论文部分内容阅读
对B型便梁进行简单改造,先简支后连续架空铁路线路的成功应用。实例为云南昆安高速公路小河边下穿隧道工程施工过程中,五孔24m B型便梁架空成昆铁路,历时210天,通行各类列车一万三千多对。
On the simple conversion of B-beam, the successful application of continuous overhead railway line after simple support. An example is the Kunlun Expressway under the small river crossing tunnel construction project in Yunnan Province. The five-hole 24m B-type overpass Chengcheng-Kunming Railway lasted for 210 days and passed 13,000 pairs of various types of trains.