Research

Interdisciplinary research project: Design of breakwaters

  • Development of a new reinforcing concept for the geometrically optimized breakwaters
  • Idealization of wave action by simulated equivalent loads
  • Design of steel/textile reinforced concrete structure with the help of nonlinear FE simulation
  • Development of production technology including 3D formwork
  • Production and execution of tests to verify the load-bearing capacity

Responsible: Yasar Hanifi Gedik

Reinforced concrete columns confined with carbon fiber-reinforced polymer

  • Numerical investigation of the influence of pre-loading on the confinement effectiveness of columns confined by CFRP
  • Modelling the lateral expansion of concrete passively confined by CFRP
  • Planning and execution of tests on columns with different preloads and with different numbers of CFRP-layers
  • Mechanical modelling the confinement effect based on the deformation compatibility between concrete and confining material

Responsible: Nima Kian

Minumum shear reinforcement of reinforced concrete members with various M/V-combinations

Stress in stirrups measured by fiberoptical sensors
  • Numerical investigation of the load-bearing behavior of shear-force-reinforced structural members with various M/V-combinations
  • Planning and execution of shear force tests on beams with low shear force reinforcement
  • Performing parameter studies using the validated numerical simulations to quantify the required shear reinforcement at different moments/shear force combinations
  • Derivation of formula for minimum shear force reinforcement for practical design

Responsible: Mostafa Yakubi

Shear and torsion behaviour of thin-walled, open sections made of reinforced and prestressed concrete

FE-modeling of a thin walled beam under torsion action
  • Analytical investigation of the force flow and load-bearing behavior of thin-walled, open sections under shear and torsional loads
  • Investigation of the force transmission at partially opened joints in precast construction
  • Conducting tests on thin-walled, open sections made of prestressed concrete
  • Development of design models

Responsible: Duy Hung Nguyen

Publication

Betschoga, C.; Tung, N.D.; Tue, N.V.: Influence of shear reinforcement on the shear cracking and shear resistance of simply supported beams subjected to concentrated loads and cantilevers subjected to uniformly distributed loads. Engineering Structures 2024; 304, 117613. https://doi.org/10.1016/j.engstruct.2024.117613

Oshtolagh, M.R.; Farzam, M.; Kian, N.; Sadaghian, H.: Behavior of recycled steel fiber reinforced concrete beams in torsion experimental and numerical approaches. Computers and Concrete 2023; 32(2): 000–000. https://doi.org/10.12989/cac.2023.32.2.000

Nguyen, D.H., Diem, N.D., Pham, T.K.: An Improved Correction Technique for the Prediction of the Dynamic Response of a Beam under a Moving Vehicle. Engineering, Technology & Applied Science Research 2023; 13(5), 11540–11546. https://doi.org/10.48084/etasr.6129

Tue, N.V.; Betschoga, C.; Tung, N.D.: Experimentelle Untersuchungen zum Einfluss des statischen Systems und der Belastungsart auf die Querkrafttragfähigkeit von Balken mit geringer Querkraftbewehrung. Beton- und Stahlbetonbau 2023; 118(7): 467–777. https://doi.org/10.1002/best.202300031.

Gedik, Y.H.; Betschoga, C.; Tung, N.D.; Tue, N.V.: Numerical investigation on the shear behavior of slender reinforced concrete beams without shear reinforcement differed by various boundary and loading conditions. Structures 2023, 50, 870-883. https://doi.org/10.1016/j.istruc.2023.02.052.

Betschoga, C.; Sever, Y.; Tung, N.D.; Lutz, M.; Tue, N.V.: Biegeschubtragfähigkeit zentrisch vorgespannter Stahlbetonbalken unter Gleichstreckenlast. Beton- und Stahlbetonbau 2022, 117(6), 433-444. https://doi.org/10.1002/best.202200025.

Betschoga, C.; Tung, N.D.; Tue, N.V.: Investigations on the influence of boundary and loading conditions on the shear resistance of FRP concrete beams without shear reinforcement. Composite Structures 2021, 262, 113335. https://doi.org/10.1016/j.compstruct.2020.113335.

Tung, N.D.; Betschoga, C.; Tue, N.V.: Analysis of the crack development and shear transfer mechanisms of reinforced concrete beams with low amounts of shear reinforcement. Engineering Structures 2020, 222, 111114. https://doi.org/10.1016/j.engstruct.2020.111114.

HSU

Letzte Änderung: 5. March 2024