| 高烈度区重力式挡墙基于性能的抗震设计方法研究 |
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| 引用本文： | 韩鹏飞,隋孝民.高烈度区重力式挡墙基于性能的抗震设计方法研究[J].西北地震学报,2015,37(2):585-593,611. |
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| 作者姓名： | 韩鹏飞 隋孝民 |
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| 作者单位： | 铁道第三勘察设计院集团有限公司地质路基勘察设计研究院 |
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| 基金项目： | 国家西部课题(200831800098) |
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| 摘 要： | 介绍基于性能抗震设计的核心理念,以支挡结构震害调查分析为背景,阐述开展高烈度区重力式挡墙基于性能抗震设计研究的必要性;构建重力式挡墙基于性能的抗震设计框架,归类分析现行规范与基于性能抗震设计的关键技术问题;依据支挡结构震害调查及大型振动台模型试验,提出位移指数可作为衡量挡墙抗震性能的量化指标,确定重力式挡墙基于性能抗震设计的性能准则及流程;经对比计算基于性能与规范抗震设计的挡墙算例,显示基于性能抗震设计的优越性,为高烈度区重力式挡墙基于性能抗震设计的工程应用提出建议。
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| 关 键 词： | 高烈度区 性能设计 重力式挡土墙 位移指数 性能准则 |
| 收稿时间： | 2014/8/20 0:00:00 |
Performance-based Seismic Design of Gravity Retaining Walls in High Intensity Regions |
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| HAN Peng-Fei and SUI Xiao-min.Performance-based Seismic Design of Gravity Retaining Walls in High Intensity Regions[J].Northwestern Seismological Journal,2015,37(2):585-593,611. |
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| Authors: | HAN Peng-Fei and SUI Xiao-min |
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| Institution: | HAN Peng-Fei;SUI Xiao-min;Geology and Subgrade Design Department of The Third Railway Survey and Design Institute Group Corporation; |
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| Abstract: | In this paper,the core idea behind seismic performance-based design is first introduced.Based on a seismic damage survey of retaining walls,the research necessities of seismic performance-based design for gravity retaining walls in high seismic intensity areas are explained. For establishing a framework for seismic performance-based design methods,key technical problems of current specifications and seismic performance-based design methods are summarized.According to large-scale shaking table tests of retaining walls,conclusions about which displacement index can be used as a measure of the seismic performance of retaining walls are presented,along with the criteria and flows of seismic performance-based design methods.Through comparisons between seismic performance-based design methods and specifications of retaining wall examples,the advantages of seismic performance-based design methods are demonstrated.Finally,engineering application suggestions for seismic performance-based design of gravity retaining walls in high seismic intensity areas are proposed. |
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| Keywords: | high seismic intensity area performance-based design gravity retaining wall displacement index performance criteria |
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