Advanced Materials Research Vol. 1020 (2014) pp 865-869 © (2014) Trans Tech Publications, Switzerland doi:10.4028/www.scientific.net/AMR.1020.865 All rights reserved. No part of contents of this paper may be reproduced or transmitted in any form or by any means without the written permission of TTP, www.ttp.net. (ID: 158.196.95.28, VŠB-Technical University of Ostrava, Ostrava, Czech Republic-23/09/14,14:11:43) 866 Contemporary Problems in Architecture and Construction Advanced Materials Research Vol. 1020 867 868 Contemporary Problems in Architecture and Construction Advanced Materials Research Vol. 1020 869