Structural Timber Design, (incl. eBook as PDF)

Prof. Dr.-Ing. Werner Seim is head of the Department of Structural Maintenance and Timber Construction at the University of Kassel's Institute of Structural Engineering and works as a planner and expert.

• PREFACELIST OF ABBREVIATIONS1 TIMBER AS A STRUCTURAL MATERIAL1.1 Building with timber - advantages and challenges1.2 Mechanical properties of solid timber1.2.1 Influence of the fibre direction1.2.2 Strength values of solid timber1.2.3 Deformation properties of solid timber1.2.4 Influence of load duration and humidity1.3 Wood based products1.3.1 Solid structural timber and glued solid timber1.3.2 Glued laminated timber1.3.3 Cross laminated timber1.4 Wood based materials1.4.1 Laminated veneer lumber1.4.2 Plywood1.4.3 OSB1.4.4 Particle boards1.4.5 Fibreboards2 STRUCTURAL DESIGN OF BEAM-TYPE MEMBERS2.1 Basics of structural design2.1.1 Action combinations2.1.2 Modification factors and deformations factors2.2 Bending2.3 Shear2.4 Torsion and rolling shear2.5 Buckling2.5.1 Lateral bending buckling - kc method2.5.2 Lateral torsional buckling - km method2.5.3 Torsional flexural buckling2.5.4 Calculation according to Second Order Theory2.6 Tension and bending2.7 Serviceability limit state2.7.1 Deformations2.7.2 Vibrations3 STRESSES PERPENDICULAR TO THE GRAIN3.1 Introduction3.2 Compression3.2.1 Compression perpendicular to the grain3.2.2 Compression stresses at an angle to the grain3.3 Tension perpendicular to grain3.3.1 General3.3.2 Notches3.3.3 Tension loaded connections perpendicular to grain3.3.4 Holes in glulam beams4 CONNECTIONS - DOWEL-TYPE4.1 General4.2 Connections with dowel-type fasteners4.2.1 Overview4.2.2 Deformation behaviour4.2.3 Basics of the calculation of shear loaded connections4.2.4 Shear loaded timber-timber connections4.2.5 Shear loaded timber-timber connections - simplified calculation4.2.6 Shear loaded steel-timber connections4.2.7 Shear loaded steel-timber connections - simplified calculation4.3 Dowels and Bolts4.4 Nails and staples4.4.1 Definitions4.4.2 Construction rules for connections with nails4.4.3 Construction rules for staples4.4.4 Load bearing capacity4.5 Connections with screws4.5.1 General4.5.2 Conceptual design of screwed connections4.5.3 Load bearing capacity4.5.4 Application examples and execution4.6 Block shear4.7 Reinforcement of doweled connections4.8 Connections with Cross-laminated timber (CLT)5 CONNECTIONS II - OTHER5.1 Shear connectors5.1.1 Mechanism5.1.2 Connector types and construction rules5.1.3 Load bearing capacity5.2 Carpentry joints5.2.1 Introduction5.2.2 Halving joints5.2.3 Step joints5.2.4 Mortise and tenon5.2.5 Wooden nails5.2.6 Deformations - slip moduli5.3 Hinged and moment resistant connections5.3.1 Structural detailing and calculation modelling5.3.2 Principle of intersection5.3.3 Rules for detailing5.4 Adhesive bonded connections5.4.1 Introduction5.4.2 Adhesive bonding of structural elements5.4.3 Connections, local reinforcement and repair5.5 Reinforcement against tension forces perpendicular to the grain5.5.1 Notches5.5.2 Connections perpendicular to grain5.5.3 Openings6 STRUCTURAL ELEMENTS - BEAM TYPE MEMBERS6.1 Glulam beams6.1.1 Bending stresses6.1.2 Tension stresses perpendicular to the grain6.2 Trusses6.3 Composite elements6.3.1 Beams, slab and roof elements6.3.2 Timber-concrete composites (TCC)6.3.3 Columns6.4 Bracing - Design and detailing6.4.1 Introduction6.4.2 Roof structures6.4.3 Beams and columns6.5 Modelling of beam type elements7 STRUCTURAL ELEMENTS - PLANE7.1 Light frame elements7.1.1 Introduction7.1.2 Wall elements7.1.3 Slab elements - diaphragms7.1.4 Connections and anchoring7.2 Cross laminated timber (CLT)7.2.1 Production, load bearing characteristics, and strength7.2.2 Plates7.2.3 Wall panels7.2.4 Detailing and load transfer7.3 Modelling of plane elements7.3.1 CLT plates7.3.2 Shear walls7.4 Interaction of diaphragms and bracing walls8 DYNAMIC BEHAVIOUR OF TIMBER STRUCTURES8.1 Dynamics and vibration8.1.1 Structures under dynamic impact8.1.2 Natural frequencies of simple systems8.2 Vibration of slabs8.3 Structures under earthquake impact8.3.1 Earthquake impact and energy dissipation8.3.2 Conceptual design and calculation of building structures8.3.3 Response spectra procedure - Equivalent load8.3.4 Verification of wall and slab elements9 DURABILITY AND FIRE PROTECTION9.1 Durability9.1.1 Principles and definitions9.1.2 Durability of wood species9.1.3 Constructive measures against biological attack9.1.4 Encapsulated construction9.1.5 Wood treatment9.2 Resistance to corrosion9.3 Fire protection9.3.1 Introduction9.3.2 Terminology and legal regulations9.3.3 Building classes9.3.4 Classification and requirements for structural elements and materials9.4 Calculation of fire resistance time9.4.1 Effective cross section method9.4.2 Connections10 CONCEPTUAL DESIGN10.1 Multi-storey timber buildings10.1.1 Introduction10.1.2 Design criteria10.2 Roof structure10.2.1 Introduction10.2.2 Criteria for conceptual design10.2.3 Primary and secondary load bearing elements10.2.4 Beams and columns10.2.5 Arches, cables and domes10.3 Bridges10.3.1 Introduction10.3.2 Design criteria10.3.3 Actions10.3.4 Load transfer10.3.5 Maintenance11 SUPPLEMENTARY THEORETICAL BACKGROUND11.1 Strength and Size Effect11.2 Fracture mechanics - brittle failure11.2.1 B- and D-areas11.2.2 Linear-elastic fracture mechanics - energy based fracture criterion11.2.3 Application of fracture mechanics11.3 Theory of Plasticity11.3.1 Introduction11.3.2 Application of the upper bound theorem11.3.3 Application of the lower bound theorem11.3.4 Capacity design11.4 Calculation methods for composite beams - efficient stiffness method11.5 Volkersen's theory for adhesive bonded connections11.6 Calculation according to Second Order TheoryREFERENCESSTANDARDS AND TECHNICAL REGULATIONSPRODUCT INFORMATION (EXEMPLARILY)