浅层地震勘探是城市地震小区划中不可缺少的重要勘探手段之一。
Shallow seismic prospecting is one of the indispensable and important prospecting methods in earthquake zoning of cities.
本文讨论了用修正麦卡里烈度表表示的大城市区域的地震小区划。
Seismic microzonation of a large metropolitan area in terms of Modified Mercalli Intensity scaling is discussed.
本文结合地震小区划的需要对皖西硬粘土的动力特性进行了一些研究。
For the need of earthquake microzonation some studies on the dynamic properties of hardpan in west Anhui were conducted.
近年的工程地震工作，如地震小区划、重大工程场地的危险性分析等，一般都要做设计谱标定。
Generally speaking, a calibration of design spectrum has to be done for all recent earthquake engineering work, such as the seismic micro-zoning, and risk analysis for major construction sites.
工程地质分区是西安市地震小区划项目的重要组成部分，是西安市地震小区划项目各类图件的基础。
Engineering geology zoning is an important component of the Xi 'an seismic micro-zoning project and each kind of graphic document foundation bases on it.
长期以来，人们对西安市工程地质分区研究比较系统，但是以地震小区划为目的的工程地质分区研究较少。
For a long time, people has systematic researched on the engineering geology zoning in Xi 'an, but the research on it involved with seismic micro-zoning was relatively small.
本文提出的方法较易掌握，可以作为工程场地和中小城市地震影响小区划中确定设计反应谱的简化方法。
The method is easy to master, and then, can be used for the definition of design spectra in the seismic microzonation small or moderate cities, and in the site evaluation of engineering projects.
在对该工程场地进行地震动小区划的基础上，分析了不同区的地表加速度反应谱特性。
Microzonation of ground motion parameters was done to investigate the different zone's seismic response spectrum.
在对该工程场地进行地震动小区划的基础上，分析了不同区的地表加速度反应谱特性。
Microzonation of ground motion parameters was done to investigate the different zone's seismic response spectrum.
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