Subway disaster accident simulation testing platform

Abstract

The experiment platform includes experimental solid model of underground in 1:5 large scale, fire source system, ventilation and smoke extraction system, fire detection alarm system, experimental measurement and collection system, and data analytic system. Structure of multistory building of the solid model includes interzone tunnels, platforms, station halls and facility rooms etc. Modularized design is adopted. Fire source system can simulate different scenes of fire, and generate hot smoke gas of fire nigh true. Power and fuming quantity of the fire source system is determined based on theoretical analysis from model similitude. The experiment platform can generate growth curve of different power of fire. The experiment platform is in use for carrying out experimental studies: happening and growing mechanism of fire, and poison gas outspread inside stations of underground as well as control technique. The invention is applicable to different structures of station.

Description

technical field [0001] The invention relates to equipment for experimental research on accidents such as fire spread and poisonous gas diffusion in subway stations, in particular to a simulation experiment platform for subway disaster accidents. Background technique [0002] For disaster accidents in a specific space, if a full-scale solid model is used for experimental research, there are certain difficulties, and it is necessary, scientific, economical and feasible to use a simulation experimental model of a certain scale to carry out research. Most of the existing simulation experiment system platforms at home and abroad are designed and developed based on scale simulation technology and combined with specific needs. For example, in the study of fire accidents in buildings, Thomas et al. used a 1 / 10 scale-down model to study the smoke spread phenomenon in large-space buildings, and Morgan used a 1 / 10 scale-down model of shopping malls and atriums According to the law of ...

AI Technical Summary

Problems solved by technology

However, the applicable objects and applicable functions of the existing simulation experiment system platforms are relatively single, which can only meet the specific needs of certain types of projects; or the model scale is too small, which will bring large similarity errors in experimental research. Unable to meet the needs of in-depth research on disaster accident simulation experiments

[0003] At present, there is no subway station experimental model platform in China to simulate the experimental research of subway fire smoke spread and poisonous gas leakage and diffusion. The experimental simulation of space fire spread, toxic gas leakage and diffusion, and the experimental research of accident ventilation are urgent problems to be solved in the field of urban rail transit.

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