Research Assistant | Coordination of experimental research and industrial projects
Design and construction of concrete structures
Research topics
- Load-bearing and deformation behaviour of FRP-reinforced concrete structures under compressive loading
- Dimensioning of load-bearing structures
- Reliability-theoretical methods in civil engineering
Teaching
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CV
- since February 2024 Member of the DAfStb – Subcommittee “Non-metallic reinforcement”
- since October 2019 Research assistant at the Institute for Solid Structures, TU Darmstadt
- 2019-2020 Project engineer, KHP König und Heunisch Planungsgesellschaft mbH & Co. KG in Frankfurt am Main
- Structural assessment of structures in water engineering and bridge construction
- Structural design of lock and weir structures, as well as excavation pits in reinforced concrete and steel construction
- 2016-2018 Master's degree programme in civil engineering (M.Sc.) at the TU Darmstadt
- Specializations: solid construction, steel construction, geotechnics, statics
- Master's thesis: „Monte Carlo simulation of unreinforced masonry walls under consideration of spatially scattering material properties“
- 2013-2016 Bachelor's degree programme in civil engineering (B.Sc.) at the TU Darmstadt
- Specialization: Structural Engineering
- Bachelor's thesis: „Investigations into the effects of a forklift truck impact on reinforced concrete columns“
| Offered theses |
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| Here you can find an overview of theses currently offered at the Institute. |
| Supervised theses |
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| Here you can find an overview of supervised theses. |
Publications
Here you can find a complete list of all publications on Google Scholar.
| year | author, title |
|---|---|
| 2024 |
Bujotzek, L.; Waldmann, D.: Innovative buckling safety verification method for the determination of second-order effects in slender FRP reinforced columns including effects of FRP creep, In: Engineering Structures, 2024 DOI: https://doi.org/10.1016/j.engstruct.2024.119143 |
| 2024 |
Bujotzek, L.; Apostolidi, E.; Waldmann, D.: Material properties for the shear design of earth masonry under the influence of relative humidity, In: Construction and Building Materials, 2024 DOI: https://doi.org/10.1016/j.conbuildmat.2024.138692 |
| 2024 |
Bujotzek, L.; Apostolidi, E.; Waldmann, D.: Novel model for the determination of stress redistribution in GFRP reinforced concrete members under long-term compression based on experimental results, In: Construction and Building Materials, 2024 DOI: https://doi.org/10.1016/j.conbuildmat.2024.136619 |
| 2024 |
Bujotzek, L.; Beck, D.; Apostolidi, E.; Waldmann, D.: Experimental and statistical investigations of the material properties of FRP reinforcement in compression, In: Construction and Building Materials, 2024 DOI: https://doi.org/10.1016/j.conbuildmat.2023.134782 |
| 2023 |
Hiesch, D.; Bujotzek, L.; El Ghadioui, R.; Proske, T.; Graubner, C.-A.: Theoretical and experimental investigation of the time-dependent relaxation rates of GFRP and BFRP reinforcement bars, In: Structural Concrete, 2023 DOI: 10.1002/suco.202200212 |
| 2022 |
Müller, D.; Bujotzek, L.; Proske, T.; Graubner, C.-A.:Influence of spatially variable material properties on the resistance of masonry walls under compression, In: Materials and Structures 55(2), 2022, Darmstadt DOI: 10.1617/s11527-022-01913-z |
| 2021 |
El Ghadioui, R.; Hiesch, D.; Bujotzek, L.; Graubner, C.-A.: Structural behaviour of CFRP reinforced concrete members under monotonic and cyclic long-term loading, In: Materials and Structures 54(4), 2021, Darmstadt DOI: 10.1617/s11527-021-01728-4 |
| 2021 | Bujotzek, L.: Experimentelle Untersuchungen zur Ermittlung der Festigkeits- und Verformungseigenschaften von FVK-Bewehrung unter Druckbeanspruchung, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Band 36, 2021, Darmstadt. |
| 2021 | Bujotzek, L.: Experimental investigations to determine the strength and deformation properties of FRP reinforcement under compressive loading, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Band 36, 2021, Darmstadt. |
| 2021 |
Bujotzek, L.; Hiesch, D.; El Ghadioui, R.; Proske, T.: Material Properties of Fibre Reinforced Polymer (FRP) Reinforcement in Compression – A Review, In: Concrete Structures: New Trends for Eco-Efficiency and Performance, 14.-16.. Juni 2021, Fédération Internationale du Béton (fib) – International Federation for Structural Concrete, Lissabon, S. 897-906, ISBN: 978-2-940643-08-0. |
| 2020 | Bujotzek, L.: Auswertung einer Versuchsdatenbank zu Materialeigenschaften von FVK-Bewehrung unter Druckbeanspruchung, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Band 35, 2020, Darmstadt. |
| 2020 | Bujotzek, L.: Evaluation of a test database on material properties of FRP reinforcement under compressive loading, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Vol. 35, 2020, Darmstadt. |
| 2020 |
Bujotzek, L.; Müller, D.; Graubner, C.-A.: Monte Carlo simulation of masonry walls in compression considering spatially variable material properties, In: Proceedings of the 17th International Brick and Block Masonry Conference, Krakow (Poland), 5.-8. July 2020, Taylor & Francis, ISBN: 978-0-367-56586-2. DOI: 10.1201/9781003098508-22 |
| 2018 | Müller, D.; Bujotzek, L.: Monte Carlo Simulation of unreinforced masonry walls considerung spatially variable material properties, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Vol. 33, 2018, Darmstadt. |
| 2018 | Müller, D.; Bujotzek, L.: Monte-Carlo-Simulation unbewehrter Mauerwekswände unter Berücksichtigung räumlich streuender Materialeigenschaften, In: Darmstadt Concrete, Annual Journal on Concrete and Concrete Structures, Band 33, 2018, Darmstadt. |
Lectures
| year | author, title |
|---|---|
| 2024 | Bujotzek, L.; Waldmann, D.: Materialeigenschaften von FVK-Bewehrung unter Druckbeanspruchung, Carbonbetontage 2024, Dresden, 24.-25.09.2024 |
| 2024 | Bujotzek, L.; Waldmann, D.: Sensitivity assessment of the load-bearing capacity of FRP reinforced concrete columns, fib Symposium 2024, Budapest, 28.-30.08.2024 |
| 2024 | Bujotzek, L.; Waldmann-Diederich, D.: Weiterbildung für Tragwerksplaner: Rechenbeispiele zur Bemessung; Spannbetonbau – Grundlagen (Teil 1 & 2), Darmstadt (2024) |
| 2021 | Bujotzek, L.; Hiesch, D.; El Ghadioui R.; Proske, T.: Material properties of fibre reinforced polymer (FRP) reinforcement in compression – A review, fib Symposium 2021, Lisbon, 14.-16.06.2021 |
| 2020 | Bujotzek, L.; Müller, D.; Graubner, C.-A.: Monte Carlo simulation of masonry walls in compression considering spatially variable material properties, Krakow, 05.07.2020. |
