Status of the EU-project ROSANNE

Haider, M.; Conter, Marco; Green, Martin A.; Schmidt, Bjarne; Sandberg, Ulf

doi:10.1016/j.trpro.2016.05.415

Cited by 8 publications

(3 citation statements)

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“…Od roku 2015 pro porovnávání výsledků z různých míst v souladu s doporučením mezinárodní pracovní skupiny CEN TC227/WG5 je jedinou vhodnou metodou pro dlouhodobé sledování změn akustické charakteristiky obrusných vrstev krytů vozovek pozemních komunikací metoda CPX (3). Metoda je popsána v nově vydané normě z roku 2017: ISO 11819-2:2017 Acoustics -Measurement of the influence of road surfaces on traffic noise -Part 2 (4), kde jsou uvedeny základní požadavky na měření a korekce.…”

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Long-term change in the noise level of road pavements and their assessment

Křivánek¹,

Marková²,

Effenberger³

2019

Hygiena

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SOUHRNSnížení emisí hluku do životního prostředí je prioritou dopravní politiky jak jednotlivých států, tak Evropské unie. Hlučnost z provozu na silničních komunikacích, představuje dominantní podíl na celkové hlukové zátěži a je ovlivňována intenzitou, složením a rychlostí dopravního proudu, ovšem také technickým stavem vozovky, tedy stavem její obrusné vrstvy. Realizace obrusných směsí se sníženou hlučností na pozemních komunikacích představuje velmi efektivní protihlukové opatření přímo u zdroje hluku. Na základě doporučení technické komise TC 227/WG5 Evropského výboru pro normalizaci CEN a výsledků evropského projektu ROSSANE je pro monitoring hlučnosti povrchů vozovek výhradně upřednostňována metoda CPX, která jako ISO norma vyšla v březnu 2017. V České republice se dosud v omezené míře používá aplikace technologií asfaltových vrstev snižujících hlučnost, přičemž tyto technologie mají svá specifika. Z hlediska akustického hodnocení těchto technologií se postupuje v ČR dle nového závazného předpisu Ministerstva dopravy ČR, TP 259 Asfaltové směsi pro obrusné vrstvy se sníženou hlučností, který vyšel v prosinci 2017. SUMMARYReduction of noise emission into the environment is a priority of transport policies of individual countries, as that of well as the European Union. Road traffic noise has a dominant share in the total noise production and is influenced by traffic volume, traffic composition, traffic flow speed, as well as the technical condition of the road pavement, i.e. the condition of its wearing course. The installation of low-noise wearing courses on road pavements is a very effective acoustic measure directly at the noise source. Based on the recommendation of the technical committee TC 227/WG5 of the European Committee for Standardisation CEN and on the results of the European project ROSSANE, the CPX method, which was published as an ISO standard in March 2017, is exclusively preferred for the monitoring of road pavement noise. Technologies of asphalt mixtures reducing noise have been applied in the Czech Republic. These technologies have their specific features. Regarding the acoustic assessment of these technologies in the Czech Republic, "binding technical specifications" TP 259 Asphalt mixtures for low-noise wearing courses, published by the Ministry of Transport in December 2017, are in use.

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Long-term change in the noise level of road pavements and their assessment

Křivánek¹,

Marková²,

Effenberger³

2019

Hygiena

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“…In the past, the typical approach was to perform harmonization studies to allow the results of pavement surface interaction characteristics from different devices ( 2 – 5 ) to be compared. However, the true value of the parameter measured is unknown for the entire surface.…”

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confidence: 99%

Repeatability and Agreement of Various High-Speed Macrotexture Measurement Devices

Bongioanni

Maeger

Katicha

et al. 2019

Transportation Research Record: Journal of the Transportation R

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Five high-speed macrotexture measurement devices were tested on a variety of asphalt and Portland cement concrete pavement surfaces to evaluate their repeatability and their pairwise agreement. Experiments were run under three speed conditions: highway speed, varying constant speeds, and various acceleration and deceleration profiles. Data were processed and reduced per current industry standards. A novel approach for outlier removal from line laser devices was developed. The pairwise device agreement was evaluated using a limits of agreement analysis. The results demonstrate good repeatability for each of the devices tested. The agreement analysis showed that not all high-speed distance triangulation devices can be used interchangeably for all pavement surfaces. Data acquisition speed was found to be a factor in macrotexture parameter calculation for two of the five devices. The effect of speed was found to be worse on randomly textured surfaces than on transversely textured surfaces. Finally, acceleration was shown to have an effect on the parameters produced by one of the devices, giving further credence to the fact that care should be taken to gather high-quality datasets for the critical pavement characteristic of macrotexture.

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“…Results of correlation trials carried out in the ROSANNE project (Haider et al, 2016) are used to test this new approach. Preliminary results show an improvement of the reproducibility as compared to the HERMES trials.…”

Section: Harmonisation Trialsmentioning

confidence: 99%

Skid resistance of asphalt pavements : laboratory measurements and model assessment

Bijsterveld¹

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For a car to be able to brake, accelerate or change direction, it needs a sufficient level of friction between its tyres and the pavement surface. The tyres play an important role, but road authorities are only responsible for an adequate level of skid resistance of the pavement surface. The skid resistance of a pavement changes over time due to various processes, such as polishing, wear and weathering, but also temporary effects such as temperature or dust accumulation. Road authorities perform skid resistance measurements on a regular basis in order to be able to plan and perform timely maintenance to restore skid resistance. There are only in Europe 14 skid resistance measurement devices with different working principles and different technical characteristics, such as the type of tyre, the measurement speed, the type and amount of wheel slip, the vertical load, etc. These differences make that the measurements are comparable, but there is no unique correlation, since the response to changes in the friction conditions are different for each measurement device, and especially for each type of rubber used for the testing wheels.

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Status of the EU-project ROSANNE

Cited by 8 publications

References 0 publications

Long-term change in the noise level of road pavements and their assessment

Long-term change in the noise level of road pavements and their assessment

Repeatability and Agreement of Various High-Speed Macrotexture Measurement Devices

Skid resistance of asphalt pavements : laboratory measurements and model assessment

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