Fire test system and method for tunnel structure based on real-time fusion of numerical and physical spaces

A fire test system for tunnel structure based n real-time fusion of numerical and physical spaces, comprising:

• a physical test unit, to perform a holographic fire test on a plurality of components of a tunnel structure system in a physical space, to obtain holographic characteristic parameter data of the components, wherein the physical test unit includes a fire thermal environment simulation subsystem, a multi field coupling boundary loading subsystem, and a holographic data acquisition subsystem, wherein the fire thermal environment simulation subsystem comprises a furnace, a burner, a temperature control box, an air supply device, and a gas supply device, wherein the gas supply device include a liquefied gas cylinder and a forced gasification apparatus;
• a numerical analysis unit, to establish a full-scale numerical mode of a tunnel-stratum system in a numerical space, to obtain multi-field coupling boundary data of the components;
• and
• a fusion control unit, to control and adjust a multi-field coupling boundary of the physical space according to the multi-field coupling boundary data, and to update and adjust an input parameter of the numerical space according to the holographic characteristic parameter data.