不同仪器烈度算法在四川地区 历次地震中的比较应用

朱永莉 黎大虎 龙承厚 孙泽涛

朱永莉, 黎大虎, 龙承厚, 孙泽涛. 2015: 不同仪器烈度算法在四川地区 历次地震中的比较应用. 地震学报, 37(2): 335-346. doi: 10.11939/jass.2015.02.013
引用本文: 朱永莉, 黎大虎, 龙承厚, 孙泽涛. 2015: 不同仪器烈度算法在四川地区 历次地震中的比较应用. 地震学报, 37(2): 335-346. doi: 10.11939/jass.2015.02.013
Zhu Yongli, Li Dahu, Long Chenghou, Sun Zetao. 2015: Comparative study of different instrumental intensity algorithms for the earthquakes in Sichuan region. Acta Seismologica Sinica, 37(2): 335-346. doi: 10.11939/jass.2015.02.013
Citation: Zhu Yongli, Li Dahu, Long Chenghou, Sun Zetao. 2015: Comparative study of different instrumental intensity algorithms for the earthquakes in Sichuan region. Acta Seismologica Sinica, 37(2): 335-346. doi: 10.11939/jass.2015.02.013

不同仪器烈度算法在四川地区 历次地震中的比较应用

doi: 10.11939/jass.2015.02.013
基金项目: 四川省地震局地震科技专项项目(LY1401)资助.
详细信息
    通讯作者:

    朱永莉, E-mail: ZYL_EQ@163.com

  • 中图分类号: P315.9

Comparative study of different instrumental intensity algorithms for the earthquakes in Sichuan region

  • 摘要: 强震观测资料包括强震动时程记录资料和宏观震害调查资料两大类, 前者是定量的微观数据, 后者则是定性的宏观指标. 本文明晰给出了微观仪器烈度与宏观仪器烈度、 微观考察烈度与宏观考察烈度的概念, 并在此基础上提出了只有在宏观仪器烈度与宏观考察烈度之间进行比较才具有实质性的意义;同时对国内外常见的仪器烈度算法进行了比较性研究, 得出了袁一凡仪器烈度算法可靠性更高的结论;最后以四川地区历年来重要震例的强震动记录为依据, 对修正的袁一凡仪器烈度算法的可靠性进行了比较应用. 结果表明, 对袁一凡仪器烈度算法修正与扩展的应用是可行的, 同时也验证了将微观仪器烈度与宏观考察烈度直接进行比较会存在较大的差距.

     

  • 图  1  典型大震、 小震和近震的加速度时程(a)汶川MS8.0地震051MZQ台站水平合成记录;(b)炉霍MS5.3地震051LHT台站水平合成记录;(c)上海MS1.1地震白莲泾台站垂直向记录

    Figure  1.  Acceleration time histories for typical large,small and near earthquakes(a)Horizontal component synthetic record of Wenchuan MS8.0 earthquake at the station 051MZQ;(b)Horizontal component synthetic record of Luhuo MS5.3 earthquake at the station 051LHT;(c)Vertical component record of Shanghai MS1.1 earthquake at the station Bailianjing

    图  2  各国(地区)的地震烈度标准比较(a)由PGA或EPA计算的地震烈度;(b)由PGV或EPV计算的地震烈度

    Figure  2.  Comparison of seismic intensity st and ards for different countries(areas)(a)Seismic intensity calculated by PGA or EPA;(b)Seismic intensity calculated by PGV or EPV

    图  3  汶川地震宏观仪器烈度(a)、 宏观考察烈度(b)及其与微观仪器烈度比较(c)

    Figure  3.  Macroscopic instrumental intensity map(a),macroscopic inspection intensity map(b) and its comparison with microscopic instrumental intensity(c)of Wenchuan earthquake

    图  4  攀枝花地震宏观仪器烈度(a)、 宏观考察烈度(b)及其与微观仪器烈度比较(c)

    Figure  4.  Macroscopic instrumental intensity map(a),macroscopic inspection intensity map(b) and its comparison with microscopic instrumental intensity(c)of Panzhihua earthquake

    图  5  芦山地震宏观仪器烈度(a)、 宏观考察烈度(b)及其与微观仪器烈度比较(c)

    Figure  5.  Macroscopic instrumental intensity map(a),macroscopic inspection intensity map(b) and its comparison with microscopic instrumental intensity(c)of Lushan earthquake

    图  6  051BXD台站记录的未校正加速度时程

    Figure  6.  Uncorrected acceleration time histories recorded by the station 051BXD

    图  7  宝兴中学观测点记录的未校正加速度时程

    Figure  7.  Uncorrected acceleration time histories reco-rded by the Baoxing middle school observation point

    图  8  051BXD台站与宝兴中学观测点记录的反应谱比较

    Figure  8.  Uncorrected acceleration time histories reco-rded by the Baoxing middle school observation point

    图  9  051BXD台站及其附近的震害示意图(温瑞智等,2013)① 6层框架剪力墙(1995年建)基本完好;② 6层框架剪力墙(1990年建)严重破坏;③ 6层框架剪力墙(1995年建)基本完好;④ 4层框架剪力墙(1995年建)基本完好;⑤ 051BXD台站观测室完好;⑥ 2层砌体结构(1970年建)严重破坏

    Figure  9.  UncorrectedDamage schematic diagram at the station 051BXD and its surrounding areas(after Wen et al,2013)① 6-storey frame-shear wall built in 1995 was intact; ② 6-storey frame-shear wall built in 1990 subjected to severe damage; ③ 6-storey frame-shear wall built in 1995 was intact; ④ 4-storey frame-shear wall built in 1995 was intact; ⑤ The strong motion observation station 051BXD was intact; ⑥ 2-storey masonry structure built in 1970 subjected to severe damage

    表  1  汶川MS8.0地震微观仪器烈度与宏观考察烈度的比较

    Table  1.   Comparison of microscopic instrumental intensity with macroscopic inspection intensity for Wenchuan MS8.0 earthquake

    表  2  攀枝花MS6.1地震微观仪器烈度与宏观考察烈度的比较

    Table  2.   Comparison of microscopic instrumental intensity with macroscopic inspection intensity for Panzhihua MS6.1 earthquake

    表  3  芦山MS7.0地震微观仪器烈度与宏观考察烈度的比较

    Table  3.   Comparison of microscopic instrumental intensity with macroscopic inspection intensity for Lushan MS7.0 earthquake

    表  4  芦山MS7.0地震051BXD台站及宝兴中学观测点所记录的未校正强震动参数

    Table  4.   Uncorrected strong motion parameters of Lushan MS7.0 earthquake recorded by the station 051BXD and Baoxing middle school observation point

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出版历程
  • 收稿日期:  2014-06-23
  • 修回日期:  2014-11-07
  • 刊出日期:  2015-03-01

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