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Chair of Solid Construction

The Chair of Concrete Structures offers courses in the civil engineering degree programs leading to the Bachelor of Science (B.Sc.) and Master of Science (M.Sc.) degrees.

The modules in the Bachelor's degree course cover the fundamentals of design and construction in reinforced concrete construction as well as an introduction to prestressed concrete construction. The Master's degree course focuses on prestressed concrete construction and special areas of solid construction. In addition, courses are offered in the fields of bridge construction, structural design in existing structures and FE applications in solid construction. Construction site excursions are regularly organized to extend and deepen the courses.

Further opportunities for in-depth study exist within the framework of student research projects and final theses. These are often related to current research topics being worked on at the Chair of Concrete and Masonry Structures. Furthermore, practical tasks with a scientific approach are offered.

massivbau_baustelle

SWR Aktuell in conversation: How at risk of collapse are bridges in Germany?

After the partial collapse of the Carola Bridge in Dresden, the question arises: What is the state of bridges in the country? Many were built after the Second World War and may not be designed for today's traffic. Bridge researcher Torsten Leutbecher's assumptions also point in this direction. However, the professor of solid construction at the University of Siegen gives the all-clear in an interview with SWR Aktuell: "You can't deduce from this that collapses are regularly associated with them. After all, we also have a parallel system for monitoring buildings". Changes such as cracks are detected at an early stage during regular checks so that a collapse like the one in Dresden can be avoided. SWR Aktuell presenter Gerald Pinkenburg spoke to bridge researcher Leutbecher about what such inspections look like and how safe they are - also with regard to cost-cutting measures from politicians. Listen in the ARD Audiothek

Pfeil in Beton

DenkfabrikWohnungsbau Vol. 3: Is bureaucracy slowing down innovation in the construction industry?

With the LinkedIn video series #DenkfabrikWohnungsbau the academic promotion of young talent in masonry construction scientific perspectives directly into practice. In compact interviews, professors of architecture and civil engineering talk about key challenges and areas of innovation in residential construction.

In the third episode of this series, Professor Torsten Leutbecher provides insights into the interactions between regulatory framework conditions and technological progress in the construction industry. Watch the video here

 
In the summer semester 2026, the lectures of the Chair of Concrete and Masonry Structures will start on 14.04.2026.
70th BetonTage 2026 - Seventy years of impetus for the precast concrete industry
13th Siegen Building Day on November 7, 2025: Facades - Replay / Remix / Reinvent
fib Symposium 2025 - Concrete structures: extend lifespan, limit impacts
Lecture announcement
Bridge construction excursion in summer semester 2025

Research profile

  • Design and construction with ultra-high performance concrete (UHPC),
  • Shear load-bearing behavior of reinforced concrete components,
  • Mechanics of fiber-reinforced concrete and fiber-reinforced reinforced concrete,
  • Strengthening reinforced concrete and prestressed concrete structures in building and bridge construction,
  • Innovative façade constructions,
  • Serviceability of reinforced concrete structures.

 

The Chair of Concrete and Masonry Structures is also involved in the Institute for Advanced Materials and Structures (FiBB)at the University of Siegen .
at the University of Siegen, where it works on an interdisciplinary basis within the School of Science and Technology as well as with other research groups and the regional construction industry in the field of researching, evaluating and developing sustainable building materials and construction methods.

Publications

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Journal article
2026

Methodik zur Untersuchung der Fasertragwirkung in querkraftbeanspruchten UHFB‐Biegeträgern

Journal article
2025

Innovativer Betonbau – Tradition und Zukunft/Innovative Concrete Structures – Tradition and Future

Journal article
2025

Ultrahochfester Beton für die Instandsetzung und Verstärkung von Brücken – Teil 1

Journal article
2025

Ultrahochfester Beton für die Instandsetzung und Verstärkung von Brücken – Teil 2

Journal article
2025

3D-characterization of fibers in UHPFRC by computed tomography and photography

Journal article
2024

Computertomografie versus Optoanalytik: Bestimmung der Faserverteilung und ‐orientierung in stahlfaserbewehrtem UHFB

Journal article
2024

Einfluss der Querschnittshöhe auf die Biegezugfestigkeit von ultrahochfestem Beton

Conference paper
2024

Statistical Evaluation of UHPFRC Shear Verification Methods

Journal article
2023

Verification of the shear resistance of UHPFRC beams – Design method for the German DAfStb Guideline and database evaluation

Journal article
2023

Verification of the shear resistance of UHPFRC beams – Design method for the German DAfStb Guideline and database evaluation

Journal article
2023

Die UHFB‐Biegedatenbank

Journal article
2023

Ambitionierte Ingenieurinnen und Ingenieure dringend gesucht!

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Shear cracking tendency and shear load-bearing behavior of prestressed bending beams made of steel fiber-reinforced ultra-high performance concrete

In contrast to reinforced concrete components with shear reinforcement, there is still no generally recognized model for components without shear reinforcement that can be used to consistently capture the load-bearing mechanisms under shear loading. A comparison of different approaches and model concepts shows that the load-bearing components of the uncracked concrete compression zone, from crack interlocking or crack friction and from the dowel effect of the longitudinal reinforcement are interpreted and weighted differently.

massivbau_baustelle
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Rotational capacity of plastic bending crack joints in combined reinforced UHPFRC bending beams

The rotational capacity of plastic zones characterizes the ductility of reinforced/prestressed concrete bending beams and enables the redistribution of stresses in statically indeterminate structures. It is not easy to transfer existing models for predicting the rotational capacity of reinforced/prestressed concrete bending beams to UHPFRC bending beams, as UHPFRC bending beams are generally additionally reinforced with steel fibers.

Services

With its expertise and technical equipment, the Chair of Concrete and Masonry Structures is available to the construction industry, public building authorities and civil engineering firms. The range of activities covers the entire field of structural and civil engineering. A particular focus is the integration of innovative high-performance materials.

The extensive range of services includes

  • Development, calculation and optimization of concrete, reinforced concrete and prestressed concrete structures,
  • Application for funding and lead management of industry-related research and development projects,
  • Advice and expert support for the use of innovative construction methods and non-regulated construction products or materials, e.g. via approval in individual cases (ZiE),
  • Planning, implementation and evaluation of component tests, e.g. to obtain a general building authority approval (abZ), approval in individual cases (ZiE) or in the event of damage,
  • Test-based design and use of other research-related calculation methods (e.g. non-linear finite element analysis), e.g. for structural design in existing buildings,
  • Advice on all aspects of design and construction (further training and technology transfer).

In addition to qualified staff and modern hardware and software, the Chair of Concrete and Masonry Structures has access to the facilities of the building materials laboratoryof the Institute of Structural Engineering for experimental work.
of the Institute of Structural Engineering for experimental work.

Contact us without obligation!

Univ.-Prof. Dr.-Ing. Torsten Leutbecher

Univ.-Prof. Dr.-Ing. Torsten Leutbecher

Professor
Kevin Metje M.Sc.

Kevin Metje M.Sc.

Research assistant
Sina Yüksel M.Sc.

Sina Yüksel M.Sc.

Research assistant
Alexander Dicke B.Sc.

Alexander Dicke B.Sc.

Technical and administrative staff
Konrad Denter

Konrad Denter

Technical and administrative staff
Dr.-Ing. Peter Wagner

Dr.-Ing. Peter Wagner

Lecturer
Dirk Fröhlich M.Sc.

Dirk Fröhlich M.Sc.

Lecturer
Lageplan PB