Advances in Constructional Engineering
Advances in Constructional Engineering. 2025; 5: (1) ; 10.12208/j.ace.202500017 .
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四川省公路院工程监理有限公司 四川成都
*通讯作者： 罗建军,单位：四川省公路院工程监理有限公司 四川成都；
大跨度桥梁抗震设计是保障交通基础设施安全的关键环节。综述了当前抗震设计的现状与挑战，探讨了基于性能的设计理念、非线性分析技术以及隔震耗能技术等创新方法在提升桥梁抗震性能中的应用。通过多学科协同设计，结合场地条件、材料性能等因素，能够实现结构体系的整体优化。新建项目中的应用实践表明，这些方法有效提高了桥梁的抗震能力和韧性。未来，抗震设计将更加注重多灾种韧性、可持续性以及智能化发展，为桥梁工程提供更全面的抗震保障。
Seismic design for long-span bridges is a crucial element in ensuring the safety of transportation infrastructure. This paper reviews the current status and challenges of seismic design, and explores the application of innovative methods such as performance-based design concepts, nonlinear analysis techniques, and seismic isolation and energy dissipation technologies in enhancing bridge seismic performance. Through multidisciplinary collaborative design, which integrates factors such as site conditions and material properties, the overall optimization of the structural system can be achieved. The application practices in new construction projects demonstrate that these methods effectively improve the seismic capacity and resilience of bridges. In the future, seismic design will focus more on multi-hazard resilience, sustainability, and intelligent development, providing more comprehensive seismic protection for bridge engineering.
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