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砌体结构地震破坏程度的估计研究 被引量:6

THE ESTIMATE RESEARCH ON SEISMIC DAMAGE DEGREE OF MASONRY BUILDING
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摘要 砌体结构房屋的设计表现为建筑布置决定结构墙体的数量及面积。在地震作用下,基底剪力由地震方向的墙体承担,墙体数量越多,墙体面积越大,房屋抗震能力就越强,墙体面积对砌体结构抗震研究有着至关重要的影响。研究这一问题的主要途径之一就是从地震震害中找出墙体面积与结构破坏之间的规律,通过对2008年汶川地震中大量震损房屋震害的分析,研究了墙体面积与结构破坏程度之间的关系,以及在现有砌体结构抗震性能评估理论的基础上,提出了一个基于墙体面积大小的指标来估计砌体结构的在地震下的破坏程度。将该指标应用于一幢多层砌体结构房屋的抗震性能评估中,并通过与现场震害的对比说明了该指标的合理性,结果表明,该评估指标可以用于估计砌体结构的破坏程度。 The building layout determines the number of structural wall and wall area in the design of a masonry structure building.In the earthquake,the seismic force is taken by the wall in the direction of earthquake.The larger the wall area,the stronger the seismic capacity.Therefore,the wall area has a critical influence on masonry seismic research.One of the main ways for studying this problem is to find out the rules between the wall area and structure damage the earthquake.By analyzing of a large number of damage houses in the Wenchuan earthquake in 2008,the relationship of the wall area and buildings damage was studied,and based on the existing theory of masonry structure seismic performance assessment,the indicator of the wall areas was proposed to estimate the seismic damage degree of masonry structures.The indicator was applied to the seismic performance evaluation of a multi-storey masonry structure housing,this indicator was reasonable through comparing the on-site damage,the result showed the indicator could estimate the damage degree of the masonry buildings.
出处 《工业建筑》 CSCD 北大核心 2013年第2期39-44,共6页 Industrial Construction
基金 中央高校基本科研业务费专项资金项目(5WJTU12CX078) 西南交通大学青年老师百人计划项目(SWJTU09BR047)
关键词 砌体结构 墙体数量 汶川地震 破坏程度 估计 masonry building the number of wall Wenchuan earthquake damage degree estimate
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同被引文献37

  • 1曹资,薛素铎,王雪生,刘迎春.空间结构抗震分析中的地震波选取与阻尼比取值[J].空间结构,2008,14(3):3-8. 被引量:38
  • 2王毅红,苏东君,刘伯权,池家祥,刘挺.生土结构房屋的承重夯土墙体抗震性能试验研究[J].西安建筑科技大学学报(自然科学版),2007,39(4):451-456. 被引量:42
  • 3Yuan J L, Li S C. Study of the seismic damage regularity of ancient masonry pagodas in the 2008 Wenchuan Earthquake [C]//WIT Transactions on the Built Environment-Earthquake Resistant Engineering Structures, 2013, 132: 421-432.
  • 4谌壮丽,王桢.古塔纠倾加固技术[M].北京:中国铁道出版社,2011.
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  • 7Akin S, Kuran F, Anil O, et al. Rehabilitation ofheavily earthquake damaged masonry building using steel straps [J]. Structural Engineering and Mechanics, 2008, 30(6): 651-664.
  • 8Akhaveissy A H, Milani G. A numerical model for the analysis of masonry walls in-plane loaded and strengthened with steel bars [J]. International Journal of Mechanical Sciences, 2013, 72: 13-27.
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