弃渣来源主要是主体工程、交通工程和其他工程，弃渣量分别为９４％、２．８％、３．２％。经水利部批复的水土保持方案，弃渣处理采取护堤形式、拦渣坝形式和防洪堤形式，方案不仅考虑了一般防护要求，还考虑了排水、泄洪、防冲等。主要经验是要把弃渣处理当作本体工程建设的一项内容看待，有项目、有设计、有投资。 The main source of spoil was the main project, traffic engineering and other projects, with spoil amounts of 94%, 2.8% and 3.2% respectively. Water and soil conservation programs approved by the Ministry of Water Resources, spoil treatment take the form of berm, ditching dam and flood control form, the program not only considered the general requirements of protection, but also considered the drainage, flood discharge, anti-red and so on. The main experience is to treat spoil disposal as an integral part of the construction of a content, there are projects, design, investment.