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1098x
000249
2006-06-14

Combined Pile-Raft Foundation – Development of Test Tool

Engineering offices for structural analysis and design are usually not equipped with geotechnical engineering software, especially if the tasks require expert knowledge and special applications in the field of geotechnical analysis, they need to address it to a geotechnical engineering office. However, it is of great interest for the structural engineers to be able to understand, follow, interpret, and check the results of such an analysis...

Author
Thomas Kaminski
University
Frankfurt University of Applied Sciences, Germany

Unfortunately, the common tools for calculating structures, such as:

  • IT programs, such as 2D and 3D FEA software (for example, plate modules),
  • Technical literature by the German Institute for Standardization (DIN),
  • Other technical literature,

that are available to the engineers for structural analysis, are not sufficient.

This thesis tries to use the above mentioned tools to present the complicated facts of a pile group arrangement with sufficient accuracy, and thus to understand the settlement calculations, and to continue with developing a tool that will be able to perform self-control verification calculations.

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FAQ|004885
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[EN] FAQ 004885 | I have analyzed two models of an inclined bored pile as a support with defined ...
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[EN] FAQ 004914 | How can I create a drilled beam in RFEM?
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Models to Download
Model 004783 | Twin Pile Cap
387x
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Twin Pile Cap
Model 004784 | Triple Pile Cap
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24x
Triple Pile Cap
Model 004378 | Footing with Piles
359x
29x
Footing with Piles
Model 004339 | Anchor Plate for Circular Column
350x
9x
Anchor Plate for Circular Column
Pile Head with 5 Piles
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Pile Head with 5 Piles
2 Pile Heads, 4 Piles, 1 Beam
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2 Pile Heads, 4 Pile, 1 Beam
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This article describes and explains the influence of bending stiffness of cables on their internal forces. Furthermore, the text provides information on how this influence can be reduced.
KB 001877 | ASCE 7-22 and NBC 2020 Seismic P-Delta Considerations in RFEM 6
The ASCE 7-22 Standard [1], Sect. 12.9.1.6 specifies when P-delta effects should be considered when running a modal response spectrum analysis for seismic design. In the NBC 2020 [2], Sent. 4.1.8.3.8.c gives only a short requirement that sway effects due to the interaction of gravity loads with the deformed structure should be considered. Therefore, there may be situations where second-order effects, also known as P-delta, must be considered when carrying out a seismic analysis.
Modal Analysis | Steel Structure
This article presents the basic concepts in structural dynamics and their role in the seismic design of structures. Great emphasis is given to explaining the technical aspects in an understandable way, so that readers without deep technical knowledge can gain an insight into the subject.
Screenshots
Combined Pile-Raft Foundation – Development of Test Tool
Combined Pile-Raft Foundation – Development of Test Tool
Deformation Without Lateral Deflection of Surface
Deformation Without Lateral Deflection of Surface
Model B: Asymmetric Frame
Model B: Asymmetric Frame
Model A: Hinged Column
Model A: Hinged Column
Member Type "Spring"
Member Type "Spring"
Model 004784 | Triple Pile Cap
Model 004784 | Triple Pile Cap
Model 004378 | Footing with Piles
Model 004378 | Footing with Piles
Model 004378 | Footing with Piles
Model 004378 | Footing with Piles
Model 004339 | Anchor Plate for Circular Column
Model 004339 | Anchor Plate for Circular Column
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Use the "Independent mesh preferred" option in the FE mesh settings to create an independent FE mesh for the integrated objects. This allows you to generate a significantly more detailed and precise FE mesh for individual objects that are integrated into one another.

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No problem. In RFEM 6, you can perform punching shear design not only for rectangular and circular sections, but for any cross-section shape.

Frequently Asked Questions (FAQ)
I have analyzed two models of an inclined bored pile as a support with defined spring stiffness. A surface that can be moved horizontally (globally) is used for the force transmission. The bored pile in Model A is a support inclined by 15° with a spring stiffness of 2,000 kN/m in the axial direction. The bored pile of Model B is a support with the defined spring stiffnesses, divided into the respective horizontal and vertical components. The value of the spring stiffness is always the same (2,000 kN/m). In my opinion, both models are equivalent. Why are there different results in the deformation anyway?
How can I create a drilled beam in RFEM?
I get a message saying that invalid manipulation of the time has been detected. What can I do?
What does each option do under the "Calculation of Torsion" section under the Strength Configuration settings?
I still get an error message, although the WebService settings are activated in RFEM 6.
Can I display node coordinates in my model?
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