扩建公路结构物拆除重建方案对成本影响的探讨

摘要

In the circumstance that the small structures need to be removed, and the new bridge constructed, this article proposed some construction methods to ensure the normal operation of highway roads and reduce the impact on the underground road traffic flow, and analyzed and evaluated the various methods.%本文对高速公路扩建工程中，面对既有小型结构物需拆除、又有原址新建桥梁的情况下，如何既保证高速公路主干道的正常运行又能最大程度的降低对下穿地方道路交通流的影响提出了几种施工方法，并对各种方法进行了效益分析和评价。