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空间相关地震动场模拟的研究李小军赵凤新胡聿贤（中国北京１０００８１国家地震局地球物理研究所）主题词场地条件生命线系统地震动场相位差谱重要性极高的生命线系统工程具有一个共同的特点是其空间分布与延伸性．在同一次地震下，这类结构各部分受到的地震荷载将不同．...
Key words: Site condition; Lifeline system; Earthquake field; Phase difference spectrum; Earthquake field; Extremely important lifeline; System engineering has one common characteristic Spatial distribution and extensibility. Under the same earthquake, the seismic loads on various parts of such structures will be different. ...