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This paper reports some preliminary results of an ongoing research activity addressed to collect and to elaborate the main mechanical properties of materials of pre- and post-tensioned concrete girder bridges. In particular, in this work data samples is obtained by analyzing design documents of a stock of existing bridges realized in Basilicata (south of Italy). At first, the paper presents a proposal on how information available is collected. Then, results of the statistical elaborations on the samples gathered are shown, in order to provide useful support in estimating the mechanical properties of the materials used in the bridges typologies considered in this study.
Antonella et al. (Mon,) studied this question.