0
  • DE
  • EN
  • FR
  • International Database and Gallery of Structures

Advertisement

Vergleich statischer und dynamischer Methoden zur Zustandsbewertung von Stahlbeton- und Spannbetontragwerken

Author(s):




Medium: journal article
Language(s): German
Published in: Beton- und Stahlbetonbau, , n. 10, v. 104
Page(s): 628-641
DOI: 10.1002/best.200900024
Abstract:

Comparison of Static and Dynamic Methods to Assess the State of Reinforced and Prestressed Concrete Structures

Cracks in reinforced and prestressed concrete structures lead to a reduction in stiffness and therefore to an influence on the static and dynamic properties. A conventional method to assess the static characteristics are static load tests which enable to correlate measured deformations with calculated values and to draw conclusions about the loading capacity. In case of bridges, these tests can be very cost-intensive and time-consuming and often require a closure of the bridge. Furthermore the measured deformations have to be examined in situ, in order to abort the test if the deformations exceed critical values. As well, the dynamic properties are affected by changes in stiffness and in many cases they can be quickly determined without large effort. Within this article the results of static and dynamic tests with laboratory reinforced and prestressed concrete structures and tests on a gradually damaged prestressed concrete bridge are presented. The results are compared with regard to the sensitivity of the different methods to damage.

Keywords:
health monitoring forced excitation of bridges
Available from: Refer to publisher
Structurae cannot make the full text of this publication available at this time. The full text can be accessed through the publisher via the DOI: 10.1002/best.200900024.
  • About this
    data sheet
  • Reference-ID
    10062306
  • Published on:
    19/11/2010
  • Last updated on:
    13/08/2014
 
Structurae cooperates with
International Association for Bridge and Structural Engineering (IABSE)
e-mosty Magazine
e-BrIM Magazine