Authors: Szugat, Sebastian
Heinrich, Jens
Maurer, Reinhard
Müller, Christine H.
Title: Prediction intervals for the failure time of prestressed concrete beams
Language (ISO): en
Abstract: The aim is the prediction of the failure time of prestressed concrete beams under low cyclic load. Since the experiments last long for low load, accelerated failure tests with higher load are conducted. However, the accelerated tests are expensive so that only few tests are available. To obtain a more precise failure time prediction, the additional information of time points of breakage of tension wires is used. These breakage time points are modeled by a nonlinear birth process. This allows not only point prediction of a critical number of broken tension wires but also prediction intervals which express the uncertainty of the prediction.
Subject Headings (RSWK): Straßenbrücke
Stahlbrücke
Materialermüdung
Intervallschätzung
Stochastisches Modell
URI: http://hdl.handle.net/2003/34896
http://dx.doi.org/10.17877/DE290R-16944
Issue Date: 2016
Appears in Collections:Sonderforschungsbereich (SFB) 823

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