The ways of thunder and light destroying seismostations are summarized.There was a light rod at Changping station,but it did not work well in protecting the station from thunder and light.The principle and advantages of a new device against thunder-bolt with capacity earth connection is introduced.The devices were installed at 42 stations in Beijing City and Fujian,Zhejiang,Sichuan,Liaoning,Guangxi,Guangdong,Hainan,Shaanxi,Hebei Provinces.Facts have proved that the devices are satisfactory.
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王勇,王雪森,洪新华,戴建华.一种有效的防雷保护系统——综合防雷工程网络[J].地震工程学报,2000,22(2):182-186. WANG Yong, WANG Xue-sen, HONG Xin-hua, DAI Jian-hua. AN EFFECTIVE DEVICE AGAINST THUNDER-BOLT[J]. China Earthquake Engineering Journal,2000,22(2):182-186.