CN105110713A - Barium slag cement pile and preparation method thereof - Google Patents
Barium slag cement pile and preparation method thereof Download PDFInfo
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- CN105110713A CN105110713A CN201510539350.XA CN201510539350A CN105110713A CN 105110713 A CN105110713 A CN 105110713A CN 201510539350 A CN201510539350 A CN 201510539350A CN 105110713 A CN105110713 A CN 105110713A
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- 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 barium slag cement pile and a preparation method thereof. The preparation method comprises the steps of (1) mixing cement, sand, barium slag, ocher powder, coal ash, rare earth oxide, sodium methylenebisnaphthalenesulphonate, triterpenoid saponin, calcium stearate and water to prepare concrete; (2) pouring the concrete into a steel reinforcement framework to form a cement pile blank body; and (3) curing the cement pile blank body to obtain the barium slag cement pile. By using the method, the cement pile with excellent mechanical properties can be prepared from barium slag instead of sand, and meanwhile, no severe requirements for curing conditions are proposed.
Description
Technical field
The present invention relates to concrete stake, particularly, relate to a kind of barium slag cement stake and preparation method thereof.
Background technology
Concrete stake uses comparatively general cement products in the life of a kind of normal day, can be applied to the field such as bridge pier of the reinforcing of river levee, the compacting of ground and suggestion.At present, concrete stake be generally by by concrete placement in Framework Of Steel Reinforcement, then carry out maintenance and obtain; Wherein, mainly sand, cement and water mix concrete.Due to the natural resources that sand is non-renewable, the trend that total amount tapers off, is finding the substitute of sand always based on these people.
In prior art, the substitute of sand is more, as the dust of various slag and various building stones factory.Although these alternative aggregates can substitute sand under certain conditions, but it is comparatively harsh to curing condition in maintenance processes by the concrete stake substituting aggregate obtained, otherwise the mechanical property of obtained concrete stake is difficult to satisfy the demands, this situation is especially reflected in barium slag when being alternative aggregate.
Summary of the invention
The object of this invention is to provide a kind of barium slag cement stake and preparation method thereof, barium slag Substitute For Partial sand can be used with the concrete stake of obtained excellent in mechanical performance by the method, simultaneously the method to curing condition without rigors.
To achieve these goals, the invention provides the preparation method of a kind of barium slag cement stake, comprising:
1) the obtained concrete of cement, sand, barium slag, ochre powder, flyash, rare earth oxide, sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water mixing;
2) concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) concrete stake idiosome is carried out maintenance and obtain the stake of barium slag cement.
Present invention also offers the stake of a kind of barium slag cement, this barium slag cement stake is obtained by the preparation of above-mentioned method.
Pass through technique scheme, the present invention replaces part sand to reduce the consumption of sand by utilizing barium slag, under the synergy of sand, barium slag, ochre powder, flyash, rare earth oxide, sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin and calcium stearate, make concrete stake idiosome can carry out maintenance under wide in range condition simultaneously, simultaneously obtained barium slag cement stake has excellent mechanical property, and major embodiment is have excellent resistance to impact shock.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of barium slag cement stake, comprising:
1) the obtained concrete of cement, sand, barium slag, ochre powder, flyash, rare earth oxide, sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water mixing;
2) concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) concrete stake idiosome is carried out maintenance and obtain the stake of barium slag cement.
In step 1 of the present invention) in, the concrete consumption of each raw material can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, in step 1) in, relative to the cement of 100 weight parts, the consumption of sand is 30-40 weight part, the consumption of barium slag is 20-30 weight part, the consumption of ochre powder is 10-15 weight part, the consumption of flyash is 20-25 weight part, the consumption of rare earth oxide is 3-5 weight part, the consumption of sodium metnylene bis-naphthalene sulfonate is 2-6 weight part, the consumption of triterpenoid saponin is 1-3 weight part, the consumption of calcium stearate is 4-9 weight part, the consumption of water is 300-400 weight part.
In step 1 of the present invention) in, the particle diameter of each raw material can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, in step 1) in, the particle diameter of sand is 0.4-0.5mm, and the particle diameter of barium slag is 0.2-0.4mm, and the particle diameter of ochre powder is 0.3-0.5mm.
In step 1 of the present invention) in, the concrete kind of rare earth oxide can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, in step 1) in, rare earth oxide be selected from lanthanum trioxide, Neodymium trioxide, Praseodymium trioxide, gadolinium sesquioxide, Erbium trioxide and europium sesquioxide one or more.
In step 1 of the present invention) in, the condition of mixing can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, in step 1) in, mixing at least meets the following conditions: mixing temperature is-5 ~ 35 DEG C, and mixing time is 20-40min.
In step 3 of the present invention) in, the condition of maintenance can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, in step 3) in, maintenance at least meets the following conditions: mixing temperature is-5 ~ 40 DEG C, and mixing time is 5-7 days, and relative air humidity is 70-95%.
In the present invention, the mechanical property of the concrete stake that the more tight and then raising combined to make each component in concrete stake idiosome obtains, preferably, in step 2) after, this preparation method also comprises: concrete stake idiosome is carried out vibrations compacting or centrifugal compacting.
In the present invention, the concrete kind of cement can be selected in wide scope, but in order to make the concrete stake idiosome that obtains can in maintenance in more broadly scope to have more excellent mechanical property, preferably, to be label be cement 42.5, the silicate cement of 42.5R or 52.5.
Present invention also offers the stake of a kind of barium slag cement, this barium slag cement stake is obtained by the preparation of above-mentioned method.
Below will be described the present invention by embodiment.
Embodiment 1
1) cement (label is 42.5), sand (particle diameter is 0.45mm), barium slag (particle diameter is 0.3mm), ochre powder (particle diameter is 0.4mm), flyash, rare earth oxide (lanthanum trioxide), sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water are mixed 30min according to the weight ratio of 100:35:25:13:23:4:4:2:6:350 at 0 DEG C and obtain concrete;
2) concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) by concrete stake idiosome in 0 DEG C and relative air humidity is maintenance 6 days obtained barium slag cement stake A1 under the condition of 85%.
Embodiment 2
1) cement (label is 42.5R), sand (particle diameter is 0.4mm), barium slag (particle diameter is 0.2mm), ochre powder (particle diameter is 0.3mm), flyash, rare earth oxide (weight ratio of Neodymium trioxide and Praseodymium trioxide is 1:2), sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water are mixed 20min according to the weight ratio of 100:30:20:10:20:3:2:1:4:300 and obtains concrete at-5 DEG C;
2) concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) by concrete stake idiosome in-5 DEG C and relative air humidity is maintenance 5 days obtained barium slag cement stake A2 under the condition of 70%.
Embodiment 3
1) cement (label is 52.5), sand (particle diameter is 0.5mm), barium slag (particle diameter is 0.4mm), ochre powder (particle diameter is 0.5mm), flyash, rare earth oxide (weight ratio of Erbium trioxide and europium sesquioxide is 1:1), sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water are mixed 40min according to the weight ratio of 100:40:30:15:25:5:6:3:9:400 and obtains concrete at 35 DEG C;
2) concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) by concrete stake idiosome in 40 DEG C and relative air humidity is maintenance 7 days obtained barium slag cement stake A3 under the condition of 95%.
Embodiment 4
Obtained barium slag cement stake A4 is carried out according to the method for embodiment 1, unlike, be carry out maintenance process again after centrifugal treating 1h under the condition of 1200r/min in centrifugal rotational speed by concrete stake idiosome.
Comparative example 1
Obtained barium slag cement stake B1 is carried out according to the method for embodiment 2, unlike, step 1) do not use ochre powder.
Comparative example 2
Obtained barium slag cement stake B2 is carried out according to the method for embodiment 2, unlike, step 1) do not use rare earth oxide.
Comparative example 3
Obtained barium slag cement stake B3 is carried out according to the method for embodiment 2, unlike, step 1) do not use sodium metnylene bis-naphthalene sulfonate.
Comparative example 4
Obtained barium slag cement stake B4 is carried out according to the method for embodiment 2, unlike, step 1) do not use triterpenoid saponin.
Comparative example 5
Obtained barium slag cement stake B5 is carried out according to the method for embodiment 2, unlike, step 1) do not use calcium stearate.
Test example 1
1) observe the apparent of above-mentioned barium slag cement stake, record statistics, calculates qualification rate
wherein, salable product are surperficial crackless product, and concrete outcome is in table 1.
2) by the resistance to impact shock of Shanghai by the above-mentioned obtained barium slag cement stake of the YE-2000 hydraulic concrete pressure test machine testing of golden Instrument Ltd., concrete outcome is in table 1.
Table 1
| Qualification rate W (%) | Resistance to impact shock (kJ/m 2) | |
| A1 | 99.6 | 36 |
| A2 | 99.4 | 34 |
| A3 | 99.5 | 30 |
| A4 | 99.4 | 37 |
| B1 | 84.6 | 20 |
| B2 | 82.2 | 18 |
| B3 | 81.7 | 17 |
| B4 | 82.4 | 16 |
| B5 | 76.5 | 21 |
Known by above-described embodiment, comparative example and test example, method provided by the invention can use barium slag Substitute For Partial sand with the concrete stake of obtained excellent in mechanical performance, simultaneously the method to curing condition without rigors, at cold condition (-5 DEG C), also can carry out maintenance by (40 DEG C) shrimp under the high temperature conditions.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a preparation method for barium slag cement stake, is characterized in that, comprising:
1) the obtained concrete of cement, sand, barium slag, ochre powder, flyash, rare earth oxide, sodium metnylene bis-naphthalene sulfonate, triterpenoid saponin, calcium stearate and water mixing;
2) described concrete placement is formed concrete stake idiosome in Framework Of Steel Reinforcement;
3) described concrete stake idiosome is carried out maintenance and obtain the stake of barium slag cement.
2. preparation method according to claim 1, wherein, in step 1) in, relative to the described cement of 100 weight parts, the consumption of described sand is 30-40 weight part, the consumption of described barium slag is 20-30 weight part, the consumption of described ochre powder is 10-15 weight part, the consumption of described flyash is 20-25 weight part, the consumption of described rare earth oxide is 3-5 weight part, the consumption of described sodium metnylene bis-naphthalene sulfonate is 2-6 weight part, the consumption of described triterpenoid saponin is 1-3 weight part, the consumption of described calcium stearate is 4-9 weight part, the consumption of described water is 300-400 weight part.
3. preparation method according to claim 1 and 2, wherein, in step 1) in, the particle diameter of described sand is 0.4-0.5mm, and the particle diameter of described barium slag is 0.2-0.4mm, and the particle diameter of described ochre powder is 0.3-0.5mm.
4. preparation method according to claim 3, wherein, in step 1) in, described rare earth oxide be selected from lanthanum trioxide, Neodymium trioxide, Praseodymium trioxide, gadolinium sesquioxide, Erbium trioxide and europium sesquioxide one or more.
5. the preparation method according to claim 1 or 4, wherein, in step 1) in, described mixing at least meets the following conditions: mixing temperature is-5 ~ 35 DEG C, and mixing time is 20-40min.
6. the preparation method according to claim 1 or 4, wherein, in step 3) in, described maintenance at least meets the following conditions: mixing temperature is-5 ~ 40 DEG C, and mixing time is 5-7 days, and relative air humidity is 70-95%.
7. the preparation method according to claim 1 or 4, wherein, in step 2) after, described preparation method also comprises: described concrete stake idiosome is carried out vibrations compacting or centrifugal compacting.
8. the preparation method according to claim 1 or 4, wherein, to be label be described cement 42.5, the silicate cement of 42.5R or 52.5.
9. the stake of barium slag cement, is characterized in that, the stake of described barium slag cement is obtained by the method preparation in claim 1-8 described in any one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115073089A (en) * | 2022-06-14 | 2022-09-20 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Process and equipment for preparing non-autoclaved aerated concrete material by utilizing barium slag |
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| CN104058786A (en) * | 2014-07-04 | 2014-09-24 | 武汉理工大学 | High-performance aerated concrete building material utilizing barium slag and preparation method thereof |
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| CN101580347A (en) * | 2009-06-16 | 2009-11-18 | 南京师范大学 | Composite industrial residue mineralizer cement clinker and preparation method thereof |
| CN102531500A (en) * | 2012-01-06 | 2012-07-04 | 安顺市华洋新型建材有限责任公司 | Barium residue coal ash building block and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115073089A (en) * | 2022-06-14 | 2022-09-20 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Process and equipment for preparing non-autoclaved aerated concrete material by utilizing barium slag |
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Application publication date: 20151202 |