Categorization of formulas for calculation of crack width and spacing in reinforced concrete elements
Anton van der Esch (Eindhoven University of Technology)
Rob Wolfs (Eindhoven University of Technology)
Sonja Fennis (Ministry of Infrastructure and the Environment)
Marco Roosen (TU Delft - Concrete Structures, Ministry of Infrastructure and the Environment)
Simon Wijte (Eindhoven University of Technology)
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Abstract
Over the last century, over one hundred crack width formulas have been developed to calculate the width and spacing of cracks in reinforced and prestressed concrete elements. It is unclear which formulas are the most accurate. An extensive comparison study is required to determine which formulas accurately describe the crack patterns, consisting of the crack width and spacing. To make such a study possible, this paper proposes categorizing formulas. The categorization of the formulas is based on their applicability, crack pattern representation, and background. The categorization presents an overview of the different assumptions and application areas for describing crack patterns.