与建筑师努力追求将建筑物修筑得更高类似,桥梁工程师热衷于创造桥梁跨径世界纪录。笔者漫笔世界桥梁近几个世纪以来桥梁跨径演变缩影,展示桥梁跨径世界纪录发展态势,并简要辨析了大跨径桥梁设计关键要素,以此给予桥梁工程师们不可或缺的创造激励。 Similar to architects’ efforts to pursue higher building construction, bridge engineers are keen to create a bridge spanning world record. The author goes all out to bridge the world bridge in recent years, the bridge span evolution microcosm shows the development trend of the bridge span world records, and briefly identify the key elements of long-span bridge design, in order to give bridge engineers indispensable to create incentives.