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1 概况 横琴大桥是珠海特区第一座斜拉桥,它跨越在宽500m、深11m的马骝州水道上,是目前珠海市连接横琴岛唯一的交通枢纽。横琴地处珠江口两侧,四面环海,和澳门隔水相望,地理位置十分优越,横琴大桥是开发横琴岛最关键的基础工程。大桥全长1425.2m,桥宽35.4m,设有6个车道,是目前我国最宽的斜拉桥。主桥为2×120m单塔双索面的预应力混凝土结构,塔高85m,由上海市基础工程公司承建。 主桥采用单塔双索面和塔、梁、墩三者固结的斜
1 Overview Hengqin Bridge is the first cable-stayed bridge in the Zhuhai Special Economic Zone. It stretches over a 500-meter wide and 11-meter-wide Ma Dan waterway and is the only transportation hub connecting Zhuhai with Hengqin. Hengqin is located on both sides of the Pearl River Estuary, surrounded by the sea, and across the water from Macau, the geographical position is extremely advantageous, Hengqin Bridge is the development of the most critical infrastructure projects. Bridge length of 1425.2m, bridge width 35.4m, with 6 lanes, is currently the country’s widest cable-stayed bridge. The main bridge is a 2 × 120m single-tower, double-cable surface prestressed concrete structure with a tower height of 85m constructed by Shanghai Foundation Engineering Company. The main bridge with single tower double cable plane and towers, beams, pier consolidation of the three oblique