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首页> 外文会议>International Conference on Computer Aided Optimum Design in Engineering; 2007; Myrtle Beach,SC(US) >VTOP - an improved software for design optimization of prestressed concrete beams
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VTOP - an improved software for design optimization of prestressed concrete beams

机译：VTOP-用于优化预应力混凝土梁设计的改进软件

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摘要

Optimum tendon layout of prefabricated prestressed concrete beams was an early application of design optimization methodologies. However, most of the approaches found in the literature were not suitable to be implemented in real life bridge engineering. To fill the existing gap research has been conducted in past years by the authors to optimize prefabricated concrete beams formulating the problem in such a way that could be applied directly by bridge designers in beam and slab bridge decks. The software produced, labelled VTOP, contains the necessary capabilities for daily applications and possesses a user friendly graphical interface. This paper describes the problem formulation carried out and includes several examples to show the efficiency of the computer code implemented. Some of them are examples of single prefabricated concrete beams, and also an example showing the overall analysis of a bridge deck and the subsequent optimization of the prefabricated beam subjected to the internal forces produced by the external loading is included in the paper.
机译：预制预应力混凝土梁的最佳腱布置是设计优化方法的早期应用。但是，文献中发现的大多数方法都不适合在现实生活中的桥梁工程中实施。为了填补现有的空白，作者们在过去的几年中进行了研究，以优化预制混凝土梁来解决问题，这种方式可以由桥梁设计人员直接应用于梁桥和平板桥面。所生产的标记为VTOP的软件包含日常应用所需的功能，并具有用户友好的图形界面。本文描述了所执行的问题的表述，并包括几个示例来说明所实现的计算机代码的效率。其中一些是单个预制混凝土梁的示例，并且还包括一个示例，该示例显示了桥面板的整体分析以及在受到外部荷载产生的内力作用下对预制梁的后续优化。

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