陇海铁路复线金水河大桥临时防护施工技术

Provisional protection measures for Jinshuihe Bridge construction in Longhai Railway

结合陇海铁路复线金水路桥桥墩施工实践 ,介绍了采用洛阳铲桩和大直径挖孔桩结合加固既有线路基边坡、锥体的防护措施 ,不仅能确保既有线行车安全 ,而且为下步安全施工提供保证 ,其经济和社会效益显著。

In this paper taking pier work of Jinshuihe Brid ge as example the slope protection measures combined with cast in site pile dr illed by Luoyang spoon and large diameter excavation stakes is introduced, whic h not only ensure the normal operation of existing line but also provide protect ion for next construction with obvious economic and social benefits.