CN115745456B - Concrete reinforcing modifier and preparation process thereof - Google Patents
Concrete reinforcing modifier and preparation process thereof Download PDFInfo
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- CN115745456B CN115745456B CN202211324910.6A CN202211324910A CN115745456B CN 115745456 B CN115745456 B CN 115745456B CN 202211324910 A CN202211324910 A CN 202211324910A CN 115745456 B CN115745456 B CN 115745456B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 92
- 239000004567 concrete Substances 0.000 title claims abstract description 77
- 239000003607 modifier Substances 0.000 title claims abstract description 55
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 239
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 116
- 238000005336 cracking Methods 0.000 claims abstract description 77
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 56
- 239000003822 epoxy resin Substances 0.000 claims abstract description 56
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 28
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000440 bentonite Substances 0.000 claims abstract description 19
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 19
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000006004 Quartz sand Substances 0.000 claims abstract description 17
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 17
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 16
- 238000012986 modification Methods 0.000 claims abstract description 10
- 230000004048 modification Effects 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 77
- 229910000831 Steel Inorganic materials 0.000 claims description 54
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- 239000010959 steel Substances 0.000 claims description 54
- 238000007873 sieving Methods 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 36
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims description 27
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 27
- 239000010962 carbon steel Substances 0.000 claims description 27
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910021389 graphene Inorganic materials 0.000 claims description 20
- 238000010298 pulverizing process Methods 0.000 claims description 20
- 239000008213 purified water Substances 0.000 claims description 20
- 239000002562 thickening agent Substances 0.000 claims description 20
- 239000004743 Polypropylene Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- -1 polypropylene Polymers 0.000 claims description 17
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 239000003112 inhibitor Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000011874 heated mixture Substances 0.000 claims description 8
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 14
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000012615 aggregate Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000012669 compression test Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N phthalic anhydride Chemical compound C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a concrete reinforcing modifier and a preparation process thereof, belonging to the field of concrete modification, wherein the reinforcing modifier comprises, by weight, 30-35 parts of modified wear-resistant agent, 30-35 parts of modified anti-cracking agent, 3-5 parts of bentonite, 1-2 parts of quartz sand, 8-10 parts of auxiliary agent, 1-3 parts of sodium silicate, 1-3 parts of diatomite and 3-5 parts of deionized water; the modified wear-resistant agent contains modified epoxy resin, ceramic fiber and nano calcium carbonate, the modified epoxy resin, the ceramic fiber and the nano calcium carbonate have good wear resistance, and the wear resistance of the modifier can be improved, so that the sand forming phenomenon of the hardened surface of concrete is reduced, the plastic shrinkage crack during the use process can be effectively reduced by the added modified crack-resistant agent, and the fracture toughness of the concrete can be effectively improved by the structural reinforcing fiber in the modified crack-resistant agent, so that the fracture resistance effect and the crack resistance effect are improved, and the safety performance and the crack resistance performance are improved.
Description
Technical Field
The invention relates to the technical field of concrete modification, in particular to a concrete reinforcing modifier and a preparation process thereof.
Background
The concrete is a composite material which is formed by configuring gel materials, aggregate and water according to proper proportion and hardening for a certain time.
The concrete has high hardness, wide raw material sources and low cost, and is widely applied to the construction work of houses, highways, military projects, nuclear power plants and the like, and the concrete needed to be used in different construction processes is different.
After the concrete in the prior art is hardened, the strength of the hardened surface may be further improved, the phenomenon of sand generation may occur during use, normal use and aesthetic quality are affected, in addition, the concrete in the prior art may cause cracking fault conditions due to maintenance problems during the period of time from pouring to hardening, the safety and the resistance are further improved, the strength and the resistance of the concrete in the prior art may not meet the construction requirements gradually along with the gradual increase of the height of a building and the gradual increase of the span of a bridge.
Disclosure of Invention
The invention aims to solve the problems of low surface hardness and poor resistance of concrete in the prior art and provides a concrete reinforcing modifier and a preparation process thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the reinforcing modifier comprises, by weight, 30-35 parts of a modified wear-resistant agent, 30-35 parts of a modified anti-cracking agent, 3-5 parts of bentonite, 1-2 parts of quartz sand, 8-10 parts of an auxiliary agent, 1-3 parts of sodium silicate, 1-3 parts of diatomite and 3-5 parts of deionized water;
in order to improve the wear resistance of concrete, the modified wear-resistant agent comprises, by weight, 35-45 parts of modified epoxy resin, 10-15 parts of ceramic fiber, 15-20 parts of nano calcium carbonate, 5-8 parts of purified water, 1-3 parts of thickener and 8-10 parts of graphene;
in order to improve the cracking resistance of concrete, the modified cracking resistance agent comprises, by weight, 30-40 parts of cracking resistance fibers, 30-40 parts of structural reinforcing fibers, 5-10 parts of nano silicon dioxide, 1-2 parts of defoamer, 1-2 parts of stabilizer, 1-3 parts of polypropylene fibers and 1-2 parts of rust inhibitor.
Preferably, the specific preparation steps of the modified wear-resistant agent are as follows:
a1, 35-45 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 10-15 parts of ceramic fibers, putting into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 15-20 parts of nano calcium carbonate is taken and put into a mixing bucket;
a5, adding 5-8 parts of purified water, and soaking for 30-40min;
a6, adding 8-10 parts of graphene, and then fully stirring for 50-60min;
and A7, adding 1-3 parts of thickener, and stirring for 20-40min to obtain the modified wear-resistant agent.
Wherein in the preparation step, the evaluation of different component information of the modified antiwear agent in the preparation process is improved through a big data function model, wherein:
assuming modified epoxyAny one component type of resin, ceramic fiber, nano calcium carbonate, purified water, graphene and thickener is denoted as a, m a The set concrete reinforcement modification meets the quality standard parameters, c represents the modified epoxy resin multivariable parameters, k represents the modified wear-resistant agent coefficient, whenWhen the modified epoxy resin component is in a state, the bit value of each component data in different component types a is 1, and the modified epoxy resin component evaluation function is as follows:
in formula (1): e, e a Representing a set of all data components within the modified epoxy resin; e, e 1 、e 2 Respectively representing the impurity rate and the purity rate of the modified epoxy resin in the preparation process; the combined evaluation function of the modified epoxy resin after each component maintains integrity in the output process is recorded as:
in formula (2):information set of component data representing modified epoxy resin after completion of preparation, k 2 、 k 1 Respectively representing error coefficients of components of the to-be-called modified epoxy resin, ceramic fiber, nano calcium carbonate, purified water, graphene and thickener, which are influenced by the environment, and purity coefficients of the components of the to-be-called modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener, which are influenced by the environment; a, a i And (5) representing a property collection of the components of the modified wear-resistant agent combination proportion.
In order to improve the cracking resistance and the fracture resistance of the concrete, the cracking resistant fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber.
In order to improve the cracking resistance and the fracture resistance of the concrete, the mass ratio of the steel fiber to the polyester fiber is 1:1.
In order to improve the cracking resistance and the fracture resistance of the concrete, the mass ratio of the carbon-steel fiber to the nano aluminum titanate fiber to the steel fiber to the polyester fiber is 3:2:1:1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, placing 30-40 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 30-40 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 10-15min;
adding 1-2 parts of defoaming agent and 1-2 parts of stabilizing agent into the mixer, and fully mixing for 5-8min;
b7, taking 1-3 parts of polypropylene fibers and putting into a mixer to fully mix for 10-15min
B8, standing for 5-8min, and then adding 1-2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 20-30min to obtain the modified anti-cracking agent.
The preparation process of the concrete reinforcing modifier comprises the following specific preparation steps:
step one, taking 3-5 parts of bentonite, 1-3 parts of sodium silicate and 1-3 parts of diatomite, and putting the bentonite and the diatomite into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 1-2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 3-5 parts of deionized water into the preparation machine, and starting mixing and stirring for 5-10min;
step six, adding 30-35 parts of modified wear-resistant agent and 30-35 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 8-10 parts of auxiliary agent are taken and put into a preparation machine for final mixing and stirring for 20-25min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
Preferably, the auxiliary agents added in the step seven comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Compared with the prior art, the invention provides the concrete reinforcing modifier and the preparation process thereof, and has the following beneficial effects:
1. in the preparation process of the reinforcing modifier, the modified wear-resistant agent contains modified epoxy resin, ceramic fiber and nano calcium carbonate, and the modified epoxy resin, the ceramic fiber and the nano calcium carbonate have good wear resistance and can improve the wear resistance of the modifier, so that the sand-forming phenomenon of the hardened surface of the concrete is reduced.
2. In the preparation process of the reinforcing modifier, the added modified anti-cracking agent can effectively reduce plastic shrinkage cracks in the use process, and the structural reinforcing fibers in the modified anti-cracking agent can effectively improve the fracture toughness of concrete, so that the fracture resistance effect and the anti-cracking effect are improved, and the safety performance and the anti-cracking performance are improved.
3. In the preparation process of the reinforcing modifier, the anti-cracking effect of the anti-cracking fiber can be better through the mass ratio of the added steel fiber to the polyester fiber being 1:1, and the synergistic capability among the fibers can be improved through the mass ratio of the added carbon-steel fiber, the nano aluminum titanate fiber, the steel fiber and the polyester fiber being 3:2:1:1, so that the strength and the bending toughness of the concrete are further improved, and meanwhile, the ductility of the concrete and the crack cracking inhibition performance of the concrete can be improved through the added various fibers.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or indicate the orientation or positional relationship shown, but are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
the reinforced concrete modifier comprises, by weight, 32 parts of modified wear-resistant agent, 32 parts of modified cracking-resistant agent, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The modified wear-resistant agent comprises, by weight, 40 parts of modified epoxy resin, 12 parts of ceramic fibers, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickener and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, 40 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 12 parts of ceramic fibers, putting the ceramic fibers into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 18 parts of nano calcium carbonate is taken and put into a mixing barrel;
a5, adding 7 parts of purified water, and soaking for 35min;
a6, adding 9 parts of graphene, and then fully stirring for 55min;
and A7, adding 2 parts of thickener, and stirring for 30min to obtain the modified wear-resistant agent.
Wherein in the preparation step, the evaluation of different component information of the modified antiwear agent in the preparation process is improved through a big data function model, wherein:
assuming that any one of the component types of the modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener is denoted as a, in a specific embodiment, different parameters are denoted as component type parameters of different data attributes, and when component data information is evaluated, the a value can be arbitrarily said, and in this way, the proportion of contract components in the preparation of the concrete reinforcing modifier can be randomly calculated. m is m a The concrete reinforcing modification set accords with the quality standard parameters, and the data information application capability can be improved in specific applications such as setting the proportioning data information meeting the user requirements or the concrete reinforcing modification meeting the quality standard.
Big data are applied in various fields nowadays, and the big data become a critical factor for competition among industries. Along with the continuous penetration of big data, the data information of different parameters can be predicted more comprehensively and accurately in the future, and in the specific application process, the epoxy resin has strong cohesive force and compact molecular structure, so that the mechanical property of the epoxy resin is higher than that of phenolic resin, unsaturated polyester and other general thermosetting resins. For example, in a specific application process, the modified epoxy resin is toughened with liquid carboxyl terminated nitrile rubber (CTBN): the addition amount is generally 10%, preferably 18-30% of CTBN, and 30% of CTBN may be usedSilica dioxideTo avoid a decrease in intensity after CTBN addition. Such as 100 parts of epoxy resin and 25 partsPolypropylene (PP) Olefine acidN-butyl ester is synthesized into an interpenetrating network system of the n-butyl ester and the n-butyl ester by a synchronous method, and 30 parts of the n-butyl ester is added simultaneouslyPhthalic anhydrideAn appropriate amount ofDoll (doll) Azodiisobutyronitrile、Diallyl phthalateThe impact strength can be improved by 1.3 times, and the tensile strength is slightly improved. In a specific application, the application capability of the concrete reinforcing modifier can be improved by mixing and applying different parameter information into the modified wear-resistant agent. Different data information is reflected by the multivariable parameters of the modified epoxy resin, the coefficient of the modified antiwear agent and the like, so that the application capability of the modified antiwear agent can be improved. Wherein c represents a modified epoxy treeLipid multivariable parameters, k represents the modified antiwear agent coefficient whenWhen the modified epoxy resin component is in a state, the bit value of each component data in different component types a is 1, and the modified epoxy resin component evaluation function is as follows:
in formula (1): e, e a Representing a set of all data components within the modified epoxy resin; e, e 1 、e 2 Respectively representing the impurity rate and the purity rate of the modified epoxy resin in the preparation process; all data components in the modified epoxy resin are gathered in a specific process, and the modified epoxy resin is toughened by liquid carboxyl terminated nitrile rubber (CTBN): the addition amount is generally 10%, preferably 18-30% of CTBN, and 30% of CTBN may be usedSilica dioxideTo avoid a decrease in intensity after CTBN addition. In the process of calculating the proportion of the modified epoxy resin and other data information, how to improve all data component sets and related data information sets in the modified epoxy resin is also a technical problem to be solved urgently. In a specific embodiment, the modified epoxy resin paint is a double-component, low-VOC-content, thick-paste-type and modified epoxy shielding paint, and a single-pass coating is constructed, namely the modified epoxy resin paint has a long-term protection effect. Different proportions are adopted, so that different data information evaluations are easily caused, wherein a combined evaluation function of the modified epoxy resin after each component keeps integrity in the output process is recorded as:
in formula (2):information set of component data representing modified epoxy resin after completion of preparation, k 2 、 k 1
Respectively represent to-be-called modified epoxy resin, ceramic fiber, nano calcium carbonate, purified water, graphene anderror coefficients of the thickener component types affected by the environment and purity coefficients affected by the environment; a, a i And (5) representing a property collection of the components of the modified wear-resistant agent combination proportion.
In the concrete embodiment, the process is used for improving the influence degree of different components in the concrete reinforcing modifier in the concrete application process in the proportioning process, and can improve the influence degree of the concrete reinforcing modifier and the like.
In a specific embodiment, the modified anti-cracking agent comprises, by weight, 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoamer, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor.
The anti-cracking fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber.
The mass ratio of the steel fiber to the polyester fiber is 1:1.
The mass ratio of the carbon-steel fiber to the nano aluminum titanate fiber to the steel fiber to the polyester fiber is 3:2:1:1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, placing 35 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 12min;
b6, adding 2 parts of defoaming agent and 1 part of stabilizing agent into the mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fibers and putting the polypropylene fibers into a mixer to fully mix for 12min
B8, standing for 6min, and adding 2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 25min to obtain the modified anti-cracking agent.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, adding 32 parts of modified wear-resistant agent and 32 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
In the preparation process of the reinforcing modifier, the modified wear-resistant agent contains modified epoxy resin, ceramic fiber and nano calcium carbonate, and the modified epoxy resin, the ceramic fiber and the nano calcium carbonate have good wear resistance and can improve the wear resistance of the modifier.
The modified cracking resistance agent is added, so that the cracking resistance fibers contained in the modified cracking resistance agent can effectively reduce plastic shrinkage cracks in the using process, and the structural reinforcing fibers in the modified cracking resistance agent can effectively improve the fracture toughness of concrete, so that the fracture resistance effect and the cracking resistance effect are improved.
Example 2:
the reinforced concrete modifier comprises, by weight, 32 parts of a modified cracking resistant agent, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of an auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The modified anti-cracking agent comprises, by weight, 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoamer, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor.
The anti-cracking fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber.
The mass ratio of the steel fiber to the polyester fiber is 1:1.
The mass ratio of the carbon-steel fiber to the nano aluminum titanate fiber to the steel fiber to the polyester fiber is 3:2:1:1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, placing 35 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 12min;
b6, adding 2 parts of defoaming agent and 1 part of stabilizing agent into the mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fibers and putting the polypropylene fibers into a mixer to fully mix for 12min
B8, standing for 6min, and adding 2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 25min to obtain the modified anti-cracking agent.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, adding 32 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Example 3:
the reinforcing modifier comprises, by weight, 32 parts of modified wear-resistant agent, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The modified wear-resistant agent comprises, by weight, 40 parts of modified epoxy resin, 12 parts of ceramic fibers, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickener and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, 40 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 12 parts of ceramic fibers, putting the ceramic fibers into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 18 parts of nano calcium carbonate is taken and put into a mixing barrel;
a5, adding 7 parts of purified water, and soaking for 35min;
a6, adding 9 parts of graphene, and then fully stirring for 55min;
and A7, adding 2 parts of thickener, and stirring for 30min to obtain the modified wear-resistant agent.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, adding 32 parts of modified wear-resistant agent into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Example 4:
the reinforcing modifier comprises, by weight, 60 parts of modified aggregate, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of an auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, 60 parts of modified aggregate is taken and added into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Comparative example 1:
the reinforced concrete modifier comprises, by weight, 32 parts of modified wear-resistant agent, 32 parts of modified cracking-resistant agent, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The modified wear-resistant agent comprises, by weight, 40 parts of modified epoxy resin, 12 parts of ceramic fibers, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickener and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, 40 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 12 parts of ceramic fibers, putting the ceramic fibers into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 18 parts of nano calcium carbonate is taken and put into a mixing barrel;
a5, adding 7 parts of purified water, and soaking for 35min;
a6, adding 9 parts of graphene, and then fully stirring for 55min;
and A7, adding 2 parts of thickener, and stirring for 30min to obtain the modified wear-resistant agent.
The modified anti-cracking agent comprises, by weight, 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoamer, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor.
The anti-cracking fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber.
The mass ratio of the steel fiber to the polyester fiber is 1:2.
The mass ratio of the carbon-steel fiber to the nano aluminum titanate fiber to the steel fiber to the polyester fiber is 3:2:1:1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, placing 35 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 12min;
b6, adding 2 parts of defoaming agent and 1 part of stabilizing agent into the mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fibers and putting the polypropylene fibers into a mixer to fully mix for 12min
B8, standing for 6min, and adding 2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 25min to obtain the modified anti-cracking agent.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, adding 32 parts of modified wear-resistant agent and 32 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
The mass ratio of steel fiber to polyester fiber added in this comparative example was 1:2.
Comparative example 2:
the reinforced concrete modifier comprises, by weight, 32 parts of modified wear-resistant agent, 32 parts of modified cracking-resistant agent, 4 parts of bentonite, 2 parts of quartz sand, 9 parts of auxiliary agent, 2 parts of sodium silicate, 2 parts of diatomite and 4 parts of deionized water.
The modified wear-resistant agent comprises, by weight, 40 parts of modified epoxy resin, 12 parts of ceramic fibers, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickener and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, 40 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 12 parts of ceramic fibers, putting the ceramic fibers into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 18 parts of nano calcium carbonate is taken and put into a mixing barrel;
a5, adding 7 parts of purified water, and soaking for 35min;
a6, adding 9 parts of graphene, and then fully stirring for 55min;
and A7, adding 2 parts of thickener, and stirring for 30min to obtain the modified wear-resistant agent.
The modified anti-cracking agent comprises, by weight, 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoamer, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor.
The anti-cracking fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber.
The mass ratio of the steel fiber to the polyester fiber is 1:1.
The mass ratio of the carbon-steel fiber to the nano aluminum titanate fiber to the steel fiber to the polyester fiber is 1:1:1:1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, placing 35 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 12min;
b6, adding 2 parts of defoaming agent and 1 part of stabilizing agent into the mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fibers and putting the polypropylene fibers into a mixer to fully mix for 12min
B8, standing for 6min, and adding 2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 25min to obtain the modified anti-cracking agent.
The preparation method comprises the following specific steps:
firstly, 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite are taken and put into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 4 parts of deionized water into a preparation machine, and starting mixing and stirring for 8min;
step six, adding 32 parts of modified wear-resistant agent and 32 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 9 parts of auxiliary agent is taken and put into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agent added in the seventh step comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
The mass ratio of the carbon-steel fiber, the nano aluminum titanate fiber, the steel fiber and the polyester fiber added in the comparative example is 1:1:1:1
Comparative example 3:
substantially the same as in example 1, except that no rust inhibitor was added to the modified cracking-resistant agent, and that the modified cracking-resistant agent was not subjected to vibration rust removal treatment during the preparation.
Comparative example 4:
substantially the same as in example 1, except that the auxiliary agent added in step seven was a stabilizer and a water reducing agent.
Product testing was performed in combination with examples 1-4 and comparative examples 1-4 above, with the following specific test methods and data:
compression test:
the test method comprises the following steps: preparing 80 mould boxes with the same size, wherein the size is 1m x 10cm, dividing the prepared 80 mould boxes into 8 groups of 10 mould boxes, mixing the modifier prepared in the examples 1-4 and the comparative examples 1-4 with concrete to prepare modified concrete, pouring the concrete prepared in each group into a mould, and carrying out data detection and compression detection after the concrete is solidified, wherein the details are shown in table 1:
TABLE 1
From the test results and examples 1-4, comparative examples 1-4 and Table 1, it can be seen that the concrete resistance can be effectively improved by adding the modifier during the modification of the concrete, and the compressive strength of the concrete can be effectively improved by adding the modified antiwear agent and the modified cracking agent during the preparation of the reinforcing modifier.
Abrasion resistance test:
the testing method comprises the following steps: 8 groups of prepared concrete test blocks in the compression resistance test are taken, scratch tests are carried out on the surfaces of the test blocks, and the test results and data are shown in table 2:
TABLE 2
According to test results and examples 1-4, comparative examples 1-4 and Table 2, the concrete resistance can be effectively improved by adding the modifier in the concrete modification process, the wear resistance of the concrete can be effectively improved by adding the modified wear-resistant agent in the preparation process of the reinforcing modifier, the wear resistance of the concrete can be further improved by adding the modified cracking-resistant agent in the preparation process, the sand on the hardened surface of the concrete is reduced, and the service life is prolonged.
Bending resistance test:
the test method comprises the following steps: taking 8 groups of prepared concrete test blocks in the compression test, and carrying out fracture resistance test on the surfaces of the test blocks, wherein specific data are shown in table 3:
TABLE 3 Table 3
According to test results and examples 1-4, comparative examples 1-4 and Table 3, the concrete resistance can be effectively improved by adding the modifier in the concrete modification process, and the tensile strength of the hardened concrete can be effectively improved by adding the anti-cracking fiber in the modified anti-cracking agent in the preparation process of the reinforcing modifier, so that the anti-breaking capability of the solidified concrete is improved, and the safety performance and the resistance are obviously improved.
Crack resistance test:
before the compression test is carried out, the number of cracks of the test block is observed at different periods respectively, and data recording is carried out on the cracks, wherein the specific data result is shown in table 4:
TABLE 4 Table 4
According to test results and examples 1-4, comparative examples 1-4 and Table 3, the concrete resistance can be effectively improved by adding the modifier in the concrete modification process, and the tensile strength of the hardened concrete can be effectively improved by adding the anti-cracking fiber in the modified anti-cracking agent in the preparation process of the reinforcing modifier, so that the anti-breaking capability of the solidified concrete is improved, and the safety performance and the resistance are obviously improved.
As can be seen from example 1, comparative example 3 and tables 1 to 4, the reinforcing modifier can effectively remove rust on the surface of the fiber by performing vibration rust removal treatment on the added modified fiber in the preparation process, thereby effectively improving the synergistic effect among the fibers and further improving the tensile resistance of the concrete.
As can be seen from example 1, comparative example 4 and tables 1 to 4, the reinforcing modifier has the advantages that in the preparation process, the added auxiliary agents are a waterproof agent, a water reducing agent, an activity exciting agent and a stabilizer, the waterproof agent can improve the waterproof capability of concrete, the water reducing agent can prevent the excessive water content and the strength reduction caused by the excessive water content, the activity exciting agent can improve the activity of the modifier, the modifying capability of the modifier to the concrete is further improved, and the stabilizer can improve the stability of the modifier in the modifying process of the concrete.
In summary, when the reinforcing modifier is prepared, the modified wear-resistant agent is added, and contains modified epoxy resin, ceramic fiber and nano calcium carbonate, so that the modified epoxy resin, the ceramic fiber and the nano calcium carbonate have good wear resistance, the wear resistance of the modifier can be improved, and the sand-forming phenomenon of the hardened surface of the concrete is reduced;
the modified cracking resistant agent is added, so that the cracking resistant fibers contained in the modified cracking resistant agent can effectively reduce plastic shrinkage cracks in the using process, and the structural reinforcing fibers in the modified cracking resistant agent can effectively improve the fracture toughness of concrete, so that the fracture resistance effect and the cracking resistance effect are improved, and the safety performance and the cracking resistance are improved.
The anti-cracking effect of the anti-cracking fiber can be better through the mass ratio of the added steel fiber to the polyester fiber being 1:1, and the synergistic capability among the fibers can be improved through the mass ratio of the added carbon-steel fiber, the nano aluminum titanate fiber, the steel fiber and the polyester fiber being 3:2:1:1, so that the strength and the bending toughness of the concrete are further improved, and meanwhile, the ductility of the concrete and the crack and cracking inhibition performance of the concrete can be improved through the added various fibers.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. The reinforcing modifier for concrete is characterized by comprising, by weight, 30-35 parts of a modified wear-resistant agent, 30-35 parts of a modified anti-cracking agent, 3-5 parts of bentonite, 1-2 parts of quartz sand, 8-10 parts of an auxiliary agent, 1-3 parts of sodium silicate, 1-3 parts of diatomite and 3-5 parts of deionized water;
the modified anti-cracking agent comprises, by weight, 30-40 parts of anti-cracking fibers, 30-40 parts of structural reinforcing fibers, 5-10 parts of nano silicon dioxide, 1-2 parts of defoamer, 1-2 parts of stabilizer, 1-3 parts of polypropylene fibers and 1-2 parts of rust inhibitor; the anti-cracking fiber is a mixture of steel fiber and polyester fiber, and the structural reinforcing fiber is a mixture of carbon-steel fiber, nano aluminum titanate fiber, steel fiber and polyester fiber;
the auxiliary agent comprises a waterproof agent, a water reducing agent, an activity excitant and a stabilizer; the modified wear-resistant agent comprises, by weight, 35-45 parts of modified epoxy resin, 10-15 parts of ceramic fiber, 15-20 parts of nano calcium carbonate, 5-8 parts of purified water, 1-3 parts of thickener and 8-10 parts of graphene;
the specific preparation steps of the modified wear-resistant agent are as follows:
a1, 35-45 parts of modified epoxy resin is taken and put into a mixing barrel;
a2, taking 10-15 parts of ceramic fibers, putting into a pulverizer for pulverizing treatment, and sieving after the pulverizing treatment;
a3, placing the sieved ceramic fiber fragments into a mixing bucket for mixing;
a4, 15-20 parts of nano calcium carbonate is taken and put into a mixing bucket;
a5, adding 5-8 parts of purified water, and soaking for 30-40min;
a6, adding 8-10 parts of graphene, and then fully stirring for 50-60min;
a7, adding 1-3 parts of thickener, and stirring for 20-40min to obtain a modified wear-resistant agent; wherein in the preparation step, the evaluation of different component information of the modified antiwear agent in the preparation process is improved through a big data function model, wherein:
assume that any one component type of modified epoxy resin, ceramic fiber, nano calcium carbonate, purified water, graphene and thickener is denoted as a, m a The set concrete reinforcement modification meets the quality standard parameters, c represents the modified epoxy resin multivariable parameters, k represents the modified wear-resistant agent coefficient, whenWhen the data bit value of each component in different component types a is 1, the modified ringThe oxygen resin component evaluation function is:
in the formula (1), e a Representing a set of all data components within the modified epoxy resin; e, e 1 、e 2 Respectively representing the impurity rate and the purity rate of the modified epoxy resin in the preparation process; the combined evaluation function of the modified epoxy resin after each component maintains integrity in the output process is recorded as:
in formula (2):information set of component data representing modified epoxy resin after completion of preparation, k 2 、k 1 Respectively representing error coefficients of components of the to-be-called modified epoxy resin, ceramic fiber, nano calcium carbonate, purified water, graphene and thickener, which are influenced by the environment, and purity coefficients of the components of the to-be-called modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener, which are influenced by the environment; a, a i And (5) representing a property collection of the components of the modified wear-resistant agent combination proportion.
2. A concrete reinforcing modifier according to claim 1, wherein the mass ratio of steel fibres to polyester fibres is 1:1.
3. The concrete reinforcing modifier according to claim 1, wherein the mass ratio of the carbon-steel fiber, the nano aluminum titanate fiber, the steel fiber and the polyester fiber is 3:2:1:1.
4. The concrete reinforcing modifier according to claim 1, wherein the concrete preparation steps of the modified anti-cracking agent are as follows:
b1, placing 30-40 parts of steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, placing 30-40 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers on a high-vibration screen for sieving treatment;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing for 10-15min;
adding 1-2 parts of defoaming agent and 1-2 parts of stabilizing agent into the mixer, and fully mixing for 5-8min;
b7, taking 1-3 parts of polypropylene fibers, and fully mixing in a mixer for 10-15min;
b8, standing for 5-8min, and then adding 1-2 parts of rust inhibitor into the mixer;
and B9, fully mixing for 20-30min to obtain the modified anti-cracking agent.
5. The process for preparing the concrete reinforcing modifier according to claim 1, wherein the concrete preparation steps are as follows:
step one, taking 3-5 parts of bentonite, 1-3 parts of sodium silicate and 1-3 parts of diatomite, and putting the bentonite and the diatomite into a pulverizer for mixing and pulverizing;
step two, taking the crushed base material and placing the base material into a preparation machine;
step three, 1-2 parts of quartz sand are taken and put into a crusher for crushing;
step four, crushing, sieving, and putting into a preparation machine after sieving;
step five, adding 3-5 parts of deionized water into the preparation machine, and starting mixing and stirring for 5-10min;
step six, adding 30-35 parts of modified wear-resistant agent and 30-35 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
step seven, 8-10 parts of auxiliary agent are taken and put into a preparation machine for final mixing and stirring for 20-25min;
step eight, pouring the dehydrated and heated mixture into an extruder for extrusion to obtain the reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
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| CN106810105A (en) * | 2016-12-30 | 2017-06-09 | 苏州泰如新材料科技有限公司 | A kind of concrete additive |
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| CN106810105A (en) * | 2016-12-30 | 2017-06-09 | 苏州泰如新材料科技有限公司 | A kind of concrete additive |
| CN109422835A (en) * | 2017-06-30 | 2019-03-05 | 翁秋梅 | A kind of dynamic aggregation object containing combination supermolecular mechanism |
| KR102338597B1 (en) * | 2021-08-04 | 2021-12-15 | 송지연 | High functional quick-hardening and ultra-early strength type cement concrete composition modified by polymer modifier with diene rubber latex and the construction method for road pavement using the same |
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