大连市30万t进口原油码头工程栈桥桥型方案选择

Bridge plan selection for the trestle bridge of 300000t in Dalian

大连市 30万 t进口原油码头工程栈桥共有 4个设计方案 ,即 :利用近点的单塔斜拉桥方案、利用浅点的单塔斜拉桥方案、下承式钢管混凝土系杆拱方案、预应力简支梁桥方案 .介绍了 4种桥型方案的选择原则、方案设计及方案比选 .经综合比较认为第一方案经济合理、美观新颖 ,所以将其作为本工程的推荐方案 .

There are four design plans for the trestle bridge of 300 000 t mark in Dalian, such as fan shaped cable stayed bridge with one tower,lyrate cable stayed bridge with one tower,steel tube concrete arch bridge,prestressed concrete simply supported girder bridge. The selective principle of four bridge plans, plan design and plan selections are introduced. The first plan is to be recommended because it is economical and appropriate for this project after the comprehensive analyses.