Study On Collaborative Optimization Of Land Use Intensity And Traffic Capacity Under Hierarchical Regulatory Planning

At present, many cities in our country are in the high-speed development stage of outward rapid expansion and inward renovation coexisting. The land use scale, intensity and speed are increasing, and especially the phenomenon of the more developed, the more congestion in big and medium-size cities is serious. The studies on the interaction relations between city land use and traffic are very urgent and necessary. In regulatory detailed planning stage, land use and traffic integration planning are the key points, and the capacity matching and collaborative optimization between land use intensity and traffic facilities both in time and space are urgent affairs. With the big and medium-size cities across the country vigorously promote the hierarchical regulatory planning, the new regulatory detailed planning technical system of hierarchical control has become mainstream.By using the multi-disciplinary theories and methods, and based on the platform of the ―total constraints, hierarchical control, partition balance‖ technology system of the hierarchical regulatory planning, this paper introduced related theories and methods researches into the study, and explored the cooperation possibility between land use planning and traffic planning in regulatory planning. Then it figured out the core issues of the bidirectional collaborative optimization between land use and traffic in the hierarchical regulatory planning, and constructed the bidirectional collaborative optimization method system. This paper also analyzed the core contents, the bidirectional collaborative optimization mechanism between land use intensity and traffic capacity, and constructed the mutual feedback collaborative optimization model, the evaluation method and the technical support system. After this, this paper applied the research method of empirical analysis to achieve the collaborative optimization results which applied in the integration of regulatory detailed planning and actual cases.First of all, through analysis and summary of development process, research results and future research directions in the regulatory detailed planning and traffic planning, it can be found a breakthrough for this paper and lay the theoretical foundation for the following research at the same time. Secondly, through the study and arrangement of relevant literature, as well as on the basis of coupling analysis of target, spatial level and index, this paper establish the bidirectional collaborative optimization model of land use and traffic in regulatory detailed planning. It can be used to analysis the bidirectional collaborative optimization mechanism. Followed by this model, it can establish a theoretical framework for integration of ―two rules‖. Thirdly, mainly through the model of the traffic supply and demand in hierarchical regulatory planning to create coordination model as well as optimization evaluation, a quantitative method of the bidirectional collaborative optimization between land use and traffic in hierarchical regulatory planning was formed. Fourthly, through the description of contents, index systems, technology and management for land use and traffic integration planning, the application of land use intensity and traffic capacity collaborative optimization results were achieved in hierarchical regulatory planning. Fifthly, through the analysis of actual case, verify the suitability of land use and traffic integration planning technical systems of the hierarchical regulatory planning in Shang-ma-ying area of Baoji city. Using the bidirectional collaborative optimization model and evaluation method to realize the practical application of the above results. Sixthly, six conclusions of the research results were summarized, then three major innovations were refined in this paper, and the main research was proposed in the future.The research can provide theoretical and technical method for the integrated planning of regulatory detailed planning land and traffic planning, so as to create an interdisciplinary research platform with two planning integration, construct the bidirectional collaborative optimization method system, and establish a set of integrated planning application technologies. Provide theoretical and technical method for the effective matching between city land use intensity and traffic capacity. Improve the existing regulatory detailed planning technology and content to determine the best suitable intensity for urban land development.