Research Article

Semiquantitative Fire Risk Grade Model and Response Plans on a National Highway Bridge

Table 6

Properties of standard fire curve [27].

CarBusTruckHazardous material transport

Fire strength (MW)10.020.030.0100
Growth rate (α)0.050.10.150.5
Decay ratio (β)0.0020.0010.0010.001
Growth time (sec)450450450450
Maximum burning time (sec)268455102350