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双语推荐：乳化沥青

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将煤沥青与秦皇岛AH-90沥青进行调和及乳化,考察调和沥青及调和后乳化沥青的性质,研究煤沥青的种类及掺量对调和沥青及乳化沥青性质的影响规律。结果表明:煤沥青中大量甲苯不溶物(煤粉)的存在使得调和沥青和乳化沥青蒸发残留物的25℃延度大幅度下降,难以达到标准要求;1#和2#煤沥青最大掺量分别为25%和20%时,乳化沥青的1 d和5 d稳定性合格;相同煤沥青掺量时,1#调和沥青及乳化沥青蒸发残留物较相应的2#调和沥青及乳化沥青蒸发残留物的针入度小、25℃延度大、软化点高;随着煤沥青掺量的增大,两种调和沥青及乳化沥青蒸发残留物的25℃延度、针入度都呈现下降趋势,软化点呈升高趋势。
TwO types Of cOal tar pitches and QinhuangdaO AH-90 petrOleum asphalt were blended and emulsified. The influ-ences Of cOal tar pitch types and dOsages On the prOperties Of blended asphalt and emulsified asphalt were investigated. The experimental results shOw that the cOal tar pitches cOntaining a lOt Of tOluene insOluble ( pulverized cOal) lead tO the ductility at 25 ℃ Of the blended asphalt and evapOratiOn residue Of the emulsified asphalt decrease significantly, which cannOt meet the specificatiOn. When the maximal dOsages Of cOal tar pitch l# and 2# are 25% and 20%, the ld and 5d stability results Of the emulsified asphalts meet the standard. At the same cOal tar pitch dOsage, the blended asphalt and its emulsiOn evapOra-tiOn residue by adding cOal tar pitch l # have less penetratiOn at 25 ℃, and have larger ductility at 25 ℃ and sOftening than thOse by adding 2#. With the dOsage Of the twO cOal tar pitches increasing, the blended asphalts and the emulsiOn evapOratiOn

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为了对改性乳化沥青高温性能及影响因素进行更好地评价,选用直接加热蒸发法获取SBR及SBS改性乳化沥青残留物。在此基础上,进行多应力重复蠕变恢复试验,探讨温度、胶乳含量及胶乳种类3个因素对改性乳化沥青高温性能的影响。研究结果表明,随着温度的升高,SBR改性乳化沥青残留物高温抗变形能力变弱;随着胶乳含量的增加,SBR改性乳化沥青残留物高温抗变形能力变强;SBS改性乳化沥青高温性能优于SBR改性乳化沥青。
In order to evaluate the high temperature performance and influence factors of modified emulsified as-phalt, this paper obtains residues from SBR/SBS modified emulsified asphalt by direct thermal evaporation meth-od, and then carries out the MSCR test to study the influence of temperature, latex content and latex type on the high temperature performance of modified emulsified asphalt. The data shows that rutting resistance of SBR modi-fied emulsion residue under high temperature decreases with temperatures going up, and increases with latex con-tent increasing. It finds out that the high temperature performance of SBS modified emulsion residue is better than that of SBR modified emulsion.

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为了研究SBR胶乳、乳化剂等原材料对改性乳化沥青性能的影响，对不同胶乳和乳化剂掺量下乳化沥青性能进行分析。结果表明：SBR胶乳掺量的增加使乳化沥青蒸发残留物粘稠性增大；乳化剂对乳化沥青储存稳定性和分散性有显著影响；乳化剂掺量以乳化沥青胶束达到临界状态为宜。
In order to study the impact of SBR latex, emulsifiers and other raw materials on the performance of modified emulsified asphalt,analyzed the emulsified asphalt performance of different latex and emulsifier dosages.The results show: the dosage of SBR latex increased the viscosity of residue on evaporation of emulsified asphalt;emulsifier have a significant effect on the storage stability and dispersion of emulsified asphalt;emulsifier content to reach a critical emulsified asphalt micelles status is appropriate.

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公路养护是提升公路使用寿命，发挥公路社会效益的重要途径。本文就乳化沥青在公路养护中的应用为研究对象。以乳化沥青的的特点为切入点，对乳化沥青稀浆封层技术进行了分析，在此基础上分析了提升乳化沥青在公路养护效果的策略。通过本研究，以期为提升乳化沥青在公路养护中的应用，提供理论参考。
road maintenance is an important way to improve highway service life and play Highwaysocial benefits. In this paper, emulsified asphalt in road maintenance for the study. As an entry point o the characteristics of emulsified asphalt, emulsified asphalt slurry seal technology analysis, Enhance-mulsified asphalt in road maintenance effect of the strategy on this basis. Through this study, in order to enhance the application of emulsified asphalt in road maintenance, to provide a theoretical reference.

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为了研究基质沥青、SBR改性剂、乳化剂等原材料对SBR改性乳化沥青性能的影响,对不同基质沥青及不同SBR改性剂和乳化剂掺量下的SBR改性乳化沥青路用性能进行分析。结果表明:SBR胶乳掺量的增加使改性乳化沥青蒸发残留物低温性能和高温性能增强;乳化剂对改性乳化沥青储存稳定性有显著影响。
In order to study the impact of matrix asphalt , SBR latex , emulsifiers and other raw materials on the performance of modified e-mulsified asphalt , the emulsified asphalt performance of different matrix asphalt , latex and emulsifier dosages was analyzed .The results show that the increasing of dosage of SBR latex increased the cryogenic property and elevated temperature property of evaporated modified e -mulsified asphalt residue;and emulsifier has a significant effect on the storage stability of modified emulsified asphalt .

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为了研究乳化沥青冷再生混合料的强度影响因素,我们通过改变粗细集料掺入比例、乳化沥青用量,击实功、水泥用量等来对乳化沥青冷再生混合料行劈裂强度试。
In order to study the strength influence factors of the emulsified asphalt cold recycled mixture, the author aggre-gates by changing the thickness proportion of mixed, emulsify-ied asphalt dosage, compaction work, cement dosage to emuls-ified the split ing strength test of asphalt cold recycled mixture line.

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采用水性环氧树脂与乳化沥青共混的方法，制备出稀浆封层用水性环氧—乳化沥青。通过砂浆块抗折试验、荧光显微镜分析，对水性环氧—乳化沥青的粘结强度与微观结构进行研究，并得出最佳掺配比例；通过《公路工程沥青及沥青混合料试验规程》中稀浆封层的各项试验方法，确定了稀浆封层用水性环氧—乳化沥青混合料的配合比。结果表明：一定量水性环氧的加入能够提高乳化沥青的粘结强度，二者最佳掺配比例为32∶68；最佳掺配比例下的水性环氧—乳化沥青适用于稀浆封层技术，优化出的配合比能够满足稀浆封层技术的各项指标要求。
Utilized the method of blending water-based epoxy resin and emulsified asphalt to syn-thesize the waterborne epoxy-emulsified asphalt for slurry seal.Based on the bending test of block mortar and fluorescence microscopy analysis,a research on bond strength and microstructure had been done, and the best recipe of waterborne epoxy-emulsified asphalt was acquired.According to the method of“Highway Asphalt and Asphalt Testing Procedures”,the mixing ratio of waterborne epoxy-emulsified asphalt for slurry seal mix was ensured.Results showed that:a certain amount of waterborne epoxy was able to strengthen the bond strength to emulsified asphalt,and the best ratio was 32 ∶68.Waterborne epoxy-emulsified asphalt was suitable for slurry seal technology,optimized ratio was able to satisfy the requirement of the slurry seal technology.

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为提高复合改性乳化沥青的使用性能,采用加入调制煤沥青的方式和用SBS改性制备复合改性乳化沥青。结果表明,随着调制煤沥青添加量的增加,复合改性乳化沥青的延度和软化点得到改善。当添加20%调制煤沥青后,延度提高至30cm,软化点升到70℃,复合改性乳化沥青已具有良好的高低温性能。荧光显微图像和红外光谱分析表明,在改性过程中SBS与沥青材料之间除物理改性外,还发生了某种化学接枝反应形成网络构架,从而提高了SBS与沥青材料的结合强度,使得沥青体系更加稳定。
In order to improve the performance of modified emulsified asphalt,composite modified emulsified asphalt was prepared by adding modulated coal tar pitch and modified by SBS.Results showed that,with the in-crease of addition of modulated coal tar pitch,the ductility and softening point became better.After adding 20%modulated coal tar pitch,ductility increased to 30 cm,softening point increased to 70 ℃,composite modified e-mulsified asphalt had good performance in high or low temperature.Fluorescence microscopy and infrared spec-tral analysis showed that there were some chemical grafting reactions happened between SBS and asphalt mate-rials in the process of modification besides the physical modification,SBS formed network structure in asphalt material,so modification improved the bonding strength of SBS and asphalt material,and made the asphalt sys-tem more stable.

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文章论述了改性乳化沥青的技术特点,并着重就改性乳化沥青在高速路面施工中的应用做出了分析与探讨,对其相关内容有了一个深入的了解,意在为改性乳化沥青的现实应用提供借鉴与思路。
This article discusses the technology characteristics of modified emulsified asphalt, carries out the analysis and dis-cussion of the modified emulsified asphalt applied in the exp-ressway pavement construction, and has a deep understanding to the relevant contents, aims at providing some enlightenment and thinking to the application of modified emulsified asphalt.

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SBS改性乳化沥青作为一种新型的高速公路沥青路面养护材料,备受人们关注。以室内试验研究为基础,研究了乳化剂用量的对改性乳化沥青筛余量、标准粘度、延度、针入度、软化点、60℃动力粘度、贮存稳定性的影响,综合比较,确定出BE-3X型乳化剂乳化SBS改性乳化沥青的最佳用量。
SBS modified emulsified asphalt as a new type of highway asphalt pavement mainte-nance materials,get so much attention.Based on the indoor test ,study the influence of the modified e-mulsified bitumen sieve residue quantity,Standard viscosity,ductility,penetration,softening point ,60℃ dynamic viscosity and stability by change of emulsifier dosage.A comprehensive comparison to deter-mine the optimal dosage of the BE -3X emulsifier when it emulsifying SBS modified emulsified bitumen.

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