ZHAO Chang-hong, ZHANG Shuang-feng, MA Guang-qing, LI Xiang-ping, JIANG Yong-jian. STUDY ON OBSERVATION ACCURACY OF EXTENSOMETER IN SHEXIAN SEISMOSTATION[J]. North China Earthquake Sciences, 2011, 29(1): 36-39.
Citation: ZHAO Chang-hong, ZHANG Shuang-feng, MA Guang-qing, LI Xiang-ping, JIANG Yong-jian. STUDY ON OBSERVATION ACCURACY OF EXTENSOMETER IN SHEXIAN SEISMOSTATION[J]. North China Earthquake Sciences, 2011, 29(1): 36-39.
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STUDY ON OBSERVATION ACCURACY OF EXTENSOMETER IN SHEXIAN SEISMOSTATION

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    • Abstract
  • Since 2001, the observation accuracy of the EW component of extensometer in Shexian seismostation decreased year by year.In order to find the cause and solve the problem, we reformed the power supply system, enhanced the sealing property of the observation cave room and improved the lightning protection measure.Through these methods, the observation accuracy of the EW component of extensometer in Shexian seismostation was obviously improved.
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