CN115745456A - Concrete reinforcing modifier and preparation process thereof - Google Patents
Concrete reinforcing modifier and preparation process thereof Download PDFInfo
- Publication number
- CN115745456A CN115745456A CN202211324910.6A CN202211324910A CN115745456A CN 115745456 A CN115745456 A CN 115745456A CN 202211324910 A CN202211324910 A CN 202211324910A CN 115745456 A CN115745456 A CN 115745456A
- Authority
- CN
- China
- Prior art keywords
- parts
- agent
- fibers
- modified
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 89
- 239000003607 modifier Substances 0.000 title claims abstract description 59
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 260
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 115
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000005336 cracking Methods 0.000 claims abstract description 64
- 239000003822 epoxy resin Substances 0.000 claims abstract description 58
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 58
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000919 ceramic Substances 0.000 claims abstract description 36
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 26
- 239000006004 Quartz sand Substances 0.000 claims abstract description 24
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 23
- 239000000440 bentonite Substances 0.000 claims abstract description 23
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 23
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 23
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 23
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 21
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 230000004048 modification Effects 0.000 claims abstract description 12
- 238000012986 modification Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims description 81
- 229910000831 Steel Inorganic materials 0.000 claims description 64
- 229920000728 polyester Polymers 0.000 claims description 64
- 239000010959 steel Substances 0.000 claims description 64
- 238000003756 stirring Methods 0.000 claims description 36
- 238000007873 sieving Methods 0.000 claims description 32
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims description 31
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 31
- 239000010962 carbon steel Substances 0.000 claims description 31
- 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 31
- 239000000203 mixture Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 23
- 239000003381 stabilizer Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910021389 graphene Inorganic materials 0.000 claims description 18
- 239000008213 purified water Substances 0.000 claims description 18
- 239000002562 thickening agent Substances 0.000 claims description 18
- 238000000227 grinding Methods 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 15
- 239000012783 reinforcing fiber Substances 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 14
- 239000003112 inhibitor Substances 0.000 claims description 13
- -1 polypropylene Polymers 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 10
- 239000002518 antifoaming agent Substances 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 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
- 239000012190 activator Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 5
- 230000002968 anti-fracture Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 239000012615 aggregate Substances 0.000 description 3
- 238000012669 compression test Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004576 sand 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
- 239000004593 Epoxy Substances 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 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
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing 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
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
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 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 according to the components by equal mass; the modified anti-cracking 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 modified anti-cracking agent can be improved, so that the sand-forming phenomenon of the hardened surface of concrete is reduced.
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
China belongs to the major country of capital construction, concrete is one of essential raw materials in the process of capital construction, and is a general name of a composite material which is prepared by a gel material, aggregate and water according to a proper proportion and is hardened for a certain time.
The concrete has high hardness, wide raw material sources and low cost, is widely used in the capital construction work of houses, highways, military engineering, nuclear power plants and the like, and has different concrete requirements in different capital construction processes.
After the concrete in the prior art is hardened, the strength of a hardened surface may need to be further improved, a sand phenomenon may occur during use, normal use and attractiveness are affected, and the concrete in the prior art may cause cracking and fault conditions due to maintenance problems in a pouring period of the concrete to be hardened, so that safety and resistance need to be further improved, and along with the gradual increase of the height of a building and the gradual increase of the span of a bridge, the strength and resistance of the concrete in the prior art may gradually fail to meet construction requirements.
Disclosure of Invention
The invention aims to provide a concrete reinforcing modifier and a preparation process thereof, which are used for solving the problems of low surface hardness and poor resistance of concrete in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a concrete reinforcing modifier and its preparation method, the said reinforcing modifier includes modifying 30-35 parts of wear-resisting agent, 30-35 parts of modified anticracking agent, 3-5 parts of bentonite, 1-2 parts of quartz sand, 8-10 parts of compounding chemicals, 1-3 parts of sodium silicate, 1-3 parts of diatomaceous earth, 3-5 parts of deionized water according to the composition of the part by weight;
in order to improve the wear resistance of concrete, the modified wear-resistant agent comprises, by mass, 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 a thickening agent and 8-10 parts of graphene;
in order to improve the crack resistance of concrete, the modified crack resistance agent comprises 30-40 parts of crack resistance fibers, 30-40 parts of structural reinforcing fibers, 5-10 parts of nano silicon dioxide, 1-2 parts of a defoaming agent, 1-2 parts of a stabilizing agent, 1-3 parts of polypropylene fibers and 1-2 parts of a rust inhibitor according to the equal mass of the components.
Preferably, the specific preparation steps of the modified anti-wear agent are as follows:
a1, taking 35-45 parts of modified epoxy resin and putting into a mixing barrel;
a2, putting 10-15 parts of ceramic fiber into a grinder for grinding treatment, and sieving after grinding treatment;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 15-20 parts of nano calcium carbonate into a mixing barrel;
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 thickening agent, and stirring for 20-40min to obtain the modified wear-resistant agent.
In the preparation step, the evaluation of different component information of the modified wear-resistant agent in the preparation process is improved through a big data function model, wherein:
the component type of any one of the modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickening agent is assumed to be marked as a, m a Indicating that the set concrete reinforced modification meets the quality standard parameters, c indicates a modified epoxy resin multivariable parameter, k indicates the modified wear-resistant agent coefficient, when
When the component data bit value of each component in different component types a is 1, the evaluation function of the modified epoxy resin component is as follows:
in equation (1): e.g. of the type a Represents the set of all data components in the modified epoxy resin; e.g. of the type 1 、e 2 Respectively representing the impurity rate and the purity rate of the modified epoxy resin in the preparation process; the combination evaluation function of the modified epoxy resin after the integrity of each component in the output process is recorded as:
in equation (2):
set of component data information, k, representing the prepared post-modified epoxy resin 2 、 k 1 Respectively representing error coefficients and purity coefficients of the components of the modified epoxy resin to be called, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener, which are influenced by the environment; a is i And (4) representing a property set of the composition proportioning components of the modified wear-resisting agent.
In order to improve the crack resistance and the folding resistance of the concrete, further, the crack resistance fiber is a mixture of steel fibers and polyester fibers, and the structural reinforcing fiber is a mixture of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers.
In order to improve the crack resistance and the folding resistance of the concrete, the mass ratio of the steel fibers to the polyester fibers is 1:1.
In order to improve the crack resistance and the fracture resistance of the concrete, further, the mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 3.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, taking 30-40 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen to perform screening treatment;
b2, placing the processed 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;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing the materials for 10-15min;
b6, 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 fiber, and fully mixing the materials in a mixer for 10-15min
B8, standing for 5-8min, and adding 1-2 parts of a rust inhibitor into the mixer;
b9, fully mixing for 20-30min to obtain the modified anti-cracking agent.
A preparation process of a concrete reinforcing modifier comprises the following specific preparation steps:
step one, putting 3-5 parts of bentonite, 1-3 parts of sodium silicate and 1-3 parts of diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three putting 1-2 parts of quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
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-resisting agent and 30-35 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
seventhly, 8-10 parts of the auxiliary agent are taken and put into a preparation machine for final mixing and stirring for 20-25min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
Preferably, the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity exciting agent and a stabilizing agent.
Compared with the prior art, the invention provides a concrete reinforcing modifier and a preparation process thereof, and the concrete reinforcing modifier has the following beneficial effects:
1. in the preparation process of the reinforced 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-out phenomenon of the hardened surface of concrete is reduced.
2. In the preparation process of the reinforced modifier, the added modified anti-cracking agent is used, the anti-cracking fibers contained in the modified anti-cracking agent can effectively reduce plastic shrinkage cracks in the using process, and the structural reinforcing fibers in the modified anti-cracking agent can effectively improve the fracture toughness of concrete, so that the anti-fracture 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 mass ratio of the added steel fibers to the added polyester fibers is 1:1, the anti-cracking effect of the anti-cracking fibers is better, the mass ratio of the added carbon-steel fibers, the added nano aluminum titanate fibers, the added steel fibers and the added polyester fibers is 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are used in the orientations and positional relationships indicated, which are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
the concrete reinforcing modifier comprises, by mass, 32 parts of a modified wear-resistant agent, 32 parts of a modified anti-cracking 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 wear-resistant agent comprises, by mass, 40 parts of modified epoxy resin, 12 parts of ceramic fiber, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickening agent and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, taking 40 parts of modified epoxy resin and putting the modified epoxy resin into a mixing barrel;
a2, putting 12 parts of ceramic fiber into a grinder for grinding treatment, and sieving after grinding treatment;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 18 parts of nano calcium carbonate 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 thickening agent, and stirring for 30min to obtain the modified wear-resistant agent.
In the preparation step, the evaluation of different component information of the modified wear-resistant agent in the preparation process is improved through a big data function model, wherein:
assuming that any one component type of the modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener is marked as a, in a specific embodiment, different parameters are marked as component type parameters of different data attributes, and when component data information is evaluated, the a value can be arbitrarily stated, so that the proportion of contract components in the preparation of the concrete reinforcing modifier can be randomly calculated. m is a unit of a The set concrete reinforcing modification accords with quality standard parameters, and the data information application capability can be improved by setting proportioning data information which meets the user requirements or meets the quality standard in concrete application.
Today, big data is applied in all large fields, and the big data becomes a key factor for competition among all industries. With the continuous penetration of big data, the big data can more comprehensively and more accurately predict data information of different parameters 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 the general thermosetting resins such as phenolic resin, unsaturated polyester and the like. For example, in the specific application process, the modified epoxy resin is toughened by liquid carboxyl-terminated nitrile butadiene rubber (CTBN): general addition amount10% by weight, wherein the CTBN content is preferably from 18 to 30% by weight, and wherein 30% by weight may also be usedSilicon dioxideTo avoid strength degradation after addition of CTBN. For example, using 100 parts of epoxy resin and 25 parts ofPolypropylene (PP) Olefine acidN-butyl ester, synthesizing the mutual network system of the two by a synchronous method, and simultaneously adding 30 parts of the N-butyl ester and the N-butyl esterPhthalic anhydrideAnd an appropriate amount ofDoll Azodiisobutyronitrile、Diallyl phthalateIts impact strength can be raised by 1.3 times, and its tensile strength is slightly raised. In specific application, the application capability of the concrete reinforcing and modifying agent can be improved by mixing and applying different parameter information to the modifying wear-resisting agent. Different data information is reflected by the multivariable parameters of the modified epoxy resin, the coefficient of the modified wear-resistant agent and the like, so that the application capability of the modified wear-resistant agent can be improved. Wherein c represents a multivariable parameter of the modified epoxy resin, k represents a coefficient of the modified anti-wear agent, and
and in the process, the bit value of each component data in different component types a is 1, and the evaluation function of the modified epoxy resin components is as follows:
in equation (1): e.g. of the type a Represents the set of all data components in the modified epoxy resin; e.g. of the type 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 butadiene-acrylonitrile rubber (CTBN): the amount of the acrylonitrile-butadiene-styrene copolymer added is generally 10%, and the amount of the acrylonitrile-butadiene-styrene copolymer added is preferably 18 to 30%, and 30% of the acrylonitrile-butadiene-styrene copolymer may be used in combinationSilicon dioxideTo avoid strength degradation after addition of CTBN. In the process of calculating the ratio of the modified epoxy resin to other data information, how to improve all data component sets and related data information sets in the modified epoxy resin is also an urgent technical problem to be solved. In a specific embodiment, the modified epoxy resin paint is a two-component, low-VOC, thick paste, modified epoxy shielding coatingThe coating has long-term protection when a single coating is constructed. Different data information evaluation is easily caused by adopting different proportions, wherein a combined evaluation function of the modified epoxy resin after each component in the output process keeps integrity is recorded as:
in equation (2):
set of component data information, k, representing the prepared post-modified epoxy resin 2 、 k 1
Respectively representing error coefficients and purity coefficients of the components of the modified epoxy resin to be called, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickener, which are influenced by the environment; a is a i And (4) representing a property set of the composition proportioning components of the modified wear-resisting agent.
In a specific embodiment, the process is to improve the influence degree of different components of 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 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of a defoaming agent, 1 part of a stabilizing agent, 2 parts of polypropylene fibers and 2 parts of a rust inhibitor according to the mass equal parts.
The anti-crack 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 fibers to the polyester fibers was 1:1.
The mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 3.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, taking 35 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen for sieving;
b2, placing the treated steel fibers and polyester fibers in a mixer;
b3, taking 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers, and placing the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers on a high-vibration screen to carry out 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 and 1 part of stabilizing agent into a mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fiber, and fully mixing for 12min in a mixer
B8, standing for 6min, and then 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:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder to mix and grind;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the 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;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
In the preparation process of the reinforced 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 added modified anti-cracking agent can effectively reduce plastic shrinkage cracks in the using process due to anti-cracking fibers contained in the modified anti-cracking agent, and can effectively improve the fracture toughness of concrete due to the structural reinforcing fibers in the modified anti-cracking agent, so that the anti-fracture effect and the anti-cracking effect are improved.
Example 2:
the concrete reinforcing modifier comprises, by mass, 32 parts of a modified anti-cracking 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 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoaming agent, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor according to equal mass.
The anti-crack 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 fibers to the polyester fibers was 1:1.
The mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 3.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, taking 35 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen for sieving;
b2, placing the processed steel fibers and polyester fibers in a mixer;
b3, taking 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers, and placing the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers on a high-vibration screen to carry out 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 and 1 part of stabilizing agent into a mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fiber, and fully mixing for 12min in a mixer
B8, standing for 6min, and then 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:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the 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;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Example 3:
the concrete reinforcing modifier comprises, by mass, 32 parts of a modified wear-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 wear-resistant agent comprises, by mass, 40 parts of modified epoxy resin, 12 parts of ceramic fiber, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickening agent and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, taking 40 parts of modified epoxy resin and putting the modified epoxy resin into a mixing barrel;
a2, taking 12 parts of ceramic fiber, putting the ceramic fiber into a grinder for grinding treatment, and sieving the ground ceramic fiber;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 18 parts of nano calcium carbonate 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 thickening agent, and stirring for 30min to obtain the modified wear-resistant agent.
The preparation method comprises the following specific steps:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the 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;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Example 4:
the concrete reinforcing modifier consists of modified aggregate 60 weight portions, bentonite 4 weight portions, quartz sand 2 weight portions, assistant 9 weight portions, sodium silicate 2 weight portions, diatomite 2 weight portions and deionized water 4 weight portions.
The preparation method comprises the following specific steps:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the preparation machine, and starting mixing and stirring for 8min;
step six, adding 60 parts of modified aggregate into a preparation machine for mixing and stirring;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
Comparative example 1:
the concrete reinforcing modifier consists of modified wear resisting agent 32 weight portions, modified anticracking agent 32 weight portions, bentonite 4 weight portions, quartz sand 2 weight portions, assistant 9 weight portions, sodium silicate 2 weight portions, diatomite 2 weight portions and deionized water 4 weight portions.
The modified wear-resistant agent comprises, by mass, 40 parts of modified epoxy resin, 12 parts of ceramic fiber, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickening agent and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, taking 40 parts of modified epoxy resin and putting the modified epoxy resin into a mixing barrel;
a2, putting 12 parts of ceramic fiber into a grinder for grinding treatment, and sieving after grinding treatment;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 18 parts of nano calcium carbonate 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 thickening agent, and stirring for 30min to obtain the modified wear-resistant agent.
The modified anti-cracking agent comprises 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoaming agent, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor according to equal mass.
The anti-crack 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 fibers to the polyester fibers was 1:2.
The mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 3.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, taking 35 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen for sieving;
b2, placing the processed steel fibers and polyester fibers in a mixer;
b3, taking 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers, and placing the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers on a high-vibration screen to carry out 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 and 1 part of stabilizing agent into a mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fiber, and fully mixing in a mixer for 12min
B8, standing for 6min, and then 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:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the 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;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
The mass ratio of the steel fibers and the polyester fibers added in this comparative example was 1:2.
Comparative example 2:
the concrete reinforcing modifier consists of modified wear resisting agent 32 weight portions, modified anticracking agent 32 weight portions, bentonite 4 weight portions, quartz sand 2 weight portions, assistant 9 weight portions, sodium silicate 2 weight portions, diatomite 2 weight portions and deionized water 4 weight portions.
The modified wear-resistant agent comprises, by mass, 40 parts of modified epoxy resin, 12 parts of ceramic fiber, 18 parts of nano calcium carbonate, 7 parts of purified water, 2 parts of a thickening agent and 9 parts of graphene.
The specific preparation steps of the modified wear-resistant agent are as follows:
a1, taking 40 parts of modified epoxy resin and putting the modified epoxy resin into a mixing barrel;
a2, taking 12 parts of ceramic fiber, putting the ceramic fiber into a grinder for grinding treatment, and sieving the ground ceramic fiber;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 18 parts of nano calcium carbonate 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 thickening agent, and stirring for 30min to obtain the modified wear-resistant agent.
The modified anti-cracking agent comprises 35 parts of anti-cracking fibers, 35 parts of structural reinforcing fibers, 8 parts of nano silicon dioxide, 2 parts of defoaming agent, 1 part of stabilizer, 2 parts of polypropylene fibers and 2 parts of rust inhibitor according to equal mass.
The anti-crack 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 fibers to the polyester fibers was 1:1.
The mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 1.
The specific preparation steps of the modified anti-cracking agent are as follows:
b1, taking 35 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen for sieving;
b2, placing the processed steel fibers and polyester fibers in a mixer;
b3, taking 35 parts of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers, and placing the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers on a high-vibration screen to carry out 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 and 1 part of stabilizing agent into a mixer, and fully mixing for 6min;
b7, taking 2 parts of polypropylene fiber, and fully mixing for 12min in a mixer
B8, standing for 6min, and then 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:
step one, taking 4 parts of bentonite, 2 parts of sodium silicate and 2 parts of diatomite, and putting the bentonite, the sodium silicate and the diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
step five, adding 4 parts of deionized water into the 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;
seventhly, 9 parts of the auxiliary agent are taken and placed into a preparation machine for final mixing and stirring for 22min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
And the auxiliary agents added in the seventh step comprise a waterproof agent, a water reducing agent, an activity excitant and a stabilizer.
The mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers added in the comparative example is 1
Comparative example 3:
basically the same as example 1, except that no rust inhibitor was added to the modified anti-cracking agent, and the modified anti-cracking agent was not subjected to vibration rust removal treatment during the preparation process.
Comparative example 4:
substantially the same as in example 1, except that the additives added in step seven were a stabilizer and a water reducing agent.
Product testing was performed in combination with the above examples 1-4 and comparative examples 1-4, and the specific test methods and data were as follows:
and (3) compression resistance test:
the test method comprises the following steps: 80 mold boxes with the same size of 1m x 10cm were prepared, the prepared 80 mold boxes were divided into 8 groups of 10, modified concrete was prepared by mixing the modifier prepared in examples 1 to 4 and comparative examples 1 to 4 with concrete, the concrete prepared in each group was poured into a mold, and after the concrete was solidified, data and compression tests were performed thereon, details of which are shown in table 1:
TABLE 1
According to the test results, examples 1 to 4, comparative examples 1 to 4 and table 1, it can be known that the resistance of concrete can be effectively improved by adding the modifier in the concrete modification process, and the compressive strength of concrete can be effectively improved by adding the modified wear-resistant agent and the modified anti-cracking agent in the preparation process of the reinforced modifier.
And (3) wear resistance test:
the test method comprises the following steps: taking 8 groups of prepared concrete test blocks in the compression test, carrying out scratch test on the surfaces of the test blocks, wherein the test results and data are shown in table 2:
TABLE 2
According to the test results, examples 1 to 4, comparative examples 1 to 4 and table 2, it can be known that the resistance of concrete can be effectively improved by adding the modifier in the concrete modification process, the wear resistance of concrete can be effectively improved by adding the modified wear-resistant agent in the preparation process of the reinforced modifier, the added modified anti-cracking agent can further improve the wear resistance of concrete, reduce the sand formation on the hardened surface of concrete, and prolong the service life.
And (3) 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 the anti-fracture test on the surface of the test block, wherein the specific data are shown in the table 3:
TABLE 3
According to the test results, the examples 1 to 4, the comparative examples 1 to 4 and the table 3, it can be known that the resistance of the concrete 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 reinforced modifier, so that the anti-breaking capability of the solidified concrete is improved, and the safety performance and the resistance are obviously improved.
And (3) crack resistance testing:
before the compression resistance 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 test block, wherein the specific data result is shown in a table 4:
TABLE 4
According to the test results, examples 1 to 4, comparative examples 1 to 4 and table 3, it can be known that the resistance of the concrete 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 reinforced 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 the example 1, the comparative example 3 and tables 1 to 4, in the preparation process of the reinforcing modifier, rust on the surface of the fiber can be effectively taken out by carrying out vibration derusting treatment on the added modified fiber, so that the synergistic effect among the fibers can be effectively improved, and the tensile resistance of concrete is further improved.
As can be seen from the example 1, the comparative example 4 and the tables 1 to 4, in the preparation process of the reinforcing modifier, the added auxiliary agents are the waterproof agent, the water reducing agent, the activity activator and the stabilizer, the waterproof agent can improve the waterproof capability of concrete, the water reducing agent can prevent the strength reduction caused by excessive water content, the activity activator can improve the activity of the modifier, the modification capability of the modifier on the concrete is further improved, and the stabilizer can improve the stability of the modifier in the modification process of the concrete.
In conclusion, when the reinforced modifier is prepared, 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-out phenomenon of the hardened surface of concrete is reduced;
the added modified anti-cracking agent can effectively reduce plastic shrinkage cracks in the using process due to anti-cracking fibers contained in the modified anti-cracking agent, and can effectively improve the fracture toughness of concrete due to the structural reinforcing fibers in the modified anti-cracking agent, so that the anti-fracture effect and the anti-cracking effect are improved, and the safety performance and the anti-cracking performance are improved.
The mass ratio of the added steel fibers to the added polyester fibers is 1:1, the anti-cracking effect of the anti-cracking fibers is better, the mass ratio of the added carbon-steel fibers to the added nano aluminum titanate fibers to the added steel fibers to the added polyester fibers is 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The concrete reinforcing modifier is characterized by comprising 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 according to equal mass components;
the modified wear-resistant agent comprises, by mass, 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 a thickening agent and 8-10 parts of graphene;
the modified anti-cracking agent comprises, by mass, 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 a defoaming agent, 1-2 parts of a stabilizer, 1-3 parts of polypropylene fibers and 1-2 parts of a rust inhibitor.
2. The concrete reinforcing modifier and the preparation process thereof according to claim 1, wherein the concrete reinforcing modifier is prepared by the following steps:
a1, putting 35-45 parts of modified epoxy resin into a mixing barrel;
a2, putting 10-15 parts of ceramic fiber into a grinder for grinding treatment, and sieving after grinding treatment;
a3, placing the sieved ceramic fiber fragments into a mixing barrel for mixing;
a4, putting 15-20 parts of nano calcium carbonate into a mixing barrel;
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 thickening agent, and stirring for 20-40min to obtain a modified wear-resistant agent; in the preparation step, the evaluation of different component information of the modified wear-resistant agent in the preparation process is improved through a big data function model, wherein:
assuming that any one component type of the modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickening agent is marked as a, m a Indicating that the set concrete reinforced modification meets the quality standard parameters, c indicates a modified epoxy resin multivariable parameter, k indicates the modified wear-resistant agent coefficient, when
And in the process, the bit value of each component data in different component types a is 1, and the evaluation function of the modified epoxy resin components is as follows:
in the formula (1), e a Represents the set of all data components in the modified epoxy resin; e.g. of the type 1 、e 2 Respectively representing the impurity rate and the purity rate of the modified epoxy resin in the preparation process; the combination evaluation function of the modified epoxy resin after the integrity of each component in the output process is recorded as:
in equation (2):
set of component data information, k, representing the prepared post-modified epoxy resin 2 、k 1
Respectively indicates that the component types of the modified epoxy resin, the ceramic fiber, the nano calcium carbonate, the purified water, the graphene and the thickening agent to be called are influenced by the environmentError coefficient and purity coefficient affected by the environment; a is i And (4) representing a property set of the composition proportioning components of the modified wear-resisting agent.
3. The concrete reinforcing modifier of claim 1, wherein the anti-crack fibers are a mixture of steel fibers and polyester fibers, and the structural reinforcing fibers are a mixture of carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers.
4. The concrete reinforcing modifier of claim 3, wherein the mass ratio of the steel fibers to the polyester fibers is 1:1.
5. The concrete reinforcing modifier of claim 3, wherein the mass ratio of the carbon-steel fibers, the nano aluminum titanate fibers, the steel fibers and the polyester fibers is 3:2: 1.
6. The concrete reinforcing modifier of claim 1, wherein the concrete anti-cracking agent is prepared by the following steps:
b1, taking 30-40 parts of steel fibers and polyester fibers, and placing the steel fibers and the polyester fibers on a high-vibration screen to perform screening treatment;
b2, placing the processed 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;
b4, preventing the sieved carbon-steel fibers, nano aluminum titanate fibers, steel fibers and polyester fibers from being in a mixer;
b5, fully mixing the materials for 10-15min;
b6, 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 fiber, and fully mixing in a mixer for 10-15min
B8, standing for 5-8min, and adding 1-2 parts of a rust inhibitor into the mixer;
b9, fully mixing for 20-30min to obtain the modified anti-cracking agent.
7. A preparation process of a concrete reinforcing modifier is characterized by comprising the following specific preparation steps:
step one, putting 3-5 parts of bentonite, 1-3 parts of sodium silicate and 1-3 parts of diatomite into a grinder for mixing and grinding;
step two, putting the crushed base material into a preparation machine;
step three, taking 1-2 parts of quartz sand and putting the quartz sand into a crusher for crushing;
step four, sieving after crushing, and putting the sieved powder into a preparation machine;
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-resisting agent and 30-35 parts of modified anti-cracking agent into a preparation machine for mixing and stirring;
seventhly, 8-10 parts of the auxiliary agent are taken and put into a preparation machine for final mixing and stirring for 20-25min;
step eight, pouring the mixture into an extruder for extrusion after high-temperature dehydration and heating to obtain a reinforced modified coarse agent;
and step nine, crushing and sieving to obtain the refined reinforcing modifier.
8. The process for preparing a concrete reinforcing modifier according to claim 7, wherein the additives added in the seventh step include a water-proofing agent, a water-reducing agent, an activity activator and a stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324910.6A CN115745456B (en) | 2022-10-27 | 2022-10-27 | Concrete reinforcing modifier and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324910.6A CN115745456B (en) | 2022-10-27 | 2022-10-27 | Concrete reinforcing modifier and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115745456A true CN115745456A (en) | 2023-03-07 |
| CN115745456B CN115745456B (en) | 2023-11-07 |
Family
ID=85353602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211324910.6A Active CN115745456B (en) | 2022-10-27 | 2022-10-27 | Concrete reinforcing modifier and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115745456B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-10-27 CN CN202211324910.6A patent/CN115745456B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 梁鸿骏;陶桦铭;王之风;: "复合纤维对混凝土抗裂性能的影响", 天津师范大学学报(自然科学版), no. 02 * |
| 郭宗明;郭瑞;庞小男;: "混凝土温度裂缝的产生与防治浅析", 科技信息, no. 15 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115745456B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2020101096A4 (en) | The Preparation Method of Steel Fiber Reinforced Ultra-high Performance Concrete by Synergistic Utilization of Multi-solid Waste | |
| US20080017077A1 (en) | Slag concrete manufactured aggregate | |
| CN105541212A (en) | Composite material toughened ceramisite concrete and preparation method thereof | |
| CN109437782A (en) | A kind of manufacture craft of high low-elasticity-modulus assorted fibre seif-citing rate regeneration concrete | |
| CN110590290B (en) | Fully-recycled glass fiber reinforced plastic reinforced concrete and preparation method thereof | |
| CN111439977A (en) | Impact-resistant basalt fiber reinforced concrete and preparation method thereof | |
| KR20090097575A (en) | Ready-mixed concrete with recycle coarse aggregate and its manufacturing method | |
| CN114180892A (en) | Energy-saving renewable concrete and preparation method thereof | |
| CN113929382A (en) | Full-solid waste aggregate ultrahigh-strength concrete and preparation method thereof | |
| KR101120062B1 (en) | Geopolymeric concrete using recycled aggregate from waste of construction and manufacturing method thereof | |
| CN110683812A (en) | High-strength PC component material | |
| CN115745456A (en) | Concrete reinforcing modifier and preparation process thereof | |
| CN114014613A (en) | Salt corrosion resistant concrete and preparation method thereof | |
| Fawzy | Impact of recycled gravel obtained from low or medium concrete grade on concrete properties | |
| CN109704682A (en) | A kind of steel fiber reinforced concrete containing regenerative micro powder | |
| CN112341119A (en) | Preparation process of extremely-fast-setting super-early-strength ground repairing material | |
| CN107311589A (en) | A kind of pressure-resistant antidetonation foam concrete block and preparation method thereof | |
| CN106747093A (en) | A kind of early strengthening and high strengthening concrete and preparation method thereof | |
| CN110776284A (en) | STC ultra-high-toughness concrete formula and production process | |
| CN102515629A (en) | Cow dung ash asphalt concrete pavement material and its preparation method | |
| CN107216091A (en) | A kind of novel bridge expansion joint packing material | |
| CN113233836A (en) | Reactive powder concrete and preparation method thereof | |
| CN109369040B (en) | Composite cement | |
| CN111718176A (en) | Anti-cracking waterproof recycled concrete and preparation method thereof | |
| CN111423178B (en) | Environment-friendly concrete and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |