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一、概况湘桂线K966+592明江桥,原为2孔10米钢筋混凝土梁(第一、十一孔),3孔30米上承钢板梁(第二、三、十孔),4孔26米上承钢板梁(第四、六、七、九孔),2孔0.83和0.76米工字梁(第五、八孔,即钢塔墩上间隔短梁)组成,全长222.2米。主航道上的第四孔和第六孔、第七孔和第九孔间为英式T型塔架临时墩,其余均为混凝土永久性墩台,桥高18.5米(图一)。
I. Overview Xiang Guangxi line K966 + 592 Mingjiang Bridge, the original two holes 10 meters of reinforced concrete beams (first, eleven holes), three holes 30 meters on steel plate beam (second, three, ten holes), 4 holes 26 meters on the steel plate beam (fourth, six, seven, nine holes), 2 holes 0.83 and 0.76 meters I-beam (fifth and eighth holes, that is, the difference between the steel tower piers short beam), a total length of 222.2 meters. Between the fourth and sixth holes, the seventh hole and the ninth hole on the main waterway are the British T-tower temporary piers. The rest are all permanent concrete abutments with a height of 18.5 meters (Figure 1).