CN115716728B - Penetration-resistant solid waste collection ultra-high ductility geopolymer composite material and preparation method thereof - Google Patents
Penetration-resistant solid waste collection ultra-high ductility geopolymer composite material and preparation method thereof Download PDFInfo
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- 239000002910 solid waste Substances 0.000 title claims abstract description 206
- 229920000876 geopolymer Polymers 0.000 title claims abstract description 181
- 239000002131 composite material Substances 0.000 title claims abstract description 169
- 230000035515 penetration Effects 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 271
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 225
- 239000010959 steel Substances 0.000 claims abstract description 225
- 239000002002 slurry Substances 0.000 claims abstract description 99
- 239000012190 activator Substances 0.000 claims abstract description 22
- 239000003513 alkali Substances 0.000 claims abstract description 22
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 20
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 20
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002440 industrial waste Substances 0.000 claims abstract description 17
- 229920000642 polymer Polymers 0.000 claims description 66
- 239000002994 raw material Substances 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 229910021487 silica fume Inorganic materials 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 9
- 229920006255 plastic film Polymers 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000003733 fiber-reinforced composite Substances 0.000 claims 1
- 239000012783 reinforcing fiber Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 25
- 238000003756 stirring Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 6
- 239000002861 polymer material Substances 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000010920 waste tyre Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention belongs to the technical field of protection engineering materials, and particularly relates to an anti-penetration solid waste ultra-high ductility geopolymer composite material and a preparation method thereof. The solid waste collection ultra-high ductility geopolymer slurry comprises the following components: fine aggregate, industrial waste residue, metakaolin, alkali activator and polyvinyl alcohol fiber. According to the invention, the steel fiber and the polyvinyl alcohol fiber are added into the geopolymer, so that the compressive strength and ductility of the material are improved, the penetration resistance is enhanced, and the utilization rate of solid wastes is improved.
Description
Technical Field
The invention belongs to the technical field of protection engineering materials, and particularly relates to an anti-penetration solid waste collection ultrahigh-ductility geopolymer composite material and a preparation method thereof.
Background
The earth-boring bullet drills into the ground by means of strong kinetic energy, and the explosion and penetration coupling effect occurs to damage underground defense facilities. Concrete is used as a main material of the current underground defense facilities, and due to the defects of low tensile strength ratio, poor ductility, brittleness and easy fracture, penetration easily occurs when the concrete is subjected to explosion and elastomer penetration, and the layer is cracked, collapsed and destroyed. It is urgent to find new protective engineering materials with higher compressive strength and better ductility than concrete. On the other hand, today, where energy conservation and emission reduction are advocated, carbon dioxide emitted by the cement industry accounts for about 7% of the total global carbon emission, and even exceeds the carbon emission of all trucks worldwide, so research on novel low-carbon emission anti-penetration materials is an important point of current research.
The annual output of industrial waste residue in China is 33.2 hundred million tons, and the treatment rate of the industrial waste residue is only 24 percent. The geopolymer uses general industrial waste slag and silica fume as main raw materials, so that the utilization rate of industrial waste slag can be improved, the cement demand can be reduced, and the carbon emission can be reduced. Even because of its aluminosilicate structure, geopolymer has the mechanical properties of non-reinforced concrete and even has better ductility than concrete. By the end of 3 months in 2022, the holding capacity of motor vehicles in China reaches 4 hundred million, 1500 ten thousand tons of waste tires are produced each year, the annual recovery rate is less than 50%, and the steel fibers in the waste tires have the advantages of high strength and good toughness. On the other hand, the population of China is numerous, the annual waste textiles can reach 2000 ten thousand tons, and the regeneration utilization rate of the waste textiles is less than 20 percent. Polyvinyl alcohol fibers widely used in the textile field are paid attention to by researchers due to the characteristics of strong corrosion resistance, good adhesion with geopolymer, good affinity and the like.
Disclosure of Invention
The invention provides an anti-penetration solid waste ultra-high ductility geopolymer composite material and a preparation method thereof.
The technical scheme adopted for solving the technical problems is as follows: the composite material comprises a hybrid fiber reinforced scrap collection ultra-high performance geopolymer composite layer, a steel wire mesh reinforced scrap collection ultra-high ductility geopolymer composite layer and a short straight steel fiber reinforced scrap collection ultra-high ductility geopolymer composite layer which are distributed in sequence from bottom to top, wherein:
the hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer consists of solid waste collection ultra-high ductility geopolymer slurry and hybrid steel fibers;
the steel wire mesh reinforced solid waste collection ultra-high ductility geopolymer composite layer consists of solid waste collection ultra-high ductility geopolymer slurry, a steel fiber mesh and short straight steel fibers;
the short straight steel fiber reinforced solid waste collection ultrahigh ductility geopolymer composite layer consists of solid waste collection ultrahigh ductility geopolymer slurry and short straight steel fibers;
the solid waste collection ultra-high ductility geopolymer slurry in the hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer, the steel wire mesh reinforced solid waste collection ultra-high ductility geopolymer composite layer and the short straight steel fiber reinforced solid waste collection ultra-high ductility geopolymer composite layer are the same in proportion;
the solid waste collection ultra-high ductility geopolymer slurry comprises the following components in percentage by mass:
20 to 30 percent of fine aggregate
31.5 to 43 percent of industrial waste residue
9.5 to 11 percent of metakaolin
25 to 30 percent of alkali activator
0.5 to 1 percent of polyvinyl alcohol fiber.
As a further preferred aspect of the present invention, the fine aggregate is river sand; the industrial waste residue is one or two of silica fume and slag with the particle size of micron; the particle size of the metakaolin is 2 mu m, and the specific surface area is 25000m2/kg; the alkali activator is obtained by mixing 10mol/L sodium hydroxide aqueous solution and water glass solution according to a mass ratio of 3:7; the length of the polyvinyl alcohol fiber is 12mm, the tensile strength is 1600MPa, the density is 1300kg/m < 3 >, and the viscosity temperature coefficient is 0.6.
As a further preferred aspect of the present invention, the hybrid steel fibers in the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer consist of one or two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers;
and uniformly dispersing the hybrid steel fibers in the ultra-high ductility geopolymer slurry to obtain the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer.
As a further preferred aspect of the present invention, the volume ratio of the hybrid steel fibers in the hybrid fiber reinforced solid waste ultra-high performance polymer composite layer is 7% to 10%.
As a further preferred aspect of the present invention, the steel wire mesh reinforcing solid waste ultra-high ductility polymer composite layer has a steel fiber mesh content of not less than 6% and a short straight steel fiber content of 5%.
As a further preferred aspect of the present invention, the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer has a short straight steel fiber content of 2% to 5%.
As a further preferred aspect of the present invention, the steel fiber net density is 7800kg/m3 and the tensile strength is 1150MPa.
As a further preferred aspect of the present invention, the long straight steel fiber in the hybrid fiber reinforced solid waste ultra-high performance polymer composite layer has a diameter of 1mm, a length of 20mm and an aspect ratio of 20; the diameter of the short straight steel fiber is 0.18-0.23 mm, and the length is 12-14 mm; the end hook steel fiber has a diameter of 0.75mm, a length of 60mm and an aspect ratio of 80.
The preparation method of the anti-penetration solid waste collection ultrahigh ductility geopolymer composite material comprises the following steps:
step S1, preparing solid waste collection ultra-high ductility geopolymer slurry:
step S1-1, firstly weighing fine aggregate, industrial waste residues and metakaolin according to a proportion, and then putting the fine aggregate, the industrial waste residues and the metakaolin into a stirrer for uniform mixing;
s1-2, adding an alkali activator into a stirrer to change a solid raw material from a dispersion state into a viscous slurry state, adding polyvinyl alcohol fibers, and uniformly distributing vibration in the slurry;
s2, preparing a hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer:
s2-1, adding hybrid steel fibers consisting of two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and obtaining hybrid fiber reinforced solid waste collection ultrahigh-performance geopolymer composite layer slurry through vibrating;
s2-2, pouring the slurry of the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer prepared in the step S2-1 into a mold to form a hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer serving as a bottom layer;
s3, preparing a steel wire mesh reinforced waste collection ultra-high ductility geopolymer composite layer:
s3-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to form a short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer;
s3-2, pouring a proper amount of the short straight steel fiber reinforced solid waste ultra-high performance geopolymer prepared in the step S3-1 into a die, and adding at least one layer of steel fiber net to form a steel wire net reinforced solid waste ultra-high ductility geopolymer composite layer serving as an intermediate layer;
s4, preparing a short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer:
s4-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to obtain short straight steel fiber reinforced solid waste collection ultrahigh-ductility geopolymer composite layer slurry;
s4-2, pouring the slurry of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer prepared in the step S4-1 into a mold to form a short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer serving as an upper layer;
s5, preparing an anti-penetration solid waste collection ultra-high ductility geopolymer composite material:
covering the surface of the upper layer with a plastic film, and naturally curing under the conditions of normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer composite material.
As a further preferred aspect of the present invention, the natural curing time is not less than 28 days.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the steel fibers extracted from the waste tires and the polyvinyl alcohol fibers extracted from the waste textiles are added into the geopolymer, so that the compressive strength and ductility of the material are improved, the penetration resistance is enhanced, the utilization rate of solid wastes is improved, the environment-friendly cost is low, and the sustainable development is facilitated.
2. The addition of the steel fiber can enhance the compressive strength, the addition of the polyvinyl alcohol fiber can improve the ductility, the diameter and depth of the explosion pit are reduced, the volume and the peeling damage of the explosion pit are reduced, and the crack development is effectively prevented.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the penetration-resistant solid waste collection ultra-high ductility polymer composite of the present invention.
In the figure: 1. short straight steel fibers strengthen the solid waste collection ultra-high ductility geopolymer composite layer; 2. the steel wire mesh strengthens the ultra-high ductility geopolymer composite layer of the solid waste collection; 3. the hybrid fiber strengthens the ultra-high performance geopolymer composite layer of the solid waste collection.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and "first", "second", etc. do not indicate the importance of the components, and thus are not to be construed as limiting the present invention. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
The application provides an anti-penetration solid waste collection ultra-high ductility geopolymer composite material, including from down supreme mixed fiber reinforcement useless collection ultra-high performance geopolymer composite layer 3 that distributes in proper order, steel wire mesh reinforcement useless collection ultra-high ductility geopolymer composite layer 2, short straight steel fiber reinforcement useless collection ultra-high ductility geopolymer composite layer 1, wherein:
the hybrid fiber reinforced ultra-high performance geopolymer composite layer 3 is composed of a solid waste ultra-high ductility geopolymer slurry and hybrid steel fibers. Specifically, the hybrid steel fibers in the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 consist of one or two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers; the hybrid steel fibers are uniformly dispersed in the ultra-high ductility geopolymer slurry to prepare the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3.
Preferably, the volume ratio of the hybrid steel fibers in the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 is 7-10%. The diameter of the long straight steel fiber in the hybrid fiber reinforced solid waste ultra-high performance polymer composite layer 3 is 1mm, the length is 20mm, and the length-diameter ratio is 20; the diameter of the short straight steel fiber is 0.18-0.23 mm, and the length is 12-14 mm; the end hook steel fiber has a diameter of 0.75mm, a length of 60mm and an aspect ratio of 80.
The steel wire mesh reinforced ultra-high ductility geopolymer composite layer 2 consists of solid waste ultra-high ductility geopolymer slurry, a steel fiber mesh and short straight steel fibers. Preferably, the steel wire mesh reinforced solid waste ultra-high ductility polymer composite layer 2 has a steel fiber mesh content of not less than 6% and a short straight steel fiber content of 5%; the density of the steel fiber net is 7800kg/m 3 The tensile strength is 1150MPa.
The short straight steel fiber reinforced solid waste collection ultra-high ductility geopolymer composite layer 1 is composed of solid waste collection ultra-high ductility geopolymer slurry and short straight steel fibers. Preferably, the content of the short straight steel fibers in the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 is 2% -5%.
The solid waste collection ultra-high ductility geopolymer slurry in the hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer 3, the steel wire mesh reinforced solid waste collection ultra-high ductility geopolymer composite layer 2 and the short straight steel fiber reinforced solid waste collection ultra-high ductility geopolymer composite layer 1 are the same in proportion. Specifically, the solid waste collection ultra-high ductility geopolymer slurry comprises the following components in percentage by mass:
20 to 30 percent of fine aggregate
31.5 to 43 percent of industrial waste residue
9.5 to 11 percent of metakaolin
25 to 30 percent of alkali activator
0.5 to 1 percent of polyvinyl alcohol fiber.
Further, the fine aggregate is river sand; the industrial waste residue is one or two of silica fume and slag with the particle size of micron; the particle size of the metakaolin is 2 mu m, and the specific surface area is 25000m 2 /kg; the alkali activator is obtained by mixing 10mol/L sodium hydroxide aqueous solution and water glass solution according to a mass ratio of 3:7; the length of the polyvinyl alcohol fiber is 12mm, the tensile strength is 1600MPa, and the density is 1300kg/m 3 The temperature coefficient of viscosity was 0.6.
The application also provides a preparation method of the anti-penetration solid waste collection ultra-high ductility polymer composite material, which comprises the following steps:
step S1, preparing solid waste collection ultra-high ductility geopolymer slurry:
step S1-1, firstly weighing fine aggregate, industrial waste residues and metakaolin according to a proportion, and then putting the fine aggregate, the industrial waste residues and the metakaolin into a stirrer for uniform mixing;
s1-2, adding an alkali activator into a stirrer to change a solid raw material from a dispersion state into a viscous slurry state, adding polyvinyl alcohol fibers, and uniformly distributing vibration in the slurry;
step S2, preparing a hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer 3:
s2-1, adding hybrid steel fibers consisting of two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and obtaining hybrid fiber reinforced solid waste collection ultrahigh-performance geopolymer composite layer slurry through vibrating;
s2-2, pouring the slurry of the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer prepared in the step S2-1 into a mold to form a hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer;
s3, preparing a steel wire mesh reinforced waste collection ultra-high ductility geopolymer composite layer 2:
s3-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to form a short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer;
s3-2, pouring a proper amount of the short straight steel fiber reinforced solid waste ultra-high performance geopolymer prepared in the step S3-1 into a die, and adding at least one layer of steel fiber net to form a steel wire net reinforced solid waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer;
s4, preparing a short straight steel fiber reinforced solid waste collection ultrahigh ductility geopolymer composite layer 1:
s4-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to obtain short straight steel fiber reinforced solid waste collection ultrahigh-ductility geopolymer composite layer slurry;
s4-2, pouring the slurry of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer prepared in the step S4-1 into a mold to form a short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer 1 serving as an upper layer;
s5, preparing an anti-penetration solid waste collection ultra-high ductility geopolymer composite material:
covering the surface of the upper layer with a plastic film, and naturally curing under the conditions of normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer composite material. Preferably, the natural curing time is not less than 28 days.
The present invention will be described in further detail with reference to examples and drawings.
Example 1
Weighing the following raw materials in percentage by mass: 20% of fine aggregate, 79% of cementing material (39.5% of slag, 23.7% of metakaolin and 15.8% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared slurry of the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a die, and adding a layer of steel fiber net to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the steel fiber net layer is distributed in the middle of the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering the surface of the mould with a plastic film, and naturally curing for 28 days under the conditions of normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer composite material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 122.7MPa, the strain is 9.8%, the vertical penetration depth is 124.6mm, and the target surface pit area is 26.1mm < 2 >; the compressive strength of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite material is 176.4MPa, the strain is 16.2%, the vertical penetration depth is 109.7mm, and the target surface pit area is 18.4mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility polymer composite material with solid waste collection to 186.1MPa, the strain to 16.8 percent, the vertical penetration depth to 86mm and the target surface pit area to 16.7mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 237.4MPa, the strain is 19.3%, the vertical penetration depth is 56mm, the target surface pit area is 10.5mm < 2 > (bullet diameter is 30mm, and the bullet speed is 330 m/s).
Example 2
The difference with example 1 is that the raw materials are weighed according to the following mass percentages: 20% of fine aggregate, 79% of cementing material (39.5% of slag, 23.7% of metakaolin and 15.8% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared hybrid fiber reinforced solid waste ultra-high performance geopolymer composite material into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a die, and adding a layer of steel fiber net to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the steel fiber net layer is distributed in the middle of the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 2% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering a plastic film on the surface of the die, and curing for 28 days at normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 121.9MPa, the strain is 9.4%, the vertical penetration depth is 127.1mm, and the target surface pit area is 29.1mm < 2 >; the compressive strength of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite material is 137.9MPa, the strain is 12.8%, the vertical penetration depth is 121.3mm, and the target surface pit area is 22.7mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility polymer composite material with the solid waste collection to 188.4MPa, the strain to 17.5%, the vertical penetration depth to 82mm and the target surface pit area to 15.9mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 233.2MPa, the strain is 18.7%, the vertical penetration depth is 60mm, the target surface pit area is 12.3mm < 2 > (bullet diameter is 30mm, and the bullet speed is 330 m/s).
Example 3
The difference with example 1 is that the raw materials are weighed according to the following mass percentages: 20% of fine aggregate, 79% of cementing material (47.4% of slag, 15.8% of metakaolin and 15.8% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared hybrid fiber reinforced solid waste ultra-high performance geopolymer composite material into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a die, and adding a layer of steel fiber net to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the steel fiber net layer is distributed in the middle of the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering a plastic film on the surface of the die, and curing for 28 days at normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 121.5MPa, the strain is 9.1%, the vertical penetration depth is 128.3mm, and the target surface pit area is 28.4mm < 2 >; the compressive strength of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite material is 175.9MPa, the strain is 16.9%, the vertical penetration depth is 108.5mm, and the target surface pit area is 17.2mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility polymer composite material with the solid waste collection to 184.5MPa, the strain to 17.7%, the vertical penetration depth to 90mm and the target surface pit area to 17.7mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 235.6MPa, the strain is 19.1%, the vertical penetration depth is 58mm, the target surface pit area is 11.2mm < 2 > (bullet diameter is 30mm, and the bullet speed is 330 m/s).
Example 4
The difference with example 1 is that the raw materials are weighed according to the following mass percentages: 20% of fine aggregate, 79% of cementing material (47.4% of slag, 15.8% of metakaolin and 15.8% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared hybrid fiber reinforced solid waste ultra-high performance geopolymer composite material into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a mould, and adding two layers of steel fiber nets to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the two layers of steel fiber nets are equidistantly distributed in the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering a plastic film on the surface of the die, and curing for 28 days at normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 123.6MPa, the strain is 10.1%, the vertical penetration depth is 130.2mm, and the target surface pit area is 25.7mm < 2 >; the short straight steel fibers strengthen the compressive strength 176.2MPa of the ultra-high ductility polymer composite material with solid waste collection, the strain is 16 percent, the vertical penetration depth is 110.1mm, and the area of a target surface pit is 18.7mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility polymer composite material with the solid waste collection to 203.7MPa, the strain to 18.7 percent, the vertical penetration depth to 65mm and the target surface pit area to 14.3mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 233.7MPa, the strain is 18.6%, the vertical penetration depth is 59mm, the target surface pit area is 11.9mm < 2 > (the bullet diameter is 30mm, and the bullet speed is 330 m/s).
Example 5
The difference with example 1 is that the raw materials are weighed according to the following mass percentages: 20% of fine aggregate, 79% of cementing material (55.3% of slag, 15.8% of metakaolin and 7.9% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared slurry of the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a die, and adding a layer of steel fiber net to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the steel fiber net layer is distributed in the middle of the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering a plastic film on the surface of the die, and curing for 28 days at normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 124.1MPa, the strain is 9.3%, the vertical penetration depth is 119.6mm, and the target surface pit area is 25.2mm < 2 >; the compressive strength of the short straight steel fiber reinforced solid waste ultra-high ductile polymer composite material is 178.2MPa, the strain is 15.8%, the vertical penetration depth is 107.9mm, and the target surface pit area is 18.6mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility polymer composite material with the solid waste collection to 185.7MPa, the strain to 17.4 percent, the vertical penetration depth to 79mm and the target surface pit area to 16.2mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 240.8MPa, the strain is 20.4%, the vertical penetration depth is 51mm, the target surface pit area is 9.3mm < 2 > (bullet diameter is 30mm, and the bullet speed is 330 m/s).
Example 6
The difference with example 1 is that the raw materials are weighed according to the following mass percentages: 20% of fine aggregate, 79% of cementing material (55.3% of slag, 15.8% of metakaolin and 7.9% of silica fume) and 300r/min of stirring for 2 minutes, and uniformly mixing; adding an alkali activator (the ratio of the total mass of the cementing material and the fine aggregate to the alkali activator is 1kg:300 ml) into a stirrer, stirring for 2 minutes at 400r/min to change the solid raw material from a dispersed state into a viscous slurry state, adding polyvinyl alcohol fibers (1% of the total mass of the cementing material and the fine aggregate), and stirring for 2 minutes at 400r/min to obtain the solid waste collection ultra-high ductility polymer slurry.
Adding 3% long straight steel fibers, 2% short straight steel fibers and 5% end hook steel fibers into a stirrer to prepare a mixed fiber reinforced solid waste ultra-high performance polymer composite layer slurry; pouring the prepared hybrid fiber reinforced solid waste ultra-high performance geopolymer composite material into a mould, vibrating for 1 min to form the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 serving as a bottom layer.
Repeating the steps for preparing the solid waste collection ultrahigh-ductility geopolymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to prepare the short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer; pouring the prepared short straight steel fiber reinforced ultra-high ductility geopolymer into a die, and adding a layer of steel fiber net to form a steel wire net reinforced waste ultra-high ductility geopolymer composite layer 2 serving as an intermediate layer; the steel fiber net layer is distributed in the middle of the middle layer.
Repeating the steps for preparing the ultra-high ductility polymer slurry, and adding short straight steel fibers with the volume doping amount of 5% into a stirrer to obtain the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer slurry; and pouring the prepared slurry of the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer into a mould to form the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer 1 serving as an upper layer.
Covering a plastic film on the surface of the die, and curing for 28 days at normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer material.
The anti-penetration solid waste collection ultra-high ductility polymer composite material prepared by the components according to the process has the following measured relevant mechanical properties: the compressive strength of the solid waste collection ultra-high ductile geopolymer slurry is 122.6MPa, the strain is 9.5%, the vertical penetration depth is 123.7mm, and the target surface pit area is 26.4mm < 2 >; the compressive strength of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite material is 175.9MPa, the strain is 16.4%, the vertical penetration depth is 109.6mm, and the target surface pit area is 18.5mm < 2 >; the steel wire mesh enhances the compressive strength of the ultra-high ductility geopolymer composite material of the solid waste collection to 187.5MPa, the strain to 18.4%, the vertical penetration depth to 82mm and the target surface pit area to 15.9mm < 2 >; the compressive strength of the hybrid fiber reinforced ultra-high performance geopolymer composite material is 189.3MPa, the strain is 15.6%, the vertical penetration depth is 79mm, the target surface pit area is 16.8mm < 2 > (the bullet diameter is 30mm, and the bullet speed is 330 m/s).
Comparative examples 1 and 2 found that short straight steel fibers with 5% steel fiber content were the most penetration resistant; comparative examples 3 and 4 found that 6% content of steel wire mesh is significantly better than steel fibers in terms of enhanced crack resistance; by comparing examples 5 and 6, it was found that the hybrid steel fiber reinforced ultra-high ductile polymer composite with 5% end hook steel fiber content had the strongest impact spalling resistance.
The method utilizes renewable resources and construction waste as raw materials, is environment-friendly and low in cost, and the regenerated textile fibers can improve the ductility of geopolymers and the steel fibers can improve the stability of the structure. The bottom hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer 3 can improve the energy absorption effect and the compressive strength; the middle layer steel wire mesh reinforced solid waste ultra-high ductility polymer composite layer 2 can further absorb shock waves and ensure structural integrity; the upper short straight steel fiber reinforced waste collection ultra-high ductility geopolymer composite layer 1 can play a role in preliminary penetration resistance.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as referred to in this application means that each exists alone or both.
As used herein, "connected" means either a direct connection between elements or an indirect connection between elements via other elements.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. An anti-penetration solid waste collection ultra-high ductility geopolymer composite material, which is characterized in that: the method comprises a hybrid fiber reinforced solid waste collection ultrahigh-performance geopolymer composite layer, a steel wire mesh reinforced solid waste collection ultrahigh-ductility geopolymer composite layer and a short straight steel fiber reinforced solid waste collection ultrahigh-ductility geopolymer composite layer which are distributed in sequence from bottom to top, wherein:
the hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer consists of solid waste collection ultra-high ductility geopolymer slurry and hybrid steel fibers;
the steel wire mesh reinforced solid waste collection ultra-high ductility geopolymer composite layer consists of solid waste collection ultra-high ductility geopolymer slurry, a steel fiber mesh and short straight steel fibers;
the short straight steel fiber reinforced solid waste collection ultrahigh ductility geopolymer composite layer consists of solid waste collection ultrahigh ductility geopolymer slurry and short straight steel fibers;
the solid waste collection ultra-high ductility geopolymer slurry in the hybrid fiber reinforced solid waste collection ultra-high performance geopolymer composite layer, the steel wire mesh reinforced solid waste collection ultra-high ductility geopolymer composite layer and the short straight steel fiber reinforced solid waste collection ultra-high ductility geopolymer composite layer are the same in proportion;
the solid waste collection ultra-high ductility geopolymer slurry comprises the following components in percentage by mass:
20 to 30 percent of fine aggregate
31.5 to 43 percent of industrial waste residue
9.5 to 11 percent of metakaolin
25 to 30 percent of alkali activator
0.5 to 1 percent of polyvinyl alcohol fiber;
the fine aggregate is river sand; the industrial waste residue is one or two of silica fume and slag with the particle size of micron; the particle size of the metakaolin is 2 mu m, and the specific surface area is 25000m 2 /kg; the alkali activator is obtained by mixing 10mol/L sodium hydroxide aqueous solution and water glass solution according to a mass ratio of 3:7; the length of the polyvinyl alcohol fiber is 12mm, the tensile strength is 1600MPa, and the density is 1300kg/m 3 A viscosity temperature coefficient of 0.6;
the hybrid fiber reinforced composite layer comprises a composite layer of a polymer with ultra-high performance and a reinforcing fiber, wherein the hybrid steel fiber in the composite layer of the polymer with ultra-high performance comprises one or two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers;
uniformly dispersing the hybrid steel fibers in the ultra-high ductility geopolymer slurry to obtain the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer;
the content of steel fiber net in the steel wire net reinforced solid waste ultra-high ductility polymer composite layer is not less than 6%, and the content of short straight steel fiber is 5%;
the content of the short straight steel fiber in the short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer is 2% -5%;
the steel fiber net density is 7800kg/m 3 The tensile strength is 1150MPa;
the diameter of the long straight steel fiber in the hybrid fiber reinforced solid waste ultra-high performance polymer composite layer is 1mm, the length is 20mm, and the length-diameter ratio is 20; the diameter of the short straight steel fiber is 0.18-0.23 mm, and the length is 12-14 mm; the end hook steel fiber has a diameter of 0.75mm, a length of 60mm and an aspect ratio of 80.
2. The penetration-resistant solid waste collection ultra-high ductility geopolymer composite of claim 1, wherein: the volume ratio of the hybrid steel fibers in the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer is 7-10%.
3. A method of preparing the penetration-resistant solid waste collection ultra-high ductility polymer composite of any one of claims 1-2, comprising the steps of:
step S1, preparing solid waste collection ultra-high ductility geopolymer slurry:
step S1-1, firstly weighing fine aggregate, industrial waste residues and metakaolin according to a proportion, and then putting the fine aggregate, the industrial waste residues and the metakaolin into a stirrer for uniform mixing;
s1-2, adding an alkali activator into a stirrer to change a solid raw material from a dispersion state into a viscous slurry state, adding polyvinyl alcohol fibers, and uniformly distributing vibration in the slurry;
s2, preparing a hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer:
s2-1, adding hybrid steel fibers consisting of two or three of long straight steel fibers, short straight steel fibers and end hook steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and obtaining hybrid fiber reinforced solid waste collection ultrahigh-performance geopolymer composite layer slurry through vibrating;
s2-2, pouring the slurry of the hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer prepared in the step S2-1 into a mold to form a hybrid fiber reinforced solid waste ultra-high performance geopolymer composite layer serving as a bottom layer;
s3, preparing a steel wire mesh reinforced waste collection ultra-high ductility geopolymer composite layer:
s3-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to form a short straight steel fiber reinforced solid waste collection ultrahigh-performance geopolymer;
s3-2, pouring a proper amount of the short straight steel fiber reinforced solid waste ultra-high performance geopolymer prepared in the step S3-1 into a die, and adding at least one layer of steel fiber net to form a steel wire net reinforced solid waste ultra-high ductility geopolymer composite layer serving as an intermediate layer;
s4, preparing a short straight steel fiber reinforced solid waste ultra-high ductility geopolymer composite layer:
s4-1, adding short straight steel fibers into the solid waste collection ultrahigh-ductility geopolymer slurry prepared in the step S1, and uniformly vibrating to obtain short straight steel fiber reinforced solid waste collection ultrahigh-ductility geopolymer composite layer slurry;
s4-2, pouring the slurry of the short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer prepared in the step S4-1 into a mold to form a short straight steel fiber reinforced solid waste ultra-high ductility polymer composite layer serving as an upper layer;
s5, preparing an anti-penetration solid waste collection ultra-high ductility geopolymer composite material:
covering the surface of the upper layer with a plastic film, and naturally curing under the conditions of normal temperature and normal humidity to obtain the anti-penetration solid waste collection ultrahigh ductility polymer composite material.
4. A method of preparation as claimed in claim 3, wherein: the natural curing time is not less than 28 days.
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