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2024-08-15

Building Bracing Design of Complex, Irregular Building Structures Using FEA Software

This thesis deals with the approach and bracing design of complex building structures. The first section explains the basics of structural design. A more detailed examination of the historical evolution of structural planning is provided, along with an analysis of the developments that have occurred over time. In the past, systems were idealized in one-, two-, and three-dimensional building parts, whereas the finite element analysis has become the dominant approach in this field.

Author
Jannik Zobel
University

Technical University of Würzburg-Schweinfurt, Germany

The second section then explains the fundamental principles of the finite element calculation and highlights the necessity for consideration of specific elements. Furthermore, the reader is instructed on how to correctly interpret and evaluate these complex results. As this work concerns the stiffening of reinforced concrete components, the material behavior is discussed and adjusted in accordance with both linear and nonlinear behavior.

Subsequently, the project at Friedrichstrasse 14 will be discussed in greater detail. The structure was designed with a skeleton framework and reinforced concrete walls. All horizontal loads are allocated to these and evaluated to ascertain their capacity to withstand the requisite resistance. The behavior of the concrete in terms of tensile stresses is subjected to explicit examination, as is the question of whether design according to the linear static analysis is sufficient.

The results yield a guide that is intended to facilitate the utilization of the Dlubal RFEM 6 software for the design of bracing in six buildings of the same type, thereby ensuring its efficacy.


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