Study of spalling and bursting forces in precast prestressed concrete elements with no conventional geometry
DOI:
https://doi.org/10.3989/ic.64053Keywords:
Prestressed concrete, built-up of prestress, precast, bond, bursting, spalling, prestressedAbstract
Spalling and bursting forces in prestressed concrete members are addressed in this current Manuscript. Specifically, it is focused on structural members with no conventional geometry and without transverse reinforcement. Starting out by some informed forensic cases, both forces and related tensile stresses are being analyzed. The approaches for the prediction and evaluation of these stresses are also analyzed and the validity is properly verified. For this purpose, a Finite Element Analysis is made, underlining some geometrical and mechanical parameters. Finally, technical aspects (which could be essential for the structural analysis of the spalling and bursting forces in these kind of specimens) that have not been carried out in deep in the referenced technical documents or in the current codes or specifications are highlighted.
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