The Study Of The Model About Optimization Design In Choosing Ways In The Mountainous Area

The relation to construct a road in mountain area is vast and the effect element of it is much. It is a key work that has a powerful policy and technique. Since the difficulty and the investment of the project is greatly. At the same time the effect is far-reaching, when choosing the project of it, people should be cautious as they can and they must take politics, economy, project and the infection in the community into account. To choose the best project in the decision of choosing a way in constructing a road is a complex decision-making problem of many targets. There are fix quantify targets in the numerous elements that it relates to, But there are qualitative targets in them. If choosing a rational way, it may accurately unite the expense of building the road and quality in use, Moreover it can obtain safe driving, economy, comfort, stabilization of structure and it can be easily maintain. It also can improve People's life and the development of national economy. At present, the best project in choosing a way only depends specialist to carry on marking to every one alternative project, and then collect all the makings. Thereby the optimum way is come out from them. There are some very great faults in the kind of modes of choosing a way: on the one hand, It excessively depends on the experience of specialists, Evaluated by specialists. They lay special emphasis on comparing the ways. The good or bad of the ways mostly are subjectivelyjudged by the specialists, so it is very hard to remove the effects about the their subjective bias. The different people in the analysis and evaluation have different points of view about the choosing ways, so they usually draw the difference conclusions and they can't guarantee the right of the best project. On the other hand, the kind of the modes concealed the complexities of system, and it can't reflect the actual situation. As a result, it cannot make sure that the strategic decision is right and scientific.The study analyze the means about choosing ways in the mountain area along the small stream string, over mountain string and ridge string, and then sum up the problems about choosing ways in mountain area. It put forward the preliminary measure to the problem. At the same time , The study sum up out some fundamental rules about choosing ways in the mountain area from analyzing some kinds of factors about the infection in choosing ways.At present, in the course of choosing the ways in mountain area, because terrain is complex and the mountains are high, so the problems are complicatedly changeable to the persons who are choosing a way in the mountain. However, the study bring forward some different settlements to the different targets from implementing the optimization in the entire process that are from the starting point of the road to terminal point of its. Base on thesituation about choosing ways in the mountain area, It summed up or advanced six kinds of optimizations method. The article established alternative by using network chart of projects and project enumeration. Then it adopted the method of colligating odd targets and many targets. It took the effect of targets, the condition of the project and the network chart into account, and then established the model of optimization. For seeking a method to solve the model, it introduced blur math method, dynamic programming method, the way of optimization and integer programming method etc. The study of the model of optimization in choosing ways in the mountainous area offered the theory for autoimmunization in choosing ways. It also had the instructional meaning for the practice of choosing ways in the mountainous area.