脆弱性視角下城市地下綜合管廊路徑規(guī)劃方法
[Abstract]:As an important embodiment of the concept of urban sustainable development, the construction of urban comprehensive management gallery is very important to promote the function of city. As the trend of urban development in the future, the construction of integrated management gallery is the most important work and major measure in the present age when land resources are precious. However, how to do the planning work well in the early stage of construction, especially the path planning work, makes the construction of pipe gallery scientific, effective and orderly, and it becomes an urgent problem to be solved to give full play to its maximum benefit after completion. Based on the analysis of the main factors affecting the path planning of the integrated pipeline corridor, the concept of geological vulnerability and vulnerable section is put forward based on the vulnerability perspective, and the close relationship between the two and the construction of the pipeline corridor is expounded. Based on vulnerability perspective, the multi-constrained single-objective programming model and multi-constrained multi-objective programming model are established, and different algorithms are used to solve them to form a variety of specific path schemes. The specific contents of this paper are as follows: (1) on the basis of understanding the concept of geological vulnerability, a vulnerability evaluation index system is established according to the content of engineering geological evaluation. The evaluation model of geological vulnerability is established by using the method of information entropy variable weight and interval number correlation degree, which provides geological buildability analysis for the construction of pipe corridor. (2) according to the relationship between the construction of pipe corridor and the section of road, the concept of vulnerable section is put forward. On the basis of the traditional factors that affect the vulnerability of the section, considering the factors that affect the selection of the pipe section, the identification model of the vulnerable section is established based on the analysis of the construction of the pipe corridor. The quantitative judgment method and criterion are given for the section of priority construction pipe corridor. (3) taking the vulnerability condition as the constraint and ensuring the construction scale to meet the demand, the multi-constrained single-objective programming model is established with the shortest path as the goal. The improved artificial intelligence ant colony algorithm and the basic ant colony algorithm are used to solve the different path schemes, and the practicability of the improved algorithm is analyzed. The minimum geological vulnerability and the shortest path simultaneously establish a multi-objective programming model for the objective function, verify the effectiveness and scientific nature of the ant colony algorithm improvement, and form a variety of urban comprehensive pipeline path planning methods. Finally, a case study of a pipeline corridor area is given to verify the model established in this paper. The selected lines are not only in line with the actual pipeline corridor planning line, but also consistent with the theoretical analysis results of the model in this paper. This paper shows that the factors are reasonable and the method is practical, which provides a concrete and feasible guiding ideology and method for the formation of a large-scale integrated pipe corridor planning network. The model and method proposed in this paper provide a unique planning perspective, scientific design basis and systematic operation method for the personnel engaged in the integrated pipe corridor design. It is of great theoretical significance to the early planning of urban comprehensive pipe gallery construction.
【學(xué)位授予單位】:西安建筑科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TU990.3
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