Practical implications of recent research on proof load testing
E. O.L. Lantsoght (TU Delft - Civil Engineering & Geosciences, Universidad San Francisco de Quito, Luleå University of Technology)
R. de Vries (TU Delft - Civil Engineering & Geosciences, TNO)
G. I. Zarate Garnica (TU Delft - Civil Engineering & Geosciences, Ney & Partners NL)
Y. Yang (TU Delft - Civil Engineering & Geosciences)
M. A.N. Hendriks (Norwegian University of Science and Technology (NTNU), TU Delft - Civil Engineering & Geosciences)
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Abstract
Proof load testing can be used to directly assess bridges. Over the past six years, fundamental research has been carried out at Delft University of Technology to derive mechanics-based shear stop criteria and to enable structural reliability updating via Bayesian methods. To translate these research findings into recommendations for practice, aspects related to determining the target load, location of the load, location of the sensors, and practical implementation steps have been addressed. This paper illustrates these recommendations with a hypothetical case study showing the influence on the preparation and execution of proof load tests. The result is practical guidance for proof load testing, demonstrating how information sources can be combined to achieve minimal target loads. While application via a full-scale test is pending, these recommendations reflect the latest research insights into proof load testing and its implementation strategies.
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