CN100526252C - Rubber powder modified concrete asphalt mortar - Google Patents
Rubber powder modified concrete asphalt mortar Download PDFInfo
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- CN100526252C CN100526252C CNB2007101334601A CN200710133460A CN100526252C CN 100526252 C CN100526252 C CN 100526252C CN B2007101334601 A CNB2007101334601 A CN B2007101334601A CN 200710133460 A CN200710133460 A CN 200710133460A CN 100526252 C CN100526252 C CN 100526252C
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- asphalt mortar
- modified concrete
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 66
- 239000000843 powder Substances 0.000 title claims abstract description 50
- 239000010426 asphalt Substances 0.000 title claims abstract description 45
- 239000004567 concrete Substances 0.000 title claims description 14
- 239000004576 sand Substances 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 11
- 239000013530 defoamer Substances 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 7
- 239000003469 silicate cement Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- -1 polysiloxane Polymers 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 239000011398 Portland cement Substances 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 229920000591 gum Polymers 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 150000002632 lipids Chemical class 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 150000003459 sulfonic acid esters Chemical class 0.000 claims description 2
- 230000000740 bleeding effect Effects 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000011427 bitumen mortar Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 16
- 238000002360 preparation method Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 238000010998 test method Methods 0.000 description 5
- 230000001804 emulsifying effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011396 hydraulic cement Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000989 no adverse effect Toxicity 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007728 cost analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229940074869 marquis Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/44—Thickening, gelling or viscosity increasing agents
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
Landscapes
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to rubber powder modified cement bitumen mortar which is formed by mixing the components with the weight ratio as follows: 100 parts of cement, 50 to 170 parts of emulsified asphalt, 5 to 80 parts of rubber powder, 160 to 230 parts of sand, 20 to 85 parts of water, 0.01 to 0.1 parts of aluminium powder, 0.1 to 0.5 parts of anti-foam additive and 0.05 to 0.2 parts of thickener. The invention adopts the rubber powder to partially substitute the emulsified asphalt to prepare CA mortar, thereby obviously improving the weathering resistance of the CA mortar and reducing the cost of the CA mortar; the CA mortar has better weathering resistance when the rubber powder has higher mix proportion. Within the dosage range of the invention, the rubber powder has no disadvantage to the performances of the CA mortar, such as workability, strength, modulus of elasticity, degree of separation, expansion rate, bleeding rate, frost resistance, etc.
Description
Technical field
The present invention relates to a kind of ballastless track mortar materials such as high-speed railway and urban light rail that are applicable to, particularly a kind of modifying rubber powder cement pitch prill mortar belongs to building material field.
Background technology
Cement asphalt mortar (being called for short the CA mortar) is the key components of plate-type slag-free orbit, and it plays stable and buffering effect in train operation, all has important effect to improving train security of running at high speed and the comfortableness of taking.The CA mortar strength is higher, survivable characteristics are arranged, therefore replace ballast aggregate to be poured between track plate and the concrete bed in the CA mortar, make track have elasticity on the one hand, the usefulness that can when laying, adjust the track construction error in passing on the other hand and be adjusted when keeping in repair in the future.The ballastless track structure is because of having good stability, lasting, few, the good endurance of maintenance load of track geometry size maintenance, bridge second phase dead load is little, can reduce tunnel clearance and reduce excavation area, the overall economic efficiency advantages of higher has obtained application more and more widely abroad on the Line for Passenger Transportation.Be to realize the passenger-cargo carriage separated time, with further promotion China rapid economy development, a large amount of layings of ballastless track on Line for Passenger Transportation have become the development trend of China Express Railway, and therefore, the CA mortar is with a wide range of applications in China.
Substantially all adopt starting material such as emulsified bitumen, cement, sand to prepare the CA mortar at present both at home and abroad, wherein the main effect of cement provides intensity, and emulsified bitumen provides elasticity for mortar.Because pitch is a kind of temperature-sensitive material, have that low temperature is easy to crack, the yielding characteristics of high temperature, prepare the shortcoming that there is the weathering resistance difference in the CA mortar with emulsified bitumen.In addition because and in the CA mortar consumption of emulsified bitumen higher, be generally 500kg/m
3About, and the market value of emulsified bitumen is generally 3600 yuan/ton, makes the price of CA mortar generally up to 2000 yuan/m
3Therefore, be necessary existing C A mortar is carried out modification, and reduce its cost simultaneously.
Japan is in order to improve the weathering resistance of CA mortar, invented a kind of P emulsion that can use at cold district, but can further increase the cost of CA mortar.There are some researches show, pitch is carried out modification, can improve heat-resisting, the winter hardiness of bituminous.Therefore, using modified emulsifying asphalt to replace common emulsified bitumen preparation CA mortar is an improvement direction, but because the asphalt emulsification difficulty after the modification is big, the emulsifying process complexity, and can significantly increase the cost of emulsified bitumen, therefore, use modified emulsifying asphalt preparation CA mortar to be difficult to realize simultaneously modification and the purpose that reduces cost.
Summary of the invention
The technical problem that will solve of the present invention is difficult to realize simultaneously modification and the problem that reduces cost with regard to being to use modified emulsifying asphalt preparation CA mortar, provides that a kind of production cost is low, the ballastless slab track special purpose rubber powder modified concrete asphalt mortar of good weatherability.
Because emulsified bitumen weathering resistance difference is the major cause of CA mortar weathering resistance difference, and the expense of emulsified bitumen accounts for more than 60% of whole mortar cost in the mortar, therefore, solve the problems of the technologies described above, key is to locate a kind of good weatherability, and the material more cheap than emulsified bitumen partly or entirely substitutes emulsified bitumen.
The applicant is by discovering, rubber is as a kind of elasticity macromolecular material, and its weathering resistance is significantly better than pitch, and rubber powder can be used as a kind of properties-correcting agent and improves the bituminous temperature sensitivity.Simultaneously, because the price of the rubber powder that is processed by waste rubber than emulsified bitumen considerably cheaper, therefore, if can substitute the elasticity speciality that emulsified bitumen not only can keep the CA mortar with rubber powder, also can realize modification and the purpose that reduces cost.
In addition, according to world environments health organization statistics, world's junked tire burden has reached 3,000,000,000, and with every year about 1,000,000,000 numeral increase.China is second largest in the world tire production state, and the annual junked tire that produces is above 5,000 ten thousand.Junked tire belongs to harmful solid waste, and how handling these junked tires is thorny problems that various countries face.Because reclaimed rubber is easy to generate secondary pollution in process of production, become the main path that waste old is recycled so produce rubber powder.
Therefore,, not only can realize improving the weathering resistance of CA mortar, reduce the target of CA mortar cost, also can economize on resources, the protection environment if can carry out modification to the CA mortar with the rubber powder that waste old processes.
The applicant finds after deliberation, because the flowability of CA mortar is bigger, and rubber powder is an inert substance, reunites easily in water, if with rubber powder replacing whole emulsified bitumen, and the then easy laminated segregation of mortar, bleeding, and can't construct.
Therefore, based on above-mentioned research, the applicant finally works out and takes partly to substitute the technical scheme of emulsified bitumen with rubber powder, thereby proposes a kind of rubber powder modified concrete asphalt mortar, and it is formulated by following components in mass portion number:
Cement (C): 100 parts
Emulsified bitumen (AE): 50～170 parts
Rubber powder (RP): 5～80 parts
Sand (S): 160～230 parts
Water (W): 20～85 parts
Aluminium powder (LF): 0.01～0.1 part
Defoamer (XP): 0.1-0.5 part
Thickening material (ZC): 0.05～0.2 part
Cement of the present invention is that strength grade is a kind of in 42.5 or 52.5 silicate cement, ordinary Portland cement, the early-strength type silicate cement.
Emulsified bitumen of the present invention is for splitting type slowly, and residuals content is 58%～63%, can be anionic, cationic or non-ionic type.
Rubber powder of the present invention is processed by waste old, its fineness 〉=80 orders; Described sand can be river sand, extra large sand or artificial sand, and fineness modulus is 1.4～2.2; The iron level of described aluminium powder≤0.8%, lead content≤0.03%, fineness satisfies water-covering capacity 〉=1350m
2/ kg; Described defoamer can be polysiloxane-based, alcohols, ethers, fatty acid, amine, phosphoric acid ester, lipid, stearate class, amides, sulfonic acid esters etc.; Described thickening material can be methylcellulose gum, carboxymethyl cellulose, ethyl cellulose, Natvosol, polyvinyl alcohol etc.
The present invention adopts rubber powder partly to substitute emulsified bitumen preparation CA mortar (mass ratio that rubber powder replaces emulsified bitumen reaches as high as 70%), can obviously improve the weathering resistance of CA mortar, reduces the cost of CA mortar; The rubber powder volume is high more, and the weathering resistance of CA mortar is good more, and in volume scope of the present invention, rubber powder all has no adverse effect to performances such as the workability of CA mortar, intensity, Young's modulus, resolution, rate of expansion, bleeding rate, frost resistances.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the embodiment of table 1.
Table 1 embodiment proportioning
The preparation method of each Comparative Examples and step are in the table 1: adopt glue sand agitator that " Test method for strength of hydraulic cement mortar " (GB/T17671-1999) stipulate to add emulsified bitumen → water → siccative (sand that mixes, cement,, aluminium powder, defoamer, thickening material) successively under condition of stirring at a slow speed, siccative adds the back and stirs 3min fast, and then stirs 1min at a slow speed.
The preparation method of each embodiment and step are in the table 1: adopt glue sand agitator that " Test method for strength of hydraulic cement mortar " (GB/T17671-1999) stipulate to add emulsified bitumen → water → rubber powder → siccative (sand that mixes, cement,, aluminium powder, defoamer, thickening material) successively under condition of stirring at a slow speed, siccative adds the back and stirs 3min fast, and then stirs 1min at a slow speed.
After the mortar moulding for preparing, carry out degree of mobilization, operable time, air content, unit volume quality, ultimate compression strength, Young's modulus, resolution, rate of expansion, bleeding rate, the frost resistance test of CA mortar according to the test method that " railroad track design specifications " (TB10082-2005) stipulated.
The test methods and procedures that the weathering resistance of CA mortar adopts is:
(1) with the CA mortar of the qualified system of mixing of slump test after 10 minutes, inject the model of 40 * 40 * 160mm, 8 groups of test specimens of once shaped, every group of sample number is 3.
(2) the test specimen normal curing is after 28 days, and wherein 4 groups of test specimens are put into quick anti-marquis's proofing box (light source: 6000W water-cooled tubulose xenon lamp; The distance of test specimen and light source: 35～40cm; 60 ± 2 ℃ of working spaces's air themperature; Relative humidity: 70 ± 5%RH; The simulated rainfall cycle: the every irradiation of sample 1 hour, rainfall 9 minutes) specimen holder frame, and it is inserted on the rotary drum, machine by the working specification of growth cabinet, to test by test conditions, irradiation time is 500h.Simultaneously other 4 groups contrast test specimen is continued to place 20 ± 3 ℃, carry out normal curing in the environment of 65 ± 5%RH.
(3) when irradiation time respectively 0,100,300, during 500h, respectively to illuminated test specimen and with the length of time not irradiated standard specimen carry out bending test, check the appearance change situation of test specimen simultaneously.
(4) be calculated as follows the relative folding strength of different irradiation time CA mortar specimens:
In the formula: R
tThe folding strength value of the illuminated test specimen of---different irradiation time, MPa;
R
0The folding strength value of---identical period normal curing test specimen, MPa;
The relative folding strength of the different irradiation time test specimens of R---, %.
Wherein the relative folding strength value of sample is got the arithmetical av of every group of three relative folding strengths of test specimen.
Listed the performance of each Comparative Examples and embodiment in the table 2.
Table 2 CA mortar performance index request and embodiment test-results
As can be seen from Table 2, partly substitute emulsified bitumen preparation CA mortar with rubber powder, can obviously improve the weathering resistance of CA mortar, the rubber powder volume is high more, the weathering resistance of CA mortar is good more, in volume scope of the present invention, rubber powder all has no adverse effect to performances such as the workability of CA mortar, intensity, Young's modulus, resolution, rate of expansion, bleeding rate, frost resistances.
According to market survey as can be known, the raw-material average unit cost of CA mortar is: cement: 360 yuan/ton, and emulsified bitumen: 3600 yuan/ton, rubber powder: 2500 yuan/ton, sand: 150 yuan/ton, water: 3 yuan/ton, aluminium powder: 5000 yuan/ton, defoamer: 50000 yuan/ton, thickening material: 30000 yuan/ton.Can calculate the cost of each Comparative Examples and embodiment mortar according to above-mentioned unit price, see Table 3.
Table 3 CA mortar cost analysis table
As can be seen from Table 3, can obviously reduce its cost with rubber powder preparation CA mortar, the volume of rubber powder is many more, and cost is low more.
Claims (9)
1, a kind of rubber powder modified concrete asphalt mortar is characterized in that by following components in mass portion number formulated:
Cement: 100 parts, emulsified bitumen: 50～170 parts, rubber powder: 5～80 parts, sand: 160～230 parts, water: 20～85 parts, aluminium powder: 0.01～0.1 part, defoamer: 0.1-0.5 part, thickening material: 0.05～0.2 part.
2, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described cement is that strength grade is 42.5 or 52.5 silicate cement, in the ordinary Portland cement any one.
3, as rubber powder modified concrete asphalt mortar as described in the claim 2, it is characterized in that described silicate cement is the early-strength type silicate cement.
4, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described emulsified bitumen for splitting type slowly, and residuals content is 58%～63%, can be anionic, cationic or non-ionic type.
5, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described rubber powder is processed by waste old, its fineness 〉=80 orders.
6, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described sand is selected from river sand, extra large sand or artificial sand, and fineness modulus is 1.4～2.2.
7, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that iron level≤0.8% of described aluminium powder, lead content≤0.03%, and fineness satisfies water-covering capacity 〉=1350m
2/ kg.
8, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described defoamer is selected from polysiloxane-based, alcohols, ethers, fatty acid, amine, phosphoric acid ester, lipid, stearate class, amides, sulfonic acid esters.
9, rubber powder modified concrete asphalt mortar according to claim 1 is characterized in that described thickening material is selected from methylcellulose gum, carboxymethyl cellulose, ethyl cellulose, Natvosol, polyvinyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101334601A CN100526252C (en) | 2007-09-30 | 2007-09-30 | Rubber powder modified concrete asphalt mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101334601A CN100526252C (en) | 2007-09-30 | 2007-09-30 | Rubber powder modified concrete asphalt mortar |
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| Publication Number | Publication Date |
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| CN101172823A CN101172823A (en) | 2008-05-07 |
| CN100526252C true CN100526252C (en) | 2009-08-12 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767964B (en) * | 2009-12-25 | 2012-05-16 | 北京工业大学 | Cement asphalt mortar material with low elastic modulus |
| CN102173628B (en) * | 2011-03-16 | 2013-02-13 | 江苏博特新材料有限公司 | Shrinkage-reducing compound additive capable of effectively reducing CA (cement and asphalt) mortar bleeding, and CA mortar dry material and CA mortar containing same |
| 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 |
| CN102276199A (en) * | 2011-05-27 | 2011-12-14 | 江苏博特新材料有限公司 | Cement-emulsified asphalt self-permeation grouting material applied to semi-flexible pavement |
| CN102336547B (en) * | 2011-06-28 | 2014-03-26 | 中国海洋石油总公司 | Cement asphalt mortar with high elastic damping |
| CN102336546A (en) * | 2011-06-28 | 2012-02-01 | 中国海洋石油总公司 | High cohesiveness CA mortar |
| CN102507376B (en) * | 2011-11-03 | 2013-10-16 | 西南交通大学 | Method for rapidly evaluating separation degree of cement asphalt mortar |
| CN102745960A (en) * | 2012-06-30 | 2012-10-24 | 浙江工业大学 | Vibration isolating rubber mortar |
| CN102850020B (en) * | 2012-08-17 | 2014-07-30 | 苏州市德莱尔建材科技有限公司 | High temperature-resistant pavement mortar |
| CN104860603B (en) * | 2015-04-09 | 2017-10-24 | 西南交通大学 | Subway damping type cement emulsified asphalt mortar |
| CN108689624A (en) * | 2018-07-06 | 2018-10-23 | 佛山陵朝新材料有限公司 | A kind of high mating type discards the preparation method of rubber powder composite mortar material |
| CN113025072A (en) * | 2021-04-08 | 2021-06-25 | 广西交科集团有限公司 | Rubber powder modified asphalt and production process thereof |
| CN115536325A (en) * | 2021-06-30 | 2022-12-30 | 江苏苏博特新材料股份有限公司 | Graphene modified emulsified asphalt-cement-based composite railway ballast elastic curing grouting material and preparation method and application thereof |
| CN114685121B (en) * | 2022-04-11 | 2023-02-28 | 山东仝聚建筑节能科技有限公司 | Composite mortar and production process thereof |
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| Publication number | Publication date |
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| CN101172823A (en) | 2008-05-07 |
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