博羅科努斷裂東南段地震危險性評價.pdf

1、 1 碩士研究生學位論文 新 疆 大 學 論文題目 論文題目(中文 中文)：博羅科努斷裂東南段地震危險性評價 ：博羅科努斷裂東南段地震危險性評價 論文題目 論文題目(外文 外文)：Earthquake Risk Assessment on the Southeast Section of Bolhinur Fault 研究生姓名： 研究生姓名： 耿昭 耿昭 學科、專業(yè)： 學科、專業(yè)： 工學、 工學、地質(zhì)資源與 地質(zhì)資源與地質(zhì)工程 地

2、質(zhì)工程 研 究 方 向： 向： 地球 地球探測與信息技術 探測與信息技術 導師姓名職稱： 導師姓名職稱： 張曉帆 張曉帆 教授 教授 論文答辯日期 2016 年 5 月 19 日 學位授予日期 2016 年 6 月 20 日新疆大學碩士學位論文 ABSTRACT The Bolhinur-Aqikekuduke Fault cuts Tian Shan Mountain obliquely, is an active fau

3、lt belt in large scale. This fault stretches along southeast direction from the southwest bank of Allah Lake Kazakhstan to southwestern margin of Turpan Basin and extends over 1000km. Within the territory of China, The B

4、olhinur-Aqikekuduke Fault extends over 860km, and most section of The Bolhinur-Aqikekuduke Fault are located at no man’s land of mountain and activity area of modern glacial. The fault belt generally headed northwest dir

5、ection. Research shows, this fault is still active in the Holocene. According to some former works, this paper based on a great deal of field geological survey at the southeast section of the Bolhinur Fault and drew a co

6、nclusion of tectonic deformation characteristics, active slip rate of the southeast section of the Bolhinur Fault. In the process of field geological survey, large trench excavation and digital elevation model (DEM) est

7、ablishment are used to get seismicity parameters of the fault. Data collected from field geological surveys indicate that T1 terrace has vertical cut for about 4.6m, T2 terrace has vertical cut for 11.2m, largest angle o

8、f reverse scarp is 27° , indicates that the reverse fault has some activities since Pleistocene. Combined with the dating data, the author has calculated the vertical slop rate of T1 terrace is 0.6mm/a and 0.93mm/a

9、as to T2 terrace. According to the assumed geological section, we find the shortening rate of T3 terrace is 37.34m, and the shortening rate of T3 terrace is 1.07mm/a. Through the correction of activity data, ancient seis

10、mic method and so on, the research indicates the average magnitude if history in the southeast section of the Bolhinur Fault is 7.3, and the maximum magnitude of potential earthquake is 7.5. The method of ancient seismic