Effect Analysis Of High Type Road Bridge Embankment After Treating Depression In Seasonal Zone

It is a common defect that the problem of depression of bridge approach in highway and expressway in home and abroad . Thus , researchers have been researching in home and abroad , but there are not perfect ways . Because highway and expressway are often effected by some factors , such as , weather , terrain , hydrographic , geological, and so on . So , the way to the problem is varies as practical situation .The paper research the problem of depression of bridge approach of seasonal frozen zone according to highway Chang梇u .It includes common ground soft ground , includes analysis of economic and engineering . At the same time , some treasures have been analyzed in contrast . The paper presents some measures to copy with soft ground and common ground . It also presents a theory that the rate of bump should below 5 percent.