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首页> 外文会议>Structural Engineers Association of California and Structural Engineers Association of New Mexico Convention 2012 >Structural Optimization in Steel Moment and Braced Frame Structures for Seismic and Wind Load cases
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Structural Optimization in Steel Moment and Braced Frame Structures for Seismic and Wind Load cases

机译：地震和风荷载作用下钢矩和支撑框架结构的结构优化

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摘要

This article presents a virtual work based optimization method for steel moment and braced frame structures subjected to wind and seismic loading. Virtual work based structural optimization concepts are generally used in limiting drift and building period by redistributing the steel in a given lateral force resisting system so that it resists the forces and displacements more efficiently. Limiting lateral drift and period is important in reducing damage occurring in structural and nonstructural elements, lateral accelerations and also in reducing second-order P-Delta effects. If this method is used with complete understanding, a cost reduction of structural steel framing in the building can be achieved in a couple of design and analysis iterations. This paper also presents a brief literature review on virtual work based optimization, the theoretical concepts behind this procedure and how it may be effectively used on design projects. The procedure has already been implemented in Bentley's RAM Structural System Frame Drift software which is used for example studies.
机译：本文提出了一种基于虚拟工作的钢制弯矩和支撑框架结构在风和地震作用下的优化方法。基于虚拟工作的结构优化概念通常用于通过在给定的横向抗力系统中重新分配钢来限制漂移和建造周期，从而使其更有效地抵抗力和位移。限制横向漂移和周期对于减少结构和非结构元素中发生的损坏，横向加速度以及减少二阶P-Delta效应很重要。如果完全理解该方法，则可以通过几次设计和分析迭代来降低建筑物中钢结构的成本。本文还提供了有关基于虚拟工作的优化，此过程背后的理论概念以及如何在设计项目中有效使用的简要文献综述。该程序已经在本特利的RAM结构系统框架漂移软件中实现，该软件用于示例研究。

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