To construct the 1, 060-foot-long arch, they cast 24 feet of concrete at a time, while a separate, temporary cable-stayed bridge held up the unfinished ends until the gap was closed this year.
为了建造1060英尺长的拱结构，他们每次要浇铸24英尺长的混凝土块，与此同时，缆绳牵引的桥段的两端会在明年会合人。
Visitors scale the 440-foot-high steel arch of the Sydney Harbour Bridge, which offers unrivaled views of the city skyline.
悉尼生活方式图片。游客攀登440英尺高的钢拱支架的悉尼海港桥，那提供无比的城市天涯的视图。
The internal force of stone arch bridge in the course of cracking at arch foot was computed using the spatial finite beam element method.
采用空间梁单元对实际的石拱桥拱脚开裂现象进行了有限元模拟分析。
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