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Bitumen Resistance to Plastic Deformation at High Temperatures

Gordeeva, I. V. / Dudareva, T. V. / Krasotkina, I. A. / Gorbatova, V. N. / Nikol’skii, V. G. / Zvereva, U. G. / Obukhov, A. G.

A number of Russian bitumen samples with the penetration range of 60 to 120×0.1 mm were rheologically investigated in the temperature range of 46–70°C 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 tgδ. 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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Bitumen Resistance to Plastic Deformation at High Temperatures

Gordeeva, I. V. / Dudareva, T. V. / Krasotkina, I. A. / Gorbatova, V. N. / Nikol’skii, V. G. / Zvereva, U. G. / Obukhov, A. G.

A number of Russian bitumen samples with the penetration range of 60 to 120×0.1 mm were rheologically investigated in the temperature range of 46–70°C 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 tgδ. 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.

Bitumen Resistance to Plastic Deformation at High Temperatures

Gordeeva, I. V. / Dudareva, T. V. / Krasotkina, I. A. / Gorbatova, V. N. / Nikol’skii, V. G. / Zvereva, U. G. / Obukhov, A. G.

A number of Russian bitumen samples with the penetration range of 60 to 120×0.1 mm were rheologically investigated in the temperature range of 46–70°C 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 tgδ. 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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Title:

Bitumen Resistance to Plastic Deformation at High Temperatures

Additional title:

Pet. Chem.

Contributors:

Gordeeva, I. V. (author) / Dudareva, T. V. (author) / Krasotkina, I. A. (author) / Gorbatova, V. N. (author) / Nikol’skii, V. G. (author) / Zvereva, U. G. (author) / Obukhov, A. G. (author)

Published in:

Petroleum Chemistry ; 63 ; 518-530

Publication date:

2023-05-01

Size:

13 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544123050080

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

bitumen , group composition , structural and rheological parameters , plastic rutting Chemistry , Industrial Chemistry/Chemical Engineering , Chemistry and Materials Science

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