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本文介绍高速公路下穿铁路大跨度铁路框构桥顶进施工技术,并且是在一次架设工便梁加固既有铁路下,同时顶进2孔大跨度铁路框构桥。
This paper introduces the construction technology of underpassing railway long-span railway frame bridge under expressway, and at the same time erecting a two-hole long-span railway framed bridge under the reinforcement of the existing railway.