山西省旧路加宽改造中应注意的问题

The problems should be noticed in widening engineering of old highway in Shanxi and their countermeasures

从新旧路基不均匀沉降的控制、旧路加宽形式的选择和新旧路面结构层的协调三方面探讨了山西省旧路加宽改造中应注意的问题,针对路基加宽改造的难点,提出了应采取的措施,从而减少新旧路基的不均匀沉降以及病害的发生。

This paper discusses the problems should be noticed in widening engineering of old highway in Shanxi from the control of uneven setdement of new and old roadbed, selection of old highway＇ s widening forms, and the coordination between new and old pavement substrate, and proposes measures should be adopted in light of the difficulties in roadbed widening engineering, in order to reduce the occurrence of uneven settlement of new and old roadbed and faults.