Anqiang Li
ABSTRACT
Recently, lots of waterlogging disasters happened in cities of China, which endangers social safety and residents’ properties. The basic reason of urban waterlogging is that rainfall intensity exceeds drainage capacity of urban underground rainwater pipe system. In order to control and treat urban waterlogging, reconstruction and expansion of the drainage pipelines is a useful method in projects. Thus, it is very necessary and important to explore and analyze the redundancy of the urban underground space before the design stage for the projects. Our paper defines a parameter for space redundancy from smallest distance between pipelines and presents an algorithm for space redundancy of urban drainage pipelines based on geometric analysis. The value of space redundancy will show the possibility of the reconstruction and expansion of the pipe network. This algorithm could also be applied in smart city pipe network information system, from which the space redundancy value of any pipeline can be calculated out quickly and showed intuitively. Moreover, the effect of reconstruction and expansion can also be displayed by BIM modeling in information system, which can provide a reliable and scientific basis for the design of projects for treatment of urban waterlogging.
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Index Terms
- Space redundancy algorithm for urban underground drainage pipe network based on geometric analysis
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