A NOVELDYNAMIC PLANNING METHOD FOR RESCUE ROUTES OF REFUGE BUILDINGS IN RESPONSE TO GEOLOGICAL ENVIRONMENTAL DISASTERS BASED ON SPATIAL LAYOUTTHEORY

摘要

In recent years, various geological environmen-tal disasters and urban accidents have occurred fre-quently. The existing dynamic planning of rescue routes for refuge buildings does not take the spatial environment layout into consideration. Therefore, in this paper, we apply the concept of symmetrical in-verse layout merger to the rescue path dynamic plan-ning ofrefuge buildings.and design a method for the rescue path dynamic planning of refuge buildings based on symmetrical inverse layout merger. First, based on the symmetric inverse layout merging algo-rithm, the spatial environment planning features of the refuge building are extracted. The input of the al-gorithm is the spatial image queue of the refuge building, and the output is the spatial planning fea-ture image queue of the refuge building. Revit mod-eling software is used to build the refuge building BIM model, which includes the construction of ref-uge building floor slabs, stairs, walls, windows, doors, columns, slabs, internal beams and other structural parts models. For the constructed refuge building BIM model, the spatial structure of the ref-uge building is divided by the grid identification method, and grid nodes are used to represent the ac-tual spatial layout of the refuge building. Further-more, the ant colony algorithm is used to realize the dynamic planning of refuge building rescue path. Fi-nally, the method was compared with the fire evacu-ation time of the two existing methods, and the ex-perimental results proved that the method has the lowest time for complete evacuation from the fire, which achieves the purpose of reducing rescue time.