CN107540290A - A kind of civil engineering scour and abrasion resistant concrete and preparation method thereof - Google Patents
A kind of civil engineering scour and abrasion resistant concrete and preparation method thereof Download PDFInfo
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- CN107540290A CN107540290A CN201711045594.8A CN201711045594A CN107540290A CN 107540290 A CN107540290 A CN 107540290A CN 201711045594 A CN201711045594 A CN 201711045594A CN 107540290 A CN107540290 A CN 107540290A
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- diethylenetriamine
- abrasion resistant
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Abstract
The invention discloses a kind of civil engineering scour and abrasion resistant concrete and preparation method thereof, the concrete, include according to the raw material of parts by weight:50 60 parts of cement, 28 36 parts of silica flour, 80 90 parts of sandstone, 19 27 parts of zeolite powder, 11 19 parts of diethylenetriamine, 13 21 parts of cumyl peroxide, 15 25 parts of tetraethyl orthosilicate.Mixed by silica flour, zeolite powder crushing, with cumyl peroxide solution, heating sealing stirring, centrifugation take precipitation, wash drying, add tetraethyl orthosilicate ball milling, add the heating sealing stirring of diethylenetriamine solution, mix, pour into a mould with cement, sandstone again, vibrate, conserve and produce.Compression strength of the present invention and High anti bending strength, resistant abrasion ability is effectively increased, effectively reduces the dry-shrinkage deformed of concrete, improves anti-crack ability, high comprehensive performance, suitable for field of civil engineering such as the higher harbour engineering of concrete requirement, water resources dam engineering, nuclear power engineerings.
Description
Technical field
The present invention relates to building material technical field, specifically a kind of civil engineering scour and abrasion resistant concrete and its preparation
Method.
Background technology
Concrete, refer to the general designation of the cementing integral engineered composite material of aggregate by binder materials.That generally says is mixed
One word of solidifying soil refers to make binder materials, sand, masonry aggregate with cement;Match somebody with somebody by a certain percentage with water (additive and admixture can be contained)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.But ordinary cement mixes
The shortcomings of pressure-proof and snap-resistent performance is low, environment resistant corrosion durable is low, wears no resistance be present in solidifying soil.Particularly in hydraulic engineering,
Concrete is most important construction material especially in large hydraulic engineering.Require it also high, it is desirable to have preferably anti-
Oozing property;Cold district, particularly applied in fluctuation of water table area when, it is desirable to there is higher frost resistance;With rodent aqueous phase
During contact, it is desirable to which there is good corrosion resistance;When being applied in large volume structures, to prevent the appearance of thermal cracking, it is desirable to
With to hot and low-shrinkage;At the position washed away by high-velocity flow in use, requiring antiscour, wear-resisting and anti-cavitation
Property etc..
The content of the invention
It is an object of the invention to provide a kind of civil engineering scour and abrasion resistant concrete and preparation method thereof, with solution
State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of civil engineering scour and abrasion resistant concrete, includes according to the raw material of parts by weight:Cement 50-60 parts, silica flour 28-
36 parts, sandstone 80-90 parts, zeolite powder 19-27 parts, diethylenetriamine 11-19 parts, cumyl peroxide 13-21 parts, positive silicic acid
Ethyl ester 15-25 parts.
As the further scheme of the present invention:The civil engineering scour and abrasion resistant concrete, according to the raw material of parts by weight
Including:Cement 52-58 parts, silica flour 30-34 parts, sandstone 82-88 parts, zeolite powder 21-25 parts, diethylenetriamine 13-17 parts, peroxide
Change diisopropylbenzene (DIPB) 15-19 parts, tetraethyl orthosilicate 18-22 parts.
As the further scheme of the present invention:The civil engineering scour and abrasion resistant concrete, according to the raw material of parts by weight
Including:55 parts of cement, 32 parts of silica flour, 85 parts of sandstone, 23 parts of zeolite powder, 15 parts of diethylenetriamine, 17 parts of cumyl peroxide,
20 parts of tetraethyl orthosilicate.
A kind of preparation method of civil engineering scour and abrasion resistant concrete, comprises the following steps:
1) absolute ethyl alcohol of 14-15 times of cumyl peroxide and its quality is mixed, it is molten that cumyl peroxide is made
Liquid;8-9 times of deionized water of diethylenetriamine and its quality is mixed, diethylenetriamine solution is made;
2) by silica flour, excessively zeolite powder crushing, 100-150 mesh sieves, then mix, be heated to cumyl peroxide solution
And stir process 2.5-2.8h is sealed at such a temperature, centrifugation takes precipitation, dries to be made after ethanol washing and mixes by 68-72 DEG C
Thing A;
3) tetraethyl orthosilicate is added into mixture A, ball milling 30-40min, then adds diethylenetriamine solution, heating
To 85-90 DEG C, and stir process 1-1.2h is sealed at such a temperature, mixture B is made;
4) mixture B, cement, sandstone are mixed, stirred;Cast, vibrates, conserves and produce.
As the further scheme of the present invention:In step 2), mixing speed 160-180r/min.
As the further scheme of the present invention:In step 2), centrifugal speed 3000r/min, centrifugation time 10-
20min。
As the further scheme of the present invention:In step 3), mixing speed 80-100r/min.
Another object of the present invention is to provide application of the concrete in civil engineering material is prepared.
The civil engineering includes hydraulic engineering.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention is using concrete made from above-mentioned raw materials and preparation technology, and compression strength and rupture strength are higher, in VC
Value, seepage-resistant grade, freeze proof intensity, ultimate elongation, adiabatic temperature rise, resist chemical performance etc. are respectively provided with carrying for conspicuousness
Height, resistant abrasion ability is effectively increased, effectively reduce the dry-shrinkage deformed of concrete, improve anti-crack ability, high comprehensive performance.This
The preparation technology of invention is simple, does not produce sewage and dust in process of production, and surrounding enviroment are not polluted, without separately setting
Dust-proof and cleaner, energy conservation and environmental protection benefit is notable, is widely used in the harbour engineering higher to concrete requirement, water resources dam
In the field of civil engineering such as engineering, nuclear power engineering, be particularly suitable for hydraulic outlet works etc. to the erosion resistance of concrete with
And anti-crack ability requires higher environment.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of civil engineering scour and abrasion resistant concrete, including following raw material:Cement 50kg, silicon
Powder 28kg, sandstone 80kg, zeolite powder 19kg, diethylenetriamine 11kg, cumyl peroxide 13kg, tetraethyl orthosilicate 15kg.
14 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 8 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made.By silica flour, zeolite powder crushing, mistake
100 mesh sieves, then mixed with cumyl peroxide solution, be heated to 68 DEG C and seal stir process 2.5h at such a temperature,
Mixing speed is 160r/min, and centrifugation takes precipitation, and obtained mixture A is dried after ethanol washing;Centrifugal speed is 3000r/
Min, centrifugation time 10min.Tetraethyl orthosilicate is added into mixture A, ball milling 30min, it is molten then to add diethylenetriamine
Liquid, 85 DEG C are heated to, and seal stir process 1h, mixing speed 80r/min at such a temperature, mixture B is made.Will mixing
Thing B, cement, sandstone mixing, stir;Cast, vibrates, conserves and produce.
Embodiment 2
In the embodiment of the present invention, a kind of civil engineering scour and abrasion resistant concrete, including following raw material:Cement 60kg, silicon
Powder 36kg, sandstone 90kg, zeolite powder 27kg, diethylenetriamine 19kg, cumyl peroxide 21kg, tetraethyl orthosilicate 25kg.
15 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 9 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made.By silica flour, zeolite powder crushing, mistake
150 mesh sieves, then mixed with cumyl peroxide solution, be heated to 72 DEG C and seal stir process 2.8h at such a temperature,
Mixing speed is 180r/min, and centrifugation takes precipitation, and obtained mixture A is dried after ethanol washing;Centrifugal speed is 3000r/
Min, centrifugation time 20min.Tetraethyl orthosilicate is added into mixture A, ball milling 40min, it is molten then to add diethylenetriamine
Liquid, 90 DEG C are heated to, and seal stir process 1.2h, mixing speed 100r/min at such a temperature, mixture B is made.Will
Mixture B, cement, sandstone mixing, stir;Cast, vibrates, conserves and produce.
Embodiment 3
In the embodiment of the present invention, a kind of civil engineering scour and abrasion resistant concrete, including following raw material:Cement 52kg, silicon
Powder 30kg, sandstone 82kg, zeolite powder 21kg, diethylenetriamine 13kg, cumyl peroxide 15kg, tetraethyl orthosilicate 18kg.
15 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 9 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made.By silica flour, zeolite powder crushing, mistake
150 mesh sieves, then mixed with cumyl peroxide solution, be heated to 70 DEG C and seal stir process 2.6h at such a temperature,
Mixing speed is 180r/min, and centrifugation takes precipitation, and obtained mixture A is dried after ethanol washing;Centrifugal speed is 3000r/
Min, centrifugation time 20min.Tetraethyl orthosilicate is added into mixture A, ball milling 40min, it is molten then to add diethylenetriamine
Liquid, 88 DEG C are heated to, and seal stir process 1.1h, mixing speed 100r/min at such a temperature, mixture B is made.Will
Mixture B, cement, sandstone mixing, stir;Cast, vibrates, conserves and produce.
Embodiment 4
In the embodiment of the present invention, a kind of civil engineering scour and abrasion resistant concrete, including following raw material:Cement 58kg, silicon
Powder 34kg, sandstone 88kg, zeolite powder 25kg, diethylenetriamine 17kg, cumyl peroxide 19kg, tetraethyl orthosilicate 22kg.
15 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 9 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made.By silica flour, zeolite powder crushing, mistake
150 mesh sieves, then mixed with cumyl peroxide solution, be heated to 70 DEG C and seal stir process 2.6h at such a temperature,
Mixing speed is 180r/min, and centrifugation takes precipitation, and obtained mixture A is dried after ethanol washing;Centrifugal speed is 3000r/
Min, centrifugation time 20min.Tetraethyl orthosilicate is added into mixture A, ball milling 40min, it is molten then to add diethylenetriamine
Liquid, 88 DEG C are heated to, and seal stir process 1.1h, mixing speed 100r/min at such a temperature, mixture B is made.Will
Mixture B, cement, sandstone mixing, stir;Cast, vibrates, conserves and produce.
Embodiment 5
In the embodiment of the present invention, a kind of civil engineering scour and abrasion resistant concrete, including following raw material:Cement 55kg, silicon
Powder 32kg, sandstone 85kg, zeolite powder 23kg, diethylenetriamine 15kg, cumyl peroxide 17kg, tetraethyl orthosilicate 20kg.
15 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 9 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made.By silica flour, zeolite powder crushing, mistake
150 mesh sieves, then mixed with cumyl peroxide solution, be heated to 70 DEG C and seal stir process 2.6h at such a temperature,
Mixing speed is 180r/min, and centrifugation takes precipitation, and obtained mixture A is dried after ethanol washing;Centrifugal speed is 3000r/
Min, centrifugation time 20min.Tetraethyl orthosilicate is added into mixture A, ball milling 40min, it is molten then to add diethylenetriamine
Liquid, 88 DEG C are heated to, and seal stir process 1.1h, mixing speed 100r/min at such a temperature, mixture B is made.Will
Mixture B, cement, sandstone mixing, stir;Cast, vibrates, conserves and produce.
Comparative example 1
In addition to diethylenetriamine, cumyl peroxide, tetraethyl orthosilicate is not contained, it is formulated and preparation process and implementation
Example 5 is consistent.
Comparative example 2
In addition to silica flour, zeolite powder is not contained, it is formulated and preparation process is consistent with embodiment 5.
Comparative example 3
Each raw material is directly mixed, the other raw materials added is added in embodiment 5, stirs;Cast, vibrates, and supports
Protect and produce.Its raw material deal is consistent with embodiment 5.
Embodiment 6
Concrete of the present invention is excellent in the related performance of the civil engineerings such as hydraulic engineering, and performance test is as described below.
Using coagulation made from industry bioassay standard well known in the art measure embodiment of the present invention 1-5, comparative example 1-3
Soil.Measurement result compares referring to Tables 1 and 2, and with commercial concrete.
Compression strength and the rupture strength measure of 1 concrete of the present invention of table
As can be seen from Table 1, the compression strength of the preparation-obtained concrete of 1-5 of the embodiment of the present invention and rupture strength show
Write better than the concrete and the compression strength and rupture strength of existing commercial concrete corresponding to comparative example 1-3, this shows this
Invention concrete makes it have above-mentioned significant effect using above-mentioned raw materials and preparation technology.
The concrete performance test result of the present invention of table 2
The preparation-obtained concrete of 1-5 of the embodiment of the present invention VC values, seepage-resistant grade, freeze proof intensity, ultimate elongation, absolutely
Hot temperature rise etc. is significantly better than concrete and existing commercial concrete corresponding to comparative example 1-3.Show coagulation of the present invention
Soil makes it have above-mentioned significant effect using above-mentioned raw materials and preparation technology.
Also use DL/T 5150-2001《Concrete for hydraulic structure testing regulations》In ring method and underwater steel ball method, carry out
Anti-abrasion strength is tested, and is shown in Table 3.
Table 3
The preparation-obtained concrete of 1-5 of the embodiment of the present invention is significantly better than comparative example 1-3 institutes in terms of anti-abrasion strength
Corresponding concrete and existing commercial concrete.Show that concrete of the present invention is made it have using above-mentioned raw materials and preparation technology
Above-mentioned significant effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of civil engineering scour and abrasion resistant concrete, it is characterised in that include according to the raw material of parts by weight:Cement 50-60
Part, silica flour 28-36 parts, sandstone 80-90 parts, zeolite powder 19-27 parts, diethylenetriamine 11-19 parts, cumyl peroxide 13-
21 parts, tetraethyl orthosilicate 15-25 parts.
2. civil engineering scour and abrasion resistant concrete according to claim 1, it is characterised in that according to the raw material of parts by weight
Including:Cement 52-58 parts, silica flour 30-34 parts, sandstone 82-88 parts, zeolite powder 21-25 parts, diethylenetriamine 13-17 parts, peroxide
Change diisopropylbenzene (DIPB) 15-19 parts, tetraethyl orthosilicate 18-22 parts.
3. civil engineering scour and abrasion resistant concrete according to claim 1, it is characterised in that according to the raw material of parts by weight
Including:55 parts of cement, 32 parts of silica flour, 85 parts of sandstone, 23 parts of zeolite powder, 15 parts of diethylenetriamine, 17 parts of cumyl peroxide,
20 parts of tetraethyl orthosilicate.
4. a kind of preparation method of civil engineering scour and abrasion resistant concrete as described in claim 1-3 is any, its feature exist
In comprising the following steps:
1)14-15 times of absolute ethyl alcohol of cumyl peroxide and its quality is mixed, cumyl peroxide solution is made;Will
The deionized water of 8-9 times of diethylenetriamine and its quality mixes, and diethylenetriamine solution is made;
2)By silica flour, zeolite powder crushing, 100-150 mesh sieves are crossed, is then mixed with cumyl peroxide solution, is heated to 68-
And stir process 2.5-2.8h is sealed at such a temperature, centrifugation takes precipitation, is dried after ethanol washing and mixture is made by 72 DEG C
A;
3)Tetraethyl orthosilicate is added into mixture A, ball milling 30-40min, diethylenetriamine solution is then added, is heated to 85-
90 DEG C, and stir process 1-1.2h is sealed at such a temperature, mixture B is made;
4)Mixture B, cement, sandstone are mixed, stirred;Cast, vibrates, conserves and produce.
5. the preparation method of civil engineering scour and abrasion resistant concrete according to claim 4, it is characterised in that step 2)
In, mixing speed 160-180r/min.
6. the preparation method of civil engineering scour and abrasion resistant concrete according to claim 4, it is characterised in that step 2)
In, centrifugal speed 3000r/min, centrifugation time 10-20min.
7. the preparation method of civil engineering scour and abrasion resistant concrete according to claim 4, it is characterised in that step 3)
In, mixing speed 80-100r/min.
8. application of the concrete as described in claim 1-3 is any in civil engineering material is prepared.
9. application of the concrete according to claim 8 in civil engineering material is prepared, it is characterised in that the building
Engineering includes hydraulic engineering.
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CN102898799A (en) * | 2011-11-03 | 2013-01-30 | 苏州拓博琳新材料科技有限公司 | Biobased artificial stone and production process thereof |
CN105236842A (en) * | 2015-08-24 | 2016-01-13 | 安徽砼宇特构科技有限公司 | Anti-seep underground pipe culvert and preparation method thereof |
CN105330207A (en) * | 2015-10-24 | 2016-02-17 | 江南水利水电工程公司 | Anti-impact wear-resistant concrete |
CN106517906A (en) * | 2016-10-31 | 2017-03-22 | 张廉 | Roller compacted concrete for hydraulic engineering and preparation method of roller compacted concrete |
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2017
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CN1541974A (en) * | 2003-11-04 | 2004-11-03 | 武汉大学 | Anti-scour anti-wear concrete |
US20090288830A1 (en) * | 2008-05-20 | 2009-11-26 | Intevep, S.A. | Homogenous synthetic mud-to-cement cementing glasses |
CN102898799A (en) * | 2011-11-03 | 2013-01-30 | 苏州拓博琳新材料科技有限公司 | Biobased artificial stone and production process thereof |
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