Reusing test study on phosphogypsum-lime solidified soil in road base course is carried out to solve engineering diseases caused by the overuse of phosphogypsum in highway.

• 摘要针对道路建设中过量使用磷石膏并引发工程病害的问题，进行了既有富含磷石膏二灰土底基层的改良再生研究。