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首页> 外文期刊>Journal of bridge engineering >Prestressed Pile to Bent Cap Connections: Seismic Performance of a Full-Scale Three-Pile Specimen
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Prestressed Pile to Bent Cap Connections: Seismic Performance of a Full-Scale Three-Pile Specimen

机译：预应力桩与弯管帽连接：完整三桩试样的抗震性能

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摘要

The South Carolina DOT employs a detail in which piles are plainly embedded into bent caps without the use of any special detailing to the pile. The behavior of these connections is of special concern in areas where seismic activity poses a threat to infrastructure. This paper discusses the experimental results of a full-scale three-pile bent specimen subjected to a modified earthquake displacement history. This study is significant in the type of loading applied, the scale of the specimen, the inclusion of multiple piles, and the evaluation of differing bent cap reinforcement designs. The specimen was the culmination of an experimental research effort that included eight full-scale single-pile specimens. Results of the full-scale experiment and a numerical model are used for evaluation of the connection as well as comparison between differing reinforcement designs at exterior ends of the bent cap. These results include concrete cracking and spalling, strand slippage, ductility, and the amount of confinement at each connection.
机译：南卡罗来纳州DOT采用了一个细节，其中将桩简单地嵌入弯曲的帽盖中，而无需对桩使用任何特殊的细节。在地震活动对基础设施构成威胁的地区，这些连接的行为尤为重要。本文讨论了经过修改的地震位移历史的全尺寸三桩弯曲试样的实验结果。这项研究对于施加的载荷类型，标本的大小，包含多个桩以及评估不同的弯曲帽盖加固设计具有重要意义。该标本是一项实验研究成果的高潮，其中包括八个全尺寸单桩标本。全面试验的结果和数值模型用于评估连接以及在弯曲帽外端的不同加固设计之间进行比较。这些结果包括混凝土开裂和剥落，钢绞线滑移，延展性以及每个连接处的约束量。

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  • 来源
    《Journal of bridge engineering》 |2014年第3期|04013012.1-04013012.10|共10页
  • 作者

    Aaron Larosche; Mark Cukrov; David Sanders; Paul Ziehl;

  • 作者单位

    Dept. of Civil and Environmental Engineering, Univ. of South Carolina, Columbia, SC 29208;

    Dept. of Civil and Environmental Engineering, Univ. of Nevada Reno, Reno, NV 89557;

    Dept. of Civil and Environmental Engineering, Univ. of Nevada Reno, Reno, NV 89557;

    Dept of Civil and Environmental Engineering, Univ. of South Carolina, Columbia, SC 29208;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Plain pile embedment; Full scale; Seismic; Prestressed;

    机译：平桩埋设;全尺寸地震预应力;

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