SEISMOLOGY AND GEOLOGY ›› 1995, Vol. 17 ›› Issue (3): 285-288.

• Brief Report • Previous Articles    

χ2TEST OF NORMAL DISTRIBUTION FOR THE RATIO OF DAMAGED HOUSES IN XINGTAI EARTHQUAKE

Cheng Jiayu   

  1. Institute of Geology, SSB, Beijing 100029
  • Received:1993-11-30 Revised:1995-03-31 Online:1995-09-06 Published:2009-11-25

邢台地震房屋破坏率的正态性χ2检验

程家喻   

  1. 国家地震局地质研究所, 北京 100029

Abstract:

The data of damaged houses in Xingtai earthquake,Hebei Province,on March 8 and 22,1966,were collected,and ratios of the collapsed,severely damaged,and moderately damaged a-bode houses in intensit Ⅶ and Ⅸ ares were calculated,respectively. χ2test shows that the prob-abilistic distribution of the ratios of collapsed,severely dameged and mederately damaged houses in indensity Ⅶ and Ⅷ areas fellows a normal distribution.

Key words: Earthquake site investigation, Normal distribution, Hazard forecast

摘要:

对1966年3月8日和3月22日台地震中的房屋破坏情况进行统计,计算了地震区主要房屋土坯墙房在Ⅳ~Ⅸ度中的毁坏率、严重破坏率和中等破坏率。通过χ2检验得出,Ⅵ度和Ⅸ度区房屋毁坏率、严重破坏率和中等破坏率的分布均服从正态分布。

关键词: 地震现场调查, 正态分布, 灾害预测