论述了珠江三角洲地区高速公路工后不均匀沉降造成的病害及其危害 ,分析了工后不均匀沉降的特点 ,初步研究了路堤工后不均匀沉降、堤桥 (涵 )衔接处工后不均匀沉降的形成原因。最后 ,提出了控制工后不均匀沉降的措施 The disease and its damage caused by post-construction expressway in the Pearl River Delta are discussed. The characteristics of post-construction uneven settlement are analyzed. The uneven post-construction settlement of the embankment and the post-construction unevenness of the embankment bridge The reason for the settlement. Finally, the measures to control uneven post-construction settlement are proposed