| The Ground Deformation Disaster in the City of Tianjin Associated with the Tangshan Earthquake |
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| 作者单位： | Huang Liren，Zhao Chengkun，Hu Huimmg，Yang Guiye and Cao XiangchunFirst Land Deformation Monitoring Center，SSB，Tianjin 300180，China Surveying and Mapping Bureau of Tianjin Municipality，Tianjin 300040，China |
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| 摘 要： | In this paper,a study of the principal characteristics of the ground deformation disasters in the city of Tianjin caused by the Tangshan earthquake is based on the results from the recent remeasurements of the geodetic controlling network of Tianjin and from on-site investigations after the earthquake.These results show that only the ground deformation in the Ninghe and Hangu areas near the epicenter reflect directly the co-seismic crustal stress,while the serious ground deformation and the engineering earthquake damages in the urban districts of Tianjin are controlled to a great extent by the local engineering geological structures,showing a kind of secondary disaster.Several suggestions are also proposed in the paper concerning the counter-measures for reducing the earthquake damage in big cities.
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The Ground Deformation Disaster in the City of Tianjin Associated with the Tangshan Earthquake |
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| Authors: | Huang Liren Zhao Chengkun Hu Huimmg Yang Guiye and Cao XiangchunFirst Land Deformation Monitoring Center SSB Tianjin China Surveying and Mapping Bureau of Tianjin Municipality Tianjin China |
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| Institution: | Huang Liren,Zhao Chengkun,Hu Huimmg,Yang Guiye and Cao XiangchunFirst Land Deformation Monitoring Center,SSB,Tianjin 300180,China Surveying and Mapping Bureau of Tianjin Municipality,Tianjin 300040,China |
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| Abstract: | In this paper,a study of the principal characteristics of the ground deformation disasters in the city of Tianjin caused by the Tangshan earthquake is based on the results from the recent remeasurements of the geodetic controlling network of Tianjin and from on-site investigations after the earthquake.These results show that only the ground deformation in the Ninghe and Hangu areas near the epicenter reflect directly the co-seismic crustal stress,while the serious ground deformation and the engineering earthquake damages in the urban districts of Tianjin are controlled to a great extent by the local engineering geological structures,showing a kind of secondary disaster.Several suggestions are also proposed in the paper concerning the counter-measures for reducing the earthquake damage in big cities. |
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| Keywords: | Ground Deformation Disaster Countermeasures |
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