Abstract: At present the waste phosphogypsum produced in wet process phosphoric acid production contaminates heavy environments.The application of gypsum to the base of highway pavement not only saves investment,but also settles in effect pollution of phosphorous slag, bringing notable technical and economic benefit and social benefit.In this paper,the compound material performance is studied through the indoor test,making essential preparations for the application of gypsum.

摘要： 工业废渣磷石膏严重污染环境 ,如能将磷石膏用于公路建设 ,不仅可以节约大量公路投资 ,而且可以解决环境问题 ,具有显著社会、经济效益 ,笔者就磷石膏用于石灰粉煤灰稳定层和水泥稳定层的基本路用性能进行试验 ,为磷石膏推广应用作些必要的研究

关键词: 磷石膏, 基层, 试验, 研究