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Utformning av sidoområden med hänsyn till vägens livscykelkostnad
Jönköping University, School of Engineering, JTH, Civil Engineering.
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
##### Abstract [en]

Single vehicle accidents are one of the most common types of accidents that occur on the Swedish road network. Depending on the design of the road, the presence of a crash barrier and embankment on the roadside, the outcome of a roadside collision can lead to serious injuries and even deaths.The aim of this project is to investigate the possibility of improving road safety by designing the optimal roadside area based on the results of a life cycle cost analysis (LCC).The questions that have been answered during the duration of this project are:

1) Describe the current technical solutions for roadside area design and the various barrier types used in Sweden.2) Complete an existing mathematical model that has been developed by Hawzheen Karim, for calculating life-cycle costs for various roadside areas.3) Calculate and compare the life cycle costs for the side area with a barrier and without a barrier.

By performing an analysis of the documentation on the current guidelines and rules for shaping the roadside, was it possible to describe the current technical solutions for the formation the roadside as well as the current roadside barriers in use today. A mathematical model for calculating the life cycle costs of different barrier types had already been developed by Hawzheen Karim. This model was supplemented so that it could calculate life-cycle costs of the roadside region with and without a barrier. After the model was completed, an analysis was performed to obtain life-cycle costs of a roadside with and without a barrier.The result showed that there is a clear relationship between the slope inclination, fill height, and the rate at which the costs rise. This breakpoint is highly dependent on several factors such as the price of land, the presence of bedrock in the construction process and if the ballast material needs to be treated. A flatter slope causes an increase in both the volume of material and the area of land that needs to be obtained, while a steep slope with a barrier may result in higher costs to society due to fatal collisions with the barrier and higher operating and maintenance costs.

##### Abstract [sv]

Singelolyckor är en av de vanligaste olyckstyperna som förekommer på det svenska vägnätet. Beroende på utformningen av vägen, förekomsten av vägräcke och slänten på sidoområdet kan förloppet av en avkörningsolycka leda till svåra skador och även dödsfall. Syftet med detta projektet är att undersöka möjligheten att öka trafiksäkerheten genom att utforma det optimala sidoområdet baserat på en livscykelkostnadsanalys (LCC-analys).De frågeställningar som har besvarats under projektets utförande är:

1) Beskriv de nuvarande tekniska lösningar för sidoområdets utformning och de olika typer av räcken som används i Sverige.2) Komplettera en befintlig matematisk modell som har tagits fram av Hawzheen Karim, för beräkningar av livscykelkostnader för olika sidoområden.3) Beräkna och jämför livscykelkostnader för sidoområdet med räcken och utan räcken.

2013. , p. 66
##### Series
JTH Dissertation Series
##### National Category
Engineering and Technology Infrastructure Engineering Other Civil Engineering
##### Identifiers
OAI: oai:DiVA.org:hj-21840DiVA, id: diva2:643825
Trafikverket
##### Subject / course
JTH, Civil Engineering
##### Presentation
2013-05-22, Högskoleområdet, Gjuterigatan 5, 553 18, Jönköping, 15:36 (Swedish)
##### Examiners
Available from: 2013-09-06 Created: 2013-08-28 Last updated: 2013-09-06Bibliographically approved

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##### File information
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##### By organisation
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##### On the subject
Engineering and TechnologyInfrastructure EngineeringOther Civil Engineering

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Cite
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