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克孜尔水库F2活动断层变形监测资料初步分析

Preliminary analysis of deformation characteristics of fault F2 in Kizil Reservoir based on observed data

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【作者】 张士辰张宏科王昭升龙智飞周克发

【Author】 ZHANG Shi-chen1,ZHANG Hong-ke2,WANG Zhao-sheng1,LONG Zhifei1,ZHOU Ke-fa1(1.Dam Safety and Management Department,Ministry of Water Resources,Nanjing 210029,China;2.Management Bureau of Kizil Reservoir,Baicheng 842313,China)

【机构】 水利部大坝安全管理中心新疆克孜尔水库管理局

【摘要】 克孜尔水库建在F2大活动断层上,为确定F2断层对大坝安全的影响,根据已有观测资料,对F2断层活动规律及其变形对大坝安全的影响进行了分析。指出:F2断层从水库开始蓄水至今经历了正常蠕变、异常蠕变及蠕变恢复3个活动阶段;F2断层两侧基线长度在逐年缩短,断层呈挤密趋势变化,该趋势有利于大坝安全;F2断层两侧高差在逐年增大,但变化幅度很小,不足以导致大坝的严重变形。

【Abstract】 The Kizil Reservoir is located in the fault F2 district.To study the influence of fault F2 on the safety of the reservoir,the activities and deformation of the fault F2 are analyzed on the basis of existing observation data.The activities of the fault F2 can be divided into three phases from the beginning of storage in the reservoir until now: the normal creep phase,the abnormal creep phase and the creep recovery phase.It is concluded that the length of the baselines on both sides are decreasing year by year,the fault has a compressed tendency that is beneficial to the dam safety,and the comparative height difference on both sides of fault F2 is increasing year by year,but the change is too small to lead to a serious deformation of the dam.

  • 【文献出处】 水利水电科技进展 ,Advances in Science and Technology of Water Resources , 编辑部邮箱 ,2008年04期
  • 【分类号】TV698.1
  • 【下载频次】47
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