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004577
Dipl.-Ing. (BA) Markus Baumgärtel
2020-07-31

Modulus of Subgrade Reaction for Translational, Shear, and Torsional Springs

In RSTAB, I would like to enter a rigid modulus of subgrade reaction for the translational, shear, and torsional springs. Which values do I have to define?

Answer:

A completely rigid support is not possible. The maximum values of the translational, shear, and rotational springs are limited as follows:

Translational Spring

  • C1,x 1.0 x 108 kN/m²
  • C1,y 1.0 x 109 kN/m²
  • C1,z 1.0 x 109 kN/m²

Shear Spring

  • C2,x 1.0 x 108 kN
  • C2,y 1.0 x 108 kN
  • C2,z 1.0 x 108 kN

Rotational Spring

  • Cφ 1.0 x 108 kNm/rad/m
Maximum Values of Member Elastic Foundation
Maximum Values of Member Elastic Foundation
Author

Mr. Baumgärtel provides technical support for Dlubal Software customers.

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