Strut-and-tie modelling of reinforced concrete pile caps

[ptqc06]

Strut-and-tie modelling of reinforced concrete pile caps

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Shear failure is an important failure mode for pile caps, civil engineering structures in
reinforced concrete, often used as substructures for bridges. However, while relatively
thin slabs, such as flat slabs for office buildings, have been subjected to intense research
in the past, there is a lack of generic models for thicker structures today and building
codes are still based on less appropriate empirical or semi-empirical models. For this
reason, the design of pile caps for shear failures, and punching failure in particular,
often results in dense reinforced structures. A rational approach to shear failures in
three-dimensional structures is needed to provide a safe and efficient design of pile
caps

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