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Load testing result analysis of the Latvian bridges

 Load testing result analysis of the Latvian bridges
Auteur(s): ,
Présenté pendant IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, publié dans , pp. 68-69
DOI: 10.2749/222137813806474228
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The paper presents results obtained from the bridge dynamic load tests for a period of more than 50 years. The main values obtained from the load testing are - the vertical displacement of the deck...
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Détails bibliographiques

Auteur(s):

Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Publié dans:
Page(s): 68-69 Nombre total de pages (du PDF): 8
Page(s): 68-69
Nombre total de pages (du PDF): 8
Année: 2013
DOI: 10.2749/222137813806474228
Abstrait:

The paper presents results obtained from the bridge dynamic load tests for a period of more than 50 years. The main values obtained from the load testing are - the vertical displacement of the deck including dynamic load factor, the natural frequency of the bridge, the dynamic increment and the logarithmic decrement. The obtained results show that the natural frequency depends highly on the length of the span, static scheme of the bridge, type of the span cross-section, structural materials, construction methods and bearing type. It was found that the dynamic increment did not depend on the natural frequency, but was dependent on the logarithmic decrement. The logarithmic decrement showed dependency on the length and the types of the span structures.

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