CN108249862B - High-hardness building material and preparation method thereof - Google Patents
High-hardness building material and preparation method thereof Download PDFInfo
- Publication number
- CN108249862B CN108249862B CN201810124246.8A CN201810124246A CN108249862B CN 108249862 B CN108249862 B CN 108249862B CN 201810124246 A CN201810124246 A CN 201810124246A CN 108249862 B CN108249862 B CN 108249862B
- Authority
- CN
- China
- Prior art keywords
- parts
- building material
- cement
- powder
- hardness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004566 building material Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 74
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000004568 cement Substances 0.000 claims abstract description 46
- 239000010451 perlite Substances 0.000 claims abstract description 45
- 235000019362 perlite Nutrition 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 239000000741 silica gel Substances 0.000 claims abstract description 36
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 36
- 239000004576 sand Substances 0.000 claims abstract description 35
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 31
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011591 potassium Substances 0.000 claims abstract description 26
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 26
- 239000012745 toughening agent Substances 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 229920001577 copolymer Polymers 0.000 claims abstract description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000002745 absorbent Effects 0.000 claims abstract description 8
- 239000002250 absorbent Substances 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims abstract description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 25
- 239000004567 concrete Substances 0.000 abstract description 21
- -1 flexibilizer Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000007906 compression Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 11
- 238000009472 formulation Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- 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
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 belongs to the technical field of building materials, and particularly relates to a high-hardness building material and a preparation method thereof, wherein the material is prepared from the following raw materials in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; the toughening agent is a mixture of any two of ethylene-ethyl acetate copolymer, dioctyl phthalate, silica gel powder or super absorbent resin. The invention combines cement, sand, perlite powder, silica gel powder, flexibilizer, water reducer and potassium fulvate, and can improve the compressive strength and the flexural strength of the concrete building material, thereby improving the hardness and the toughness of the material.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a high-hardness building material and a preparation method thereof.
Background
The building material is the foundation of building engineering, and the concrete is used as traditional building engineering material, and is made up by adding auxiliary materials of sand, etc. into cement, adding water and stirring them and hardening them. However, the proportion of the auxiliary materials added into the cement is different, so that the tensile strength of the material is low, the hardness of the material is poor, and the requirements of high-hardness and high-toughness building materials in the existing market are difficult to meet. Accordingly, there is a need for improvements over conventional cement concrete materials.
Chinese patent CN 104446250B discloses a high-toughness building material, which comprises a fiber material, portland cement, calcium carbonate, fly ash, silicon powder, a dispersant, a water reducing agent, a thickening agent and a toughening agent, wherein composite fibers are uniformly distributed in the material through the dispersant, so that the mechanical property of the material is changed, and the toughness and the crack resistance of the traditional building material are improved. However, the patent has the advantages that the toughness is improved, and the hardness performance is basically maintained at the level of the traditional concrete material.
Chinese patent CN 107382158A discloses a high-hardness building material, which comprises cement, perlite, inert material, dibutyl phthalate, xanthan gum and water, and through reasonable proportioning of these materials, the hardness of the traditional cement concrete material is enhanced, and the service life of the material is prolonged. However, the hardness of the material is improved only by adjusting the proportion of different raw materials, the types of the raw materials such as cement, perlite and quartz sand are still limited in the range of the traditional cement concrete, and although the hardness of the material is improved, the toughness of the material is influenced because the selected raw materials have higher hardness.
In summary, the prior art has the problem of lacking a high-hardness concrete building material with good toughness.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a high-hardness building material and a preparation method thereof, and develops a high-hardness concrete building material with good toughness.
The invention provides a high-hardness building material which is prepared from the following raw materials in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; the toughening agent is a mixture of any two of ethylene-ethyl acetate copolymer, dioctyl phthalate, silica gel powder or super absorbent resin.
Preferably, the high-hardness building material is prepared from the following raw materials in parts by weight: 60 parts of cement, 80 parts of sand, 15 parts of perlite powder, 8 parts of silica gel powder, 2 parts of flexibilizer, 2 parts of water reducing agent and 0.5 part of potassium fulvate.
Preferably, in the high-hardness building material, the cement is portland cement.
Preferably, in the high-hardness building material, the maximum particle size of the sand is 10mm or less.
Preferably, in the high-hardness building material, the maximum particle size of the silica gel powder is less than or equal to 5 mm.
Preferably, in the high-hardness building material, the perlite powder is powder which is obtained by ball-milling perlite into 100-200 meshes by using a ball mill.
The invention also provides a preparation method of the high-hardness building material, which comprises the following steps:
s1, weighing the following components in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; grinding the perlite into perlite powder of 100-200 meshes;
s2, fully mixing the sand, the perlite powder and the silica gel powder weighed in the S1 with the potassium fulvate to obtain a material mixture;
and S3, adding water into the cement weighed in the S1, mixing to obtain cement paste, then adding the water reducing agent and the toughening agent weighed in the S1, fully mixing, adding the mixture into the material mixture of the S2, and fully mixing again to obtain the high-hardness building material.
Preferably, in the preparation method of the high-hardness building material, in S3, the weight of the added water is 1/8-1/6 of the total weight of the cement and the sand.
Compared with the prior art, the high-hardness building material provided by the invention has the following beneficial effects:
the invention develops a high-hardness concrete building material with good toughness, combines cement, sand, perlite powder, silica gel powder, a toughening agent, a water reducing agent and potassium fulvate for use, can improve the compressive strength and the flexural strength of the concrete building material, further improves the hardness and the toughness of the material, and has good application prospect in the building industry. Wherein, the perlite powder mainly acts to enhance the hardness of the material, the silica gel powder mainly acts to enhance the toughness of the material, and the potassium fulvate can enhance the toughness of the material and also enhance the hardness of the material.
Detailed Description
The present invention will be described in detail with reference to specific embodiments, but it should be understood that the scope of the present invention is not limited by the specific embodiments. The test methods not specified in the following examples are generally conducted under conventional conditions, and the sources of the test materials not specified are commercially available, and the steps thereof will not be described in detail since they do not relate to the invention.
The invention provides a high-hardness building material which is prepared from the following raw materials in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; the toughening agent is a mixture of any two of ethylene-ethyl acetate copolymer, dioctyl phthalate, silica gel powder or super absorbent resin.
Based on the same inventive concept, the invention also provides a preparation method of the high-hardness building material, which comprises the following steps:
s1, weighing the following components in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; grinding the perlite into perlite powder of 100-200 meshes;
s2, fully mixing the sand, the perlite powder and the silica gel powder weighed in the S1 with the potassium fulvate to obtain a material mixture;
and S3, adding water into the cement weighed in the S1, mixing to obtain cement paste, then adding the water reducing agent and the toughening agent weighed in the S1, fully mixing, adding the mixture into the material mixture of the S2, and fully mixing again to obtain the high-hardness building material for later use.
The concrete water reducer comprises the following embodiments, wherein the water reducer adopted in the following embodiments is a polycarboxylic acid water reducer sold in the market, and other concrete water reducers sold in the market can be selected in the practical application process; the cement is portland cement; the maximum grain size of the sand is less than or equal to 10 mm; the maximum particle size of the silica gel powder is less than or equal to 5 mm; the perlite powder is powder which is prepared by ball-milling perlite into 100-200 meshes by a ball mill.
Example 1
A high-hardness building material is prepared from the following raw material components in parts by weight: 60 parts of cement, 80 parts of sand, 15 parts of perlite powder, 8 parts of silica gel powder, 2 parts of flexibilizer, 2 parts of water reducing agent and 0.5 part of potassium fulvate; the toughening agent is a mixture formed by mixing ethylene-ethyl acetate copolymer and dioctyl phthalate according to the weight ratio of 1: 1. The high-hardness building material is prepared by the following method:
s1, weighing the following components in parts by weight: 60 parts of cement, 80 parts of sand, 15 parts of perlite powder, 8 parts of silica gel powder, 2 parts of flexibilizer, 2 parts of water reducing agent and 0.5 part of potassium fulvate; grinding the perlite into perlite powder with the particle size of 200 meshes;
s2, fully mixing the sand, the perlite powder and the silica gel powder weighed in the S1 with the potassium fulvate to obtain a material mixture;
s3, adding water into the cement weighed in the S1, mixing the water with the weight being 1/8 of the total weight of the cement and the sand to obtain cement paste, then adding the water reducing agent and the toughening agent weighed in the S1, fully mixing, adding the mixture into the material mixture of the S2, and fully mixing again to obtain the high-hardness building material for later use.
The high-hardness building material prepared in example 1 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 208mm and a slump of 206mm after one hour, with substantially no loss; the flexural strength of the steel plate is 4.8MPa after 7 days of test, and the flexural strength of the steel plate is 5.5MPa after 28 days of test; the compressive strength was 30.5MPa after 7 days of the test and 41.6MPa after 28 days of the test. Has higher compression strength and rupture strength.
Example 2
A high-hardness building material is prepared from the following raw material components in parts by weight: 90 parts of cement, 80 parts of sand, 20 parts of perlite powder, 10 parts of silica gel powder, 2 parts of flexibilizer, 2 parts of water reducing agent and 1 part of potassium fulvate; the toughening agent is a mixture formed by mixing dioctyl phthalate and silica gel powder according to the weight ratio of 1: 1. The high-hardness building material is prepared by the following method:
s1, weighing the following components in parts by weight: 90 parts of cement, 80 parts of sand, 20 parts of perlite powder, 10 parts of silica gel powder, 5 parts of flexibilizer, 2 parts of water reducing agent and 1 part of potassium fulvate; grinding the perlite into perlite powder with the grain size less than or equal to 200 meshes;
s2, fully mixing the sand, the perlite powder and the silica gel powder weighed in the S1 with the potassium fulvate to obtain a material mixture;
s3, adding water into the cement weighed in the S1, wherein the weight of the added water is 1/8 of the total weight of the cement and the sand, mixing to obtain cement paste, then adding the water reducing agent and the toughening agent weighed in the S1, fully mixing, adding the mixture into the material mixture of the S2, and fully mixing again to obtain the high-hardness building material for later use.
The high-hardness building material prepared in example 2 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 210mm, and a slump after one hour of 210mm without loss; the flexural strength of the steel plate is 4.9MPa after 7 days of test, and the flexural strength of the steel plate is 5.8MPa after 28 days of test; the compressive strength was 31.5MPa after 7 days of the test and 42.1MPa after 28 days of the test. Has higher compression strength and rupture strength.
Example 3
A high-hardness building material is prepared from the following raw material components in parts by weight: 80 parts of cement, 40 parts of sand, 10 parts of perlite powder, 5 parts of silica gel powder, 3 parts of flexibilizer, 1 part of water reducing agent and 0.6 part of potassium fulvate; the toughening agent is a mixture formed by mixing silica gel powder and super absorbent resin according to the weight ratio of 1: 1. The preparation method is the same as that of example 2, except that the formulation is changed to the formulation of the high-hardness building material of example 3.
The high-hardness building material prepared in example 3 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 208mm, and a slump after one hour of 208mm without loss; the flexural strength of the steel plate is 4.9MPa after 7 days of test, and the flexural strength of the steel plate is 5.8MPa after 28 days of test; the compressive strength was 31.5MPa after 7 days of the test and 41.1MPa after 28 days of the test. Has higher compression strength and rupture strength.
Example 4
A high-hardness building material is prepared from the following raw material components in parts by weight: 75 parts of cement, 55 parts of sand, 16 parts of perlite powder, 8 parts of silica gel powder, 4 parts of flexibilizer, 1.5 parts of water reducer and 0.8 part of potassium fulvate; the toughening agent is a mixture formed by mixing ethylene-ethyl acetate copolymer and silica gel powder according to the weight ratio of 1: 1. The preparation method is the same as that of example 2, except that the formulation is changed to the formulation of the high-hardness building material of example 4.
The high-hardness building material prepared in example 4 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 206mm and a slump of 205mm after one hour, with substantially no loss; the flexural strength of the steel plate is 4.7MPa after 7 days of test, and the flexural strength of the steel plate is 5.8MPa after 28 days of test; the compressive strength of the test is 32.3MPa in 7 days, and the compressive strength of the test is 40.1MPa in 28 days. Has higher compression strength and rupture strength.
Example 5
A high-hardness building material is prepared from the following raw material components in parts by weight: 85 parts of cement, 66 parts of sand, 12 parts of perlite powder, 6 parts of silica gel powder, 4.5 parts of flexibilizer, 1.6 parts of water reducing agent and 1 part of potassium fulvate; the toughening agent is a mixture formed by mixing ethylene-ethyl acetate copolymer and super absorbent resin according to the weight ratio of 1: 1. The preparation method was the same as example 2 except that the formulation was changed to the formulation of the high-hardness building material of example 5, and the weight of water added in the preparation method of the high-hardness building material was changed to 1/6 based on the total weight of cement and sand.
The high-hardness building material prepared in example 5 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 206mm and a slump of 206mm after one hour, without loss; the flexural strength of the steel plate is 4.4MPa after 7 days of test, and the flexural strength of the steel plate is 5.8MPa after 28 days of test; the compressive strength of the test is 30.5MPa in 7 days, and 40.3MPa in 28 days. Has higher compression strength and rupture strength.
Comparative example 1
A high-hardness building material is prepared from the following raw material components in parts by weight: 85 parts of cement, 66 parts of sand, 12 parts of perlite powder, 6 parts of silica gel powder, 4.5 parts of flexibilizer and 1.6 parts of water reducer; the toughening agent is a mixture formed by mixing ethylene-ethyl acetate copolymer and super absorbent resin according to the weight ratio of 1: 1. The preparation method is the same as that of example 2, except that the formulation is changed to the formulation of the high-hardness building material of comparative example 1.
The high-hardness building material prepared in comparative example 1 was mixed and stirred in a single-horizontal-shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 210mm and a slump of 206mm after one hour, without loss; the flexural strength of the steel plate is 3.8MPa after 7 days of test, and the flexural strength of the steel plate is 4.4MPa after 28 days of test; the compression strength of the test is 25.0MPa in 7 days, and the compression strength of the test is 30.4MPa in 28 days. Has higher compression strength and rupture strength.
Comparative example 2
A high-hardness building material is prepared from the following raw material components in parts by weight: 85 parts of cement, 66 parts of sand, 12 parts of perlite powder, 4.5 parts of flexibilizer, 1.6 parts of water reducing agent and 1 part of potassium fulvate; the toughening agent is a mixture formed by mixing ethylene-ethyl acetate copolymer and super absorbent resin according to the weight ratio of 1: 1. The preparation method is the same as that of example 2, except that the formulation is changed to the formulation of the high-hardness building material of comparative example 2.
The high-hardness building material prepared in comparative example 2 was mixed and stirred in a single horizontal shaft forced concrete mixer (HJW-30 type) for 2 to 3 minutes, with a slump of 212mm and a slump of 206mm after one hour, without loss; the flexural strength of the steel plate is 3.8MPa after 7 days of test, and the flexural strength of the steel plate is 4.3MPa after 28 days of test; the compression strength of the test is 28.3MPa in 7 days, and the compression strength of the test is 37.1MPa in 28 days. Has higher compression strength and rupture strength.
The results of comparing the data of the above examples and comparative examples show that the high-hardness concrete building material with good toughness provided by the invention can improve the compressive strength and the flexural strength of the concrete building material by combining cement, sand, perlite powder, silica gel powder, a toughening agent, a water reducing agent and potassium fulvate, thereby improving the hardness and the toughness of the material.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The high-hardness building material is characterized by being prepared from the following raw materials in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate;
the perlite powder is prepared by ball-milling perlite into 100-200 meshes of powder by a ball mill; the toughening agent is a mixture of any two of ethylene-ethyl acetate copolymer, dioctyl phthalate, silica gel powder and super absorbent resin.
2. The high-hardness building material according to claim 1, which is prepared from the following raw material components in parts by weight: 60 parts of cement, 80 parts of sand, 15 parts of perlite powder, 8 parts of silica gel powder, 2 parts of flexibilizer, 2 parts of water reducing agent and 0.5 part of potassium fulvate.
3. The high-hardness building material according to claim 1, wherein the cement is portland cement.
4. The high-hardness building material according to claim 1, wherein the sand has a maximum particle size of 10mm or less.
5. The high-hardness building material according to claim 1, wherein the maximum particle size of the silica gel powder is not more than 5 mm.
6. The method for preparing a high-hardness building material according to claim 1, comprising the steps of:
s1, weighing the following components in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; grinding the perlite into perlite powder of 100-200 meshes;
s2, fully mixing the sand, the perlite powder and the silica gel powder weighed in the S1 with the potassium fulvate to obtain a material mixture;
and S3, adding water into the cement weighed in the S1, mixing to obtain cement paste, then adding the water reducing agent and the toughening agent weighed in the S1, fully mixing, adding the mixture into the material mixture of the S2, and fully mixing again to obtain the high-hardness building material.
7. The method for preparing a high-hardness building material according to claim 6, wherein the weight of the added water in S3 is 1/8 to 1/6 of the total weight of the cement and the sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124246.8A CN108249862B (en) | 2018-02-07 | 2018-02-07 | High-hardness building material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124246.8A CN108249862B (en) | 2018-02-07 | 2018-02-07 | High-hardness building material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108249862A CN108249862A (en) | 2018-07-06 |
| CN108249862B true CN108249862B (en) | 2020-09-15 |
Family
ID=62744697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124246.8A Expired - Fee Related CN108249862B (en) | 2018-02-07 | 2018-02-07 | High-hardness building material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108249862B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333377A (en) * | 2020-03-09 | 2020-06-26 | 中南大学 | High-tensile-strength concrete and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1692075A2 (en) * | 2003-11-24 | 2006-08-23 | Michael Lefenfeld | Silica gel compositions containing alkali metals and alkali metal alloys |
| CN103553490A (en) * | 2013-10-16 | 2014-02-05 | 北京新奥混凝土集团有限公司 | High-collapse-retentivity concrete, and preparation method and application thereof |
| CN103664098A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic heat preservation mortar containing blast furnace slag |
| CN106946505A (en) * | 2017-02-10 | 2017-07-14 | 安徽键合科技有限公司 | A kind of construction wall refractory material and preparation method thereof |
| CN107382158A (en) * | 2017-06-30 | 2017-11-24 | 太仓顺如成建筑材料有限公司 | A kind of high rigidity construction material |
-
2018
- 2018-02-07 CN CN201810124246.8A patent/CN108249862B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1692075A2 (en) * | 2003-11-24 | 2006-08-23 | Michael Lefenfeld | Silica gel compositions containing alkali metals and alkali metal alloys |
| CN103553490A (en) * | 2013-10-16 | 2014-02-05 | 北京新奥混凝土集团有限公司 | High-collapse-retentivity concrete, and preparation method and application thereof |
| CN103664098A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic heat preservation mortar containing blast furnace slag |
| CN106946505A (en) * | 2017-02-10 | 2017-07-14 | 安徽键合科技有限公司 | A kind of construction wall refractory material and preparation method thereof |
| CN107382158A (en) * | 2017-06-30 | 2017-11-24 | 太仓顺如成建筑材料有限公司 | A kind of high rigidity construction material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108249862A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220144700A1 (en) | High strength coral concrete and preparation method thereof | |
| CN108793905B (en) | Repair mortar, preparation method thereof and application thereof in precast concrete member repair | |
| CN110746165A (en) | Ocean engineering repair mortar and preparation method thereof | |
| CN111302743A (en) | Preparation method of high-strength, anti-cracking and anti-seismic concrete | |
| CN111533504A (en) | Ultrahigh-performance concrete formed by mixing machine-made sand and aeolian sand and preparation method thereof | |
| CN107572841B (en) | Low-carbon cementing material and method for preparing concrete | |
| CN103936363A (en) | Underwater concrete containing limestone machine-made sand and preparation method thereof | |
| CN110922132A (en) | Light-weight ultrahigh-strength concrete and preparation method thereof | |
| CN115819049A (en) | Cement-based grouting material for mounting wind power foundation tower barrel base and preparation method thereof | |
| CN113651574B (en) | Counterweight cement-based composite material and preparation method thereof | |
| CN111003966B (en) | Sulfate-resistant low-alkali portland cement reinforcing agent and application thereof | |
| WO2024120065A1 (en) | Mine tailing-derived self-forming material and use thereof | |
| CN109020451A (en) | A kind of tubular pile cement and preparation method thereof | |
| CN114751694A (en) | Cement grouting material suitable for marine environment and preparation method thereof | |
| CN110668716A (en) | Composite cement and preparation method thereof | |
| CN108249862B (en) | High-hardness building material and preparation method thereof | |
| CN112374787A (en) | Basalt fiber anti-cracking waterproof agent for concrete and preparation method thereof | |
| CN116730681A (en) | Cracking-resistant concrete and preparation method thereof | |
| CN111170702A (en) | Concrete surface rapid repairing material and preparation method thereof | |
| CN114426422B (en) | Waterproof and anti-seepage medium-high-strength resin concrete for underground space and preparation process thereof | |
| CN116143457A (en) | Fiber reinforced slag-bagasse ash-based geopolymer material and preparation method thereof | |
| CN110894150A (en) | Micro-expansion 3D printing ink and preparation method thereof | |
| CN104370506A (en) | Concrete with improved construction performance and preparation method thereof | |
| CN110922106B (en) | Building waste recycled aggregate masonry mortar and preparation method thereof | |
| CN114835460A (en) | Anti-cracking gypsum-based self-leveling mortar and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20220207 |