一、引言青荣城际铁路是山东省内首条区域性城际高速铁路,也是省内投资最大的单体铁路建设项目,同时还是我国第一条非省会间城际高速铁路。这条铁路沿线地处山东半岛的龙头——胶东半岛区域内,连接了青岛、烟台、威海三个主要城市。青荣城际铁路建成后,可实现全天候、公交化运行,将 I. INTRODUCTION Qingrong Intercity Railway is the first regional intercity high speed railway in Shandong Province and also the largest single railroad construction project in the province. It is also the first inter-city high-speed railway in China that is not a provincial capital. This railway is located along the Shandong Peninsula’s leading - Jiaodong Peninsula region, connecting Qingdao, Yantai, Weihai three major cities. After the completion of Qingrong Intercity Railway, it can realize all-weather and public transportation operation