1. TIMBER ELEMENT RELIABILITY ASSESSMENT Antonín Lokaj Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Department of Structural Engineering, Faculty of Civil Engineering VŠB – Technical University of Ostrava Ludvíka Podéště 1875, 708 00 Ostrava - Poruba

2. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Outline of the Paper Introduction Load and material models in SBRA SBRA Concepts in Timber Structures Summary

3. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Reliability assessment of timber elements according SBRA Load Duration Curves and Corresponding Histograms

4. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Reliability assessment of timber elements according SBRA Histograms of MOR and MOE of Canadian softwood (Curry and Tory (1976))

5. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Duration of load effect combination - Madison curve (L.W. Wood (1951)) SL = 93,13*T -0,0361

6. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Reliability assessment of timber elements according SBRA Safety Limit State Load Effect Combination Analysis Madison Curves Accumulation of partial Damage M-C Simulation Technique  n i /N i  1,0 Palmgrin-Miner Rule:

7. Euro-SiBRAM´2002 Prague, June 24 to 26, 2002, Czech Republic Summary Utilisation of development of computer technology. Reengineering of the design procedure. Application of powerful simulation techniques in designer‘s work. Direct definition probability of failure. New generation of specifications, application of databases and information technology. Education of designers: From deterministic to probabilistic „way of thinking“.