主要对陇海铁路宝鸡至天水段路基工程现状及增建第二线路基技术条件的论述。重点对滑坡、崩塌、落石、路堤下沉及渭河冲刷地段的路基工程设置方案和可行性进行了讨论。 Mainly on the Longhai railway from Baoji to Tianshui subgrade engineering status quo and the construction of the second line of subgrade technical conditions discussed. The landslide, collapse, rockfall, embankment sinking and the Weihe River flushing section of the subgrade construction program and feasibility are discussed.