BIM-GIS technologies in analysing the cost of assets after natural disasters: water flood and earthquake

Abstract

BIM-GIS integration. Analysing the cost of damage of buildings after natural disaster happened is a quite complex process. Methods having now to solve this problem take too many approximations; these models neglect unique parameters of each building. Final cost of damage depends on big number of variables. For example, in case of water flood, those variables can be: 3D geometric parameters of building, unit cost of materials, water velocity, depth of flood, physical properties of material, terrain geometry, etc. There is no single software to run mentioned complex model. This paper suggests integration of Geographic information system (GIS) and Building Information Modeling (BIM) as a method to perform cost analysis after natural disasters happened in given urban place. Both BIM and GIS are software which represent real world in digital format. But BIM uses micro level of objects and handles mainly indoor data while GIS uses macro level which includes rivers, basins and data in outdoor.