CN100509687C - Emulsification asphalt cement mortar for orbit and preparing method and use thereof - Google Patents
Emulsification asphalt cement mortar for orbit and preparing method and use thereof Download PDFInfo
- Publication number
- CN100509687C CN100509687C CNB2007100496191A CN200710049619A CN100509687C CN 100509687 C CN100509687 C CN 100509687C CN B2007100496191 A CNB2007100496191 A CN B2007100496191A CN 200710049619 A CN200710049619 A CN 200710049619A CN 100509687 C CN100509687 C CN 100509687C
- Authority
- CN
- China
- Prior art keywords
- parts
- asphalt cement
- emulsification asphalt
- swelling agent
- cement mortar
- 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.)
- Expired - Fee Related
Links
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
- C04B28/04—Portland cements
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
This invention relates to the preparation method and use of Elestex cement plaster used in railroad. This inventive Elestex cement plaster is composed of: cement, Elestex, sands, expanding agent, stabilizer and water. The weight parts of them are: cement (with its grade of 425#-525#) 100 parts: Elestex (with its volume content 58-63%) 75-115 parts; sands (with its fineness modulus 1.4-2.2) 140-240 parts; expanding agent 0.4-0.9 parts; stabilizing agent 4-9 parts and water 20-35 parts. This inventive product has advantages of: simple preparation, low cost, excellent properties of high temperature-resistance, anti-frozen, no eduction water effusion, no need of higher equipment requirement and environmental requirement for preparation of the same and after-paving operation, with high production rate, low cost, less pollution.
Description
Technical field
The invention belongs to the road building material field, be specifically related to a kind of emulsification asphalt cement mortar for orbit and its production and use.
Background technology
Emulsification asphalt cement mortar is to be main raw material by cement, emulsified bitumen, adds other complementary compositions and stirs through special process at normal temperatures and make.After it utilizes the cement suction, in hydration process, quicken the emulsified bitumen breakdown of emulsion, wrap sand by cement-hydrate and pitch and form a kind of cubic network, have good fluidity, operable time length, have expansion, later stage not to have characteristics such as contraction in early days, its mechanics feature is to couple hardness with softness, based on gentle.
In board-like no slag rail system, track plate discharging finishes and after the calbiration system accurate adjustment, the space that one 3~5cm is arranged in the middle of track plate and the hydraulicity concrete bearing bed (HGT), utilize emulsification asphalt cement mortar (CA mortar) good flowing property to guarantee that this space fills up fully, play smart flat effect, can also utilize its suitable elasticity simultaneously to play the vibration-damping noise-reducing effect.
The production of CA mortar is one of core technology of plate-type slag-free orbit with construction, and Japan, Germany all want to carry out corner on the market with this technology.And China starts late at research high, the speed rail plate type slag-free orbit CA mortar, from the nineties CA mortar that begins one's study in last century, and has carried out the in-site pouring test of CA mortar at Qin-Shen Passenger Line, Gan Longxian, and effect is not ideal enough.
Chinese patent application 200610018437.3 discloses a kind of CA mortar material that expands controlled, and this material is by cement, emulsified bitumen, sand, and feedstock production such as steel-making slag powder, swelling agent, aluminium powder, water reducer form.This invention CA mortar material rate of expansion is comparatively stable, certain frost resistance is arranged, but its prescription is complicated, and resistance to elevated temperatures is very poor, also has segregation infiltration phenomenon to occur in actual use, is difficult to satisfy the construction requirements of high-speed railway.
On the existing market preferably the CA mortar material mainly by Japan and German company provide, but its prescription is not known, can't repeat preparation, and the CA mortar material of Japan and Germany is costly, very high when preparation is laid to the requirement of equipment and envrionment conditions, be difficult at large-scale promotion application from far-off regions.Simultaneously, temperature can not surpass 30 ℃ of upper limits when also there was construction in existing CA mortar material, can not cross the significant deficiency that construct under the low temperature, all was difficult to normally prepare use outdoor in China's geographic summer of major part and winter.
Summary of the invention
First technical problem to be solved by this invention provides a kind of emulsification asphalt cement mortar.This emulsification asphalt cement mortar is to be mixed as raw material stirring by cement, emulsified bitumen, sand, swelling agent, stablizer and water, and wherein the weight proportion of each raw material is: label is the cement of 425#~525#: 100 parts; The pitch volume content is 58%~63% emulsified bitumen: 75~115 parts; The sand of fineness modulus 1.4~2.2: 140~240 parts; Swelling agent: 0.4~0.9 part; Stablizer: 4~9 parts; Water: 20~35 parts.
Preferably, the weight proportion of each raw material is in the above-mentioned emulsification asphalt cement mortar: label is the cement of 425#~525#: 100 parts; The pitch volume content is 59%~62% emulsified bitumen: 85~110 parts; The sand of fineness modulus 1.4~2.0: 160~220 parts; Swelling agent: 0.5~0.8 part; Stablizer: 5~8 parts; Water: 22~30 parts.
Preferred, the weight proportion of above-mentioned each raw material is: label is the cement of 425#~525#: 100 parts; The pitch volume content is 59% emulsified bitumen: 110 parts; The sand of fineness modulus 1.4~1.6: 160 parts; Swelling agent: 0.8 part; Stablizer: 8 parts; Water: 22 parts.
Wherein, also being added with weight ratio in the above-mentioned swelling agent is swelling agent gross weight 1%~3%, and fineness is 200~250 purpose aluminium powders.
Second technical problem to be solved by this invention provides a kind of method for preparing above-mentioned emulsification asphalt cement mortar.This method may further comprise the steps:
A, prepare various raw materials by proportioning;
B, above-mentioned raw materials is added stirrer stirred 550~650 seconds.
Wherein, swelling agent among the aforesaid method step b and stablizer add in last 20~40 seconds of whipping process.
Wherein, the rotating speed of the whipping process among the aforesaid method step b is at 60~80 rev/mins.
Wherein, should to control the volume content of gas in the emulsification asphalt cement mortar be 8~12% to the whipping process among the aforesaid method step b.
The 3rd technical problem to be solved by this invention provides the application of above-mentioned emulsification asphalt cement mortar in laying no slag rail system.
According to an aspect of the present invention, emulsification asphalt cement mortar of the present invention is to be mixed as raw material stirring by cement, emulsified bitumen, sand, swelling agent, stablizer and water.
Cement wherein mainly provides intensity, and can select label is the common building cement of 425#~525#.
Emulsified bitumen wherein mainly provides indispensable elasticity, can select pitch volume content 58%~63%, can reach the commercially available emulsified bitumen that this area quality standard requires, also can carry out emulsification by state of the art to pitch voluntarily and prepare the emulsified bitumen that meets above-mentioned requirements.
Sand wherein plays fills and provides the intensity effect, select for use common building sand to get final product, but its fineness modulus should be controlled between 1.4~2.2, it is controlled between 1.6~1.8 as far as possible, can effectively reduce emulsified asphalt slurry and inject the segregation infiltration phenomenon that occurs behind the aftershaping, and it is excessive to emanate, and can cause the inhomogeneous of CA mortar strength, finally directly influences the ride comfort of track.
Water wherein mainly plays aquation, and the degree of mobilization that can effectively regulate emulsification asphalt cement mortar is in suitable scope.
Wherein swelling agent works the mortar expansion rate effect of adjusting, the swelling agent that can use this area to use always, and preferred scheme is to add the swelling agent that aluminium powder is suitable for as the present invention in swelling agent commonly used, the add-on of aluminium powder is 1%~3% of a swelling agent gross weight.
Stablizer wherein mainly plays the stabilization of control mortar temperature, can use this area stablizer commonly used, is preferably the pc agent.
According to another aspect of the present invention, the method for preparing emulsification asphalt cement mortar of the present invention mainly may further comprise the steps: a, prepare various raw materials by proportioning; B, above-mentioned raw materials is added stirrer stirred 550~650 seconds.Preferred scheme is that swelling agent and stablizer are added in last 20~40 seconds of whipping process, makes its uniform distribution by quick stirring.Each composition profiles in the CA mortar that this optimal technical scheme is produced is more even relatively, and the volume of bubble is littler, and the uniform distribution of this small bubbles can be regulated the Young's modulus of CA mortar better, thereby improves the weather resistance and the freezing tolerance of CA mortar.
Simultaneously, the speed of rotation of stirrer and churning time also can greatly have influence on the air content of CA mortar, thereby influence its freezing tolerance.Suitably improve CA mortar air content its freezing tolerance is strengthened, but simultaneously along with the increase of air content, mortar strength can decrease.Its suitable air content is: 8~12%.Use order of addition(of ingredients) and churning time among the present invention, reach the purpose of control emulsification asphalt cement mortar air content easily.
According to a third aspect of the present invention, emulsification asphalt cement mortar of the present invention is owing to be mainly used in laying in the no slag rail system.Be used for filling up well track plate and hydraulicity concrete bearing bed (HGT) intermediary space, play smart flat effect, can also utilize its suitable elasticity simultaneously to play certain vibration-damping noise-reducing effect.
Beneficial effect of the present invention is: the prescription of product of the present invention is simple, and starting material are simple and easy to, and cost is far below commercially available like product at present; High temperature resistant all very outstanding with anti-freezing property, fully segregation infiltration phenomenon occurs in actual use; Less demanding to equipment and envrionment conditions when preparation is laid both can (more than 5 ℃) be laid under low temperature, also can (below 45 ℃) lay under hot conditions, can be at large-scale promotion application from far-off regions; The inventive method has been saved equipment and cost, can use cheap cement plaster blender (being commonly called as mill youngster machine) to replace special-purpose emulsification asphalt cement mortar mortar mixer to stir, greatly reduce cost, and production efficiency height, pollute few, be beneficial to industrialized production, have good market outlook.
Below by to the description of embodiment, illustrate but do not limit the present invention.
Embodiment
The preparation and the Performance Detection of embodiment 1 emulsification asphalt cement mortar of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 63% emulsified bitumen (quality index detects and sees Table 1): 75 parts; The sand of fineness modulus 1.8~2.2: 240 parts; In the U type ordinary concrete swelling agent that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into and account for 200~250 order aluminium powders that swelling agent gross weight 1.5% The Southwest aluminum fabrication produces as swelling agent: 0.4 part; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is 15~30% pc agent: 4 parts; Water: 35 parts.
The main performance index of the emulsified bitumen that table 1 embodiment 1 uses
Preparation process: the emulsified bitumen in the above-mentioned raw materials, water, sand, cement are put into common vertical cement stirrer, stir 9 minutes 30 seconds, adding swelling agent and stablizer then continues to stir 30 seconds,, promptly get the mixed solution (quality detection project and the results are shown in Table 2) of emulsification asphalt cement mortar material of the present invention.
Use: will pour into space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) for the above-mentioned emulsification asphalt cement mortar mixed solution that makes at the scene about 32 ℃~45 ℃ in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 2) of Performance Detection on request.
The CA mortar mixed solution of table 2 embodiment of the invention 1 preparation and the performance index of cured article
Remarks: the appendix that records every detection method of indication all refers to the appendix of " line plate-type slag-free orbit emulsified bitumen concrete (CA) mortar technical qualification then change " in the various embodiments of the present invention; Issue by the 2005.6.3 of The Ministry of Railway of the People's Republic of China, MOR.
In January, 2007, the nothing quarrel rail test section of this use present embodiment being laid by the expert group of Ministry of Railways's tissue has carried out inner dynamic test, when real vehicle speed reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test, mortar outward appearance no change in track structure performance test process.
The preparation and the Performance Detection of embodiment 2 emulsification asphalt cement mortars of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 62% emulsified bitumen (quality index detects and sees Table 3): 85 parts; The sand of fineness modulus 1.6~2.0: 220 parts; In the efficient concrete swelling agent of U1 type that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into 200~250 order aluminium powders that the The Southwest aluminum fabrication that accounts for 0.5 part 1.5% of swelling agent gross weight produces as swelling agent; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is 15~30% pc agent: 5 parts; Water: 30 parts.
The main performance index of the emulsified bitumen that table 3 embodiment 2 uses
Preparation process: above-mentioned raw materials is mixed together puts into common vertical cement stirrer, stir 9 minutes 30 seconds, add swelling agent and stablizer then and continue to stir 30 seconds, promptly get the mixed solution (quality detection project and the results are shown in Table 4) of emulsification asphalt cement mortar material of the present invention.
The CA mortar mixed solution of table 4 embodiment of the invention 2 preparations and the performance of cured article
Use: will pour into space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) for the above-mentioned emulsification asphalt cement mortar mixed solution that makes at 16 ℃~27 ℃ scene in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 4) of Performance Detection on request.
Used present embodiment emulsification asphalt cement mortar material in the laying of not having quarrel rail test section, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively.When the real vehicle speed of inner dynamic test reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test in track structure performance test process, mortar outward appearance no change.
The preparation and the Performance Detection of embodiment 3 emulsification asphalt cement mortars of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 61% emulsified bitumen (quality index detects and sees Table 5): 90 parts; The sand of fineness modulus 1.4~1.8: 200 parts; In the efficient concrete swelling agent of U1 type that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into 200~250 order aluminium powders that account for swelling agent gross weight 1.5% that The Southwest aluminum fabrication produces as swelling agent: 0.6 part; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is 15~30% pc agent: 6 parts; Water: 27 parts.
The main performance index of the emulsified bitumen that table 5 embodiment 3 uses
Preparation process: above-mentioned raw materials is mixed together puts into common vertical cement stirrer, stir 9 minutes 30 seconds, add swelling agent and stablizer then and continue to stir 30 seconds, promptly get the mixed solution (quality detection project and the results are shown in Table 6) of emulsification asphalt cement mortar material of the present invention.
The CA mortar mixed solution of table 6 embodiment of the invention 3 preparations and the performance index of cured article
Use: will pour into space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) for the above-mentioned emulsification asphalt cement mortar mixed solution that makes at 31 ℃~42 ℃ scene in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 6) of Performance Detection on request.
Used present embodiment emulsification asphalt cement mortar material to carry out not having the laying of quarrel rail test section, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively.When the real vehicle speed of inner dynamic test reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test in track structure performance test process, mortar outward appearance no change.
The preparation and the Performance Detection of embodiment 4 emulsification asphalt cement mortars of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 60% emulsified bitumen (quality index detects and sees Table 7): 100 parts; The sand of fineness modulus 1.4~1.7: 180 parts; In the efficient concrete swelling agent of U1 type that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into 200~250 order aluminium powders 1.5% that the The Southwest aluminum fabrication that accounts for the swelling agent gross weight produces as swelling agent: 0.7 part; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is pc agent p:7 part of 15~30%; Water: 25 parts.
The main performance index of the emulsified bitumen that table 7 embodiment 4 uses
Preparation process: above-mentioned raw materials is mixed together puts into common vertical cement stirrer, stir 9 minutes 30 seconds, add swelling agent and stablizer then and continue to stir 30 seconds, promptly get the mixed solution (quality detection project and the results are shown in Table 8) of emulsification asphalt cement mortar material of the present invention.
The CA mortar mixed solution of table 8 embodiment of the invention 4 preparations and the performance index of cured article
Use: will pour into space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) for the above-mentioned emulsification asphalt cement mortar mixed solution that makes at 27 ℃~39 ℃ scene in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 8) of Performance Detection on request.
Used present embodiment emulsification asphalt cement mortar material to carry out not having the laying of quarrel rail test section, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively.When the real vehicle speed of inner dynamic test reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test in track structure performance test process, mortar outward appearance no change.
The preparation and the Performance Detection of embodiment 5 emulsification asphalt cement mortars of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 59% emulsified bitumen (quality index detects and sees Table 9): 110 parts; The sand of fineness modulus 1.4~1.6: 160 parts; In the efficient concrete swelling agent of U1 type that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into 200~250 order aluminium powders that the The Southwest aluminum fabrication that accounts for 0.8 part 1.5% of swelling agent gross weight sells as swelling agent; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is pc agent p:8 part of 15~30%; Water: 22 parts.
The main performance index of the emulsified bitumen that table 9 embodiment 5 uses
Preparation process: above-mentioned raw materials is mixed together puts into common vertical cement stirrer, stir 9 minutes 30 seconds, add swelling agent and stablizer then and continue to stir 30 seconds, promptly get the mixed solution (quality detection project and the results are shown in Table 10) of emulsification asphalt cement mortar material of the present invention.
The CA mortar mixed solution of table 10 embodiment of the invention 5 preparations and the performance index of cured article
Use: will pour into space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) for the above-mentioned emulsification asphalt cement mortar mixed solution that makes at 32 ℃~45 ℃ scene in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 10) of Performance Detection on request.
Used present embodiment emulsification asphalt cement mortar material to carry out not having the laying of quarrel rail test section, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively.When the real vehicle speed of inner dynamic test reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test in track structure performance test process, mortar outward appearance no change.
The preparation and the Performance Detection of embodiment 6 emulsification asphalt cement mortars of the present invention
Prepare raw material by weight:
Label is the Portland cement of commercially available 425#: 100 parts; The pitch volume content is 58% emulsified bitumen (quality index detects and sees Table 11): 115 parts; The sand of fineness modulus 1.4~1.5: 140 parts; In the efficient concrete swelling agent of U1 type that far away lucky high-new building materials company limited produces by Chongqing, evenly sneak into 200~250 order aluminium powders that account for swelling agent gross weight 1.5% that The Southwest aluminum fabrication produces as swelling agent: 0.9 part; Stablizer is that the specification of Chongqing Ke Shimo chemical industry company limited product is pc agent p:9 part of 15~30%; Water: 20 parts.
The main performance index of the emulsified bitumen that table 11 embodiment 6 uses
Preparation process: above-mentioned raw materials is mixed together puts into common vertical cement stirrer, stir 9 minutes 30 seconds, add swelling agent and stablizer then and continue to stir 30 seconds, promptly get the mixed solution (quality detection project and the results are shown in Table 10) of emulsification asphalt cement mortar material of the present invention.
The CA mortar mixed solution of table 12 embodiment of the invention 6 preparations and the performance index of cured article
Use: will be that above-mentioned emulsification asphalt cement mortar mixed solution that 5 ℃~13 ℃ scene makes pours into the space between board-like no slag rail system middle orbit plate and the hydraulicity concrete bearing bed (HGT) in surface temperature, this space is filled up fully.Simultaneously the size cast is used for the emulsification asphalt cement mortar material cured thing (quality detection project and the results are shown in Table 12) of Performance Detection on request.
Used present embodiment emulsification asphalt cement mortar material to carry out not having the laying of quarrel rail test section at the high-speed railway that changes then, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively.When the real vehicle speed of inner dynamic test reaches 232Km/h, detected result shows, emulsification asphalt cement mortar material product of the present invention has reached the correlation technique condition that proposes comprehensively, the requirement that meets the specification of actual measurement structure properties index, and the CA mortar has been finished fatigue test in track structure performance test process, mortar outward appearance no change.
By above-mentioned example as seen, use emulsification asphalt cement mortar material of the present invention to carry out not having the laying of quarrel rail test section, the CA mortar item performance index of preparation have reached the standard of japanese product comprehensively, also create simultaneously under 45 ℃ of hot environments and finish the operating technique bright spot smoothly.
This ballastless track test section, institute belongs to the subtropical climate district through the area, wait gentle, moistening, 17.4 ℃ of average temperatures of the whole year, 42 ℃ of the highest temperatures, the lowest temperature-5 ℃, maximum frozen depth 0.2m; Mean annual precipitation 950~1170mm, year maximum precipitation 1400~1600mm, year minimum quantity of precipitation 750~900mm, be rainy season annual 6~September, concentrates 70~75% of annual quantity of precipitation; Annual relative humidity 76~85% long-term many north wind, northwest wind, annual mean wind speed 1.5m/s, maximum wind speed 24m/s.Emulsification asphalt cement mortar of the present invention at temperature about 40 ℃, the highway section that surface temperature prepares and lays under 45~50 ℃ situation, also all qualified after delivering for a check, temperature can not surpass 30 ℃ upper temperature limit when having broken through the construction of Japanese CA mortar material.
By above-mentioned example as seen, the present invention has well overcome the defective of prior art, and greatly reduces application cost, has increased the range of application of emulsification asphalt cement mortar, has good market outlook.
Claims (8)
1, a kind of emulsification asphalt cement mortar is to be mixed as raw material stirring by cement, emulsified bitumen, sand, swelling agent, stablizer and water, and wherein the shared weight part of each raw material is: label is the cement of 425#~525#: 100 parts; The pitch volume content is 59%~62% emulsified bitumen: 85~110 parts; The sand of fineness modulus 1.4~2.0: 160~220 parts; Swelling agent: 0.5~0.8 part; Stablizer: 5~8 parts; Water: 22~30 parts.
2, emulsification asphalt cement mortar according to claim 1 is to be mixed as raw material stirring by cement, emulsified bitumen, sand, swelling agent, stablizer and water, and wherein the shared weight part of each raw material is: label is the cement of 425#~525#: 100 parts; The pitch volume content is 59% emulsified bitumen: 110 parts; The sand of fineness modulus 1.4~1.6: 160 parts; Swelling agent: 0.8 part; Stablizer: 8 parts; Water: 22 parts.
3, emulsification asphalt cement mortar according to claim 1 and 2 is characterized in that: also being added with weight ratio in the described swelling agent is 1%~3% of swelling agent gross weight, and fineness is 200~250 purpose aluminium powders.
4, the preparation method of the described emulsification asphalt cement mortar of a kind of claim 1 is characterized in that: may further comprise the steps:
A, prepare various raw materials by proportioning;
B, above-mentioned raw materials is added stirrer stirred 550~650 seconds.
5, the preparation method of emulsification asphalt cement mortar according to claim 4 is characterized in that: swelling agent among the step b and stablizer add in last 20~40 seconds of whipping process.
6, according to the preparation method of claim 4 or 5 described emulsification asphalt cement mortars, it is characterized in that: the rotating speed of the whipping process of step b is at 60~80 rev/mins.
7, according to the preparation method of claim 4 or 5 described emulsification asphalt cement mortars, it is characterized in that: the air content of emulsification asphalt cement mortar is 8~12% after the stirring of step b.
8, claim 1 or the 2 described emulsification asphalt cement mortars application in laying no slag rail system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100496191A CN100509687C (en) | 2007-07-27 | 2007-07-27 | Emulsification asphalt cement mortar for orbit and preparing method and use thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100496191A CN100509687C (en) | 2007-07-27 | 2007-07-27 | Emulsification asphalt cement mortar for orbit and preparing method and use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101100362A CN101100362A (en) | 2008-01-09 |
CN100509687C true CN100509687C (en) | 2009-07-08 |
Family
ID=39034847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100496191A Expired - Fee Related CN100509687C (en) | 2007-07-27 | 2007-07-27 | Emulsification asphalt cement mortar for orbit and preparing method and use thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100509687C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973780A (en) * | 2010-10-26 | 2011-02-16 | 中铁八局集团第四工程有限公司 | CA mortar dry powder |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005179554A (en) * | 2003-12-22 | 2005-07-07 | Kao Corp | Asphalt emulsion for cement asphalt grout mortar and its emulsifying agent |
CN1810706A (en) * | 2005-01-28 | 2006-08-02 | 仪征市中宇合成材料厂 | Mortar for plate track of high speed railway and its production process |
CN1858017A (en) * | 2006-03-30 | 2006-11-08 | 中铁八局集团有限公司 | Anti-freezing type cement asphalt mortar and its preparing method |
CN1858016A (en) * | 2006-03-30 | 2006-11-08 | 中铁八局集团有限公司 | Cement asphalt mortar and its preparing method |
JP2007119317A (en) * | 2005-10-31 | 2007-05-17 | Denki Kagaku Kogyo Kk | Quick hardening agent for cement asphalt mortar and cement asphalt mortar using the same |
-
2007
- 2007-07-27 CN CNB2007100496191A patent/CN100509687C/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005179554A (en) * | 2003-12-22 | 2005-07-07 | Kao Corp | Asphalt emulsion for cement asphalt grout mortar and its emulsifying agent |
CN1810706A (en) * | 2005-01-28 | 2006-08-02 | 仪征市中宇合成材料厂 | Mortar for plate track of high speed railway and its production process |
JP2007119317A (en) * | 2005-10-31 | 2007-05-17 | Denki Kagaku Kogyo Kk | Quick hardening agent for cement asphalt mortar and cement asphalt mortar using the same |
CN1858017A (en) * | 2006-03-30 | 2006-11-08 | 中铁八局集团有限公司 | Anti-freezing type cement asphalt mortar and its preparing method |
CN1858016A (en) * | 2006-03-30 | 2006-11-08 | 中铁八局集团有限公司 | Cement asphalt mortar and its preparing method |
Non-Patent Citations (1)
Title |
---|
乳化沥青水泥(CA)砂浆配合比设计与试验计算. 周熙等.公路交通技术,第3期. 2006 * |
Also Published As
Publication number | Publication date |
---|---|
CN101100362A (en) | 2008-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102351503B (en) | High speed railway bridge bearing anchoring mortar material | |
CN101475349B (en) | Vertical connected plate type unballasted track cement emulsified bitumen mortar | |
CN101058493B (en) | CA mortar for plate-type slag-free orbit and preparation method thereof | |
CN103496894B (en) | The toughening type RPC that a kind of steel fiber and high-performance synthon mix and preparation method | |
CN101475353B (en) | Concrete for unballasted track plate | |
CN102320789A (en) | High-strength active powder concrete and preparation method | |
CN102241497A (en) | Concrete with ultra-large volume, high strength and low hydration heat | |
CN101948623A (en) | Rubber powder modified emulsified asphalt and preparation method thereof and CA mortar prepared by emulsified asphalt | |
CN103145390A (en) | Concrete mixture for PHC (Prestressed High-strength Concrete) pipe pile and PHC pipe pile prepared therefrom | |
CN102030998A (en) | Emulsified asphalt for slab ballastless track | |
CN104370511A (en) | Bridge bearing mortar and production method thereof | |
CN104151844B (en) | A kind of cationic emulsified modified asphalt and the application in plate-type ballastless track | |
CN109180071B (en) | High-performance cold-mix mixture for road surface layer and preparation method thereof | |
CN101058494B (en) | CA mortar dry powder for plate-type slag-free orbit | |
CN109650781A (en) | A kind of high frictional resistance thin overlay asphalt of middle low temperature warm mix and preparation method thereof | |
CN104150836A (en) | Track board sealing anchor mortar and preparation method thereof | |
CN102180622B (en) | Cement epoxy asphalt mortar for ballastless track and preparation method thereof | |
CN105859219B (en) | A kind of half-flexible pavement paste materials and preparation method thereof | |
CN102010163A (en) | CA (cement and asphalt) mortar for CRTS II slab ballastless tracks | |
CN110128070A (en) | Graded broken stone pours into formula semi-flexible composite pavement mixture and pavement construction method | |
CN100509687C (en) | Emulsification asphalt cement mortar for orbit and preparing method and use thereof | |
CN101475350B (en) | Dry material for vertical connected plate type unballasted track cement emulsified bitumen mortar | |
CN101475747A (en) | Emulsified bitumen for vertical connected plate type unballasted track cement emulsified bitumen mortar | |
CN108129091B (en) | CF50 concrete preparation process | |
CN101781110A (en) | Reactive powder concrete for cable trough cover boards of railways |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20140727 |
|
EXPY | Termination of patent right or utility model |