北京市门头沟区工业废弃地生态修复工程的关键技术

随着改善城市环境质量、加强城市生态建设工作的呼声日益提高,工业废弃地的生态修复和环境建设工程越来越受到重视。以北京市门头沟区永定镇大砂坑生态修复二期工程为例,提出了这类工程的技术关键,首先是进行科学的规划设计,二是稳定坡体,三是建立排水系统,四是土壤改良,五是充分发挥植物的生态效益。重点论述了植物选择和种植中的有关问题,并结合该项目在前期立项、勘察、设计、施工中出现的一些问题进行了探讨和总结。

Key Techniques of Eco-restoration for Brownfields in Mentougou in Beijing

There is an increasing need for the improvement of urban environment and eco-programs and the eco-restoration of brownfields has drawn more and more attention.With the Sandpit Eco-restoration Phase II Program in Yongding Town of Mengtougou District of Beijing as an example,this paper put forward the key techniques of eco-restoration,namely a scientific planning and design,hillsides stabilization,drainage system establishment,soil improvement and eco-benefits of plants.It also elaborated the plant selection and plant design and summarized some ideas from the investigation,design and construction periods.