PCI BM 20-25 桥梁设计手册第20章 预制预应力混凝土桩 2025 Bridge Design Manual Chapter 20 PRECAST PRESTRESSED CONCRETE PILES

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PRECAST PRESTRESSED
CONCRETE PILES
Chapter 20
Bridge Design Manual
Fourth Edition, Second Release
2025
Publication Number
BM 20-25
This new publication is a comprehensive presentation
of practical information on current design, detailing,
fabrication, transportation, and installation
procedures for prestressed concrete piles used to
support buildings, bridges, marine, or other ancillary
structures.
It was rst printed in the Precast/Prestressed Concrete
Institute Bridge Design Manual (MNL-133) as Chapter
20, Precast Prestressed Concrete Piles in 2004 and
will be included in the PCI Bridge Design Manual,
Fourth Edition, Second Release in 2025. It is reprinted
in this form as a convenience for designers and others
with an interest in precast, prestressed concrete piles.
The Fourth Edition, Second Release is updated
to comply with the AASHTO LRFD Bridge Design
Specications ninth edition and the recommendations
and commentary of ANSI/PCI 142-24, Specication
for Precast, Prestressed Concrete Piles. Example
problems are presented in accordance with both
documents. The PCI Pile Interaction-Diagram
Spreadsheet (PCI PD-01), (PCI PD-01, 2015) is used
to construct axial load-and-moment interaction
diagrams.
This page intentionally left blank
BM 20-25
Bridge Design Manual Chapter 20
Precast, Prestressed Concrete Piles
Copyright © 2025
Precast/Prestressed Concrete Institute
First Edition, First Printing, 2004
Second Edition, First Printing, 2025
All rights reserved.
No part of this printed or electronic document may be reproduced
in any form without the written permission of
the Precast/Prestressed Concrete Institute
ISBN Print: 979-8-9902444-3-6
ISBN ebook: 979-8-9902444-4-3
https://doi.org/10.15554/pci.mnl-133-23/ch20
Substantial effort has been made to ensure that all data and information in this manual are accurate.
However, PCI cannot accept responsibility for any errors or oversights or for the use of material. The user
must recognize that no publication can substitute for experienced judgment. This document is intended for
use by personnel who are competent to evaluate the significance and limitations of its contents and able to
accept responsibility for the application of the material it contains.
This material is disseminated under the sponsorship of the Precast/Prestressed Concrete Institute (PCI) in
the interest of information exchange. The Institute, its staff and members assume no liability for the use of
the information. PCI does not endorse products or manufacturers. Trademarks or manufacturers’ names
appear in this material only because they are considered essential to the objective of the material. They are
included for informational purposes only and are not intended to reflect a preference, approval, or
endorsement of any one product or entity.
Printed in the U.S.A.

标签： #预应力 #混凝土 #预应力混凝土

摘要：

本内容聚焦于PCI BM 20-25《桥梁设计手册第20章：预制预应力混凝土桩（2025版）》，详细阐述了预制预应力混凝土桩在桥梁基础设计中的关键应用、技术规范与施工要点。该章节为桥梁工程师、设计院及施工单位提供了标准化指南，涵盖桩型选择、承载力计算、预应力筋配置、抗腐蚀措施以及抗震性能优化等核心内容。通过遵循2025年最新修订标准，用户可确保桩基设计满足耐久性与安全要求，同时提升施工效率与成本控制能力。本指南适用于新建桥梁及既有结构加固项目，是桥梁工程领域权威的参考资源。

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