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27 IITGN-UL/Façade 28 IITGN-UL/Façade

This part of the report details the four full-scale glass façade fire tests that (i) Test 1: Local glass + ACP 0°C to 350°C optional up to 1200°C with an accuracy of ± 2°C or ± 2 % of
were carried out at the IITGN-UL façade testing facility in the months of To study the performance of façade system of toughened glass and ACP, reading. Measurement analysis is in the form of three boxes for each floor
December 2016 and January 2017. Tests 1 and 2 were performed on a the whole assembly was mounted over the full height of the test facility level showing maximum, minimum and average temperature of the exposed
Part II glass+ACP façade system (test 1 utilized locally available materials whereas through aluminium cladding framework. Toughened glass of 1200 x surface.
400 mm size and 6mm thickness were used. 4mm thick ACP sheets were
DETAILS OF standard materials were used in test 2). Test 3 was performed on a used. 60% Glass and 40% ACP is used in comprising the whole assembly. Detailed specifications of the cameras can be accessed through links FLIR
glass+MDF façade system. The first three tests simulated the external fire
T360 (http://katedry.fmmi.vsb.cz/UMRTP/photo/T360-datasheet.pdf) and
The aluminium cladding framework was made of rectangular tube of
spread mechanism. Test 4 was designed to study internal fire spread
FIRE TESTS mechanism. size 64mm x 58 mm. Glass and ACP sheets were fixed with aluminium FLIR E 50
(http://www.noleggiotermocamere.it/Download/FLIR_e50_dataSheet.pdf).
frame through silicon structural glazing sealant (Dow Corning brand)
and through 6mm pressure tape. (Kotadiya Brand). Video cameras were installed at each floor level in all the compartments. 2
Megapixel (1600 x 1200) high resolution cameras were fixed in the test
(a) Instrumentation: compartments at all three levels for real time video recording of the events.
The test compartment at all three levels was instrumented with K-type Operating conditions for these cameras is about -10°C to 60°C.
thermocouples (TC), and video and thermal imaging cameras. Range of Continuous variation of temperature with time was monitored through
temperature measurement for K type thermocouples used is 0 to 1200°C National Instruments Data acquisition system (DAQ) which was controlled
with an accuracy of higher of 2.2°C or 0.75% of the measurement. In remotely through a desktop computer. All the data was recorded directly
order to measure temperature profile across the height of the onto the computer’s hard disk drive using the Lab View software. Data
compartment, thermocouples in form of tree were placed within the acquisition system with multiple channel input was placed at first floor level
compartment. Each thermocouple tree comprised of four of the compartment 2 which was not exposed to fire during the test.
thermocouples placed at an interval of 0.75 m from floor level. Thermocouples of different wire lengths from all floor levels were extended
Thermal imaging of the façade and ACP system was carried out with to the location of Data acquisition system at first floor level. Thermocouple
two thermography cameras FLIR T360 and FLIR E50. Object temperature cables were running beneath the slab and through walls to prevent direct
range for FLIR E50 is 0°C to 650°C with an accuracy of± 2°C or ± 2 % of exposure to fire. Exposed cable lengths were painted with fire proof paint.
reading whichever is higher, whereas for FLIR T360 temperature range is