CN101407397A - Modified similar material and preparation thereof - Google Patents
Modified similar material and preparation thereof Download PDFInfo
- Publication number
- CN101407397A CN101407397A CNA2008101585229A CN200810158522A CN101407397A CN 101407397 A CN101407397 A CN 101407397A CN A2008101585229 A CNA2008101585229 A CN A2008101585229A CN 200810158522 A CN200810158522 A CN 200810158522A CN 101407397 A CN101407397 A CN 101407397A
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- Prior art keywords
- water
- rubber powder
- cement
- similar material
- river sand
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/50—Flexible or elastic materials
- C04B2111/503—Elastic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a modification similar material and a preparation method thereof. The modification similar material is characterized in that cement and river sand are chosen as the main materials, rubber powder is chosen as a modification component, and an early strength antifreeze agent and a water reducing agent are added to prepare the material. The mortar material used for simulating real rocks has the components by weight percent of 15-35 parts of cement, 45-65 parts of river sand, 6-17 parts of water, 1-40 parts of rubber powder, 0.3-1 part of early strength antifreeze agent, 0.3-0.7 part of waterproof agent and 0.1-0.5 part of water reducing agent. The modification similar material has the advantages of convenient sources, easy molding, easy processing and stable mechanical performance, which is unaffected by external conditions and is applicable for manufacturing elastic models.
Description
Technical field
The present invention relates to a kind of modified similar material and preparation method thereof, concretely, relate to a kind of mortar material that is used to simulate true rock.
Background technology
The analog simulation test is by certain how much, physical relation, replaces prototype to carry out testing research with model, and result of study is used for the test method of prototype.It is a kind of important scientific research means, be in the laboratory, to make the model similar to prototype by similarity principle, by the force parameter and the regularity of distribution thereof in the testing instrument observation model, the result that utilization is studied on model, so as to contingent mechanics phenomenon and rock mass pressure distribution rule in the deduction prototype, thus the practical problems in the production of solution rock mass engineering project.This research method has directly perceived, easy, economical, quick and advantage such as the test period is short.And can be as required, by fixing some parameter, changing other parameters and study stress rule over time in the actual engineering, these all are difficult to realize under the condition at the scene.
Analog material is the key of similar test success or not, requires for this must satisfy analog material:
(1) structural similitude of the main mechanical property of analog material and mimic rock stratum.During as the simulated damage process, should make the unidirectional ultimate compression strength of analog material and tensile strength similar in appearance to the prototype material;
(2) stable mechanical property of material is not subject to the influence of ambient conditions (humidity, temperature etc.);
(3) proportioning of change material can make the mechanical property of material change, to adapt to the needs of simulated condition.
(4) moulding easily is easy to make, and setting time is short;
(5) material source is wide, and is with low cost.
At present, the analog material that is used for similar test has a variety of, such as paraffin, pure gypsum, gypsum diatomite hybrid analog-digital simulation material, cement float stone compound etc., though these analog materials have played certain effect in concrete test,, a lot of shortcomings are still arranged, such as paraffin, this material need apply certain temperature when making test specimen, and therefore inconvenient operation is of little use; The Young's modulus adjustable extent of gypsum is little, and the ratio of ultimate compression strength and tensile strength is too small, thereby its range of application has been subjected to certain restriction; The analog material that gypsum, diatomite and water cooperation form the phenomenon of volume-diminished can occur along with the increase of diatomaceous incorporation.For this reason, a kind of analog material that can satisfy the similar test requirement of exploitation is very necessary.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can at utmost satisfy the analog material of similar test requirement, can be used to serve the similar test of scientific research with simulation rock.
The modified similar material that the present invention proposes, adopting Portland cement or short-term strength cement, river sand is main raw material, is modified component with the rubber powder, and in addition early strength antifreezing agent, water reducer prepare, and the prescription of its compositions in weight percentage is as follows:
Cement 15-35 part
River sand 45-65 part
Water 6-15 part
Rubber powder 1-40 part
Early strength antifreezing agent 0.3-1 part
Water-resisting agent 0.3-0.7 part
Water reducer 0.1-0.5 part
Its more excellent set of dispense is such as following:
Cement 20-30 part
River sand 50-60 part
Water 8-12 part
Rubber powder 3-10 part
Early strength antifreezing agent 0.6-0.9 part
Water-resisting agent 0.4-0.6 part
Water reducer 0.2-0.4 part
In order to reach better effect, rubber powder is preferably 40 order rubber powders.
In order to reach better effect, rubber powder can be handled through strong base solution earlier, treatment process is: earlier rubber powder and the solution that contains 1%NaOH are put into according to 1: 10～15 ratio and contained 1%NaOH solution and soak 40min, use the flushing with clean water rubber powder then, be put in the ventilation natural air drying.
The preparation method of the modified similar material that the present invention proposes is as follows:
(1) takes by weighing cement, river sand, rubber powder, early strength antifreezing agent, water reducer and water respectively by weight percentage;
(2) with the blending of water and water-resisting agent and stir;
(3) pour cement, river sand and rubber powder into stirrer, stirred 3-5 minute;
(4) in stirrer, add early strength antifreezing agent and water reducer again, stirred 3 minutes;
(5) in step (4), stir in, add the mixing liquid that obtains by step (2), stir.
This modified similar material has following characteristics:
This analog material convenient sources, easily moulding, be easy to processing, stable mechanical property, be not subject to the ambient conditions influence, be fit to do the linear elasticity model.
Description of drawings
Fig. 1 is the stress-strain curve of simulation protolith 1;
Fig. 2 is the stress-strain curve of simulation protolith 2;
Fig. 3 is the stress-strain curve of simulation protolith 3.
Embodiment
In conjunction with content of the present invention example is proposed:
Modified similar material, adopting Portland cement or short-term strength cement, river sand is main raw material, is modified component with the rubber powder, in addition early strength antifreezing agent, water reducer prepare.According to concrete similar test requirement,, can obtain required mechanical property by adjusting prescription.
Embodiment 1 (being used to simulate protolith 1)
23.3 parts of cement
62.1 parts in river sand
9.7 parts in water
3.2 parts of rubber powders
0.9 part of early strength antifreezing agent
0.6 part of water-resisting agent
0.2 part of water reducer
Below by weight.
Pour cement, river sand and rubber powder into stirrer, stirred 3 minutes; Add early strength antifreezing agent and water reducer again, stirred 3 minutes; Add simultaneously blending of water and water-resisting agent and the mixing liquid that stirs, stir.In order to reach better effect, rubber powder can be handled through strong base solution earlier, treatment process is: earlier rubber powder and the solution that contains 1%NaOH are put into according to 1: 11 ratio and contained 1%NaOH solution and soak 40min, use the flushing with clean water rubber powder then, be put in the ventilation natural air drying.
The modified similar material that obtains is through becoming mould, maintenance (7d), its stress-strain curve as shown in Figure 1:
Compare with the mechanical property of protolith 1, obtain a result, satisfy the similar test requirement.
Embodiment 2 (being used to simulate protolith 2)
26.2 parts of cement
55.6 parts in river sand
10.5 parts in water
6.2 parts of rubber powders
0.8 part of early strength antifreezing agent
0.5 part of water-resisting agent
0.3 part of water reducer
Below by weight.
Pour cement, river sand and rubber powder into stirrer, stirred 4 minutes; Add early strength antifreezing agent and water reducer again, stirred 3 minutes; Add simultaneously blending of water and water-resisting agent and the mixing liquid that stirs, stir.In order to reach better effect, rubber powder can be handled through strong base solution earlier, treatment process is: earlier rubber powder and the solution that contains 1%NaOH are put into according to 1: 13 ratio and contained 1%NaOH solution and soak 40min, use the flushing with clean water rubber powder then, be put in the ventilation natural air drying.
The modified similar material that obtains is through becoming mould, maintenance (7d), its stress-strain curve as shown in Figure 2:
Compare with the mechanical property of protolith 2, obtain a result, satisfy the similar test requirement.
Embodiment 3 (being used to simulate protolith 3)
27.2 parts of cement
51 parts in river sand
11 parts in water
9.3 parts of rubber powders
0.9 part of early strength antifreezing agent
0.4 part of water-resisting agent
0.2 part of water reducer
Below by weight.
Pour cement, river sand and rubber powder into stirrer, stirred 5 minutes; Add early strength antifreezing agent and water reducer again, stirred 3 minutes; Add simultaneously blending of water and water-resisting agent and the mixing liquid that stirs, stir.In order to reach better effect, rubber powder can be handled through strong base solution earlier, treatment process is: earlier rubber powder and the solution that contains 1%NaOH are put into according to 1: 14 ratio and contained 1%NaOH solution and soak 40min, use the flushing with clean water rubber powder then, be put in the ventilation natural air drying.
The modified similar material that obtains is through becoming mould, maintenance (7d), its stress-strain curve as shown in Figure 3:
Compare with the mechanical property of protolith 3, obtain a result, satisfy the similar test requirement.
Claims (5)
1, a kind of modified similar material, it is characterized in that adopting Portland cement, short-term strength cement or white portland cement, river sand is main raw material, with the rubber powder is modified component, and early strength antifreezing agent, water reducer prepare in addition, and the prescription of its compositions in weight percentage is as follows:
Cement 15-35 part
River sand 45-65 part
Water 6-17 part
Rubber powder 1-40 part
Early strength antifreezing agent 0.3-1 part
Water-resisting agent 0.3-0.7 part
Water reducer 0.1-0.5 part.
2, modified similar material according to claim 1 is characterized in that each composition weight proportioning is as follows:
Cement 20-30 part
River sand 50-60 part
Water 8-15 part
Rubber powder 3-10 part
Early strength antifreezing agent 0.6-0.8 part
Water-resisting agent 0.4-0.6 part
Water reducer 0.2-0.4 part.
3, modified similar material according to claim 1 and 2 is characterized in that, described rubber powder is 40 order rubber powders.
4, modified similar material according to claim 1 and 2 is characterized in that, described rubber powder is handled through strong base solution;
Treatment process: earlier rubber powder and the solution that contains 1%NaOH are put into according to 1: 10～15 ratio and contained 1%NaOH solution and soak 40min, use the flushing with clean water rubber powder then, be put in the ventilation natural air drying.
5, the preparation method of modified similar material according to claim 1 is characterized in that being made up of following steps:
(1) takes by weighing cement, river sand, rubber powder, early strength antifreezing agent, water reducer and water respectively by weight percentage;
(2) with the blending of water and water-resisting agent and stir;
(3) pour cement, river sand and rubber powder into stirrer, stirred 3-5 minute;
(4) in stirrer, add early strength antifreezing agent and water reducer again, stirred 3 minutes;
(5) in step (4), stir in, add the mixing liquid that obtains by step (2), stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101585229A CN101407397A (en) | 2008-11-03 | 2008-11-03 | Modified similar material and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101585229A CN101407397A (en) | 2008-11-03 | 2008-11-03 | Modified similar material and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101407397A true CN101407397A (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101585229A Pending CN101407397A (en) | 2008-11-03 | 2008-11-03 | Modified similar material and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101407397A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942205A (en) * | 2010-08-13 | 2011-01-12 | 中国矿业大学 | Elastoplastic equivalent material and preparation method thereof |
| CN102225856A (en) * | 2011-04-14 | 2011-10-26 | 中国新兴保信建设总公司 | Crack-resisting mortar for insulation of modified rubber powder and preparation method thereof |
| CN102557551A (en) * | 2011-12-19 | 2012-07-11 | 山东大学 | Fluid-solid coupling similar material for model test and preparation method for material |
| CN103145382A (en) * | 2013-03-06 | 2013-06-12 | 北京新奥混凝土集团有限公司 | Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar |
| CN103265245A (en) * | 2013-06-09 | 2013-08-28 | 浙江方远建材科技有限公司 | Rubber noise-reduction wear-resistant road brick and preparation method thereof |
| CN103508710A (en) * | 2012-06-15 | 2014-01-15 | 中国石油化工股份有限公司 | Seismic physical reservoir model, and preparation method and application thereof |
| CN103759996A (en) * | 2014-01-15 | 2014-04-30 | 中国人民解放军总参谋部工程兵科研三所 | Low-strength tamped cement mortar model |
| CN105067403A (en) * | 2015-07-28 | 2015-11-18 | 大连理工大学 | Clay simulated concrete and adjusting simulation method of plasticity of clay simulated concrete |
| CN108439914A (en) * | 2018-05-16 | 2018-08-24 | 中国人民解放军陆军工程大学 | Cement-based high-strength geomechanical model test similar material and preparation method thereof |
| CN108751871A (en) * | 2018-07-26 | 2018-11-06 | 成都理工大学 | A kind of modified cement-based grouting material of waste Crumb rubber |
| CN110204266A (en) * | 2019-06-27 | 2019-09-06 | 辽宁工程技术大学 | A kind of elastic-plastic model test analog material and preparation method thereof |
-
2008
- 2008-11-03 CN CNA2008101585229A patent/CN101407397A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942205B (en) * | 2010-08-13 | 2012-03-07 | 中国矿业大学 | Elastoplastic equivalent material |
| CN101942205A (en) * | 2010-08-13 | 2011-01-12 | 中国矿业大学 | Elastoplastic equivalent material and preparation method thereof |
| CN102225856A (en) * | 2011-04-14 | 2011-10-26 | 中国新兴保信建设总公司 | Crack-resisting mortar for insulation of modified rubber powder and preparation method thereof |
| CN102225856B (en) * | 2011-04-14 | 2012-09-12 | 中国新兴保信建设总公司 | Crack-resisting mortar for insulation of modified rubber powder and preparation method thereof |
| CN102557551B (en) * | 2011-12-19 | 2013-08-28 | 山东大学 | Fluid-solid coupling similar material for model test and preparation method for material |
| CN102557551A (en) * | 2011-12-19 | 2012-07-11 | 山东大学 | Fluid-solid coupling similar material for model test and preparation method for material |
| CN103508710A (en) * | 2012-06-15 | 2014-01-15 | 中国石油化工股份有限公司 | Seismic physical reservoir model, and preparation method and application thereof |
| CN103508710B (en) * | 2012-06-15 | 2016-01-20 | 中国石油化工股份有限公司 | A kind of seismic physical reservoir model and its preparation method and application |
| CN103145382A (en) * | 2013-03-06 | 2013-06-12 | 北京新奥混凝土集团有限公司 | Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar |
| CN103145382B (en) * | 2013-03-06 | 2014-07-02 | 新奥生态建材有限公司 | Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar |
| CN103265245A (en) * | 2013-06-09 | 2013-08-28 | 浙江方远建材科技有限公司 | Rubber noise-reduction wear-resistant road brick and preparation method thereof |
| CN103759996A (en) * | 2014-01-15 | 2014-04-30 | 中国人民解放军总参谋部工程兵科研三所 | Low-strength tamped cement mortar model |
| CN105067403A (en) * | 2015-07-28 | 2015-11-18 | 大连理工大学 | Clay simulated concrete and adjusting simulation method of plasticity of clay simulated concrete |
| CN108439914A (en) * | 2018-05-16 | 2018-08-24 | 中国人民解放军陆军工程大学 | Cement-based high-strength geomechanical model test similar material and preparation method thereof |
| CN108751871A (en) * | 2018-07-26 | 2018-11-06 | 成都理工大学 | A kind of modified cement-based grouting material of waste Crumb rubber |
| CN110204266A (en) * | 2019-06-27 | 2019-09-06 | 辽宁工程技术大学 | A kind of elastic-plastic model test analog material and preparation method thereof |
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Open date: 20090415 |