Safi Ur Rehman Finite Element Analysis of Impact-perforated Reinforced Concrete Slabs Master Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Structural Engineering and Building Technology. Espoo, Date: 27.11.2017 Supervisor: Asst. Prof. Jarkko Niiranen Advisor(s): M.Sc. Markku Raiskila, D.Sc. (Tech) Alexis Fedoroff