Abstract: According to analysis actual observation data about bridge cove axes，the design linetype of bridge cove axes was fitted to design other parameters and academic data through SPSS soft，It makes the construction curve regression，distortion analysis and precision assess more disciplinarian ，easier and more efficient.It provides full，accurate and credible gist for reinforcing，repairing old building，and evaluating new buildings’construction quality，

Key words: SPSS, regression, transformation analysis

摘要： 根据实测获取的桥拱轴线的观测数据，通过应用SPSS程序软件，对桥拱轴线的设计线形进行了拟合，确定了 其有关参数和理论数据，使桥梁及其他建筑物的曲线回归、变形分析和精度评定更规律化简单化和高效率，为旧危 建筑加固维护，新建筑物施工质量评价，提供了翔实可靠的依据．

关键词: SPSS, 回归, 变形分析