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Quantitative assessment method for influence of geological disaster on road traffic

A technology of geological disasters and road traffic, applied in the direction of instruments, data processing applications, resources, etc., to achieve a wide range of effects

Active Publication Date: 2018-01-05
SOUTHWEST UNIVERSITY FOR NATIONALITIES
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Problems solved by technology

[0006] Aiming at the problems in the prior art that are not involved in the quantitative assessment of the degree of influence of geological disasters on highway traffic, the present invention provides a method for quantitatively assessing the degree of influence of geological disasters on road traffic based on traffic accessibility

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  • Quantitative assessment method for influence of geological disaster on road traffic
  • Quantitative assessment method for influence of geological disaster on road traffic
  • Quantitative assessment method for influence of geological disaster on road traffic

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Embodiment Construction

[0023] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 2 As shown, the quantitative evaluation method of the impact degree of geological hazards on highway traffic based on traffic accessibility includes the following steps:

[0025] 1) According to the survey of tourist sources in scenic spots, the number of tourists from major tourist sources in the area is obtained. Among them, airports and railway stations are also counted as tourist sources of road traffic. Estimate the distribution;

[0026] 2) Taking the proportion of the number of tourists arriving at the scenic spot from major tourist sources in the area as the quality of the tourist source area, calculate the road traffic accessibility of each tourist source area in the area to the scenic spot, and the calculation formula is:

[0027]

[0028] In the formula, A It is the weighted average travel time in the ro...

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Abstract

The invention discloses a quantitative assessment method for an influence of a geological disaster on road traffic of arriving at a scenic spot. The method comprises the following steps of 1) determining a main tourist source place and an assessment range of the influence on the road traffic of arriving at the scenic spot; 2) calculating road traffic accessibility of arriving at the scenic spot bytourists of each main tourist source place in a region; 3) determining a weight of each geological disaster influence factor in the region, selecting and grading a key index of each influence factor,and calculating and zoning a risk of the geological disaster by utilizing GIS software; 4) endowing a weight of a corresponding road section with a geological disaster risk value in a 200m range on two sides of the road, and calculating road traffic accessibility of arriving at the scenic spot from each main tourist source place under the weight; and 5) dividing road traffic accessibility under no influence of the geological disaster by the road traffic accessibility under the participation of the weight of the influence of the geological disaster to obtain an index of the influence of the geological disaster on the road traffic of the scenic spot, thereby performing quantitative assessment on the influence of the geological disaster on the road traffic of the scenic spot.

Description

technical field [0001] The invention relates to a method for quantitatively evaluating the degree of influence of geological disasters on road traffic, in particular to a method for quantitatively evaluating the degree of influence of geological disasters in tourist attractions on road traffic based on traffic accessibility. Background technique [0002] At present, there are many evaluations on the impact of highway geological hazards due to the needs of engineering construction, but these evaluations are all carried out for a highway or a certain section of a highway, and the evaluation results are also segmented according to the risk of geological hazards of the highway. The hazard or impact of highways can only be qualitatively recognized through the proportion of high-risk sections and the density of geological hazard points. At the same time, it is difficult to compare between different highways or even different sections of the same highway. [0003] Most of the exist...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26
Inventor 沈兴菊
Owner SOUTHWEST UNIVERSITY FOR NATIONALITIES
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