid Co., Ltd.
In the following examples, 3-phosphoglycerate JJJL-P647 from golden Caragana chemical Co., Ltd was used.
In the following examples, sesame seeds of Shanghai commercial Co., Ltd, Anhui province were used.
In the following examples, arborvitae seed, available from Wenshang county Runkang pharmaceutical industry Co., Ltd, was used.
In the following examples, walnut shell powder having a KX-HT specification from Hebei Tengchuan mineral products trade Co.
In the following examples, hollow glass beads having a particle size of 15 to 20 μm, manufactured by Hai-Yu glass beads Ltd, Yongqing, were used as the hollow glass beads.
Example 1
A preparation method of an autoclaved aerated concrete block brick by using construction waste comprises the following steps:
s1, adding 100kg of river sand and 125kg of construction waste powder into a 400L stirring kettle, stirring at the rotating speed of 200r/min, stirring uniformly, adding 70kg of water while stirring, and stirring uniformly to form slurry.
S2, adding 30kg of portland cement, 15kg of lime, 5kg of gypsum, 0.3kg of aluminum powder, 1kg of cobalt porphyrin, 0.5kg of hexabenzocoronene and 0.3kg of 2-hydroxy-5-methoxyacetophenone into the slurry while stirring, and reacting for 2min to obtain concrete slurry.
And S3, stirring for 3min, pouring the concrete slurry into a mold, and sending the mold into a static curing room for standing for foaming and static curing, wherein the static curing temperature is controlled to be 60 ℃, and the static curing time is 10 hours.
And S4, detaching the mould, and putting the concrete slurry formed by standing into a cutting machine to be cut into required specification and size to form an autoclaved aerated concrete block brick blank.
And S5, placing the autoclaved aerated concrete block brick blank into an autoclave for autoclave curing and forming, controlling the autoclave curing temperature to be 170 ℃ and the autoclave curing time to be 7h, and obtaining the autoclaved aerated concrete block brick.
Example 2
The difference from example 1 is that:
the amounts of the components added in step S1 and step S2 were as follows:
90kg of river sand; 130kg of construction waste powder; 75kg of water; 27.5kg of Portland cement; 17.5kg of lime; 4kg of gypsum; 0.4kg of aluminum powder; 1.5kg of cobalt porphyrin; 0.75kg of hexabenzocoronene; 0.4kg of 2-hydroxy-5-methoxyacetophenone.
In step S2, the reaction time was controlled to 2.5 min.
The stirring time in step S3 was controlled to 4min, and the standing time was controlled to 11 h.
Example 3
The difference from example 1 is that:
the amounts of the components added in step S1 and step S2 were as follows:
95kg of river sand; 120kg of construction waste powder; 80kg of water; 25kg of Portland cement; 20kg of lime; 3kg of gypsum; 0.5kg of aluminum powder; 2kg of cobalt porphyrin; 1kg of hexabenzocoronene; 0.5kg of 2-hydroxy-5-methoxyacetophenone.
In step S2, the reaction time was controlled to 3 min.
The stirring time in step S3 was controlled to 5min, and the standing time was controlled to 12 h.
Example 4
The difference from example 1 is that:
the amounts of the components added in step S1 and step S2 were as follows:
93kg of river sand; 124kg of construction waste powder; 78kg of water; 26kg of Portland cement; 19kg of lime; 3.5kg of gypsum; 0.35kg of aluminum powder; 1.9kg of cobalt porphyrin; 0.9kg of hexabenzocoronene; 0.35kg of 2-hydroxy-5-methoxyacetophenone.
In step S2, the reaction time was controlled to 2.5 min.
The stirring time in step S3 was controlled to 4.5min, and the standing time was controlled to 11.5 h.
Example 5
The difference from example 4 is that: 0.5kg of S-thiobenzoylthioglycolic acid was also added in step S2.
Example 6
The difference from example 4 is that: in step S2, 1kg of S-thiobenzoylthioglycolic acid was also added.
Example 7
The difference from example 4 is that: 1kg of 1, 2-cyclohexanedione dioxime was also added in step S2.
Example 8
The difference from example 4 is that: in step S2, 2kg of 1, 2-cyclohexanedione dioxime was also added.
Example 9
The difference from example 4 is that: 0.3kg of 3-phosphoglycerate was also added in step S2.
Example 10
The difference from example 4 is that: 0.5kg of 3-phosphoglycerate was also added in step S2.
Example 11
The difference from example 4 is that: in step S2, 1kg of 1, 2-cyclohexanedione dioxime and 0.5kg of 3-phosphoglycerate are also added.
Example 12
The difference from example 4 is that: in step S2, 2kg of 1, 2-cyclohexanedione dioxime and 0.3kg of 3-phosphoglycerate were added.
Example 13
The difference from example 4 is that: in step S2, semen Lini 1kg is also added.
Example 14
The difference from example 4 is that: in step S2, semen Lini 3kg is also added.
Example 15
The difference from example 4 is that: in step S2, 1kg of semen Platycladi is also added.
Example 16
The difference from example 4 is that: in step S2, semen Platycladi 2kg is also added.
Example 17
The difference from example 4 is that: in step S2, semen Lini 1kg and semen Platycladi 2kg are also added.
Example 18
The difference from example 4 is that: in step S2, semen Lini 3kg and semen Platycladi 1kg are also added.
Example 19
The difference from example 4 is that: in the step S2, walnut shell powder 0.1kg is also added.
Example 20
The difference from example 4 is that: in the step S2, walnut shell powder 0.2kg is also added.
Example 21
The difference from example 4 is that: 0.5kg of hollow glass microspheres was also added in step S2.
Example 22
The difference from example 4 is that: in step S2, 1kg of hollow glass beads was further added.
Example 23
The difference from example 4 is that: in step S2, 0.5kg of S-thiobenzoyl thioglycolic acid, 2kg of 1, 2-cyclohexanedione dioxime, 0.5kg of 3-phosphoglycerate, 1kg of semen Lini, 2kg of semen Platycladi, 0.1kg of walnut shell powder and 1kg of hollow glass beads are also added.
Example 24
The difference from example 4 is that: step S2 also comprises S-thiobenzoyl thioglycolic acid 1kg, 1, 2-cyclohexanedione dioxime 1.5kg, 3-phosphoglycerate 0.4kg, semen Lini 2kg, semen Platycladi 1kg, walnut shell powder 0.2kg, and hollow glass microsphere 0.75 kg.
Example 25
The difference from example 4 is that: in step S2, 0.75kg of S-thiobenzoyl thioglycolic acid, 1kg of 1, 2-cyclohexanedione dioxime, 0.3kg of 3-phosphoglycerate, 3kg of semen Lini, 1.5kg of semen Platycladi, 0.15kg of walnut shell powder and 0.5kg of hollow glass microsphere are also added.
Example 26
The difference from example 4 is that: in step S2, 0.6kg of S-thiobenzoyl thioglycolic acid, 1.9kg of 1, 2-cyclohexanedione dioxime, 0.35kg of 3-phosphoglycerate, 1.5kg of semen Lini, 1.7kg of semen Platycladi, 0.19kg of walnut shell powder and 0.9kg of hollow glass beads are also added.
Comparative example 1
The difference from example 4 is that: porphyrin cobalt, hexabenzocoronene and 2-hydroxy-5-methoxyacetophenone were not added in step S2.
Comparative example 2
The difference from example 4 is that: no cobalt porphyrin was added in step S2.
Comparative example 3
The difference from example 4 is that: hexabenzocoronene was not added in step S2.
Comparative example 4
The difference from example 4 is that: in step S2, 2-hydroxy-5-methoxyacetophenone was not added.
Experiment 1
GB/T2542-2012 'wall brick test method' detects the compressive strength (MPa) and the breaking strength (MPa) of the autoclaved aerated concrete block bricks prepared in the above examples and comparative examples.
The data from the above experiments are shown in Table 1.
TABLE 1
According to the comparison of the data of the examples 4 to 6 in the table 1, the S-thiobenzoyl thioglycolic acid is added, so that the compression strength and the breaking strength of the autoclaved aerated concrete block brick are improved better, and the autoclaved aerated concrete block brick is less prone to cracking under pressure.
According to comparison of the data of the example 4 and the examples 7-8 in the table 1, the 1, 2-cyclohexanedione dioxime is added, so that the compression strength and the breaking strength of the autoclaved aerated concrete block brick are improved better, and the autoclaved aerated concrete block brick is less prone to cracking under pressure.
According to comparison of the data of the example 4 and the examples 9 to 12 in the table 1, the influence on the compressive strength and the flexural strength of the autoclaved aerated concrete block brick is small by adding the 3-phosphoglyceric acid alone, and the compressive strength and the flexural strength of the autoclaved aerated concrete block brick can be improved better only when the 1, 2-cyclohexanedione dioxime and the 3-phosphoglyceric acid are cooperated with each other, so that the autoclaved aerated concrete block brick is less prone to crack.
According to comparison of the data of the embodiment 4 and the embodiments 13 to 14 in the table 1, the hemp seed is added, so that the autoclaved aerated concrete block brick is favorable for better filling the pores in the autoclaved aerated concrete block brick, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are higher, and the autoclaved aerated concrete block brick is less prone to cracking.
According to the comparison of the data of the example 4 and the examples 15 to 18 in the table 1, the influence on the compressive strength and the flexural strength of the autoclaved aerated concrete block brick is small by adding the platycladi seeds alone, and the compressive strength and the flexural strength of the autoclaved aerated concrete block brick can be improved better only when the linseed and the platycladi seeds are cooperated with each other, so that the autoclaved aerated concrete block brick is less prone to cracking.
According to comparison of data of the example 4 and the examples 19 to 22 in the table 1, the walnut shell powder or the hollow glass beads are added independently, so that the compressive strength and the breaking strength of the autoclaved aerated concrete block brick are enhanced to a certain extent, and the autoclaved aerated concrete block brick is less prone to cracking under pressure.
According to the comparison of the data of the example 4 and the examples 23 to 26 in the table 1, the simultaneous addition of the S-thiobenzoylthioglycolic acid, the 1, 2-cyclohexanedione dioxime, the 3-phosphoglyceric acid, the linseed, the platycladi seed, the aluminum powder, the walnut shell powder and the hollow glass beads is beneficial to better synergistic cooperation of the components, so that the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are better improved.
According to the comparison of the data of the example 4 and the comparative examples 1 to 4 in the table 1, the compressive strength and the flexural strength of the autoclaved aerated concrete block brick can be better improved only when the cobalt porphyrin, the hexabenzocoronene and the 2-hydroxy-5-methoxyacetophenone are synergistically matched with each other, and the compressive strength and the flexural strength of the autoclaved aerated concrete block brick are easily greatly influenced due to the lack of any one component.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides an utilize autoclaved aerated concrete building block brick of construction waste which characterized in that: the paint comprises the following components in parts by mass:
70-80 parts of water;
90-100 parts of river sand;
25-30 parts of Portland cement;
15-20 parts of lime;
3-5 parts of gypsum;
0.3-0.5 part of aluminum powder;
120 portions of construction waste powder and 130 portions of construction waste powder, wherein the particle size of the construction waste powder is 0.3-0.5 mm;
1-2 parts of cobalt porphyrin;
0.5-1 part of hexabenzocoronene;
0.3-0.5 part of 2-hydroxy-5-methoxyacetophenone.
2. The autoclaved aerated concrete block brick utilizing construction waste according to claim 1, characterized in that: the paint also comprises the following components in parts by mass:
0.5-1 part of S-thiobenzoyl thioglycollic acid.
3. The autoclaved aerated concrete block brick utilizing construction waste according to any one of claims 1 to 2, characterized in that: the paint also comprises the following components in parts by mass:
1-2 parts of 1, 2-cyclohexanedione dioxime.
4. The autoclaved aerated concrete block brick utilizing construction waste according to claim 3, characterized in that: the paint also comprises the following components in parts by mass:
0.3-0.5 part of 3-phosphoglyceric acid.
5. The autoclaved aerated concrete block brick utilizing construction waste according to any one of claims 1 to 2, characterized in that: the paint also comprises the following components in parts by mass:
1-3 parts of semen sesami.
6. The autoclaved aerated concrete block brick utilizing construction waste according to claim 5, characterized in that: the paint also comprises the following components in parts by mass:
1-2 parts of platycladi seed.
7. The autoclaved aerated concrete block brick utilizing construction waste according to any one of claims 1 to 2, characterized in that: the paint also comprises the following components in parts by mass:
0.1-0.2 part of walnut shell powder.
8. The autoclaved aerated concrete block brick utilizing construction waste according to any one of claims 1 to 2, characterized in that: the paint also comprises the following components in parts by mass:
0.5-1 part of hollow glass beads.
9. A method for preparing the autoclaved aerated concrete block brick using the construction waste according to any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, adding river sand, construction waste powder and water into the reaction vessel according to the mass part ratio, and uniformly stirring to form slurry;
s2, adding the rest components of the autoclaved aerated concrete building block brick into the slurry, and reacting for 2-3min to obtain concrete slurry;
s3, stirring for 3-5min, pouring concrete slurry into a mold, and standing for 10-12 h;
s4, detaching the mould, and cutting the concrete slurry formed by standing into the required size to form an autoclaved aerated concrete block brick blank;
and S5, adding the autoclaved aerated concrete block brick blank into an autoclave for autoclaving, curing and forming to obtain the autoclaved aerated concrete block brick.
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| CN202010044839.0A CN111187051A (en) | 2020-01-16 | 2020-01-16 | Autoclaved aerated concrete block brick utilizing construction waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906907A (en) * | 2020-07-24 | 2020-11-10 | 湖南建工五建建筑工业化有限公司 | Method for forming rough surface of precast concrete member |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170369372A1 (en) * | 2016-06-23 | 2017-12-28 | Evonik Degussa Gmbh | Reinforced building block made of autoclaved aerated concrete (aac) |
| CN108218375A (en) * | 2018-01-24 | 2018-06-29 | 青岛广润丰建筑材料有限责任公司 | A kind of environmentally protective air-entrained concrete building block and preparation method thereof |
| CN108424094A (en) * | 2018-04-28 | 2018-08-21 | 武汉科技大学 | A kind of building waste/alkaline residue base autoclave aerated concrete building block and preparation method thereof |
| CN110482959A (en) * | 2019-09-16 | 2019-11-22 | 广州铁诚工程质量检测有限公司 | Concrete and preparation method thereof containing regenerative micro powder |
| CN110668763A (en) * | 2019-11-13 | 2020-01-10 | 林州市汇鑫安装工程有限公司 | Cement mortar |
-
2020
- 2020-01-16 CN CN202010044839.0A patent/CN111187051A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170369372A1 (en) * | 2016-06-23 | 2017-12-28 | Evonik Degussa Gmbh | Reinforced building block made of autoclaved aerated concrete (aac) |
| CN108218375A (en) * | 2018-01-24 | 2018-06-29 | 青岛广润丰建筑材料有限责任公司 | A kind of environmentally protective air-entrained concrete building block and preparation method thereof |
| CN108424094A (en) * | 2018-04-28 | 2018-08-21 | 武汉科技大学 | A kind of building waste/alkaline residue base autoclave aerated concrete building block and preparation method thereof |
| CN110482959A (en) * | 2019-09-16 | 2019-11-22 | 广州铁诚工程质量检测有限公司 | Concrete and preparation method thereof containing regenerative micro powder |
| CN110668763A (en) * | 2019-11-13 | 2020-01-10 | 林州市汇鑫安装工程有限公司 | Cement mortar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906907A (en) * | 2020-07-24 | 2020-11-10 | 湖南建工五建建筑工业化有限公司 | Method for forming rough surface of precast concrete member |
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Application publication date: 20200522 |