【摘要】 主要介绍了新旧路基拼接设计、桥头台背回填设计、填石路基设计、既有老路边坡开挖等关键问题。同时以滨莱高速淄博西至莱芜段改扩建工程为依托,介绍了改扩建路基设计方案。更多还原

【Abstract】 The article introduces the design of new and old roadbed splicing,the design of abutment backfill,the design of stone filled roadbed and the slope excavation of old roads. Taking the reconstruction and extension project of Zibo West to Laiwu section of Binlai Expressway as an example, this article introduces its subgrade design scheme for renovation and expansion.更多还原