Passive Fire Protection 09


Passive Fire Protection 09 : Testing: Examples of testing that underlies certification listing: Europe: BS EN 1364; Netherlands: NEN 6068; Germany: DIN 4102; United Kingdom: BS 476; Canada: ULC-S101; United States: ASTM E119. Each of these test procedures have very similar fire endurance regimes and heat transfer limitations. Differences include the hose-stream tests, which are unique to Canada and the United States, whereasGermany includes a very rigorous impact test during the fire for firewalls. Germany is unique in including heat induced expansion and collapse of ferrous cable trays into account for firestops, resulting in the favouring of firestop mortars, which tend to hold the penetrating cable tray in place, whereas "softseals", typically made of rockwool and elastomeric toppings, have been demonstrated in testing by Otto-Graf_institut to be torn open and rendered inoperable when the cable tray expands, pushes in and then collapses. Spin-offs from these basic tests cover closures, firestops and more. Furnace operations, thermocoupling and reporting requirements remain uniform within each country. In exterior applications for the offshore and the petroleum sectors, the fire endurance testing uses a higher temperature and faster heat rise, whereas in interior applications, such as office buildings, factories and residential, the fire endurance is based upon experiences gained from burning wood. The interior fire time/temperature curve is referred to as "ETK" (Einheitstemperaturkurve = standard time/temperature curve) or the "building elements" curve, whereas the high temperature variety is called the hydrocarbon curve as it is based on burning oil and gas products, which burn hotter and faster. The most severe, and most rarely used, of all fire exposure tests is the British "jetfire" test, which has been used to some extent in the UK and Norway but is not typically found in common regulations
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