预应力钢桁架优化设计  

Optimization Design of Prestressed Steel Trusses

作　　者：盛荣辉[1] 关贤军[1] 易发安[1] 

机构地区：[1]同济大学,上海200092

出　　处：《结构工程师》2004年第1期11-14,22,共5页Structural Engineers

摘　　要：预应力钢桁架优化设计不仅包括钢桁架杆件截面优化 ,还包括布索方案和预拉力值的优化。本文以造价作为目标函数 ,通过对一个预应力钢桁架工程实例的优化设计 ,取得了显著的经济效益 。Optimization design of prestressed steel trusses not only includes the optimization of sectional dimension of the bar but also the optimization of the different schemes of steel cables and the different pretensions of steel cables. In this paper, the targt function is the cost of prestressed steel trusses. The analysis of an example proves that the economic benefit of the optimization design is evident and the optimization design is significant in engineering design.

关 键 词：预应力钢桁架 优化设计 钢桁架 拉索 目标函数 

分 类 号：TU391[建筑科学—结构工程]