地震工程学报
地震工程學報
지진공정학보
China Earthquake Engineering Journal
2014年
3期
608-615
,共8页
瀑布沟水库%非弹性衰减%场地响应%震源参数%爆破地震
瀑佈溝水庫%非彈性衰減%場地響應%震源參數%爆破地震
폭포구수고%비탄성쇠감%장지향응%진원삼수%폭파지진
Pubugou reservoir%inelastic attenuation%site response%source parameter%blasting vibration
利用数字地震台网2007年1月到2011年12月记录到的瀑布沟水库及邻区地震波形资料，采用 Atkinson 方法计算了库区介质品质因子；并利用 Moya 方法计算了台站场地响应；在获得介质品质因子和台站场地响应的基础上联合反演计算了瀑布沟库区67次构造地震和208次爆破地震的震源波谱参数，同时讨论了它们的时空特征。结果表明：瀑布沟库区 Q 值与频率的关系为 Q (f )=47.1*f 0
利用數字地震檯網2007年1月到2011年12月記錄到的瀑佈溝水庫及鄰區地震波形資料，採用 Atkinson 方法計算瞭庫區介質品質因子；併利用 Moya 方法計算瞭檯站場地響應；在穫得介質品質因子和檯站場地響應的基礎上聯閤反縯計算瞭瀑佈溝庫區67次構造地震和208次爆破地震的震源波譜參數，同時討論瞭它們的時空特徵。結果錶明：瀑佈溝庫區 Q 值與頻率的關繫為 Q (f )=47.1*f 0
이용수자지진태망2007년1월도2011년12월기록도적폭포구수고급린구지진파형자료，채용 Atkinson 방법계산료고구개질품질인자；병이용 Moya 방법계산료태참장지향응；재획득개질품질인자화태참장지향응적기출상연합반연계산료폭포구고구67차구조지진화208차폭파지진적진원파보삼수，동시토론료타문적시공특정。결과표명：폭포구고구 Q 치여빈솔적관계위 Q (f )=47.1*f 0
On the basis of digital seismograms recorded by the Pubugou reservoir digital seismic network,we obtained the nonelastic coefficient of Pubugou reservoir area by using the method proposed by Atkinson.The site response of each station was obtained by using the Moya method. The frequency-dependent Q (f )at the reservoir area is estimated as Q (f )=47.1 *f 0 .92 ;the site response of each station is approximately 1.0,showing little amplification.On the basis of the Q (f )and the site responses,we detected approximately 67 tectonic earthquakes and 208 source pa-rameters of blasting shocks by using the Atkinson inversion method.The results show obvious differences in the source parameters of the tectonic earthquakes and blast shocks.The parameters near the reservoir dam area and Hanyuan County were lower because of the blasting vibration.
