CAJ | 학술논문

利用山东数字地震台网记录资料,根据陈培善等用地震发生的断裂力学模式和震源谱理论,导出的震源处峰值加速度与构造环境剪应力值的关系,计算了山东长岛地区发生的中小地震构造环境剪应力值,并对应力场的分布状况和时空变化进行了分析。结果表明：剪应力τ值随矩震级（ML）的增大而增大,对两者作拟合得到它们之间较简单的关系为：τ=1.89 ML-1.76。在所研究的区域范围内,其构造环境剪应力τ值为1.0～6.0兆帕,与陈培善对3.0～5.5级地震的τ值多在4～8兆帕之间这一统计结果基本一致。
이용산동수자지진태망기록자료,근거진배선등용지진발생적단렬역학모식화진원보이론,도출적진원처봉치가속도여구조배경전응력치적관계,계산료산동장도지구발생적중소지진구조배경전응력치,병대응력장적분포상황화시공변화진행료분석。결과표명：전응력τ치수구진급（ML）적증대이증대,대량자작의합득도타문지간교간단적관계위：τ=1.89 ML-1.76。재소연구적구역범위내,기구조배경전응력τ치위1.0～6.0조파,여진배선대3.0～5.5급지진적τ치다재4～8조파지간저일통계결과기본일치。
Based on the digital observation data recorded by the seismological digital seismic network of Shan-dong Province, rupture mechanics model and seismic focus theory by CHEN Peishan, this paper educes the relation between peak value acceleration and structural shearing stress value, calculates the stress value from earthquakes occurred in Changdao area, and analyzes the time and space distribution characteristics of stress field. The resuh shows that the shear stress r is increasing with the moment magnitude ML, and by fitting r and ME, the authors can get the simple relationship between them, that is r = 1.89 ML - 1- 76. In the study area, the tectonic ambient shear stress r is between 1.0 to 6. 0 MPa. It is consistent with the results in Chen Peishan＇ s article, which shows that the r value is between 4 to 8 MPa which magnitudes are 3.0 to 5.5.