道路沥青
- 网络road asphalt;paving asphalt;road bitumen
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文中对道路沥青标准的若干指标进行了讨论,重点比较了PVN和PI值表达感温性能的差异,并对我国道路沥青标准的发展提出了个人的看法。
This paper discusses some indexes of paving asphalt standard , emphatically compares the difference between PVN and PI values which express the temperature susceptibility of the asphalt . Suggestion on development of domestic paving asphalt standard is given .
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兖州煤与渣油共处理制高等级道路沥青的研究
Coprocessing Yanzhou Coal with Petroleum Resid for Preparing Paving Asphalt
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塔河油SBS改性道路沥青的使用性能
Serviceability of SBS Modified Paving Asphalt From Tahe Crude Oil
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煤与FCC油浆共处理重质产物对道路沥青改性作用的评价
Evaluation of heavy products from co-processing of coal and FCC slurry for paving asphalt modification
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评价道路沥青感温性的指标包括针入度指数PI、针入度粘度指数、粘温指数等;
The indexes of temperature sensitivity are various such as PI , PVN , VTS and so on .
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SBS在道路沥青中的应用
The application of SBS in road asphalt
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SBS改性道路沥青
SBS Modified Road construction Bitumen
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采用配方均匀设计方法,制定试验方案,对FCC油浆与丙脱沥青调合生产重交通道路沥青进行试验研究。
FCC slurry blending with the asphalt from propane deasphalting unit to produce heavy traffic paving asphalt has been tested by adopting uniform recipe design scheme .
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以优质的道路沥青为原料,以SBR胶粉为改性剂,通过母料复合工艺生产出性能稳定优质的SBR改性沥青产品。
The Karamay Petrochemical Company produces excellent SBR modified asphalt with stable performance by good basic asphalt , SBR power as modified agent and a special process .
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以FCC油浆和丙脱沥青为原料,采用配方均匀设计方法,进行调合生产重交通道路沥青的研究。
The experiment of producing heavy traffic paving asphalt was carried out with the FCC slurry and the propane deasphalted asphalt as the feedstock by uniform prescription design method .
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齐鲁牌AH-90重交通道路沥青路用性能的研究
Study on Paving performance of Qilu ah - 90 heavy duty road asphalt
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胜利100B和韩国70道路沥青的热老化过程
Heat ageing of pavement asphalt grades Shengli 100b and South Korea 70
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用薄膜氧化法指导生产1号AH-70道路沥青的研究
Study of Thin-film Oxidation for Manufacturing Asphalt No.1 AH-70
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以回收的包装废弃聚合物&西服包装袋(主要成分EVA)代替普通聚合物改性剂,通过添加废胶粉对普通道路沥青进行复合改性。
The recycled waste suit-bags ( main ingredient EVA ) and waste crumb rubber , instead of the ordinary polymeric modifiers , were used to carry out combined modification to the common road asphalt .
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介绍了聚合物改性道路沥青工业生产中原料基质沥青、改性剂、相容剂和稳定剂的选用,SBS被选作改性剂,其用量为3%~6%。
The selection of base asphalt , modifier , compatilizer and stabilizer for industrial production of polymer modified road asphalt was presented . SBS was selected as modifier which dosage was 3 % to 6 % .
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利用模拟老化方法在0~250h和60100130℃条件下分别考察了国产道路沥青老化过程中组成与分子量分布的变化。
The changes were investigated at 0 ~ 250 h and 60,100,130 ℃ by simulating ageing .
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使用绥中36-1原油生产AH-50、AH-30重交通道路沥青
Production for AH-50 AH-30 Asphalt with Suizhong 36-1 Crude Oil
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UTW具有经济、耐久、节能等优点而在城市道路沥青路面维修、乡村公路面层、机场道面等方面具有广阔的前景。
For its advantages such as economy , durable and energy-saving , UTW show good prospect on asphalt pavement rehabilitation , surface layer and airfield pavement .
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通过对两种道路沥青抗老化性能的比较,表明AH-90沥青的抗老化性能优于AH-70沥青。
According to the analyses of the aging performances of these two asphalts , the aging resistance of AH-90 is better than that of AH-70 .
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根据塔河四区混合原油的性质,进行了生产AH-90重交通道路沥青的可行性研究。
Based on the properties of the blended crude produced in the forth zone in Tahe , the feasibility study on preparing AH-90 heavy-duty asphalt was made .
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确定了生产AH-110和AH-90重交通道路沥青的工艺条件,并对产品的性能进行了评价。
The best mixing ratio is2:1 and the process conditions for producing AH-110 and AH-90 heavy traffic road asphalts have been determined .
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试验结果表明,紫外线老化对重交通道路沥青、SBR改性沥青和SBS改性沥青的性能都有影响,但是相同条件的紫外线老化后,SBS改性沥青的低温性能最好。
The result showed that performances of heavy traffic road asphalt , SBR modified asphalt and SBS modified asphalt were influenced by ultraviolet photooxidation , but after the same ultraviolet photooxidation , low-temperature performance of SBS modified asphalt was best among the three kinds of asphalt .
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研究了采用超临界流体萃取技术(SFEF),以减压渣油和催化裂化油浆为原料,制备重交通道路沥青产品的可行性。
Experiments have been conducted to produce heavy paving asphalts from Xinjiang vacuum residue mixed with RFCC slurry by supercritical fluid extraction and fractionation ( SFEF ) .
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车辙试验中,改性沥青混合料为3500次/mm,AH-70重交通道路沥青混合料为1700次/mm。
In rutting test , the result of modified asphalt mixture was 3 500 times / mm , and AH-70 heavy traffic road bitumen was 1 700 times / mm .
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利用红外光谱(窗片涂膜法和溶液法)与凝胶色谱分别定量测定了胜利100B道路沥青老化过程中羰基、亚砜官能团与相对分子质量分布的变化情况。
The changes of carbonyl , sulfoxide and molecular weight distribution of Shengli 100B during ageing were determined by IR spectra ( coating and cell ) and gel chromatography separately .
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对SBS道路沥青改性剂F-420、F-411X、YH-4303进行了沥青改性效果对比评价试验,并对F-420改性沥青进行了道路应用试验。
Properties tests have been done on modifiers F-420 , F-411X and YH-4303 which were applied to manufacture SBS modified asphalts . SBS modified asphalt with F-420 have been put into applications in highway .
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利用现代分析方法(IR光谱、1H-NMR、SEC),考察了进口韩国70道路沥青在0h~250h和60℃~130℃薄膜热老化前后特征官能团与分子结构变化。
The changes of functional-group and molecular structure of South Korea 70 asphalt for pavement at 0 ~ 250h , 60 ~ 130 ℃ were investigated by modern analytics , such as IR spectra , SEC and 1H-NMR , and the thin film heat ageing ( TFHA ) .
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高等级道路沥青稳定基层的实践与思考
Practice and Bethink of Asphalt Stabilized Base for High Grade Road
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生产道路沥青的一种新工艺的试验研究
A study on a new test method of road asphalt production
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公路及城市道路沥青路面的平整度控制
Smoothness Control of the Asphalt Pavement in Highway and Urban Road