Calculation of the limit of fire resistance of double - layer glass unit
The calculation of the temperature and tension distribution in a double - layer glass unit is carried out taking into account the temperature dependence on the thermophysical characteristics of the glass, air and flue gases, and temperature dependence on the design features of the translucent structure and the non - linear nature of the change in the ambient temperature during the fire. The dependence of the fire resistance limit on the criteria of achieving critical tension in a three - layer translucent structure leading to its destruction on the thickness of the panels is calculated.