DBPapers
DOI: 10.5593/SGEM2016/B32/S13.022

INFLUENCE OF 3D NUMERICAL MODEL PARAMETERS IN ANALYSES OF THE INTERACTION OF STEEL-FIBER REINFORCED CONCRETE SLAB WITH SUBSOIL

J. Labudkova, R. Cajka
Wednesday 7 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-62-9 / ISSN 1314-2704, June 28 - July 6, 2016, Book3 Vol. 2, 165-172 pp

ABSTRACT
Interaction of foundation structures and subsoil and development of interaction models is the current problem. Static solution of this task is affected by several factors. Complexity of a static solution is given mainly by selection of a computational model, effects of physical-nonlinear behaviour of such structure and co-effects of the upper structure and the foundation structure. Numerical analyses described in the paper were done. Input data for numerical analysis were observed experimental loading test of steel-fibre reinforced concrete slab. The loading was performed using unique experimental equipment constructed in the area Faculty of Civil Engineering, VŠB-TU Ostrava. Homogeneous half-space this takes no account and calculated settlement is strongly dependent on the size of the subsoil model, as parametric study demonstrated. Values calculated by 3D numerical model were compared with values measured during the loading test of steel-fibre concrete slab. The article provides an evaluation of the dependence of geometric parameters of the 3D numerical model and the resulting vertical deformation.

Keywords: Foundation structure, soil – structure interaction, contact stress, 3D FEM element.

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