Fire resistance test device and fire resistance test method for hanging laying cable for super high-rise building
A withstand voltage test device, a technology for laying cables, applied in the direction of measuring device, measuring device casing, using stable tension/pressure to test the strength of materials, etc. stability and reliability, stable and convenient flame temperature control
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[0036] see Figure 1 to Figure 3 , The hanging cable fire resistance test device for super high-rise buildings of this embodiment includes a cable sample 1, a blowtorch 2, a tensile test device 3, and a pressure test device 4.
[0037] Cable sample 1 is a vertical section of a fire-resistant hanging cable, including a cable insulated core 11 and a load-bearing unit 12. After three cable insulated cores 11 and three load-bearing units 12 are twisted into a cable, the fire-resistant layer and outer protective layer are wrapped outside.
[0038] In order to control the flame temperature more stably and conveniently, the burner 2 of this embodiment adopts a belt-shaped propane gas burner, which includes a nozzle, a burner controller and a venturi mixer, and the outlet of the venturi mixer is connected to the nozzle through the burner controller. The blowtorch adopts a central air supply blowtorch. The nozzle has a nominal length of 500mm and a nominal width of 15m. The nozzle has three...
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