2010
DOI: 10.1007/s11340-010-9430-7
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A New Shock Tube Facility for Tunnel Safety

Abstract: In this paper, a new double diaphragm shock tube facility for studying the structural response of a circular plate resting on soil, when subjected to a shock wave, is described. The present shock tube has been designed in the framework of a more extensive research program aimed at the investigation of underground tunnel lining under blast and fire conditions. The innovative features of the facility are an end-chamber conceived to investigate soil-structure interaction and a burner equipment to heat the specime… Show more

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Cited by 27 publications
(18 citation statements)
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“…The purpose of the SSTF is to produce a loading similar to that from blast events within controlled laboratory environments. Shock tubes are widely used to study structures exposed to blast loading (see Andreotti et al, 2015; Colombo et al, 2011; LeBlanc et al, 2007; Subramaniam et al, 2009); however, such studies often report the pressure–time histories without fully addressing the requirements to blast performance. According to relevant European (NS-EN 13123-1, 2001; NS-EN13124-1, 2001) and International (ISO 16934, 2007) standards, a shock tube used in blast applications should ensure the consistent reproduction of a plane shock wave normal to the surface of the test object.…”
Section: Experimental Validationmentioning
confidence: 99%
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“…The purpose of the SSTF is to produce a loading similar to that from blast events within controlled laboratory environments. Shock tubes are widely used to study structures exposed to blast loading (see Andreotti et al, 2015; Colombo et al, 2011; LeBlanc et al, 2007; Subramaniam et al, 2009); however, such studies often report the pressure–time histories without fully addressing the requirements to blast performance. According to relevant European (NS-EN 13123-1, 2001; NS-EN13124-1, 2001) and International (ISO 16934, 2007) standards, a shock tube used in blast applications should ensure the consistent reproduction of a plane shock wave normal to the surface of the test object.…”
Section: Experimental Validationmentioning
confidence: 99%
“…Experimental validation is ideal since it represents the actual physics of the problem, and controlled small-scale experiments could therefore be used to validate the current computational methods and improve the understanding of the structural response during blast events. An alternative to explosive detonations is the shock tube technique (see Andreotti et al, 2015; Aune et al, 2015; Colombo et al, 2011; LeBlanc et al, 2007; Lloyd et al, 2010). This is a well-known experimental technique within the field of gas dynamics using well-defined and easily controllable initial conditions providing good repeatability of each test.…”
Section: Introductionmentioning
confidence: 99%
“…Low pressure gas is also called as a driven gas which is referred toward the shock wave. Driver gas is also known as high pressure gas (Colombo et al, 2011;Dey et al, 2020). Shock tubes can also be used as a tool to direct the blast waves and to know about the exploitation materials and about the flying debris.…”
Section: Introductionmentioning
confidence: 99%
“…Conventional blast simulators often employ a constant cylindrical driver with a sudden and abrupt expansion section leading up to the test section (Alay et al, 2018;Chandra et al, 2012;Dallriva et al, 2016;Lloyd et al, 2009;Stolz et al, 2016). In other cases, expanding circular drivers are connected directly and abruptly to a straight test section (Ritzel, 2007) or simply in a constant cross-section for the entire length of the blast simulator (Aune et al, 2016;Colombo et al, 2010). These configurations often lead to various problems in the generated flow as illustrated in Figure 1 as well as being unable to develop the distinct negative phase of a free-field explosion.…”
Section: Introductionmentioning
confidence: 99%