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上海地区软土层侧向基床反力系数规律性研究
引用本文:林华国,唐世栋.上海地区软土层侧向基床反力系数规律性研究[J].岩土工程学报,2004,26(4):495-499.
作者姓名:林华国  唐世栋
作者单位:同济大学地下建筑与工程系;同济大学地下建筑与工程系 上海200092;上海200092;
摘    要:根据38个扁铲侧胀试验孔近4000份数据的实测资料求得上海地区软土层的侧向基床反力系数值Kh,分析和归纳出各土层Kh值的范围及其随深度的变化规律,并将计算值与规范参考值作比较。这些结果可为上海地区水平受荷桩、基坑工程和隧道工程的设计提供依据。

关 键 词:扁铲侧胀试验  侧向基床反力系数  侧向基床反力系数比例系数  材料指数  
文章编号:1000-4548(2004)04-0495-05

Study on the horizontal coefficient of subgrade reaction for soft soil layers in Shanghai
LIN Huaguo,TANG Shidong.Study on the horizontal coefficient of subgrade reaction for soft soil layers in Shanghai[J].Chinese Journal of Geotechnical Engineering,2004,26(4):495-499.
Authors:LIN Huaguo  TANG Shidong
Affiliation:Department of Geotechnical Engineering Tongji University Shanghai 2 00092 China
Abstract:Based on 38 flat dilatometer tests(DMT) and nearly 4000 p ieces of data from the tests in Shanghai,the ranges of the horizontal coeffici ent of subgr ade reaction, K_h ,in different soft soil layers and the relationships of K_h with depth are particularly analysed. And their variation are also summaried. In addition, the calculated K_h are compared with the corres ponding va lues in the code.These conclusions can be used in the designs of ex cavation, tunnel and lateral-load piles in Shanghai.
Keywords:flat dilatometer test(DMT)  horizontal coefficient of subgrade reaction  ratio coefficient of K_h  material index
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