Research Into Low Impact Approaching-nature Road Management

Ecological construction is a new concept under the need of weakening the negative influence of swift and large-scale urbanization. Ecological concepts are transformed into a controllable development framework by human in the researching and practice of a great many fields. It works as a guidline in all kinds of urban construction activities, with itself being completed continuously. Ecological construction is an aim as well as an inexorable trend under the background of worldwide climate changes.Ecological concept is utilized in designings of all kinds of scales. Designings of regions, cities, comunnities, roads and buildings can all contain the cocept of ecology. Road system is a most important part in the ecological planning of a city, as it connects the different functions in a city, record all the action traces of citizens, and coincides with other functional networks of the city.It's necessary and wise to develop a native approaching-nature management for every country, as different countries don't have everything in common. China has relatively weak base, but huge potential and rapid tendency of development, so a low-impact, low-cost, high-efficiency and multi-benefit approaching-nature management is the best approach for China to achieve ecologization, which is also the highest state of sustainability.The study is aimed to extract a low-impact roadside natural drainage system from typical cases, introduct its essential concepts and principles of work, prove its priorities. The application prospect of natural drainage in China and the limiting conditions will also be discussed based on the multianalysis into the natural and national conditions of China. Finally, the study will take Tianjin as the example, and put forward a Chinese technical and implement management of natural drainage.