| With the expansion of reformation and opening policy, transportation trade in our country has developed very quickly. Traffic is heavy and the load of vehicle is growing ,which greatly exceeds the value of highway vehicle. So some roads have to be used over its design parameter and some bridges are damaged. These bridges must be rebuilt or consolidated recently. But how to find a reasonable and economical bridge consolidation method has become a task of highway researchers.This paper described the feasibility and rationality of scheme from program design, theory analysis and internal force compute and consolidation construction and gave out the ideal consolidation plan of double arch bridge through the consolidation example of Xi taozhuang bridge on Hanwu road in Handan city. |