Volume 60 (2014) Volume 60 – Issue 3 23 April 2020 admin Determining the geometrical parameters of exploited railtrack using approximating spline functions Numerical modeling of diagonal cracks in concrete beams Finite element analysis of airfield flexible pavement The profitability analysis of enhancement of parametersof the thermal insulation of building partitions Flower roundabouts and double-lane roundabouts:a comparative performance analysis Extended penalty coefficients for elimination the lockingeffects in moderately thick beam and plate finite elements