2025, Vol. 12, No. 4. - go to content...

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DOI: 10.15862/10SATS425 (https://doi.org/10.15862/10SATS425)

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Konorev A.S., Mironyuk V.P., Mironchuk S.A., Volkov A.B., Alymov A.A. Formulation of requirements for collecting mobile laser scanning data when obtaining a microprofile to determine the IRI indicator. Russian Journal of Transport Engineering. 2025; 12(4). Available at: https://t-s.today/PDF/10SATS425.pdf (in Russian). DOI: 10.15862/10SATS425

Formulation of requirements for collecting mobile laser scanning data when obtaining a microprofile to determine the IRI indicator

Konorev Alexander Sergeevich
FAI «ROSDORNII», Moscow, Russia
E-mail: konorev@rosdornii.ru
ORCID: https://orcid.org/0009-0007-1052-0260
RSCI: https://elibrary.ru/author_profile.asp?id=807191

Mironyuk Vitaly Petrovich
FAI «ROSDORNII», Moscow, Russia
E-mail: mironyuk@rosdornii.ru
ORCID: https://orcid.org/0009-0004-4862-7424
RSCI: https://elibrary.ru/author_profile.asp?id=384816

Mironchuk Sergei Aleksandrovich
FAI «ROSDORNII», Moscow, Russia
E-mail: mironchuk@rosdornii.ru
ORCID: https://orcid.org/0000-0002-0312-424X
RSCI: https://elibrary.ru/author_profile.asp?id=820416

Volkov Aleksandr Borisovich
FAI «ROSDORNII», Moscow, Russia
E-mail: volkov@rosdornii.ru
ORCID: https://orcid.org/0009-0002-1777-0303
RSCI: https://elibrary.ru/author_profile.asp?id=1204997

Alymov Aleksandr Aleksanrovich
FAI «ROSDORNII», Moscow, Russia
Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia
E-mail: alymovaa@rosdornii.ru
ORCID: https://orcid.org/0009-0005-9058-1973

Abstract. This article examines the requirements for collecting data obtained using mobile laser scanning systems to develop a methodology for calculating the ordinates of the road surface microprofile and the IRI. Comparative tests of four mobile laser scanning systems were used to obtain and analyze the required data collection parameters. Parameters that significantly affect the density of laser reflection points and the microprofile calculation results were identified. To evaluate the mobile laser scanning measurement results for different survey settings at different travel speeds, a preliminary methodology for collecting and processing TLO data for calculating the road surface microprofile and subsequently calculating the international longitudinal smoothness index was developed. Based on the obtained microprofile and the IRI calculation results for four mobile laser scanning systems, an analysis of the influence of mobile laser scanning survey settings and an assessment of the influence of speed on the number of laser reflection points and the accuracy of measurements were performed. The International Roughness Index (IRI) values calculated using laser reflection data were compared with the reference IRI values obtained during leveling of the same section. Based on the calculation results, the recommended measurement speed was determined, and the effectiveness of the developed preliminary method for processing mobile laser scanning data was confirmed.

Keywords: road surface; longitudinal smoothness; microprofile; International Roughness Index (IRI); mobile laser scanning; point density; laser reflection points

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