京台高速小方段扩建拼宽路基施工质量控制

The Construction Quality Control of Expanding and Broadening Subgrade in Jingtai Highway Xiaofang Section

目前高速公路扩建模式为双向四车道的路基两侧加宽成双向八车道,在两侧拼宽扩建施工过程中路基填筑质量的好坏会直接影响到改扩建后的使用寿命。

At present, the highway extension mode is broden four lanes on both sides of subgrade into eight lanes,the subgrade reclamation quality will directly affect the service life after reconstruction in the process of the expansion and broadening construction.