一座新的旧金山-奥克兰海湾大桥即将开始建设，以取代在1989年地震中损坏的旧桥。该桥采用自锚式单塔悬索结构，主跨3850m，列当今世界20多座同类桥梁之首。一旦投入使用，其抗震烈度即可达到8级以上。为了不影响景观及两岸的视野，该桥全面采用了视野开阔的钢结构。预期整座桥 A new San Francisco-Oakland Bay Bridge is about to begin construction to replace the damaged old bridge in the 1989 earthquake. The bridge using self-anchored single-tower suspension structure, the main span of 3850m, the column in today’s world more than 20 similar first bridge. Once put into use, its seismic intensity can reach 8 or more. In order not to affect the landscape and cross-Strait vision, the bridge fully adopted a broad vision of steel structure. The whole bridge is expected