利用超声模拟技术研究地质结构对地震动影响的初步成果
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摘要
近十年来,我们将超声模拟技术引入地震动研究领域,综合研究震源位置、传播路径及场地条件对地震地面运动的影响。重点报道了当场地地基中存在不可避开的断裂时地震波传播的超声模拟结果,以及双层地质结构地震反应的若干研究成果。
By the porosity, strength, deformation and permeability of rock masses, it is proved that the properties of rock masses are influenced by stress condition and are the function of spatial position. They have the characteristic of random field. Moreover, the concept of the physical field for engineering rock masses is proposed. To be coinsided with the characteristic of the ‘field’, some traditional working methods in rock engineering should be improved, such as the arrangement for in situ test points and the statistics of test parameters etc..
引文
1于萌国际减轻自然灾害十年计划工程地质信息,1989,(1~2):17~182孙进忠,赵鸿儒,彭一民全波模型的震相分析石油地球物理勘探,1985,20(4):352~3623孙进忠,赵鸿儒,彭一民全波模型震相分析(续篇)石油地球物理勘探,1986,21(6):638~6464PengYimin,SunJinzhong,HaoXiansheng.EngineringseismologicalconditionandresponseofgroundmotionofBeijingdistrict.Procof5thICIAEGBuenosAires,Argentina,1986,2103~21115彭一民我国城市抗震防灾工作进展综述工程勘察,1986,(1):25~276PengYimin.Someintrospectionondeterminationofpotentialearthquakesourcesareainseismicriskanalysis.Guangzhou:ProcofISSZ,1987.136~1457彭一民,孙进忠,郝宪生北京西直门断裂特征的分析研究及北京国际服务中心(BISC)场地稳定性评价工程地质科学新进展成都:成都科技大学出版社,198967~768孙进忠,彭一民,赵鸿儒双层结构场地地震动的超声模拟技术见:地球物理学报编委会编实验地球物理研究文集北京:地震出版社,198944~529GeorgePlafker,JohnPGaloway.LesonslearnedfromtheLomaPrieta,California,EarthquakeofOctober17,1989.USGeologicalSurveyCircular1045,1989.2~310彭一民我国地球物理模型试验进展综述地质科技情报,1986,5(3):182~18411孙进忠,彭一民,赵鸿儒北京凹陷地震地面运动超声模拟地震学报,1988,10(1):98~10912PengYimin,SunJinzhong,Haoxiansheng.MathematicalphysicalmodelingofseismicresponseoftheBeijingDepresion.ActaGeologicaSinica,1988,1(2):141~15813SunJinzhong,PengYimin.Thesupersonicmodelingresearchoftheearthquakeresponseofurbanlifelineengineeringandcaves.BeijingProcofSJCSR,1989.243~24914彭一民超声地震模型实验相似准则勘察科学技术,1987,(5):58~6115赵鸿儒,孙进忠,唐文榜等全波震相分析北京:地震出版社,199122~25

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