Project
Fatigue life assessment of road bridges with actual traffic loads (AGB2007/004)
Funding origin:
Switzerland
STRIA Roadmaps:
Transport infrastructure (INF)
Transport mode:
Multimodal
Transport sectors:
Passenger transport
Freight transport
Project website:
Duration:
Start date: 01/12/2007,
End date: 01/11/2013
Status: Finished
Funding details:
Overview
Background & policy context:
This project takes place within the general framework of the fatigue sections revision of the current structural engineering codes which deals with both road bridges and railway bridges (design code SIA 261 to SIA 267 revision planned), new as well as existing structures, since the use of the damage equivalence correction factor concept is also planned within the drafting of the codes for assessment of existing structures (SIA 269).
Objectives:
The objectives of the project are as follows:
- To extend the possibilities of a traffic simulation software by developing fatigue specific modules for the determination of internal force spectrums and damage sum for two lanes bridges.
- To allow for the revision of fatigue sections in the SIA codes n. 261 to n. 265 (damage equivalence factor).
- To clarify the rules for the determination of the influence line fatigue characteristic length in order to have a coherent fatigue verification method.
- To allow for the possibility of fatigue assessment for particular cases of existing bridges.
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