PSI - Issue 5

Chmelko Vladimír et al. / Procedia Structural Integrity 5 (2017) 614–619 Garan, M., Chmelko, V./ Structural Integrity Procedia 00 (2017) 000 – 000

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 Minimizing unpredictable accidents due to vibration, fatigue of material, base instability with interaction of corrosion  Increasing the level of safety and reliability of technological equipment  The possibility of planning repairs according to the current state of life utilization and the safety of critical pipeline cross-sections  An immediate assessment of the risk of a non-standard operating situation

Fig. 4 Descent of the mean value of the loading stress in one critical place of pipeline during month 02/2013

Acknowledgements This work was supported by the Slovak Research and Development Agency under the contract No. APVV-15-0630. The presented contribution has been prepared under project LO1502 “Development of the Regional Technological Institute” under the auspices of the National Sustainability Program me I of the Ministry of Education of the Czech Republic aimed to support research, experimental development and innovation. Wachal, J. C., Smith, D. R., 1991. Vibration Troubleshooting of Existing Piping Systems“.Engineering Dynamics Incorporated, San Antonio, Texas. July, 1991, pp.18. Radavich, P. M., Selamet, A., Novak, J. M., 2001. A Computational Approach for Flow- acoustic Coupling in Closed Side Branches“. J.Acoust. Soc. Am. 109, pp.1343-1353 Jungowski, W.M., Botros, K.K., Studzinski, W.,1989. Cylindrical Side-branch as Tone Generator. Journal of Sound and Vibration, Vol. 131 (2), pp. 265-285. Rogers, L.E., 1992. Design Stage Acoustic Analysis of Natural Gas Piping Systems in Centrifugal Compressor Stations. Journal of Engineering for Gas Turbines and Power, Vol. 114, pp.727-736. Chmelko, V., Garan, M., 2016. Long-term monitoring of strains in a real operation of structures. 14th IMEKO TC10 Workshop on Technical Diagnostics 2016, Milano, Italy, pp. 333-336. Chmelko, V., Kliman, V. Garan, M., 2015. In-time monitoring of fatigue damage. Procedia Engineering. Vol. 101, (2015), pp. 93-100. Chmelko, V. 2014. Cyclic anelasticity of metals. Metalic materials, Vol.52 (6), pp. 353-359 Amzallag, C., Gerey, P., Robert,J.L., Bahuaudt,J., 1994. Standardization of the Rainflow Counting Method for Fatigue Analysis. International Journal of Fatigue, 16, 1994, pp.287 H. Cosham, The Pipeline Defect Assessment Manual, Newcastle 2001 References