中日规范中关于液化和侧向扩流场地桥梁桩基抗震设计考虑之比较

凌贤长; 唐亮; 苏雷; 徐鹏举

doi:10.13409/j.cnki.jdpme.2011.05.003

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中日规范中关于液化和侧向扩流场地桥梁桩基抗震设计考虑之比较

论文 | 更新时间：2025-12-11

- 中日规范中关于液化和侧向扩流场地桥梁桩基抗震设计考虑之比较
- Comparison of Seismic Design Considerations Between Chinese and Japanese Seismic Design Codes for Bridge Pile Foundations in Liquefying Ground and Lateral Spreading Ground
- 防灾减灾工程学报 2011年31卷第5期页码：490-495+500
- 作者机构：
- 作者简介：
- 基金信息：
  
  国家自然科学基金重大研究计划项目（90815009）;交通部西部交通建设科技项目（2009318000100）;教育部留学回国人员科研启动基金项目（2010年第37批）资助
- DOI：10.13409/j.cnki.jdpme.2011.05.003
  中图分类号： 442.55
- 纸质出版：2011
- 稿件说明：
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[1]凌贤长,唐亮,苏雷,徐鹏举.中日规范中关于液化和侧向扩流场地桥梁桩基抗震设计考虑之比较[J].防灾减灾工程学报,2011,31(05):490-495+500.

凌贤长, 唐亮, 苏雷, et al. Comparison of Seismic Design Considerations Between Chinese and Japanese Seismic Design Codes for Bridge Pile Foundations in Liquefying Ground and Lateral Spreading Ground[J]. 2011, 31(5): 490-495+500.
[1]凌贤长,唐亮,苏雷,徐鹏举.中日规范中关于液化和侧向扩流场地桥梁桩基抗震设计考虑之比较[J].防灾减灾工程学报,2011,31(05):490-495+500. DOI： 10.13409/j.cnki.jdpme.2011.05.003.

凌贤长, 唐亮, 苏雷, et al. Comparison of Seismic Design Considerations Between Chinese and Japanese Seismic Design Codes for Bridge Pile Foundations in Liquefying Ground and Lateral Spreading Ground[J]. 2011, 31(5): 490-495+500. DOI： 10.13409/j.cnki.jdpme.2011.05.003.

摘要

评述了我国液化场地和侧向扩流场地桥梁桩基抗震设计规范。总结了中日两国液化场地和侧向扩流场地桥梁桩基的抗震设计方法与技术细节

阐述了日本规范中液化场地和侧向扩流场地桥梁桩基抗震设计中的液化地基土反力折减系数的确定方法

以及土体液化侧向扩流对桩作用力的计算模式。指出我国规范中在液化和侧向扩流场地桩的抗震分析方法、不同土层分界处桩的抗震措施、桩的竖向承载力及桩的屈曲稳定性分析等方面存在的主要问题

据此给出了亟待改进的初步建议。这对我国桥梁工程的抗震安全性具有重要意义

可供我国工程技术人员参考借鉴。

Abstract

Firstly

this study briefly explains the current situation of Chinese seismic design codes for bridge pile foundations in liquefying and lateral spreading ground.The Chinese and the Japanese seismic design method and technical detail for bridge pile foundations in liquefying and lateral spreading ground are described and compared systematically and comprehensively

and the methods to determine the reduction factor of subgrade reaction as well as the computing mode of the applied force on piles due to liquefaction-induced lateral spreading of soil in Japanese design codes are especially introduced.Finally

some key problems of current Chinese design codes including seismic design method

vertical bearing capacity

buckling stability analysis and seismic measures near the soil dividing boundary for piles in liquefying and lateral spreading ground are generalized and the corresponding improvement suggestions are proposed.These will tend to improve the seismic safety of bridge engineering and provide certain reference values for our country’s engineering talents.

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references

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