Investigation on the Behaviour of Reinforced Concrete Slabs under Dynamic Impact Loading

Investigation on the Behaviour of Reinforced Concrete Slabs under Dynamic Impact Loading

👓 Mudar Hamsho
Investigation on the Behaviour of Reinforced Concrete Slabs under Dynamic Impact Loading

Investigation on the Behaviour of Reinforced Concrete Slabs under Dynamic Impact Loading

✅ Project Report from the year 2015 in the subject Engineering - Civil Engineering, grade: 1.3 (90-100%), Dresden Technical University, language: English, abstract: In the frame of a research program at the TU Dresden, reinforced concrete slabs are tested in a drop-tower. The goal is to obtain a model with which the prediction of the structural behav-ior of the slabs under high loading rates, depending on different parameters. The global behavior response of RC slabs (symmetric reinforcement without shear stirrups) due to a hard impact projectile and a strain rate 10-1 [1s] has been addressed in this project-work. A complex drop-mass apparatus is used to conduct experiments and investigations on the impact dynamic behavior of RC slabsThe focus was on the response stage of the linear elastic field and how to correlate this re-sponse stage to the drop-height depending on raw experimental data.A process of data analysis for hundreds, thousands, or millions of data measurements has been carried out and an analytical model based on a system of single degree of freedom and different simplifications is shown with different verification methods. The model enables predicting bending response due to impact.The test of 11 slabs with drop-heights (1 to 4 meters) provides the required data to calibrate the analytical model as well as future numerical models.



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