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Methodology for automated GIS-aided seismic microzonation studies

机译：自动化GIS辅助地震微区划研究的方法

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摘要

This paper presents an automated methodology for performing geographic information system (GIS)-aided seismic microzonation studies. It presupposes the existence of a geotechnical database containing data from sampling boreholes and in situ geotechnical or geophysical tests. The database has been related to a GIS that is being used only for graphically locating the available borehole and in situ test sites for the study area and for the compilation of digital contour maps. The processing of data and the seismic ground response analyses are automatically performed externally to the GIS and the geotechnical database, via a computer code (created in MS Visual Basic) whose flow chart and characteristics are described in detail herein. This code processes data from the geotechnical database (that has a relational structure and has been created in MS Access here), along with engineering geological and seismological information for the study area. Then, it proceeds in performing the seismic ground response analyses via recently proposed multi-variable relations that duplicate successfully the results of the 1D equivalent linear numerical method. As an application, the paper presents an exemplary GIS-aided seismic microzonation study for an urban municipality of the greater Athens (Greece) area, which reveals the efficiency of the automated methodology and explores its limitations.
机译：本文提出了一种用于进行地理信息系统（GIS）辅助的地震微区划研究的自动化方法。它以存在岩土数据库为前提，该数据库包含来自钻孔采样和原位岩土或地球物理测试的数据。该数据库已与GIS相关，该GIS仅用于以图形方式找到研究区域的可用钻孔和现场测试地点，并用于汇编数字等高线图。数据处理和地震地面响应分析是通过计算机代码（在MS Visual Basic中创建）在GIS和岩土数据库的外部自动执行的，在此详细描述了流程图和特性。该代码处理岩土数据库（具有关系结构并已在此处的MS Access中创建）中的数据，以及研究区域的工程地质和地震信息。然后，它通过最近提出的多变量关系进行地震地面响应分析，这些关系成功地复制了一维等效线性数值方法的结果。作为应用，本文提出了针对大雅典（希腊）地区城市的示例性GIS辅助地震微带研究，该研究揭示了自动化方法的效率并探讨了其局限性。

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