巴卡兰·巴斯蒂德桥(Bacalan Bastide Bridge)位于法国波尔多市,跨越加伦河,全长433m,是一座5跨升降式开启桥(见图1),正中间跨为开启跨,长117m,其余4跨长62～81m。桥面宽50m,布置4条车道、2条轻轨线、2条人行道。该桥的开启跨开启后,桥下通航净空可达53m,通航净宽达106m。尽管开启跨的使用率并不是很高(每年开启次数为60次左右),但是在不开启 Bacalan Bastide Bridge is located in Bordeaux, France, across the Garonne River, a total length of 433m, is a 5-span lift open bridge (see Figure 1), is the middle span to open the span, long 117m, the remaining 4 span 62 ~ 81m. Bridge width 50m, layout 4 lanes, 2 light rail lines, 2 sidewalks. After opening the bridge across the open, the navigable clearance of the bridge up to 53m, Navigator net width of 106m. Although the usage of the open cross-over is not very high (about 60 times a year), but not open