[1]张志亮.西秦岭北缘断裂带西端的活动性及其对西宁至成都铁路方案的影响[J].华南地震,2020,40(02):85-91.[doi:10.13512/j.hndz.2020.02.013]
　ZHANG Zhiliang.The Activity of the West End of the Western Qinling Fault Zone and Its Influence on the Railway Project from Xining to Chengdu[J].South China journal of seismology,2020,40(02):85-91.[doi:10.13512/j.hndz.2020.02.013]
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西秦岭北缘断裂带西端的活动性及其对西宁至成都铁路方案的影响(/HTML)
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2020年02期
页码:
85-91
栏目:
土木工程防震减灾
出版日期:
2020-06-30

文章信息/Info

Title:
The Activity of the West End of the Western Qinling Fault Zone and Its Influence on the Railway Project from Xining to Chengdu
作者:
张志亮
（中铁第一勘察设计院集团有限公司 , 西安 710043）
Author(s):
ZHANG Zhiliang
(China Railway First Survey and Design Institute Group Co.,Ltd. Xian,710043,China)
关键词:
西秦岭北缘断裂; 活动断裂; 甘家盆地; 西成铁路
Keywords:
Western Qinlingfault; Active fault;  Ganjia basin; Planed Xining-Chengdu railway
分类号:
U212.32
DOI:
10.13512/j.hndz.2020.02.013
文献标志码:
A
Abstract:
The western Qinling fault zone,one of boundary faults of one secondary active block located on the northeastern margin of the Tibet Plateau,actives strongly and occurred several earthquakes with M≥6.5 in history.The planned railway project from Xining to Chengdu run through Ganjia basin adjacent to the western Qinling fault zone,so the decision of the activity and west end of the fault zone have close relations to the planed railway project. Based on the field investigation on the Quaternary geology,geomorphology and faults activity around the Ganjia basin,this paper analyzed and discussed the activity of the west end of the fault zone and its influence on the railway project.The results suggest that the western segment of the western Qinling fault zone is divided into two branch active faults ,and both of which show signs of weak Holocene surface activity. However, the west end of the fault zone terminates at the eastern margin of the Ganjia basin,and the planed railway lines does not traverse the fault zone directly in the area around the Ganjia basin.Therefore,for the railway project,it is less likely to encounter sudden offsets aroused by the western Qinling fault zone,and the seismic ground motion is the main effect to consider.

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备注/Memo

备注/Memo:
收稿日期 :2019-10-18 基金项目 : 铁一院科研项目（院科 17-12）资助。作者简介 : 张志亮（ 1983- ）, 男 , 高级工程师 , 主要从事铁路工程地质方面的工作。 E-mail:25877548@qq.com.
更新日期/Last Update: 2020-08-11