Determine the fire load density for the constructed room of wood using the CIB formula. The thermal properties of wood are [tex]K = 1.5 \, \text{W/mK}[/tex], [tex]\rho = 3200 \, \text{kg/m}^3[/tex], and [tex]C_p = 1500 \, \text{J/kg.K}[/tex]. The ventilation factor is 0.25 and the fire severity is 30 minutes.

Select one:

A. 2980 MJ/m²
B. 2400 MJ/m²
C. 800 MJ/m²
D. 1820 MJ/m²

To calculate the fire load density for the constructed room of wood using the CIB formula, we need to use the given thermal properties of wood, ventilation factor, and fire severity.

The CIB formula for calculating fire load density is:

Fire Load Density = (K * p * Cp * V * t) / 1000

Where:

K is the thermal conductivity of the material (1.5 W/mK)
p is the density of the material (3200 kg/m3)
Cp is the specific heat capacity of the material (1500 J/kg.K)
V is the ventilation factor (0.25)
t is the fire severity in minutes (30 min)

Substituting the given values into the formula:

Fire Load Density = (1.5 * 3200 * 1500 * 0.25 * 30) / 1000

Simplifying the equation:

Fire Load Density = 5400000 / 1000

Fire Load Density = 5400 MJ/m2

Therefore, the fire load density for the constructed room of wood using the CIB formula is 5400 MJ/m2.

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