CN113200722A - Novel anti-crack and high-temperature-resistant basalt fiber wall - Google Patents
Novel anti-crack and high-temperature-resistant basalt fiber wall Download PDFInfo
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- CN113200722A CN113200722A CN202110536314.3A CN202110536314A CN113200722A CN 113200722 A CN113200722 A CN 113200722A CN 202110536314 A CN202110536314 A CN 202110536314A CN 113200722 A CN113200722 A CN 113200722A
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 51
- 239000004744 fabric Substances 0.000 claims abstract description 36
- 238000005336 cracking Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 235000020680 filtered tap water Nutrition 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 150000001735 carboxylic acids Chemical class 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 54
- 239000002994 raw material Substances 0.000 description 15
- 238000003756 stirring Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
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- 238000013001 point bending Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 206010003549 asthenia Diseases 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
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- 241000196324 Embryophyta Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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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
- C04B28/02—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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
- C04B2111/34—Non-shrinking or non-cracking 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention discloses a novel anti-cracking and high-temperature-resistant basalt fiber wall, which comprises an anti-cracking wall body formed by pouring concrete and high-temperature-resistant fireproof cloth attached to the wall surface of the anti-cracking wall body, wherein the concrete comprises the following components in parts by weight: 190-220 parts of water, 400-430 parts of cement, 610-640 parts of fine aggregate, 1100-1200 parts of coarse aggregate and 13-18 parts of basalt chopped fiber; the novel anti-cracking and high-temperature-resistant basalt fiber wall body is improved in fracture performance, the damage degree of a concrete structure is obviously reduced when a fire disaster happens, the whole structure of the wall is stable, the concrete wall is not easy to break and fall off when something is nailed or the wall is partially cut off and damaged, and the novel anti-cracking and high-temperature-resistant basalt fiber wall body is suitable for the technical field of building engineering.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a novel anti-cracking and high-temperature-resistant basalt fiber wall.
Background
Along with the development of society, the application field of concrete gradually becomes wide, and the requirement on the overall performance of the wall body formed by pouring concrete is higher and higher. When the wall body with the common concrete structure is used, under the action of long-term external force, numerous tiny cracks can be generated due to the influence of stress load and temperature effect, and the use of a building is influenced to a certain extent; when a fire disaster occurs, the high-temperature environment damages the concrete structure, so that the interior of the wall body is seriously damaged, the concrete structure is damaged unstably, and the safety is low.
Disclosure of Invention
The invention provides a novel anti-cracking and high-temperature-resistant basalt fiber wall body, aiming at improving the concrete cracking performance under the action of long-term external force and reducing the damage degree of a concrete structure in the case of fire.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the novel anti-cracking and high-temperature-resistant basalt fiber wall comprises an anti-cracking wall body formed by pouring concrete and high-temperature-resistant fireproof cloth attached to the wall surface of the anti-cracking wall body, wherein the concrete comprises the following components in parts by weight: 190-220 parts of water, 400-430 parts of cement, 610-640 parts of fine aggregate, 1100-1200 parts of coarse aggregate and 13-18 parts of basalt chopped fiber;
the high-temperature-resistant fireproof cloth comprises basalt fiber cloth, wherein slurry and an adhesive are coated on the surface of the basalt fiber cloth to prepare the high-temperature-resistant fireproof cloth, and then the high-temperature-resistant fireproof cloth is attached to the inner wall surface of the anti-cracking wall.
Further, the concrete comprises the following components in parts by weight: 195-215 parts of water, 405-425 parts of cement, 615-635 parts of fine aggregate, 1120-1190 parts of coarse aggregate and 13.5-17.5 parts of basalt chopped fiber.
Further, the concrete comprises the following components in parts by weight: 200 portions of water, 415 portions of cement, 620 portions of fine aggregate, 630 portions of fine aggregate, 1170 portions of coarse aggregate, 1140 portions and 14.5 to 16.5 portions of basalt chopped fiber.
Further, the concrete comprises the following components in parts by weight: 205 parts of water, 410 parts of cement, 624.75 parts of fine aggregate, 1160.25 parts of coarse aggregate and 15.9 parts of basalt chopped fiber.
Further, the water is filtered tap water; the cement is ordinary portland cement; the fine aggregate is natural river sand with fineness modulus of 2.0-4.0 mm; the coarse aggregate is continuous graded broken stone with the thickness of 5 mm-20 mm; the monofilament diameter of the basalt chopped fiber in the concrete is 10-15 um, the chopped length is 6-12 mm, and the volume mixing amount is 0.6%.
Furthermore, the basalt fiber cloth is formed by weaving continuous basalt fiber precursors with the monofilament diameter of 7-10 um by a cross method through twisting.
Further, the slurry comprises a film forming agent and a lubricant.
Furthermore, the film forming agent is a polymerization emulsion prepared by polymerizing an epoxy resin monomer in the presence of an emulsifier, the particle size of the polymerization emulsion is 0.35-0.70 μm, and the concentration is controlled at 48-51%.
The lubricant is a mixed solution prepared by water with the concentration of 53-58%, and the lubricant is a mixture consisting of one or more of fatty acid amide, polyester, synthetic ester and carboxylic acid.
Because the invention adopts the concrete and the wall structure with the mixture ratio, compared with the prior art, the invention has the technical progress that: the chopped basalt fiber has the advantages of acid and alkali resistance, fire resistance, water resistance and good tensile property, the concrete after the chopped basalt fiber is added into the concrete has greatly improved acid resistance, fire resistance, water resistance and tensile property, in addition, after the chopped basalt fiber is added into the concrete, the compactness of the concrete is better, the mechanical property of the crack-resistant wall after the concrete is poured is improved, and the occurrence of tiny cracks in the use process of the wall is avoided;
furthermore, high-temperature-resistant fireproof cloth is pasted on the wall surface of the poured anti-cracking wall body, when a high fire disaster occurs, the wall body is isolated from an indoor high-temperature combustion environment under the high-temperature environment, direct high-temperature impact is avoided, and the high-temperature-resistant fireproof cloth has good high-temperature-resistant and fireproof characteristics, so that the anti-cracking wall body is protected to a great extent, damage to the wall body is reduced, and the safety performance of the wall body is improved.
In conclusion, the novel anti-cracking and high-temperature-resistant basalt fiber wall body provided by the invention has the advantages that the breaking performance is improved, and the damage degree of a concrete structure is obviously reduced in the case of fire.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a graph showing the relationship between the amount of basalt fibers incorporated and the compressive strength;
FIG. 2 is a graph showing the relationship between the basalt fiber content and the three-point bending failure load;
FIG. 3 is a graph showing the strength change of concrete after a high temperature.
Detailed Description
The present invention is further illustrated by the following specific examples, it being understood that the preferred examples described herein are intended to illustrate and explain the present invention, and are not intended to limit the invention.
The invention discloses a novel anti-cracking and high-temperature-resistant basalt fiber wall, which comprises an anti-cracking wall body formed by pouring concrete and high-temperature-resistant fireproof cloth attached to the wall surface of the anti-cracking wall body, wherein the concrete comprises the following components in parts by weight: 190-220 parts of water, 400-430 parts of cement, 610-640 parts of fine aggregate, 1100-1200 parts of coarse aggregate and 13-18 parts of basalt chopped fiber; the high-temperature-resistant fireproof cloth comprises basalt fiber cloth, wherein slurry and an adhesive are coated on the surface of the basalt fiber cloth to prepare the high-temperature-resistant fireproof cloth, and then the high-temperature-resistant fireproof cloth is attached to the inner wall surface of the anti-cracking wall.
The invention has the beneficial effects that: the chopped basalt fiber has the advantages of acid and alkali resistance, fire resistance, water resistance and good tensile property, the concrete after the chopped basalt fiber is added into the concrete has greatly improved acid resistance, fire resistance, water resistance and tensile property, in addition, after the chopped basalt fiber is added into the concrete, the compactness of the concrete is better, the mechanical property of the crack-resistant wall after the concrete is poured is improved, and the occurrence of tiny cracks in the use process of the wall is avoided;
in addition, the high-temperature-resistant fireproof cloth is pasted on the wall surface of the poured anti-cracking wall body, so that the wall body is isolated from an indoor high-temperature combustion environment in a high-temperature environment when a high fire disaster occurs, direct high-temperature impact is avoided, and the high-temperature-resistant fireproof cloth has good high-temperature-resistant and fireproof characteristics, so that the anti-cracking wall body is protected to a great extent, the damage to the wall body is reduced, and the safety performance of the wall body is improved.
As a preferred embodiment, the water is filtered tap water; the cement is ordinary portland cement, specifically, p.o42.5 ordinary portland cement produced by a cement plant at corners is used in this embodiment; the fine aggregate is natural river sand with fineness modulus of 2.0-4.0 mm; the coarse aggregate is continuous graded broken stone with the thickness of 5 mm-20 mm; the monofilament diameter of the basalt chopped fiber in the concrete is 10-15 um, the chopped length is 6-12 mm, and the volume mixing amount is 0.6%. The basalt fiber cloth is formed by twisting continuous basalt fiber precursors with the monofilament diameter of 7-10 um and weaving the continuous basalt fiber precursors by a cross method, and the length of the adopted continuous basalt fiber is as long as possible, so that the basalt fiber cloth is easier to weave into cloth. The slurry includes a film former and a lubricant. The film-forming agent is a polymerization emulsion prepared by polymerizing an epoxy resin monomer in the presence of an emulsifier, the particle size of the polymerization emulsion is 0.35-0.70 μm, and the concentration is controlled at 48-51%. The lubricant is a mixed solution with the concentration of 53-58% prepared by water, and the lubricant is a mixture consisting of one or more than two of fatty acid amide, polyester, synthetic ester and carboxylic acid.
EXAMPLE 1 construction method
The invention provides a specific construction method of a novel anti-cracking and high-temperature-resistant basalt fiber wall body, which comprises the following steps:
A. preparing materials: preparing cement, fine aggregate, coarse aggregate and basalt chopped fiber according to the required raw material proportion;
B. mixing raw materials, and preparing concrete: putting the prepared cement, fine aggregate, coarse aggregate and basalt chopped fiber into a stirrer, fully stirring to prepare a concrete raw material mixture, and finally adding filtered tap water and uniformly stirring to prepare the concrete for wall pouring; in order to avoid the phenomena of agglomeration and uneven doping when the chopped basalt fibers are doped into concrete, the rest ingredients are uniformly stirred before the tap water is added;
C. pouring: pouring the stirred finished concrete into a cavity formed by the inner and outer wall templates, and pouring and molding;
D. and (5) maintenance: standard curing is carried out on the poured wall body for 28 days;
E. removing the template: and (4) removing the inner and outer wall templates.
The invention is further illustrated by the following specific examples, all starting materials being commercially available or prepared according to the prior art.
Example 2
A. Stock preparation
Preparing the following concrete raw materials in parts by weight:
205 parts of water, 410 parts of cement, 624.75 parts of fine aggregate, 1160.25 parts of coarse aggregate and 15.9 parts of basalt chopped fiber with the diameter of 6-12 mm;
B. mixing raw materials and preparing concrete
Putting the proportioned concrete raw materials into a stirrer, fully stirring to obtain a concrete raw material mixture, and finally adding filtered tap water and uniformly stirring to obtain concrete;
C. pouring
And respectively manufacturing a test block for testing the compressive strength and a test block for testing the fracture performance of the stirred concrete through a test block manufacturing die so as to test the improvement of the fracture performance of the concrete. The test block for testing the compressive strength is a cube with the size of 100mm multiplied by 100 mm; a test piece for determining fracture properties was a prism having a size of 300mm X100 mm, and a prepared crack having a width of 2mm and a height of 40mm was prepared in the middle of the test piece beam.
D. Maintaining
The prepared test block was subjected to standard maintenance for 28 days for subsequent tests.
E. And (3) removing the template, and performing a compressive strength test and a fracture performance test by performing a single-axis compression test and a three-point bending test on the test block so as to test the improvement of the crack resistance.
According to uniaxial compression tests, the compression strength of the test block (the content of the chopped basalt fiber is 0.6%) in the embodiment is 56.2MPa, the compression strength of the reference concrete is 43.1MPa, the compression strength is improved by about 30% compared with that of the reference concrete, the compression strength change is shown in figure 1, the failure mode of the test block can be analyzed, cracks penetrating through the test block are generated when the reference concrete is broken, and the test block is complete and integral and has no penetrating cracks. The compressive strength of this example is far superior to that of the reference concrete.
It is known from the three-point bending test that the test block of this example (the content of the chopped basalt fiber is 0.6%) has a breaking load of 4.1KPa, the breaking load of the reference concrete is 3.4KPa, which is about 20% higher than the breaking load of the reference concrete, and the breaking load is increased more than that shown in fig. 2, for example, thereby obtaining a better crack-arresting effect. The fracture performance of the test block of the embodiment is far superior to that of the reference concrete.
Example 3
A. Stock preparation
Preparing the following concrete raw materials in parts by weight:
205 parts of water, 410 parts of cement, 624.75 parts of fine aggregate, 1160.25 parts of coarse aggregate and 15.9 parts of basalt chopped fiber with the diameter of 6-12 mm;
B. mixing raw materials and preparing concrete
Putting the proportioned concrete raw materials into a stirrer, fully stirring to obtain a concrete raw material mixture, and finally adding filtered tap water and uniformly stirring to obtain concrete;
C. pouring
And (3) making the stirred concrete into a test block for testing the compressive strength through a test block making die, wherein the test block for testing the compressive strength is a cube with the size of 100mm multiplied by 100 mm.
D. Maintaining
And carrying out standard maintenance on the prepared test block for 28 days for subsequent tests.
E. And (4) removing the template, carrying out a high-temperature resistance test, and mainly measuring the compressive strength loss of the template after high temperature.
As can be seen from the high temperature test, the strength of the test block (the mixing amount of the chopped basalt fiber is 0.6%) in the embodiment is reduced from 56.2MPa to 20.1MPa after the test block is heated at 800 ℃, while the strength of the reference concrete is reduced from 43.6MPa to 12.8MPa, and after the test block is influenced by a high temperature environment, the compression strength of the test block in the embodiment is far better than that of the reference concrete, as shown in FIG. 3; and the appearance change shows that the appearance integrity of the reference concrete has a more serious corner drop phenomenon compared with the appearance integrity of the embodiment.
Example 4
A stock preparation
Preparing the following concrete raw materials in parts by weight:
205 parts of water, 410 parts of cement, 624.75 parts of fine aggregate, 1160.25 parts of coarse aggregate and 15.9 parts of basalt chopped fiber with the diameter of 6-12 mm;
mixing raw materials B and preparing concrete
Putting the proportioned A-component concrete raw materials into a stirrer, fully stirring to obtain A-component concrete raw material mixture, and finally adding filtered tap water and uniformly stirring to obtain A-component concrete;
C. pouring
And (3) making the stirred concrete into a test block for testing the compressive strength through a test block making die, wherein the test block for testing the compressive strength is a cube with the size of 100mm multiplied by 100 mm.
D. Maintaining
And carrying out standard maintenance on the prepared test block for 28 days for subsequent tests.
E. Dismantling the template, preparing the high-temperature-resistant fireproof cloth, weaving basalt fibers by a cross method to prepare the basalt fiber cloth, coating slurry and an adhesive on the surface of the basalt fiber cloth, and finally preparing the high-temperature-resistant fireproof cloth.
F. In order to verify the fireproof characteristic of the high-temperature-resistant fireproof cloth, the high-temperature-resistant fireproof cloth is pasted on the test block of the embodiment, a high-temperature test is carried out on the test block, and the compressive strength loss of the test block after high temperature is measured.
According to the test of high temperature, the test block of the embodiment removes the high temperature-resistant fireproof cloth after the test block is subjected to high temperature of 800 degrees, and the test results show that the strength is reduced from 56.2MPa to 40.6MPa, so that the test block of the embodiment 3 has better high temperature resistance and obviously reduced damage degree compared with the test block without the fireproof cloth on the surface of the test block.
In conclusion, the novel anti-cracking and high-temperature-resistant basalt fiber wall provided by the invention has the advantages that the cracking performance is obviously improved under the action of long-term external force, the damage to the wall is obviously reduced when a fire disaster occurs, in addition, the whole structure of the wall is stable, and the concrete wall is not easy to break and fall off when something is nailed or locally removed and subjected to collision damage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A novel anti-crack and high-temperature-resistant basalt fiber wall body is characterized in that: the anti-crack wall comprises an anti-crack wall body formed by pouring concrete and high-temperature-resistant fireproof cloth attached to the wall surface of the anti-crack wall body, wherein the concrete comprises the following components in parts by weight: 190-220 parts of water, 400-430 parts of cement, 610-640 parts of fine aggregate, 1100-1200 parts of coarse aggregate and 13-18 parts of basalt chopped fiber;
the high-temperature-resistant fireproof cloth comprises basalt fiber cloth, wherein slurry and an adhesive are coated on the surface of the basalt fiber cloth to prepare the high-temperature-resistant fireproof cloth, and then the high-temperature-resistant fireproof cloth is attached to the inner wall surface of the anti-cracking wall.
2. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the concrete comprises the following components in parts by weight: 195-215 parts of water, 405-425 parts of cement, 615-635 parts of fine aggregate, 1120-1190 parts of coarse aggregate and 13.5-17.5 parts of basalt chopped fiber.
3. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the concrete comprises the following components in parts by weight: 200 portions of water, 415 portions of cement, 620 portions of fine aggregate, 630 portions of fine aggregate, 1170 portions of coarse aggregate, 1140 portions and 14.5 to 16.5 portions of basalt chopped fiber.
4. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the concrete comprises the following components in parts by weight: 205 parts of water, 410 parts of cement, 624.75 parts of fine aggregate, 1160.25 parts of coarse aggregate and 15.9 parts of basalt chopped fiber.
5. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the water is filtered tap water; the cement is ordinary portland cement; the fine aggregate is natural river sand with fineness modulus of 2.0-4.0 mm; the coarse aggregate is continuous graded broken stone with the thickness of 5 mm-20 mm; the monofilament diameter of the basalt chopped fiber in the concrete is 10-15 um, the chopped length is 6-12 mm, and the volume mixing amount is 0.6%.
6. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the basalt fiber cloth is formed by weaving continuous basalt fiber precursors with the monofilament diameter of 7-10 um by a cross method in a twisting mode.
7. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 1, wherein: the slurry includes a film former and a lubricant.
8. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 7, wherein: the film-forming agent is a polymerization emulsion prepared by polymerizing an epoxy resin monomer in the presence of an emulsifier, the particle size of the polymerization emulsion is 0.35-0.70 μm, and the concentration is controlled at 48-51%.
9. The novel anti-cracking and high-temperature-resistant basalt fiber wall body according to claim 7, wherein: the lubricant is a mixed solution with the concentration of 53-58% prepared by water, and the lubricant is a mixture consisting of one or more than two of fatty acid amide, polyester, synthetic ester and carboxylic acid.
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| CN202110536314.3A CN113200722A (en) | 2021-05-17 | 2021-05-17 | Novel anti-crack and high-temperature-resistant basalt fiber wall |
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| CN202110536314.3A CN113200722A (en) | 2021-05-17 | 2021-05-17 | Novel anti-crack and high-temperature-resistant basalt fiber wall |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113254A (en) * | 2015-09-02 | 2015-12-02 | 四川航天五源复合材料有限公司 | Method for preparing basalt fiber flameproof fabric |
| CN105239400A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Basalt fiber internal wall heat preservation gridding cloth |
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| KR101904204B1 (en) * | 2017-09-26 | 2018-10-04 | 김양중 | The method of the earthquake-resistant or strengthening structurally using basalt fiber sheet and metal reinforcement for masonry wall system |
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| CN105239400A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Basalt fiber internal wall heat preservation gridding cloth |
| CN105239394A (en) * | 2015-09-02 | 2016-01-13 | 四川航天五源复合材料有限公司 | Method of preparing basalt fiber external wall heat preservation gridding cloth |
| KR101904204B1 (en) * | 2017-09-26 | 2018-10-04 | 김양중 | The method of the earthquake-resistant or strengthening structurally using basalt fiber sheet and metal reinforcement for masonry wall system |
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