Teaching solid construction

Bachelor's degree course in Civil Engineering and Bachelor's degree course in Dual Civil Engineering
4th semester (Dual: 6th semester) Semester (Dual: 6th semester)
Compulsory module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Sina Yüksel, M.Sc.

Learning outcomes / competences

• Ability to transfer a real structure/component into a structural model,
• Safety when determining internal forces, taking into account the requirements from the verification and safety concept,
• Understanding of the load-bearing behavior of reinforced concrete components, also as a basis for all further courses in solid construction,
• Understanding the mechanical background of the individual design models for reinforced concrete components in the ultimate limit states,
• Ability to independently design, calculate and reinforce simple reinforced concrete structures.

Course content

• History of solid construction,
• Safety and verification concept,
• Modeling and load flow,
• Building materials, bonding, ensuring durability, basic reinforcement rules,
• Limit states of load-bearing capacity: bending and longitudinal force, shear force, torsion,
• Determination of internal forces, tensile force coverage, anchoring of longitudinal reinforcement, reinforcement joints.

Coursework

None

Examination

Written exam, 150 minutes

Content requirements

The course content of the following modules is also assumed to be known:

• 4BAUBA103 Building materials and construction chemistry,
• 4BAUBA104 Building construction,
• 4BAUBA106 Building Mechanics I,
• 4BAUBA201 Building Mechanics II/III - Elastostatics/Dynamics.

Supplementary notes

A tutorial is offered to accompany the lectures and exercises.

Bachelor's degree course in Civil Engineering and Bachelor's degree course in Dual Civil Engineering
5. Semester (Dual: 7th semester)
Compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Sina Yüksel, M.Sc.

Learning outcomes / competences

• Understanding of the load-bearing behavior of reinforced concrete slabs and ability to design and reinforce linearly and point-supported slabs,
• Ability to assess the overall stability of a load-bearing structure and to calculate components under normal force according to II. order,
• Understanding the mechanical background of the individual design models for reinforced concrete components in the serviceability limit states and the ability to apply them.

Course content

• Reinforced concrete slabs,
• punching shear,
• foundations,
• Bracing of buildings, verification of compression members according to theory II. order,
• Serviceability limit states: limitation of stresses, crack width and bending deformation.

Coursework

Written homework

Examinations

Written exam, 150 minutes

Content requirements

The course content of the following modules is also assumed to be known:

• 4BAUBA201 Structural Mechanics II/III - Elastostatics/Dynamics,
• 4BAUBA203 Structural Analysis I/II,
• 4BAUBA207 Geotechnics,
• 4BAUBA209 Solid construction I.

Bachelor's degree course in Civil Engineering and Bachelor's degree course in Dual Civil Engineering
6. Semester (Dual: 8th semester)
Compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Kevin Metje, M.Sc.

Learning outcomes / skills

• Understanding of the mode of action of prestressing, also as a basis for further courses in solid construction in the Master's program,
• Mastering the extensions of the mechanical relationships known from reinforced concrete caused by prestressing,
• Ability to calculate stresses and deformations at service load level for statically determined prestressed structures and to perform basic verifications in the ultimate limit states,
• Familiarization with the method of truss models as a special tool for design and construction in solid construction,
• Ability to design and reinforce detailed areas of reinforced concrete components with the help of self-constructed framework models,
• familiarization with the special features of the planning and execution of load-bearing structures made of precast concrete elements.

Course content

A. Prestressed concrete construction - basics:

• Building materials, bond, durability, cross-sectional values,
• Centrally prestressed bar, prestressing of the bending beam, prestressing force losses, permissible prestressing force,
• Ultimate limit states: bending and longitudinal force, shear force.

B. Truss models:

• Fundamentals of truss models, design of struts and nodes,
• Application examples: Wall panel, frame corner, bracket, etc.

C. Precast concrete construction:

• Applications, transportation and assembly, skeleton construction, hall construction,
• sleeve foundation, block foundation, composite joints, partial precast slab.

Coursework

Written homework exercises

Examination performance

Written exam, 150 minutes

Content requirements

The course content of the following modules is also assumed to be known:

• 4BAUBA201 Structural Mechanics II/III - Elastostatics/Dynamics,
• 4BAUBA203 Structural Analysis I/II,
• 4BAUBA207 Geotechnics,
• 4BAUBA209 Solid construction I,
• 4BAUBA301 Solid construction II.

Master's degree program in Civil Engineering
1. Semester
Compulsory module/compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Kevin Metje, M.Sc.

Learning outcomes / competences

• Ability to calculate internal forces for statically determinate and indeterminate prestressed structures and to perform verifications in the limit states of load-bearing capacity and serviceability,
• Understanding of the effects of the time-dependent behavior of concrete on the distribution of internal forces in statically indeterminate systems,
• Ability to independently design, calculate and reinforce simple prestressed concrete structures,
• Mastering the special procedures for determining internal forces and calculating deformations in solid construction,
• Familiarization with the basics of structural fire protection,
• Understand the effects of repeated stresses on the fatigue strength of materials in solid construction and become familiar with the corresponding verification procedures.

Course content

A. Prestressed concrete structures:

• Verifications in the serviceability limit states,
• Prestressed, statically indeterminate systems, structural design,
• Effects of time-dependent behavior under restraint and system changes,
• Prestressing without bond.

B. Special chapter on solid construction:

• Calculation methods for determining internal forces,
• Calculation of deformations in reinforced concrete construction,
• Structural fire protection,
• fatigue.

Coursework

Written homework exercises

Examination performance

Written exam, 150 minutes

Content requirements

The compulsory module/compulsory elective module in solid construction requires knowledge of the effects of prestressing (module Solid Construction III, Prestressed Concrete Construction Basics) as well as good knowledge of technical mechanics and structural analysis.

Master's degree program in Civil Engineering
2. Semester
Compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Lennart Heck, M.Sc.

Learning outcomes / competences

• Understanding of the boundary conditions and processes in the course of the design and implementation planning of a bridge structure,
• Basic knowledge of the application of the finite element method in structural design in solid construction,
• Ability to interpret the results of computer-aided calculations,
• Confident use of basic functions of the FE program SOFiSTiK relevant to bridge construction,
• Ability to convert a real bridge structure into a static model,
• Ability to independently design, calculate and reinforce simple bridge structures in solid construction,
• Facilitated professional entry into the specialist discipline of bridge construction.

Course content

• History of bridge construction,
• Design principles, types of structures,
• Actions on bridges,
• Construction methods,
• Superstructure cross-sections of solid bridges, structural elements of the superstructure,
• bearings and expansion joints,
• Substructures,
• Fundamentals of the calculation of solid bridges, fatigue analysis.

Coursework

Written elaboration with presentation

Examination performance

Oral examination

Content requirements

The bridge construction elective module requires knowledge of prestressed concrete construction ( solid construction module) and structural analysis as well as basic knowledge of the finite element method.

Master's degree course in Civil Engineering
1st or 3rd semester
Compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Torsten Leutbecher
Lennart Heck, M.Sc.

Learning outcomes / competences

• Goal-oriented approach to the evaluation of load-bearing structures in existing buildings,
• Ability to correctly classify the quality of historical building materials,
• Knowledge of the special features of historical design standards relevant to load-bearing capacity,
• Safe application of special calculation methods and design approaches for the recalculation of load-bearing structures in existing buildings,
• Knowledge of experimental verification methods as an alternative to mathematical methods,
• Understanding the mode of action of conventional and innovative reinforcement methods for load-bearing structures in solid construction,
• Ability to select a suitable reinforcement method for the individual case.

Course content

• Introduction: Special features of structural design in existing buildings,
• Historical standards, assignment of building material parameters,
• Test-based design,
• structural monitoring, monitoring,
• Recalculation of existing road bridges,
• Design according to DIN 1045 and DIN 4227-1, 1988 edition,
• Reinforcement with shotcrete,
• Reinforcement with CFRP lamellas and steel plates,
• Textile concrete,
• Ultra high-strength concrete,
• Subsequent fixings in concrete.

Examination performance

Written paper with presentation (25 %) and oral examination (75 %)

Content requirements

The compulsory elective module Structural Design of Existing Structures requires a good knowledge of structural analysis and solid construction.

Master's degree course in Civil Engineering
1st or 3rd semester
Compulsory elective module
4 SWS
6 credit points

Lecturer

Prof. Dr.-Ing. Daniel Pak
Prof. Dr.-Ing. Torsten Leutbecher
Lennart Heck, M.Sc.

Learning outcomes / competences

Part 1: Composite bridge construction

• The student is able to derive a static model from a real bridge structure in steel-concrete composite construction.
• The student can safely design a composite girder for a bridge structure.
• The student can safely use basic functions of the FE program SOFiSTiK.
• The student has knowledge of the application of the finite element method in structural design in composite construction (elastic design).
• The student has knowledge of the ultimate load method.

Part 2: Numerical methods of solid construction

• In-depth knowledge of the application of the finite element method in structural design in solid construction,
• Ability to transfer a real concrete structure into a static model while avoiding possible sources of error,
• Knowledge of the necessary extensions and special features of physically non-linear FE calculations,
• Ability to interpret the results of computer-aided calculations and to critically check their plausibility,
• Confident application of the FE program RFEM used in structural engineering,
• Knowledge in the application of the FE program ATENA used in solid construction research as a basis for the processing of research-related student research projects and master's theses.

Course content

Part 1: Composite bridge construction

• Fundamentals of the elastic design of steel-concrete composite bridges,
• Influence of the load history (composite girders without/with self-weight composite, construction conditions) on the elastic structural design,
• Consideration of primary and secondary effects of creep and shrinkage.

Part 2: Numerical methods of solid construction

• Idealization of reinforced concrete structures using finite elements,
• Material models, fracture mechanics of reinforced concrete,
• Modeling of the bond and crack formation,
• Numerical problems with non-linear structural behavior.

Coursework

Part 1: Composite bridge construction

Written elaboration (project work)

Part 2: Numerical methods of solid construction

Written homework exercises

Examination performance

Oral examination

Content requirements

The compulsory elective module FE applications in composite bridge construction and solid construction requires good knowledge of composite construction (module steel composite construction), solid construction (module solid construction), technical mechanics and structural analysis as well as basic knowledge of the finite element method.