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Rating of concrete road bridges with static proof load tests

  • Lublin University of Technology
  • Delft University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

14 Scopus citations

Abstract

Nowadays, finite element analyses provide information about the performance of a structure, but they are more or less simplified. Therefore, load tests are the only way to find the "real" behavior of an existing bridge subjected to the rating process. In this paper, the state-of-the-art concerning load tests of concrete road bridges is presented, and the problems of the execution of such tests are specified. It is pointed out that only load tests accompanied with current finite element analyses may result in a proper assessment of the level of safety of the bridge. The authors' procedure of complex assessment of such bridges combines in-situ examination of the structure, load testing, and finite element modeling. The paper discusses the following topics:. Aims and fundamentals of static diagnostic and proof load tests,. The load application method according to different codes and specifications,. The basis for proper assessment of the target load: reliability index, partial factors approach, global. Rating factor approach,. Establishing the load allowable on the bridge, based on the applied proof load,. The proposed procedure of assessment of existing concrete road bridges by load testing.

Original languageEnglish
Title of host publicationAmerican Concrete Institute, ACI Special Publication
EditorsEva Lantsoght, Pinar Okumus
PublisherAmerican Concrete Institute
ISBN (Electronic)9781510871281
DOIs
StatePublished - 2018
EventEvaluation of Concrete Bridge Behavior Through Load Testing - International Perspectives at the ACI Fall 2017 Convention - Anaheim, United States
Duration: 15 Oct 201719 Oct 2017

Publication series

NameAmerican Concrete Institute, ACI Special Publication
Volume323
ISSN (Print)0193-2527

Conference

ConferenceEvaluation of Concrete Bridge Behavior Through Load Testing - International Perspectives at the ACI Fall 2017 Convention
Country/TerritoryUnited States
CityAnaheim
Period15/10/1719/10/17

Keywords

  • Codes of practice
  • Field testing
  • Finite element modeling
  • Load testing
  • Measurements
  • Proof load testing
  • Reinforced concrete bridges

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