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earthquake prone region
相关语句
  相似匹配句对
     Earthquake
     地震
短句来源
     EARTHQUAKE
     日本防震与大地震
短句来源
     EARTHQUAKE PRONE AREAS OF BEIJING AND ITS VICINITY
     用模式识别方法确定北京及其邻近地区易发生地震的地点
短句来源
     PREASSESSMENT EARTHQUAKE DAMAGE OF BUILDINGS IN LIQUEFACTION PRONE AREA
     液化地区房屋震害预测
短句来源
     AN IMPROVEMENT ON THE CONSECUTIVE HAMMING METHOD AND ITS APPLICATION TO DECIDING THE EARTHQUAKE-PRONE REGIONS
     对连续Hamming方法的改进及其在潜在震源判定中的应用
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  earthquake prone region
Knowledge of seismic active earth pressure behind rigid retaining wall is very important in the design of retaining wall in earthquake prone region.
      
This paper aims to analyse the geoelectrical resistivityρs data on the dipole electrode sounding, which were firstly accumulated from the earthquake prone region in China.
      
Dipole electrode sounding in earthquake prone region
      


In this paper we propose a pattern recognition method, the improved consecutive Hamming method (ICHAM). It ameliorates the Hamming Method using consecutive data in two aspects: (1) considering the more general case, we compute the Hamming kernel using samples which belong to the class of small variance; (2) The algorithm computing the Hamming Kernel is improved so that it locates in the center of the class that the variance is small.An example, deciding the earthquake-prone regions of Beijing...

In this paper we propose a pattern recognition method, the improved consecutive Hamming method (ICHAM). It ameliorates the Hamming Method using consecutive data in two aspects: (1) considering the more general case, we compute the Hamming kernel using samples which belong to the class of small variance; (2) The algorithm computing the Hamming Kernel is improved so that it locates in the center of the class that the variance is small.An example, deciding the earthquake-prone regions of Beijing and its vicinity by the ICHAM method is shown in this paper. The results show that the effect of our ICHAM method is better than that of both the binary Hamming method and the original consecutive Hamming method. Tests show that the results are more stable.

本文提出了一种模式识别方法——改进的连续Hamming方法(ICHAM)。它从下面两个方面对使用连续资料的Hamming方法进行了改进。 1)考虑到更为一般的样品分布情况,用方差较小的那类样品计算Hamming核; 2)改进了对Hamming核的计算方法,使之处于方差较小的这一类样品的中心。 文中还给出了ICHAM法应用于北京及邻区潜在震源判定的实例。结果表明,其效果比二值Hamming方法及原来未改进的连续Hamming方法都好一些。检验表明结果较为稳定。

Using the modified Cora-3 pattern recognition algorithm established by I.M.Gel-fand et al., we have studied the related date in tectonics, geomorphology and geophysics to identify destructive earthquake-prone regions in East China(30°-35°N, 116°-123°E). The results are satisfactory.Seven D (Dangerous) and eight N (Non-dangerous) "characteristic traits" are selected from sixteen original features. The geological meanings of the traits are analyzed. It shows that destructive earthquakes...

Using the modified Cora-3 pattern recognition algorithm established by I.M.Gel-fand et al., we have studied the related date in tectonics, geomorphology and geophysics to identify destructive earthquake-prone regions in East China(30°-35°N, 116°-123°E). The results are satisfactory.Seven D (Dangerous) and eight N (Non-dangerous) "characteristic traits" are selected from sixteen original features. The geological meanings of the traits are analyzed. It shows that destructive earthquakes in East China often occur in such regions as inside subsidence areas during the neotectonic period, inside or in the margin of Cretaceous or Cainozoic structural/faulted-down basins, near the boundaries of the blocks having vertical neotectonic movement of contrasting nature, as well as where there are abundant active faults. In the above-mentioned regions some degree of geophysical anomalies generally appears at the same time.The mis-identifying rate in the course of "Voting" is low. By voting we have zoned five earthquake-prone regions in East China. The conclusions are confirmed by the control experiments.

按I.M.Gelland等人建立的模式识别Cora-3修改算法研究华东地区的地质构造、地貌和地球物理特征并用于识别本地区破坏性地震。破坏性地震易发生在新构造运动的沉降区内、白垩纪或新生代构造(断陷)盆地的内部或边缘、新构造垂直差异运动的地质块体边界附近以及活动断层数较多的地方。 “投票”结果表明误识率较低(ε=0.061—0.098)。根据“投票”结果,划分出五个D节点相对密集的地震危险区。 控制试验表明识别结果是比较稳定和可靠的。

WT5BZ]Based on the latest result in research on 3D seismic wave velocity structure of crust and uppermost mantle and taking geological setting and fracture zones into consideration, a 3D geological model for the studied region is built up. The boundary constraint and force loading boundary condition for the model are determined according to the characteristics of crustal stress field deduced from earthquake focal mechanism and in situ stress measurement data. Using linear elastic material model...

WT5BZ]Based on the latest result in research on 3D seismic wave velocity structure of crust and uppermost mantle and taking geological setting and fracture zones into consideration, a 3D geological model for the studied region is built up. The boundary constraint and force loading boundary condition for the model are determined according to the characteristics of crustal stress field deduced from earthquake focal mechanism and in situ stress measurement data. Using linear elastic material model a 3D finite element simulation is conducted to study the characteristics of crustal stress field. A comparison analysis between the simulated stress field and earthquake locations reveals that the moderate and strong earthquakes generally occurred in the zones with high shear stress gradient. Furthermore, the paper notices a few potential earthquake prone regions.

依据最新的辽宁及其邻近地区地壳上地幔三维地震波速结构 ,并考虑地质构造、断裂以及地壳深部的构造环境等因素 ,建立研究区的三维地质模型 ;结合震源机制解与原地应力测量资料 ,分析区域现代地应力场特征 ,确定了研究区的边界约束和动力边界条件 .在以上基础上 ,采用线弹性介质模型进行研究区三维构造应力场的有限元数值模拟 ,探讨研究区地壳应力场的基本特征 .对比分析表明 ,本区地壳内应力场的三维有限元数值模拟结果与已发生的地震有着较好的对应关系 ,并指出了值得注意的有潜在发震可能的地震危险区

 
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