核心简 环带桁架 径向桁架 伸臂桁架 巨型柱 (a)整体模型 b)4区模型 图17上海中心大厦结构弹塑性分析模型
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2.1 Introduction to describe fundamentals which have to be taken into account in the design of composite structures The fundamental objectives of structural design:to provide a structure which is safe and serviceable to use,economical to build and maintain,and which satisfactorily performs its intended function. All design rules,whatever the philosophy,aim to assist the designer to fulfill these basic requirements
2.1 Introduction • to describe fundamentals which have to be taken into account in the design of composite structures • The fundamental objectives of structural design: to provide a structure which is safe and serviceable to use, economical to build and maintain, and which satisfactorily performs its intended function. • All design rules, whatever the philosophy, aim to assist the designer to fulfill these basic requirements