通过对合蚌客专下穿既有合六高速公路施工方案计算和研究，选用理论上合理、工程上可行、造价较低的两侧开挖设计方案，取得了工期快、投资低等效果，以期为以后类似问题提供一定指导。%According to the calculation and research on the construction scheme for the Hefei-Bangbu passenger special line down-traversing existing Hefei-Liu＇ an expressway, the paper selects the two-side excavation design scheme which is reasonable in theory, feasible in the project, and has low costs, and achieves the effect of fast engineering period and low investment, so as to provide certain direction for similar problems.
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