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Improvement of Tendon Layout for PSC Girders with Long Span

机译：大跨度PSC大梁的筋筋布置改进

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This study was conducted to develop 60 m span PSC girders with shallow depth considering theirrneconomic efficiency and constructability. A cross section of bulb-tee type with a half deck wasrnapplied to the PSC girders. Especially this paper looks carefully at effective ways to arrange therntendon for long span girders and also explains the decision making process. First, it wasrnpreferentially considered that tendons be arranged in a straight line for as long as possible. Second,rnthe division of the tendon layout was considered with two sections using the intermediate anchoragernzone. With this tendon layout, a PSC girder with span length of 60 m was developed in this study.rnThe full scale PSC girder was made for a four point bending test by static load. The test resultsrnshowed the effect of the tendon layout on long span PSC girders and the good structuralrnperformance of the girder.
机译：考虑到它们的经济效率和可施工性，本研究旨在开发深度较浅的60 m跨距PSC梁。在PSC大梁上安装了一个带半甲板的T型球型T型截面。特别是，本文仔细研究了大跨度梁的有效布置方法，并解释了决策过程。首先，优先考虑将肌腱尽可能长时间地排列在一条直线上。其次，使用中间锚固区将肌腱布局分为两部分。通过这种筋布置，本研究开发了跨距为60 m的PSC梁。制作了全尺寸PSC梁，以通过静载荷进行四点弯曲试验。试验结果表明，筋膜布置对大跨度PSC梁的影响以及梁的良好结构性能。

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