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The principle and method of crosshole seismic test and its application in the investigation of nuclear power plants
Author(s): 
Pages: 89-95
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  damping ratiocrosshole testgroundnuclear power plant;
Abstract: All kinds of the ground damping ratio testing methods are summarized in the paper.The principle and procedures of damping ratio test by crosshole seismic method is described.The test requirements of damping ratio test by crosshole seismic method are specified for nuclear plant investigation work.The engineering practice and analysis shows that the crosshole seismic test is an effective method to determine the damping ratio of fractured and highly weather rock,and which is suitable for ground damping ratio test under small strain conditions.
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