Contemporary trends in developing of timber structures – materials and joints. Advanced design methods of timber structures according to limit sates. Methods and techniques of laboratory and in situ testing of new materials, joints and elements. Prefabrication of composite wood based elements - cross-laminated timber. Complex timber structures from glulam and cross-lam timber - concept, structural systems, static schemes and structural advantages. Timber and composite glulam-concrete bridges – static schemes, disposition solutions, elements of bearing structures. Construction, protection, maintenance.