Summarize Preventing of Express highway Bridge Abutment Traffic Jump

Bridge abutment traffic jump is always the challenge of all of express highway and is difficult to find a best solution. Currently used construction methods is as following:Geological soft soil is to be treated or changed behind the abutment under the express highway surface and backfilling work should be layer by layer carefully done with high quality and pressure. Stability of soil should be guaranteed ahead of abutment cone and abutment cone self's stability also should be protected. Prevention and treat of related jump problem is a long-term arduous work and the team work of owner, designer and contractor is highly needed.