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Kontroll och uppföljning av entreprenader - del 2, tillståndsutveckling, mätfel och risker: Vägytemätning med mätbil
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0002-9893-0067
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0002-5306-2753
Ramböll.
2019 (Swedish)Report (Other academic)Alternative title
Control and follow-up of contracts - part 2, condition development,measurement errors and risks : Road surface measurement (English)
Abstract [sv]

Trafikverket har som mål att öka antalet totalentreprenader. För att få en fungerande kontrollapparat kring entreprenaderna krävs metoder för att verifiera att ställda krav uppfylls under vägens garantitid. I denna undersökning riktar vi in oss på funktionella krav som ställs vid totalentreprenader och som kan kontrolleras med vägytemätning.

Rapporten belyser mätfel vid objektmätning (kontrollmätning). Mätfelet delas upp i olika komponenter: slumpmässiga, systematiska och variation mellan olika leverantörer. Även riskbedömning berörs där beräkningar av risken för felbedömning av en sträcka presenteras.

Slutligen presenteras hur jämnheten vid anläggningen av en entreprenad påverkar vägens framtida tillståndsutveckling och vilka initialvärden vi kan förvänta oss på en totalentreprenad och underhållsbeläggning. Vi ser att en väg med god jämnhet längs och tvärs färdriktningen ger lägre utvecklingstakt under beläggningens livslängd.

Abstract [en]

The Swedish Transport Administration aims to increase the number of design build contracts. To get a functioning control device around the contracts, well defined requirements must be set for the warranty period of the road. In this survey we focus on functional requirements that are set for design build contracts and which can be checked by means of a road surface testing.

In the report, measurement errors are highlighted in object measurement (control measurement). The measurement error is divided into different components: random, systematic and variation between different suppliers. Risk assessment is also discussed where calculations of the risk of error assessment of a section are presented.

Finally, it is presented how the results of the condition (evenness) affect the future development of the road and what initial values we can expect from a design build contract and maintenance work. We see that a road of good evenness, longitudinally and transversally, gives a lower development rate during the life of the road.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2019.
Series
VTI rapport, ISSN 0347-6030 ; 1018
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:vti:diva-13994OAI: oai:DiVA.org:vti-13994DiVA, id: diva2:1335822
Available from: 2019-07-08 Created: 2019-07-08 Last updated: 2019-08-26Bibliographically approved

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fulltext(7772 kB)43 downloads
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File name FULLTEXT01.pdfFile size 7772 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Lundberg, ThomasEriksson, Olle

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CiteExportLink to record
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