Recommendations for proof load testing of reinforced concrete slab bridges

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Abstract

Proof loading of existing bridges is an option to study the capacity when crucial information about the structure is lacking. To define the loading criteria for proof load testing, a review of the literature has been made, finite element models of existing viaducts have been made, and on these viaducts, proof loading tests have been carried out. These bridges were heavily instrumented, to learn as much as possible about the structural behaviour during proof loading. Additional laboratory experiments have been used to develop controlled loading protocols, and to identify which stop criteria can be used for which case. As a result of the analysis and experiments, recommendations are given for proof loading of bridges with respect to the required maximum load and the stop criteria. These recommendations have resulted in a guideline for proof loading
of existing reinforced concrete slab bridges for The Netherlands.
Original languageEnglish
Title of host publication39th IABSE Symposium – Engineering the Future
Subtitle of host publicationSeptember 21-23 2017, Vancouver, Canada
Number of pages9
Publication statusPublished - 2017
Event39th IABSE Symposium: Engineering the Future - Vancouver, Canada
Duration: 21 Sep 201723 Sep 2017
Conference number: 39
https://www.iabse2017.org/

Conference

Conference39th IABSE Symposium
Abbreviated titleIABSE Vancouver 2017
CountryCanada
CityVancouver
Period21/09/1723/09/17
Internet address

Keywords

  • guidelines
  • proof load testing
  • field testing
  • reinforced concrete
  • stop criteria
  • flexure
  • slab bridges
  • shear

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