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Testing Existing Structures – Compressive Strength and Tensile Split- ting Strength of the Lahntal Bridge Limburg

 Testing Existing Structures – Compressive Strength and Tensile Split- ting Strength of the Lahntal Bridge Limburg
Auteur(s): , ,
Présenté pendant IABSE Symposium: Towards a Resilient Built Environment Risk and Asset Management, Guimarães, Portugal, 27-29 March 2019, publié dans , pp. 1619-1627
DOI: 10.2749/guimaraes.2019.1619
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In 2016, the Lahntal Bridge near Limburg was replaced by a new structure. The existing bridge was deconstructed on a formwork carriage. Before the deconstruction, more than 250 concrete cores and o...
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Détails bibliographiques

Auteur(s): (Institute of Concrete Construction, Leibniz Universität Hannover, Deutschland)
(Institute of Concrete Construction, Leibniz Universität Hannover, Deutschland)
(Marx Krontal Partner, Hannover)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Towards a Resilient Built Environment Risk and Asset Management, Guimarães, Portugal, 27-29 March 2019
Publié dans:
Page(s): 1619-1627 Nombre total de pages (du PDF): 9
Page(s): 1619-1627
Nombre total de pages (du PDF): 9
DOI: 10.2749/guimaraes.2019.1619
Abstrait:

In 2016, the Lahntal Bridge near Limburg was replaced by a new structure. The existing bridge was deconstructed on a formwork carriage. Before the deconstruction, more than 250 concrete cores and other specimens were taken from the existing structure. The samples are located all over the cross section and the length of the bridge. These specimens are examined for their material prop- erties.

The investigations include the experimental determination of the compressive strength, the tensile splitting strength, the creep behaviour, the chloride ingress, fatigue tests and the anchoring behav- iour of the tendons. This paper deals with the compressive strength and the tensile splitting strength.

The results of these tests are statistically evaluated by determining the mean value, the standard deviation and the coefficient of variation. In addition, it is examined whether there are any correla- tions between various material properties. The results are also compared to the normative expec- tations of Eurocode 2.

Mots-clé:
structures existantes