Lips / Muttoni / Fernández Ruiz / Ecole Polytechnique Fédérale de Lausanne, Switzerland 1 fib Model Code 2010 Punching of flat slabs: Design example Stefan Lips, Aurelio Muttoni, Miguel Fernández Ruiz Ecole Polytechnique Fédérale de Lausanne, Switzerland, 16.12.2011