弯折设计预制、预应力超高性能混凝土构件

IF 0.9 4区工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY PCI Journal Pub Date : 2020-11-01 DOI:10.15554/pcij65.6-02

Chungwook Sim, M. Tadros, D. Gee, Micheal Asaad

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引用次数: 7

摘要

■ 本文提出了预制、预张拉超高性能混凝土构件的抗弯设计建议，包括试验验证和数值算例。实验程序包括三个例子：一个预制预应力混凝土I型梁；预制预应力混凝土楼板；以及预制预应力混凝土桥梁箱梁。介绍了一个250英尺（76.2米）长的I型梁的综合设计实例。设计电子表格可在线获取，以帮助设计师实施建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Flexural design of precast, prestressed ultra-high-performance concrete members

■ This paper proposes flexural design recommendations for precast, pretensioned ultra-high-performance concrete members, including experimental verification and numerical examples. The experimental program includes three examples: a precast, prestressed concrete decked I-beam; a precast, prestressed concrete floor slab; and a precast, prestressed concrete bridge box beam. A comprehensive design example of a 250 ft (76.2 m) long decked I-beam is presented. A design spreadsheet is available online to aid designers in implementing the proposed recommendations.

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