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The methodology of the beam stiffness calculation

Podesva J., Janas P.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2006

z. 31

131-134

The calculation of the horizontal mine opening steel support can be performed by the special program, developed on the Department of Civil Mechanics (Faculty of Civil Engineering, VŠB - Technical University of Ostrava). It can take into account the geometrical non-linearity (large displacement), but other effects, like plasticity and stiffhess decrease due to change of the support section are not able to include into calculation. The paper describes the possibility to express these effects like the change of the beam stiffhess E • J.