Building outer face fire simulation apparatus

Abstract

The invention discloses a building outer face fire simulation apparatus, characterized by comprising: a multi-layer combustion chamber, a simulated side wall, a moving platform, an armored thermocouple probe, a heat radiation flux measuring instrument, a thermocouple patch, a glass frame, sunlight-controlled film-coated glass, simulated combustibles, a water-cooled heat flow meter, an axial fan, a DV camera, and a telescopic fireproof cornice. The multi-layer combustion chamber is formed by the lamination of two combustion chambers. The simulated side wall is combined with the wall faces with windows to form a U shaped structure. The telescopic fireproof cornice is arranged at the upper part of the lower-layer combustion chamber's windows. The apparatus of the invention can be used in the research on the fire spreading condition of the outer wall face of a high rise building under the action of an environmental wind, the research on the development characteristics of the fire flames and the smoke plume under the restrictive condition of the side wall as well as the characteristic rule of a secondary fire generated from the fire overflow at the outer side of the building into the upper layer combustion chamber, so as to provide reference to fire prevention designs for similar buildings.

Description

technical field [0001] The invention belongs to the technical field of building disaster prevention, and in particular relates to the characteristics of flame and smoke plume under the condition of fire spread on the outer wall of urban U-shaped buildings and the side is limited, and the fire overflow on the outer facade is involved in the upper chamber to cause a secondary fire phenomenon, and an improved experimental research device for fire-proof overhanging eaves. Background technique [0002] In recent years, with the rapid development of the economy, the scale of the city has continued to expand, and the contradiction between the ever-increasing population and the country's shortage of land has become increasingly intensified. Therefore, the country has built a large number of high-density and large-scale residential housing groups. The structures of these residential groups are different, especially there is a type of building structure similar to "U", "back" and even...

AI Technical Summary

Problems solved by technology

[0005] Although the effect of suppressing the upward spread of flames is achieved to a certain extent, in the case of a three-dimensional fire on the real facade, the fire is relatively large, and it is easy to quickly bypass the horizontal fire-proof overhanging eaves in a short time and further spread to the superstructure, causing even greater damage. At the same time, in the existing technology, the fireproof overhanging eaves cannot be arbitrarily lengthened, which will greatly affect the aesthetic effect of the building

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