Highway Changing Extension Project Roadbed Broaden Synthesis Punishment Plan
The old road broaden transforms to enhances already has the category of roads and the improvement road network structure has the high technical economy value. When the highway widens the improvement project the project design must carry on the multi-plans compared to elect, to adopt the technology to be feasible, guarantee quality, control cost synthesis punishment plan. The union project practice, from the basis desilting, trades fills in with attacks the roller compaction, the roadbed padding choice, the stair excavates with the construction roadbed broaden and so on several aspects carries on the elaboration, and proposes the concrete punishment plan.