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9月18日,由中交一公局华祥公司承建的贵都高速公路十三标下各关跨铁路桥主跨50米预应力混凝土T梁全部顺利架设完成。下各关跨铁路桥全长300米,主跨为50米预应力混凝土T梁。与沪昆铁路斜交,交角为148°,墩柱边缘距铁路线路中心线最近的仅3.7米。下各关桥是该合同段的重点控制性工程,同
On September 18, 50 meters of prestressed concrete T girders of the main span of all over the railway bridges were all set up successfully on the Guidu Expressway constructed by Huaxiang Company under the jurisdiction of CCCC. Under the relevant cross-rail bridge a total length of 300 meters, the main span of 50 meters of prestressed concrete T beam. It intersects with the Shanghai-Kunming Railway at an angle of 148 °. The edge of the pier is only 3.7 meters away from the center line of the railway line. Under the bridge off the contract section of the key control projects, with