Analysis Method Based on Cloud Model for Comprehensive Indices for Natural Zoning for Highways

Chao Li; Yu Lan Wang

doi:10.4028/www.scientific.net/AMM.587-589.1972

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 587-589Analysis Method Based on Cloud Model for...

Analysis Method Based on Cloud Model for Comprehensive Indices for Natural Zoning for Highways

Abstract:

Zoning indices are important reference for highway zoning. Therefore, the analysis and calculation method of zoning indices is the key to objectivity and scientific of the highway natural regionalization. In the analysis and calculation process of comprehensive index, strong fuzziness and randomness of factors description is the main obstacle to achieve reasonable conversion between qualitative and quantitative. At the same time, the weight determination of each factor mainly relies on the subjective experience, is lack of objective and quantitative analysis method. In previous study on Natural Zoning for Highways in China, zoning indices were not comprehensive ones, but usually single physical geographical element. This paper combined the cloud model and Delphi theory to put forward the comprehensive zoning index analysis method. Highway Engineering Difficulty Index (HEDI) was analyzed with this method and got the weights of the factors to calibrate the analysis model to calculate HEDI of China. The map of HEDI reflects the influence degree of surface configuration on highway engineering in different regions of China correctly. Analysis result shows that the method improves the quantization degree of comprehensive zoning indices analysis, realizes the optimal utilization of the fundamental spatial data.

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Periodical:

Applied Mechanics and Materials (Volumes 587-589)

Pages:

1972-1976

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.587-589.1972

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Online since:

July 2014

Authors:

Chao Li*, Yu Lan Wang

Keywords:

Cloud Model, Highway Engineering, Index Analysis, Natural Zoning

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* - Corresponding Author

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