论文部分内容阅读
新澳凼大桥内、外港航道主桥三个通航孔的跨度均为112m,原设计桥型为 T 型结构,后按澳门政府的审批意见改为斜拉结构,变更后的结构仍具有挂跨,而锚固(衡重)跨的跨度则为了与高架连续梁主桥保持一致,采用35m。这样,两处航道主桥就成为布索简单而又独具一格的斜拉桥。斜拉桥拉索按双索面设置。有关航道主桥桥型选择、设计的合理性问题,本文不妄加评论,仅着重介绍其拉索束型及锚固体系的选定,防护型式的特点和安装、张拉(调索)工艺。
In the new Macau-Taipa Bridge, the three navigable ports of the main channel of the outer channel are both 112m in length. The original design of the bridge is T-shaped, and then changed to a cable-stayed structure according to the approval of the Macao government. The changed structure still has a hanging structure Span, while the anchoring (weighing) across the span in order to maintain the same with the overhead continuous main beam, using 35m. In this way, the two main waterway bridges have become simple and unique cable-stayed bridge. Cable stayed bridge cable set by double cable surface. This article does not make any comment on the rationality of the choice and design of the main bridge type of waterway, but only focuses on the characteristics of its selected and protected type of cable harness and anchoring system, and the installation, tensioning and adjusting process.