CN102276199A - Cement-emulsified asphalt self-permeation grouting material applied to semi-flexible pavement - Google Patents
Cement-emulsified asphalt self-permeation grouting material applied to semi-flexible pavement Download PDFInfo
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Abstract
The invention discloses a cement-emulsified asphalt self-permeation grouting material applied to a semi-flexible pavement, which comprises the following components in parts by weight: 100 parts of cement, 50-150 parts of mineral admixture, 15-40 parts of expanding agent, 0-80 parts of river sand, 0.5-20 parts of water reducing agent, 60-140 parts of water and 50-150 parts of emulsified asphalt. The grouting material has the advantages of low cost, good flowing property, long service life and capability of meeting the grouting characteristic of slurry self permeation, has better interface connecting property with asphalt, a certain early strength function, small volume change rate, layering degree of less than 0.3 percent, better volume stability, and wide application range because both cation emulsified asphalt and anionic emulsified asphalt can be used, and can be applied to the semi-flexible pavement so that the fatigue service life of the semi-flexible pavement is greatly prolonged and the shearing resistance can be effectively improved.
Description
Technical field
The present invention relates to a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement from permeating injection material, belong to new road bridge construction material field and highway engineering Application Areas.
Background technology
Half-flexible pavement is a kind of novel pavement material of the compound composition of cement-based material of a kind of macrovoid asphalt and property.Half-flexible pavement has been proved to be able to solve the problems such as rut, damage by water evil of bituminous pavement, can be used for that service station, parking lot, bus stop, port and pier, military base, airstrip, crossing turn, climbing highway section etc.
External very active to the application of half-flexible pavement at present, more domestic R﹠D institutions have also obtained certain achievement and have laid the part test highway section.But from the test section of existing half-flexible pavement, there is the cracking problem in half-flexible pavement, and tracing it to its cause is that cement-based material intensity is too high, shrink big, with the asphalt bad adhesion, Temperature Susceptibility and asphalt are difficult to coupling, cause half-flexible pavement the temperature cracking that contracts to occur.
CN200910024197.1 discloses a kind of semi-flexible pavement injection grout and has been made up of ordinary Portland cement, water, water reducer, air entrapment agent, swelling agent, and its drying shrinkage is little, and intensity is big, but poor with the bituminous adhesion property.
CN201010179066.3 discloses a kind of self-inflow type semi-flexible composite pavement and constructional method thereof, injection material flowability and good water-retaining property that it is prepared, but intensity is too high, does not match with the bituminous Young's modulus.
The cement emulsified asphalt mortar that generally uses on the high-speed railway mainly is divided into I type cement emulsified asphalt mortar (day present technique, low strength mortar) and II type cement emulsified asphalt mortar (Germany technology, high-strength mortar).And these two kinds of mortars have strict yield limit restriction, and its mobile flowability with half-flexible pavement material pouring material requires to differ greatly, and have been proved to be and can't pour in the half-flexible pavement material.
Summary of the invention
The object of the invention is to provide the Cement-Emulsified Asphalt of a kind of fatigue lifetime that can effectively improve half-flexible pavement and shear behavior from permeating injection material.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of Cement-Emulsified Asphalt of half-flexible pavement that is applied to is from permeating injection material, comprise 100 parts of cement, 50～150 parts of mineral admixtures, 15～40 parts of swelling agents, 0～80 part of river sand, 0.5～20 part of high efficiency water reducing agent, 60～140 parts in water, emulsified bitumen 50-150 part, described umber is parts by weight.
High efficiency water reducing agent refers to that water-reducing rate is not less than 10% water reducer.
Above-mentioned a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement also comprises early strong permeate agent 1-25 part from permeating injection material, and described umber is parts by weight.
Preferred 100～120 parts of above-mentioned mineral admixture, preferred 20～35 parts of swelling agent, preferred 30～60 parts of river sand, preferred 5～15 parts of high efficiency water reducing agent, preferred 90～125 parts of water, preferred 90～125 parts of emulsified bitumen, described umber is parts by weight.
Described cement is preferably 52.5 ordinary Portland cements and 52.5 aluminosulfate cement mass ratioes are 100: 5-100: 25 mixture.
It is the mixture of 0-70: 10-50: 20-90 that described mineral admixture is preferably kaolin, silicon ash and slag micropowder mass ratio, and fineness is the 200-2500 order.
Described swelling agent is preferably the mixture that calcium sulphoaluminate is one or both any proportionings in swelling agent and the magnesium oxide expansion agent series; Be preferably wherein a kind of; Magnesium oxide expansion agent series more preferably.
It is 0.7～1.2 river sand that described river sand is preferably fineness modulus, can pass through the 1.18mm square hole sieve and realize.
Described water reducer is preferably high-efficiency water-reducing agent of poly-carboxylic acid.
Described morning, strong permeate agent both had early powerful and infiltration function, also has their defoaming function, be preferably sodium laurylsulfonate, inorganic salt, polyol, organic silicon solution and quality than being the mixture of 10-20: 0.1-5: 20-70: 20-80: 10-60, described inorganic salt are preferably the mixture of one or both any proportionings in calcium chloride and the anhydrous sodium sulphate, be preferably wherein a kind of, polyol is preferably the mixture of one or both any proportionings in trolamine and the ethylene glycol, is preferably wherein a kind of.
Described emulsified bitumen can be cationic emulsified bitumen, also can be anionic emulsified bitumen.
Described a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement is from permeating one of preparation method of injection material: with all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 50～200s simultaneously, in 20-60s, all add in the agitator kettle then the liquid phase starting material that are pre-mixed, continue stirring at low speed 10-40s, high-speed stirring 100～400s again, last stirring at low speed 20～60s.
Preparation method's two: earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 20～60s together after good, stirring at low speed limit in limit adds the solid phase component (solid components can fully mix in proportion in advance then, also can not carry out premix adds in the agitator kettle by random order), high-speed stirring 100～400s again, last stirring at low speed 20～120s.
Above-mentioned two kinds of preparation methods are in order to make each component uniform mixing.
The interface connecting performance that injection material cost of the present invention is low, good flowing properties, operable time long, have with pitch is good, volume change is little, delamination degree is little, volume stability good, Young's modulus is moderate, both can use cationic emulsified bitumen, also can use anionic emulsified bitumen, be greatly improved the fatigue lifetime of half-flexible pavement, and shear behavior is effectively improved; The adding of early strong permeate agent further prolongs the operable time of injection material, further improve with bituminous interface connecting performance, volume change further dwindles, ultimate compression strength, folding strength and elastic feel quantity further improve, and make the fatigue lifetime of half-flexible pavement and shear behavior also obtain further improvement simultaneously.
Description of drawings
Fig. 1 measures the structural representation of degree of mobilization funnel for the present invention.
Numeral among the figure is a length value, and unit is cm.
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 is not restricted to following embodiment.
The ultimate compression strength of injection material of the present invention and folding strength carry out according to JC/T 984-2005, volume change carries out according to JC/T 985-2005, delamination degree, Young's modulus carry out with reference to " the provisional technical qualification of passenger dedicated railway line CRTS I type plate type unballasted track cement emulsified bitumen mortar " (2008), viscosity is carried out according to the testing method of NDJ-8S viscometer, measure injection material 10 ℃ with 20 ℃ under initial viscosity.
Injection material of the present invention and bituminous adhesion property testing method are: the cubes that injection material of the present invention is prepared into 20mm*20mm*20mm, curing condition by mechanical test carries out maintenance, behind the maintenance 28d, gather materials with injection material place of crude of the present invention, adhesiveness test with reference to " highway engineering pitch and asphalt testing regulation " JTJ 052-2000 medium pitch and coarse aggregate is tested, and test result is injection material and bituminous adhesion property.It is 1～2 grade that general coventional type cement grouting material and bituminous adhere to grade.
Common injection material refers to the conventional grouting material of RG-of Beijing Lianherongda Enginnering Material Co.,Ltd in the Comparative Examples.
The testing method of the degree of mobilization of injection material of the present invention:
(1) test apparatus
Funnel: upper-end inner diameter 178cm, bottom diameter 13cm flows out pipe range 38cm, and inner capacities is 1725mL; Funnel shaped and size are seen accompanying drawing.
The funnel bracing frame;
Container: graduated cylinder or measuring cup;
Stopwatch: be accurate to 0.1s.
(2) testing method
A. funnel vertically is placed on the bracing frame stable after, water washes wetting funnel inwall;
B. after injection material of the present invention fully being mixed and stirred, pour in the funnel, allow an amount of injection material flow out earlier, block the outflow mouth of pipe with finger then, in funnel, inject injection material again, till regulation (1725mL) from outlet pipe;
C. decontrol finger, injection material is effusive to pick up counting simultaneously, flows out the moment timing fully until continuous effusive injection material, reads the time of this moment, is accurate to 0.1s, is degree of mobilization.A kind of injection material parallel test three times, getting its arithmetic mean value is end-result.
Injection material operable time of the present invention is to leave standstill after injection material preparation, picks up counting, and surveys a degree of mobilization every 10min, counts the following time when degree of mobilization for the treatment of injection material is higher than 30s, Here it is injection material operable time.Empirical evidence, after the slurry degree of mobilization is higher than 30s, injection material perfusion abnormality difficulty.
For a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement that better embodiment this patent is developed is permeated the injection material action effect certainly, utilize the precious sharp SBS I-D modifying asphalt in Jiangsu, basalt aggregate, it is 26%-28% that limestone dust is prepared voidage, the connectivity gap rate is the matrix of the half-flexible pavement of 22%-24%: big space asphalt, pour into the injection material of preparing of infiltration certainly again, thereby be equipped with the half-flexible pavement material, its shear behavior of test behind the maintenance 28d, the low-temperature bending performance, ultimate compression strength, compression rebound modulu and anti-fatigue performance.Low-temperature bending performance (10 ℃ of flexural-tensile strains), ultimate compression strength, compression rebound modulu and anti-fatigue performance (fatigue lifetime) testing method are carried out with reference to " highway engineering pitch and asphalt testing regulation " JTJ 052-2000, when wherein testing fatigue property, load in the proof stress mode, loading frequency 10HZ, test temperature is 20 ℃.Shear behavior is with reference to paper: Tongji University's journal (natural science edition) in 2005, and the 33rd volume, the 8th phase, 1036～1040 pages, the author is that the test method in " research of asphalt shear test method " of Bi Yufeng, Sun Lijun is carried out.
Embodiment 1
100 parts of cement, 130 parts of mineral admixtures, 40 parts of swelling agents, 67 parts of river sands, 15 parts of water reducers, 128 parts in water, 130 parts of emulsified bitumens.Wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements of Nanjing conch cement company limited by common 52.5 silicate cements of the holding company limited of China Resources cement and forms at 100: 25; Mineral admixture is to mix at 58: 27: 15 to form by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Jiangsu profit space heavy chemicals company limited, the order number is 1200 orders, the silicon ash is from the U.S. silicon materials in mountain, Shandong company limited, the order number is 200 orders, slag is from wuhan iron ﹠ steel croup co., and the order number is 200 orders; Swelling agent is the HME-I swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; River sand is the common river sand of fineness modulus 1.2; Water reducer is the PCA-V polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Emulsified bitumen is the RA-1 type anionic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
Earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 40s together after good, stirring at low speed limit in limit adds solid phase component (solid components fully mixes in proportion in advance) then, treats that solid components adds, again high-speed stirring 320s, last stirring at low speed 80s gets product.
The performance of this product sees Table 1, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 3.
Embodiment 2
100 parts of cement, 120 parts of mineral admixtures, 35 parts of swelling agents, 58 parts of river sands, 12 parts of water reducers, 124 parts in water, 110 parts of emulsified bitumens.Wherein, described cement is mixed by mass ratio with 52.5 aluminosulfate cements of the holding company limited of China Resources cement by common 52.5 silicate cements of Nanjing conch cement company limited and forms at 100: 20; Mineral admixture is to mix at 60: 17: 23 to form by one-level kaolin, silicon ash and slag by mass ratio, and wherein kaolin is from the positive coal in Shanxi group kaolin four ore deposits, and the order number is 2500 orders, the silicon ash is from Beijing Asia/SF85 at the tenth of the twelve Earthly Branches, the order number is 150 orders, and slag is from Baoshan Iron and Steel Group, and the order number is 300 orders; Swelling agent is the HME-I of Jiangsu Botexin Materials Co., Ltd swelling agent (a magnesium oxide class swelling agent); River sand is the common river sand of fineness modulus 1.1; Water reducer is the PCA-I of a Jiangsu Botexin Materials Co., Ltd polycarboxylate water-reducer; Emulsified bitumen is the BC-1 type cationic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
With all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 150s simultaneously, in the end all adds in the agitator kettle in the 60s liquid phase starting material that are pre-mixed, continue stirring at low speed 30s, high-speed stirring 320s again, last stirring at low speed 50s, product.
The performance of this product sees Table 1, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 3.
Embodiment 3
100 parts of cement, 100 parts of mineral admixtures, 30 parts of swelling agents, 40 parts of river sands, 10 parts of water reducers, 15 parts of early strong permeate agents, 90 parts in water, 125 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements by common 52.5 silicate cements of the holding company limited of China Resources cement and forms at 100: 5; Mineral admixture is to mix at 40: 30: 30 to form by kaolin, silicon ash and slag by mass ratio, and wherein kaolin is from the positive coal in Shanxi group kaolin four ore deposits, and the order number is 2500 orders, the silicon ash is from Beijing Asia/SF85 at the tenth of the twelve Earthly Branches, the order number is 150 orders, and slag is from wuhan iron ﹠ steel croup co., and the order number is 200 orders; Swelling agent is Tianjin leopard ring UEA swelling agent (calcium sulphoaluminate class swelling agent); River sand is the common river sand of fineness modulus 0.7; Water reducer is the PCA-I polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Early strong permeate agent is 10: 2.5: 20 by sodium laurylsulfonate, calcium chloride, trolamine, organic silicon solution, water by mass ratio: mixing in 20: 47.5 is formed, and organic silicon solution is the DR-H520 of Wuhan Dao Er chemical industry company limited; Emulsified bitumen is the RA-1 type anionic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
With all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 50s simultaneously, in the end all adds in the agitator kettle in the 20s liquid phase starting material that are pre-mixed, continue stirring at low speed 10s, high-speed stirring 100s again, last stirring at low speed 20s, product.
The performance of this product sees Table 1, this finished product is poured into prepare grouting formula half-flexible pavement material in the big space asphalt of preparing, and performance sees Table 3.
Embodiment 4:
100 parts of cement, 70 parts of mineral admixtures, 15 parts of swelling agents, 80 parts of river sands, 4 parts of water reducers, 15 parts of early strong permeate agents, 60 parts in water, 100 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements by common 52.5 silicate cements of the holding company limited of China Resources cement and forms at 100: 8; Mineral admixture is to mix at 0: 10: 90 to form by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Shanxi sun coal group kaolin four ore deposits, the order number is 2500 orders, the silicon ash is from the U.S. silicon materials in mountain, Shandong company limited, the order number is 200 orders, slag is from Baoshan Iron and Steel Group Co, and the order number is 200 orders; Swelling agent is the HME-I swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; Thin river sand is the common river sand of fineness modulus 0.8; Water reducer is horse shellfish polycarboxylate water-reducer SR3; Early strong permeate agent is 10: 0.1: 20 by sodium laurylsulfonate, anhydrous sodium sulphate, ethylene glycol, organic silicon solution, water by mass ratio by early strong permeate agent: mixing in 20: 10 is formed, and wherein organic silicon solution is the 9280-40 of Dow Corning Corporation; Emulsified bitumen is the RA-1 of a Jiangshu Baoli Pitch Co., Ltd. type anionic emulsified bitumen.
Earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 20s together after good, stirring at low speed limit in limit adds solid phase component (solid components fully mixes in proportion in advance) then, high-speed stirring 220s again, last stirring at low speed 20s must product.
The performance of this product sees Table 1, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 3.
Embodiment 5
100 parts of cement, 150 parts of mineral admixtures, 40 parts of swelling agents, 0 part of river sand, 20 parts of water reducers, 25 parts of early strong permeate agents, 140 parts in water, 150 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements by common 52.5 silicate cements of Nanjing conch cement company limited and forms at 100: 10; Mineral admixture is to mix at 10: 10: 80 to form by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Jiangsu profit space heavy chemicals company limited, the order number is 1200 orders, the silicon ash is Beijing inferior SF85 that speculates consultant company limited at the tenth of the twelve Earthly Branches, the order number is 150 orders, slag is from wuhan iron ﹠ steel croup co., and the order number is 200 orders; Swelling agent is Tianjin leopard ring UEA swelling agent (calcium sulphoaluminate class swelling agent); Thin river sand is the common river sand of fineness modulus 0.85; Water reducer is the PCA-V polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Early strong permeate agent is 20: 5: 30 by sodium laurylsulfonate, calcium chloride, ethylene glycol, organic silicon solution, water by mass ratio: mixing in 35: 10 is formed, and wherein organic silicon solution is the SILRES BS 16 of German Wa Ke company; Emulsified bitumen is the BC-1 type cationic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
With all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 200s simultaneously, in the end all adds in the agitator kettle in the 60s liquid phase starting material that are pre-mixed, continue stirring at low speed 30s, high-speed stirring 200s again, last stirring at low speed 40s, product.
The performance of this product sees Table 1, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 3.
Embodiment 6
100 parts of cement, 60 parts of mineral admixtures, 15 parts of swelling agents, 20 parts of river sands, 0.5 part of water reducer, 1 part of early strong permeate agent, 75 parts in water, 50 parts of emulsified bitumens, wherein, cement is that common 52.5 silicate cements of Nanjing conch cement company limited mix composition with 52.5 aluminosulfate cements by mass ratio at 100: 12; Mineral admixture is to mix at 90: 10: 0 to form by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Jiangsu profit space heavy chemicals company limited, the order number is 1200 orders, the silicon ash is from the U.S. silicon materials in mountain, Shandong company limited, the order number is 200 orders, slag is from Baoshan Iron and Steel Group Co, and the order number is 300 orders; Swelling agent is the HME-I swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; River sand is the common river sand of fineness modulus 1.4; Water reducer is the PCA-II polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Early strong permeate agent is 10: 0.5: 30 by sodium laurylsulfonate, calcium chloride, trolamine, organic silicon solution, water by mass ratio: mixing in 32: 28 is formed, and wherein organic silicon solution is the DR-H520 of Wuhan Dao Er chemical industry company limited; Emulsified bitumen is the PC-1 of a Jiangshu Baoli Pitch Co., Ltd. type cationic emulsified bitumen.
Earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 60s together after good, stirring at low speed limit in limit adds the solid phase component that fully mixes in advance then, high-speed stirring 100s again, last stirring at low speed 120s must product.
The performance of this product sees Table 2, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 4.
Embodiment 7
100 parts of cement, 50 parts of mineral admixtures, 20 parts of swelling agents, 30 parts of river sands, 2.6 parts of water reducers, 3 parts of early strong permeate agents, 68 parts in water, 70 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements of the holding company limited of China Resources cement by common 52.5 silicate cements of Nanjing conch cement company limited and forms at 100: 15; Mineral admixture is to mix at 10: 20: 70 to form by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from the grand bright rubber and plastic raw material in city of Kunshan company limited, the order number is 800 orders, the silicon ash is the SF85 of Beijing inferior investment share at tenth of the twelve Earthly Branches company limited, the order number is 150 orders, slag is from wuhan iron ﹠ steel croup co., and the order number is 200 orders; Swelling agent is the HME-III swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; River sand is the common river sand of fineness modulus 1.0; Water reducer is the PCA-IV of a Jiangsu Botexin Materials Co., Ltd high-efficiency water-reducing agent of poly-carboxylic acid; Early strong permeate agent is 10: 5: 20 by sodium laurylsulfonate, anhydrous sodium sulphate, trolamine, organic silicon solution, water by mass ratio: mixing in 20: 35 is formed, and wherein organic silicon solution is the SILRES BS 16 of German Wa Ke company; Emulsified bitumen is the PA-1 type anionic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
With all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 100s simultaneously, in the end all adds in the agitator kettle in the 30s liquid phase starting material that are pre-mixed, continue stirring at low speed 40s, high-speed stirring 240s again, last stirring at low speed 30s, product.
The performance of this product sees Table 2, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 4.
Embodiment 8
100 parts of cement, 100 parts of mineral admixtures, 30 parts of swelling agents, 40 parts of river sands, 5.7 parts of water reducers, 4 parts of early strong permeate agents, 110 parts in water, 90 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements of Nanjing conch cement company limited by common 52.5 silicate cements of the holding company limited of China Resources cement and forms at 100: 18; Mineral admixture is made up of with slag kaolin, silicon ash, mass ratio is 70: 25: 5, wherein kaolin is from the grand bright rubber and plastic raw material in city of Kunshan company limited, the order number is 800 orders, the silicon ash is from the U.S. silicon materials in mountain, Shandong company limited, the order number is 200 orders, and slag is from Baoshan Iron and Steel Group Co, and the order number is 300 orders; Swelling agent is the HME-III swelling agent (magnesium oxide class swelling agent) of Jiangsu Bo Te novel material; River sand is the common river sand of fineness modulus 1.1; Water reducer is horse shellfish polycarboxylate water-reducer SR3; Early strong permeate agent is 20: 5: 40 by sodium laurylsulfonate, anhydrous sodium sulphate, trolamine, organic silicon solution, water by mass ratio: 50: 40 mixed compositions, wherein organic silicon solution is the DR-H520 of Wuhan Dao Er chemical industry company limited; Emulsified bitumen is the BC-1 type cationic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
Earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 50s together after good, stirring at low speed limit in limit adds solid phase component (solid components does not carry out premix and adds in the agitator kettle by random order) then, high-speed stirring 160s again, last stirring at low speed 40s, product.
The performance of this product sees Table 2, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 4.
Embodiment 9
100 parts of cement, 120 parts of mineral admixtures, 35 parts of swelling agents, 58 parts of river sands, 12 parts of water reducers, 8 parts of early strong permeate agents, 124 parts in water, 110 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements by common 52.5 silicate cements of Nanjing conch cement company limited and forms at 100: 20; Mineral admixture is to mix at 60: 17: 23 to form by one-level kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Shanxi sun coal group kaolin four ore deposits, the order number is 2500 orders, the silicon ash is the SF85 of Beijing inferior Investment Advisory Co., Ltd at the tenth of the twelve Earthly Branches, the order number is 150 orders, slag is from Baoshan Iron and Steel Group, and the order number is 300 orders; Swelling agent is the HME-I swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; River sand is the common river sand of fineness modulus 1.1; Water reducer is the PCA-I polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Early strong permeate agent is 10: 3: 20 by sodium laurylsulfonate, anhydrous sodium sulphate, trolamine, organic silicon solution, water by mass ratio: mixing in 46: 40 is formed, and wherein organic silicon solution is the 9280-40 of Dow Corning Corporation; Emulsified bitumen is the BC-1 type cationic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
With all solid-phase raw materials proportionally weighing good after, add stirrer together and stir 150s simultaneously, in the end all adds in the agitator kettle in the 60s liquid phase starting material that are pre-mixed, continue stirring at low speed 30s, high-speed stirring 320s again, last stirring at low speed 50s, product.
The performance of this product sees Table 2, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 4.
Embodiment 10
100 parts of cement, 130 parts of mineral admixtures, 40 parts of swelling agents, 67 parts of river sands, 15 parts of water reducers, 12 parts of early strong permeate agents, 128 parts in water, 130 parts of emulsified bitumens, wherein, cement is mixed by mass ratio with 52.5 aluminosulfate cements of Nanjing conch cement company limited by common 52.5 silicate cements of the holding company limited of China Resources cement and forms at 100: 25; Mineral admixture is to mix at 58: 27: 15 to form very much by kaolin, silicon ash and slag by mass ratio, wherein kaolin is from Jiangsu profit space heavy chemicals company limited, the order number is 1200 orders, the silicon ash is from the U.S. silicon materials in mountain, Shandong company limited, the order number is 200 orders, slag is from wuhan iron ﹠ steel croup co., and the order number is 200 orders; Swelling agent is the HME-I swelling agent (magnesium oxide class swelling agent) of Jiangsu Botexin Materials Co., Ltd; River sand is the common river sand of fineness modulus 1.2; Water reducer is the PCA-V polycarboxylate water-reducer of Jiangsu Botexin Materials Co., Ltd; Early strong permeate agent is 10: 4: 30 by Sodium dodecylbenzene sulfonate, anhydrous sodium sulphate, ethylene glycol, deionized water by mass ratio: mixing in 42: 32 is formed, and wherein organic silicon solution is the 9280-40 of Dow Corning Corporation; Emulsified bitumen is the PA-1 type anionic emulsified bitumen of Jiangshu Baoli Pitch Co., Ltd..
Earlier with liquid raw material proportionally weighing drop into stirrer stirring at low speed 40s together after good, stirring at low speed limit in limit adds solid phase component (solid components fully mixes in proportion in advance) then, high-speed stirring 320s again, last stirring at low speed 80s must product.
The performance of this product sees Table 2, this finished product is poured into the performance of preparing grouting formula half-flexible pavement material in the big space asphalt of preparing and sees Table 4.
Each cited raw material of the present invention can both be realized the present invention, and the present invention can both be realized in the bound value and the interval of each raw material of the present invention, does not just enumerate embodiment one by one at this.
Table 1 Cement-Emulsified Asphalt is from permeating the injection material performance
(remarks: in the volume change, negative value is represented shrinking percentage, on the occasion of the expression rate of expansion)
Table 2 Cement-Emulsified Asphalt is from permeating the injection material performance
The cement-emulsified pitch of table 3 is from permeating injection material filling type half-flexible pavement material property
The cement-emulsified pitch of table 4 is from permeating injection material filling type half-flexible pavement material property
Claims (10)
1. a Cement-Emulsified Asphalt that is applied to half-flexible pavement is from permeating injection material, it is characterized in that, comprise 100 parts of cement, 50～150 parts of mineral admixtures, 15～40 parts of swelling agents, 0～80 part of river sand, 0.5～20 part of high efficiency water reducing agent, 60～140 parts in water, 50～150 parts of emulsified bitumens, described umber is parts by weight.
2. a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement as claimed in claim 1 is characterized in that from permeating injection material also comprise early strong permeate agent 1-25 part, described umber is parts by weight.
3. a kind of Cement-Emulsified Asphalt of half-flexible pavement that is applied to as claimed in claim 1 or 2 is from permeating injection material, it is characterized in that 100～120 parts of described mineral admixtures, 20～35 parts of swelling agents, 30～60 parts of river sands, 5～15 parts of high efficiency water reducing agents, 90～125 parts in water, 90～125 parts of emulsified bitumens, described umber is parts by weight.
4. a kind of Cement-Emulsified Asphalt of half-flexible pavement that is applied to as claimed in claim 1 or 2 is from permeating injection material, it is characterized in that described cement is that 52.5 ordinary Portland cements and 52.5 aluminosulfate cement mass ratioes are 100: 5～100: 25 mixture.
5. a kind of Cement-Emulsified Asphalt of half-flexible pavement that is applied to as claimed in claim 1 or 2 is from permeating injection material, it is characterized in that, described mineral admixture is that kaolin, silicon ash and slag micropowder mass ratio are the mixture of 0-70: 10-50: 20-90, and fineness is the 200-2500 order.
6. a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement as claimed in claim 1 or 2 is characterized in that from permeating injection material described swelling agent is that calcium sulphoaluminate is that swelling agent and magnesium oxide are the mixture of one or both any proportionings in the swelling agent.
7. a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement as claimed in claim 6 is characterized in that from permeating injection material described swelling agent is that magnesium oxide is swelling agent.
8. a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement as claimed in claim 1 or 2 is characterized in that from permeating injection material the fineness modulus of described river sand is 0.7～1.2.
9. a kind of Cement-Emulsified Asphalt that is applied to half-flexible pavement as claimed in claim 1 or 2 is characterized in that from permeating injection material described high efficiency water reducing agent is a high-efficiency water-reducing agent of poly-carboxylic acid.
10. a kind of Cement-Emulsified Asphalt of half-flexible pavement that is applied to according to claim 2 is from permeating injection material, it is characterized in that, described morning, strong permeate agent was that sodium laurylsulfonate, inorganic salt, polyol, organic silicon solution and quality are than being the mixture of 10-20: 0.1-5: 20-70: 20-80: 10-60, described inorganic salt are the mixture of one or both any proportionings in calcium chloride and the anhydrous sodium sulphate, and described polyol is the mixture of one or both any proportionings in trolamine and the ethylene glycol.
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