Ground conditions at strong-motion recording sites in New Zealand

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Cousins, W.J.; Perrin, N.D.; McVerry, G.H.; Hefford, R.T.; Porritt, T.E. 1996 Ground conditions at strong-motion recording sites in New Zealand . Lower Hutt: Institute of Geological & Nuclear Sciences Institute of Geological & Nuclear Sciences science report 96/33 244 p.

Abstract: Strong-motion earthquake recordings has been carried out in New Zealand form more than 30 years. During that time a network of nearly 250 accelerographs has been established, and strong-motion data from it is currently proving invaluable in a variety of modelling and design applications. Many of the applications require knowledge of the ground conditions beneath the recording sites, because the nature of the ground can play a large part in determining both the amplitude and the form of the surface ground motions. Ground conditions for more than 200 strong motion recorder sites have therefore been compiled. Site subsoil categories have been allocated to sites generally according to New Zealand Loadings Standard NZS 4203:1992, clause The data provided for each location includes the following: geographic coordinates, topography, brief description of structure (if any) housing the recorders, subsurface conditions, geotechnical data (if any), and site subsoil category. Two listings are provided. In the first, the main data table, the recording locations are in alphabetic order by name, and in the second, a cross reference listing, the locations are in numerical order by instrument identifier.