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Mätning av vägytans longitudinella jämnhet: – metoder och nödvändig noggrannhet
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.ORCID iD: 000-0002-2397-0769
2002 (Swedish)Report (Other academic)
Abstract [sv]

The Swedish National Road Administration's (Vägverket) procurement for road

building projects is shifting increasingly towards

function-based contracts. This means that the requirements on the evenness of

a road surface must

reflect the capacity of the surface to serve the road user satisfactorily and

with minimal impact on

the local environment, while minimising costs for the road authority. In

general, there are virtually

no evenness indexes describing the serviceability of a road surface in these

respects. It is probable

that the connection between road evenness and such indexes is of varying

strength, which means

that the requirements on accuracy in road surface measurement are dependent

on the purpose of the

measurements. However, earlier research into road user, road authority and

environmental effects

of road surface characteristics has paid no attention to the issue of what

accuracy is required in

each case in order to study road surface characteristics and enable the

prediction of such effects.

Decisions regarding the accuracy required in measuring road profiles demand

access to a

relatively large sample of realistic road profiles with different evenness

levels and spectral

composition. Therefore, it was necessary to create a database within the

project containing road

profiles that had been measured with a known high level of accuracy.

Established relations

between road evenness and various related factors are largely based on

measurements from

existing road profilometers of the high-speed type. In order to estimate the

value of these relations,

it was therefore necessary to investigate whether existing profilometers

offer the measuring

accuracy required for these purposes. Data obtained from known road profiles

with the aid of such

equipment were thus collected.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut., VTI rapport 475 , 2002.
VTI rapport, ISSN 0347-6030
Keyword [en]
Swedish, Sweden, Surfacing, Longitudinal profile, Evenness, Measurement, Accuracy, Method, Profilometer, In situ
Research subject
Road: Highway design, Road: Surfacing
URN: urn:nbn:se:vti:diva-6345OAI: diva2:675221
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2016-02-25

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Magnusson, GeorgDahlstedt, SvenSjögren, Leif
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