Research on Investment Estimation Model of Municipal Bridge Engineeringa — A Case Study of Hollow Slab Girder Bridge

In order to improve the work on investment estimate of municipal bridge project,the paper screens the impact factor of municipal bridge project investment estimation to build municipal bridge project investment estimation model. It regards hollow plate girder bridge as the research object.It obtains the initial set of impact factor affecting municipal bridge project investment model by analyzing the relevant literature using the method of information precipitation.And it screens out 10 feasibility impact factor set by analyzing the data collected by the questionnaire with membership degree analysis.