摘要
本文分析了新疆轮台县开发场区外围３００ｋｍ范围内的区域地震活动性及地震地质背景，划分出８个潜在震源，采用Ａ．Ｈ－Ｓ．Ａｕｇ提出的断层－破裂模型对场区作了地震危险性分析。计算表明，在给定５０年工程期限，超越概率为１０％时的场地烈度为７．３，相应最大地震影响系数为０．１５８。该结果可作为抗震设计的依据。
In this paper, the seismologic background and seismic activityof the area within 300 km around the developed district were discussed. Then & potential seismic sources were recognized and the seismic risk was computed based on the fault-rupture model by A. H-S/Ang. The result suggest that the basic intensity is 7. 3 degree while the given period is 50 years and the probability of exceedance is 0. 1. Accordingly the coefficient ofmaximum seismic effect is 0. 158 which could be the basic parameter for seismic design. The effect of sesmiseson the site is mainly from Tianshan seismic zone to the north of the site, in which the -main seismic faults areKashihe fault, Bolehluo fault, Qiulitagei fault and Beilunai-Xinger fault.
