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Probabilistic Approach, SBRA, Reliability, Structural Analysis, Durability, Load Duration Curves.


Two decades ago, a computer revolution made available personal computers to all designers of load carrying structures. Through proposing and gradual improving of the probabilistic method SBRA (Simulation Based Reliability Assessment), significant adjustment of the assessment of structural safety, serviceability and durability is assured. The probabilistic approach and simulation technique have introduced new definitions of loads, achieving a higher precision for their combinations and allowing to consider multicomponent problems. The very essence of the SBRA method consists in repeated calculations of relatively simple equations, where input variables can be either constant or defined by histograms (yield limit, loads, imperfections, etc.). Together with powerful numerical tools such as the Monte Carlo simulation, the SBRA method allows for determining not only the probability of failure of a determined element, but also deformation criteria to meet serviceability
requirements, and accumulation of damage such as fatigue or corrosion.


Acta Mechanica Slovaca. Volume 15, Issue 2, Pages 22 – 27, ISSN 1335-2393


  From Partial Factors Design to the SBRA Probabilistic Method


[1] Complete list of SBRA publications: http://www.sbra-anthill.com

[2] DEL CORSO, R., GULVANESSIAN, H., HOLICKÝ, M., MARKOVÁ, J.,STEENBERGEN, H., VROUWENVELDER, T., Design of structures according to new European codes - Eurocodes, Czech Technical Univ., Prague, Czech Rep., 2000.
[3] KONEČNÝ, P..: Load combinations and assessment of tensioned bar according to EC3 and SBRA; II. ročník celostátní konference: Spolehlivost konstrukcí. Ostrava, Czech Rep., ISBN 80-02-01410-3. (Czech), 2001
[4] MAREK P., PUSTKA, D., KONEČNÝ P.: Durability Assessment of Steel Structures using SBRA Method; 8th Int. Conference on Inspection, Appraisal, Repairs and Maintenance of Structures., Singapore, 2003
[5] MAREK, P., PUSTKA, D. (2004): To Probabilistic Reliability Assessment Methods Applicable in Codes. In Metropolitan Habitats and Infrastructure. IABSE Symposium, Shanghai, China, 20.9.2004 24.9.2004. pp. Zürich: ETH Hönggerberg, 2004. ISBN 3-85748-110-2.
[6] MAREK, P., GUSTAR M., ANAGNOS T. – Simulation-Based Reliability Assessment for Structural Engineers. CRC Press, Inc., Boca Raton Florida, 1995.
[7] MAREK, P., KŘIVÝ, V., I-Hong Chen (2008): Safety Assessment of a Steel Frame Using the LRFD and SBRA Methods. In: Proceedings of the 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, Illinois, USA, 7-10 April 2008. AIAA Meeting Papers On Disc, http//www.aiaa.org/research/DVD
[8] PUSTKA, D., MAREK, P.: Reliability analysis of statically indeterminate steel frame by SBRA method; III. ročník celostátní konference: Spolehlivost konstrukcí. Ostrava,.

ISBN 80-0201489-9. (Czech), 2002
[9] VÁCLAVEK, L., I-HONG CHEN, MAREK, P. (2010): Safety Assessment of a Steel Frame Using LRFD and SBRA Methods. Practice Periodical on Structural Design and Construction,
Vol. 15, No. 1, February 1, 2010. ©ASCE, ISSN 1084-0680
[10] VACLAVEK, L., I-HONG CHEN, MAREK P.: Safety Assessment of a Steel Frame Using LRFD and SBRA Methods; ASCE Practice Periodical on Structural Design and Construction, Feb 2010, Volume 15, Number 1, ISSN 1084-0680. CODEN: PPSCFX.

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ams 2 2016


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