Extended investigations of the installation conditions of steel liners of pressure shafts with a large diameter

Session

Civil Engineering, Infrastructure and Environment

Description

This master thesis deals with an extended investigation of the

Hinterbetoniervorganges of thin-walled steel liner constructions, which have a very large diameter. This advanced investigation and calculations are used to lay the foundations for ultimately optimizing the structural conditions of these steel liner constructions when the concrete bedding is taken into account. As a continuation to the employees Examinations in the master thesis of Dipl.-Ing. Christoph Ott became another Variant analyzed. In contrast to variant 5, which illuminates in detail in the MA-Ott. In the present study, two very similar variants, which have a longitudinal support distance of 3 m, are examined in more detail. It will be all relevant, Results in the pipe, cutting forces, observed deformations and stresses in the pipe

Beulring and if relevant issued in the pipe shell and compared with previous results. In addition, in this master's thesis, the post-casting was applied remaining deformations of the steel tube in terms of tolerance in the form of ovality and out-of-roundness. The SCIA-Engineer program was chosen to carry out the examinations or calculations. With the Stabstatik program RuckZuck a replacement model was created, which provides information about the dismantling of stress peaks at the support points. Further to the radial deformations in The pipe shell was also the longitudinal deformations (warping) evaluated. With the Microsoft Excel program processed the results into charts.

Keywords:

Pressure shaft, steel liner, hydropower, backfill concrete, assembly

Session Chair

Hazir Çadraku

Session Co-Chair

Visar Krelani

Proceedings Editor

Edmond Hajrizi

ISBN

978-9951-550-19-2

Location

Pristina, Kosovo

Start Date

26-10-2019 3:30 PM

End Date

26-10-2019 5:00 PM

DOI

10.33107/ubt-ic.2019.217

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Oct 26th, 3:30 PM Oct 26th, 5:00 PM

Extended investigations of the installation conditions of steel liners of pressure shafts with a large diameter

Pristina, Kosovo

This master thesis deals with an extended investigation of the

Hinterbetoniervorganges of thin-walled steel liner constructions, which have a very large diameter. This advanced investigation and calculations are used to lay the foundations for ultimately optimizing the structural conditions of these steel liner constructions when the concrete bedding is taken into account. As a continuation to the employees Examinations in the master thesis of Dipl.-Ing. Christoph Ott became another Variant analyzed. In contrast to variant 5, which illuminates in detail in the MA-Ott. In the present study, two very similar variants, which have a longitudinal support distance of 3 m, are examined in more detail. It will be all relevant, Results in the pipe, cutting forces, observed deformations and stresses in the pipe

Beulring and if relevant issued in the pipe shell and compared with previous results. In addition, in this master's thesis, the post-casting was applied remaining deformations of the steel tube in terms of tolerance in the form of ovality and out-of-roundness. The SCIA-Engineer program was chosen to carry out the examinations or calculations. With the Stabstatik program RuckZuck a replacement model was created, which provides information about the dismantling of stress peaks at the support points. Further to the radial deformations in The pipe shell was also the longitudinal deformations (warping) evaluated. With the Microsoft Excel program processed the results into charts.