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郑州大学东校区场地地震地质条件及抗震设防应对措施 被引量:3

EARTHQUAKE-GEOLOGY CONDITIONS OF THE CONSTRUCTION SITE AND EARTHQUAKE-PROOF MEASURES IN MEDICAL COLLEGE UNDER ZHENGZHOU UNIVERSITY
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摘要 通过校区建筑场地钻孔岩土剖面与剪切波速测试结果以及地震地质背景条件、活动断裂及其影响和主要抗震设防参数的分析研究 ,作者认为建筑场地属中软土 ,但不存在液化可能性 ,建筑场地类别可定为Ⅱ类 ;并提出近场区存在 6级及小于 6级的地震背景 ,其地震烈度可估评为 7度。鉴于此 ,建议建筑场地可采用换土垫层法以加固地基 ,对高层建筑可采用大直径灌注桩基础、框架柱可一柱一桩、剪力墙宜设基础梁并适当扩大桩距。 Through the analysis of geotechnical section of the drilled holes, the results of the shear wave velocity tests, the background,active rift and effects of the earthquake geology and the main earthquake proof parameter,the authors consider that construction site of the university belongs to medium soft soil which does not have the possibility of liquification and type of site can be classified as Type Ⅱ. At the same time,the authors hold that 6 or less than 6 degrees earthquake background exists in the neighborhood and its earthquake intensity can be estimated as seven degrees. In view of this,the authors suggest a series of earthquake proof measures:foundation of the site can be reinforced by changing soil cushion;a large diameter concentrated stake base and frame pillars, one pillar with one stake may be used for high buildings;base roof beams should be set for shear wall;the building should be properly set in the earth and basements should be built.
作者 刘扬 翟新芳
机构地区 郑州大学东校区
出处 《河南地质》 2001年第4期289-294,共6页 Henan Geology
关键词 地震地质条件 抗震设施措施 郑州大学 郑州市 校区 活动断裂 剪切波速测试 earthquake geology conditions earthquake proof measures medical college under Zhengzhou University Zhengzhou City
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