Bitumen Resistance to Plastic Deformation at High Temperatures

被引:0
|
作者
Gordeeva, I. V. [1 ]
Dudareva, T. V. [1 ]
Krasotkina, I. A. [1 ]
Gorbatova, V. N. [1 ]
Nikol'skii, V. G. [1 ]
Zvereva, U. G. [2 ]
Obukhov, A. G. [2 ]
机构
[1] Russian Acad Sci FRCCP RAS, Semenov Fed Res Ctr Chem Phys, Moscow 119991, Russia
[2] LUKOIL Lubricants Co, Moscow 115035, Russia
关键词
bitumen; group composition; structural and rheological parameters; plastic rutting; CREEP-RECOVERY BEHAVIOR; PERFORMANCE; ASPHALTS; BINDERS; AFM;
D O I
10.1134/S0965544123050080
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A number of Russian bitumen samples with the penetration range of 60 to 120x0.1 mm were rheologically investigated in the temperature range of 46-70? to evaluate their resistance to plastic rutting using relevant oscillatory and rotational rutting parameters. Based on an assessment of correlations between structural and rheological parameters, the best correlations were observed between the Gaestel Colloidal Index (CI) and the rheological parameters R-3.2 and tgd. The study demonstrated that modified bitumen must be used for pavements with extreme ("E") traffic loading in Russian regions where PG 52 or higher grade binders are required.
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页码:518 / 530
页数:13
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