Impact – finished projects

Top (left) and rear side (rigth) of a tested plate in the drop-tower
Doctoral poject A5/II: Strengthening of stirrup-reinforced plates on the impact-far side within GRK 2250 further details
Funding: DFG / GRK 2250
Period: 05/2020 – 04/2023 (2nd cohort)

DeepC3000 on board the research ship Maria S. Merian shortly before deployment
Subproject UHPC and UHPC pressure vessels under impact, long-term and multi-axial loads within the joint research project Ultra-high strength concrete pressure vessels for marine engineering (DeepCsolution) more details
Funding: BMWK / Maritimes Forschungsprogramm
Period: 12/2019 – 06/2023

Fracture surfaces of a steel fiber-reinforced concrete specimen
Dynamic spallation and splitting tensile tests in the split-Hopkinson bar more information
Funding: BMWi
Period: 09/2019 – 09/2020

Test-specimen after a spallation test in the split Hopkinson bar
Modelling steel fiber reinforced concrete composite under high loading rate further details
Funding: Ministry of Higher Education and Scientific Research, Sudan
Period: 01/2018 – 12/2020

Numerical model of a concrete specimen with innumerable spherical impurities
Investigation of the influence of pore water on the wave propagation in concrete at high loading rates further details
Funding: BMWi / KEK
Period: 09/2017 – 11/2020

An elastic foamy material of the fruit’s peel protects the inside of the fruit
Doctoral poject A6/I-II: Strengthening of RC plates against impact on the impacted side within GRK 2250 further details
Funding: DFG / GRK 2250
Period:
05/2017 – 04/2020 (1st cohort)
05/2020 – 04/2023 (2nd cohort)

RC slab strengthened with fiber-reinforced concrete during the experiment
Doctoral poject A5/I: Strengthening of plates on the impact-far side within GRK 2250 further details
Funding: DFG / GRK 2250
Period: 05/2017 – 04/2020 (1st cohort)

Simulation in the area of the notch with crack pattern for notch model under quasi-static tensile load
Doctoral project B2/I: Modeling of the bond between reinforcement and of the mechanical behavior of reinforcement composites during shortterm dynamic loading within GRK 2250 further details
Funding: DFG / GRK 2250
Period: 05/2017 – 04/2020 (1st cohort)

Rear side of a tested plate made of carbon reinforced (4 layers of strengthening fabric) concrete after impact testing with a impactor energy of 4500 Joule; the impactor has stopped inside the plate
RC structures strengthened with TRC for impact loading further details
Funding: BMWi / AiF
Period: 06/2016 – 11/2018

Beam-end specimen in the split-Hopkinson bar
Bond between concrete and steel under high loading rates further details
Funding: BMUV
Period: 10/2014 – 04/2022

Remains of concrete after failure in a biaxial split-Hopkinson bar
Biaxial compressive strength of concrete under high loading rates further details
Funding: BMWi / KEK
Period: 10/2014 – 12/2017

Experimental observed failure patterns and numerical results at different times
Experimental study of reinforced concrete slabs under impact loading further details
Funding: DFG (Bundle proposal)
Period: 07/2013 – 06/2016

Numerical study on scale effects; here: slabs with an edge length of 1.5 m (above) and 2.0 m (below) under full scale load
Structural behaviour under impact loading by the impacting container (aircraft tanks) further details
Funding: BMWi
Period: 07/2012 – 12/2014 (period 1A), 08/2014 – 07/2016 (period 1B), 04/2017 – 09/2020 (period 1C)

Virtual concrete specimen – paricle ensemble with varying sphere diameters
Discrete element simulations of multiaxial material behaviour and failure mechanisms of concrete further details
Funding: DFG
Period: 03/2012 – 02/2014 (1st period), 08/2014 – 07/2016 (2nd period), 05/2017 – 05/2019 (3rd period)

Crack pattern after simulated failure of concrete specimen
DEM simulation of impact processes further details
Funding: BMWi / KEK
Period: 10/2010 – 09/2013

Unique Testing facilities of UCSD: The big Shaking Table
Impact loads on concrete structures further details
Funding: EU / Marie Curie International Outgoing Fellowships for Career Development
Period: 09/2010 – 08/2012

Impact machine at CTU in Prague – pendulum principle
Formulation of ultra-high performance fibre reinforced concrete - UHPFRC and its testing under high strain rates further details
Funding: DAAD | Ministry of the Interior of the Czech Republic
Period: 01/2010 – 09/2014

Drop tower facility at the Institute of Lightweight Engineering and Polymer Technology
Concrete under impact loading further details
Funding: IMB TUD
Period: 08/2009 – 12/2011

Computationally pressure wave distribution determined at different times after short-wave impact load
SP Modeling in the joint project Material behaviour of concrete under high loading velocity further details
Funding: BMWi
Period: 07/2009 – 12/2012

Destroyed concrete specimen after a trial in the biaxial split-Hopkinson bar
SP Biaxial concrete strength in the joint project Material behaviour of concrete under high loading velocity further details
Funding: BMWi
Period: 07/2009 – 12/2012