论文部分内容阅读
番禺洛溪大桥是广州市南出口公路,同时也是105国道上跨越珠江主航道的第一座特大桥梁。桥梁全长1916.04米,其中跨越珠江的主桥长480米。珠江的通航要求为净宽120米,净空高(通航水位以上)34米。通航的船舶吨位要求确保5000吨海轮的自由进出,照顾7000吨海轮的通过。为此我们对实际过往船舶作了重点调查(4000t以上80艘)调查结果说明本航道上的船舶吨位大,船型多,且来往频繁,确实需要有这样的通航标准。根据航道位置及航向,确定主桥的跨径组合为65+125+180+110米,其中125米跨是为了方便附近修船厂船舶调头的需要。主桥的结
Panyu Luoxi Bridge is the southern exit road of Guangzhou City and the first large bridge across the Pearl River Main Channel on National Highway No. 105. The bridge is 1916.04 meters in length, of which the main bridge across the Pearl River 480 meters long. The navigation requirements of the Pearl River is 120 meters wide and has a clear headroom of 34 meters above sea level. Navigable tonnage requirements to ensure the freedom of access to 5,000 tons of seagoing vessels to take care of the passage of 7000 tons of seagoing vessels. To this end, we made a survey of the actual passing ships (over 80,000 in 4000t). The survey results show that the ships in this fairway have large tonnage, many ships and frequent contacts and do need such navigation standards. According to the channel position and heading, it is determined that the span of the main bridge is 65 + 125 + 180 + 110 meters, of which 125 meters is for the convenience of the shipyard near the shipyard. The main bridge of the knot