The Performances-based Fire Protection Design Of Double Ring Gallery Pedestrian Street

With the deepening of the pace of reform,social and economic life has been rapid development,the city has sprung up a lot of huge volume,the use of complex,high density of large pedestrian street shopping center.According to statistics: nearly 200 commercial center shopping center in the interior set up a pedestrian street,on both sides of different formats of shops,and with one or more atrium,this type of design has become the current commercial shopping center design new features.Due to the special use of the building and the use of innovative design,compared with the traditional commercial buildings,often have a large area of fire partition,evacuation distance is too long,the evacuation channel can not pass through the outdoor,cinema and other personnel places set in The top of the podium and other issues,these problems have exceeded the provisions of the existing norms.Therefore,the need for fire safety engineering methods,the use of performance-oriented design and validation,in order to ensure the safety of its building fire.First of all,this article for the pedestrian street shopping mall with fire hazards and common fire design difficulties,access to relevant literature and reference to similar projects,put forward to deal with such building fire design difficulties that the performance of the design and performance of the design Feasibility and steps.Secondly,combined with the fire protection design of a double lodging pedestrian street building,according to the relevant norms,put forward the existing fire design difficulties,on the basis of similar fire engineering,put forward the corresponding fire difficulty solution strategy for the back of the simulation verification pave the way.Finally,according to the common steps and methods of performance design,the parameters of the building are designed according to the relevant parameters of the building and the relevant parameters,including the setting of fire scene setting,setting of fire release rate and evacuation scene.Then,Fire smoke simulation software(FDS)and personnel evacuation simulation software(Pathfinder)software to simulate the data obtained by the simulation,the available evacuation time TASET and the necessary evacuation time TRSET.Through two time contrasts: in the building of a fire,the fire solution identified by the solution can be a good solution to the evacuation of personnel within the building,for such buildings to provide a reference to fire design.