Performance-based Evaluation on the Natural Smoke Exhausts System of Theatre

Analyze the characteristic of smoke movement in the building, study on the rationality and validity of fire control system of the theatre. Study on the use characteristic of theatre, and fire develops as the fast t2 fire in the theatre and FDS software was used to simulate fire development according to the fire performance-based design. The result shows that the smoke temperature, CO concentration and visibility is safe for human for 1 200 s. It also proves floor 1 of theatre is safe by using the automatic smoke barrier combine with mechanical smoke exhaust system .The natural smoke exhaust system in the second floor can play an effective smoke control function.