期刊
JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES
卷 30, 期 -, 页码 124-136出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jlp.2014.05.011
关键词
Non-standard bolted flange joints; Piping system; Leakage; Seismic performance
资金
- Research Fund for Coal and Steel of the European Commission, within the INDUSE project: Structural Safety of Industrial Steel Tanks, Pressure Vessels and Piping Systems under Seismic Loading [RFSR-CT-2009-00022]
This paper presents an experimental test campaign carried out on a number of seismically enhanced Bolted Flange joints. In particular, two non-standard Bolted Flange joints, comparatively thinner than standard ones, were designed and their performance was evaluated through several monotonic and cyclic tests. Experimental results exhibited a favourable performance of the examined joints under bending and axial loading and moderate internal pressure; a good capacity in terms of strength, ductility, energy dissipation and leakage was observed. A comparison between experimental results and Code-based design loads proved the usability of the proposed joints during and after Operating Basis Earthquake ground motions. Finally, a comparison between capacity and seismic demands of these joints adopted in a piping system of a realistic Case Study suggested their suitability for seismic applications as well as some building code deficiency with respect to response modification factors. (C) 2014 Elsevier Ltd. All rights reserved.
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