强夯黄土地基震陷性离心试验研究
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
为了对强夯黄土地基震陷性进行较为直观合理的分析,基于离心模型试验定量评价了强夯黄土地基抗震性能。试验结果表明:黄土地基含水率是影响强夯处理效果的重要因素,水平层强夯程度所存在的差异性对黄土地基的震陷量的影响不是很明显,强夯法处理黄土地基在有效深度范围内可以完全消除黄土地基的震陷性。
Based on centrifugal model tests,the effect of dynamic compaction on the secimic resistance of loess ground was quantitatively evaluated.It was shown that the moisture content was an important factor which influenced the effect of dynamic compaction on the secimic resistance of loess ground,and there was little influence caused by the difference of degree of dynamic compaction in the same level of soil layer.The dynamic compaction of loess could completely eliminate the seismic subsidence within a certain effective depth.
引文
[1]王兰民,等.黄土动力学[M].北京:地震出版社,2003.(WANG Lan-ming,et al.Loess dynamics[M].Beijing:Seismic Press,2003.(in Chinese))
    [2]张晓荣.压实黄土动力特性及动力下的松弛特性试验研究[D].西安:长安大学,2005.(ZHANG Xiao-rong.The performance research of compacted loess dynamic characteristics and relaxation characteristics[D].Xi’an:Chang’an University,2005.(in Chinese))
    [3]王兰民,袁中夏,王俊,石兰成.强夯处理后黄土地基的动力特性与抗震性能[J].岩石力学与工程学报,2003,22(2):2840–2847.(WANG Lan-min,YUAN Zhong-xia,WANG Jun,SHI Lan-cheng.Dynamic characteristics and seismic resistance of loess ground treated with dynamic compaction[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(2):2840–2847.(in Chinese))
    [4]KAZAMA M,INATOMI T,LIZUKA E.Comparison of lg and centrifuge models of a dynamic earth pressure problem[C]//Centrifuge 94.Rotterdam:A A Balkema,1994.
    [5]SHIBATA T,KITA K,KOBAYASHI S,et al.Performance of shaking table tests and measurement of shear wave velocities in a centrifuge[C]//Centrifuge 91.Rotterdam:A A Balkema,1991.
    [6]汪小刚,张建红,等.用离心模型研究岩土边坡的倾倒破坏[J].铁道学报,1996,9(5):14–21.(WANG Xiao-gang,ZHANG Jian-hong,et al.Investigations on mechanism of slope toppling failure by centrifugal model tests[J].Journal of the China Railway Society,1996,9(5):14–21.(in Chinese))
    [7]赵晓彦,胡厚田.用离心模型试验研究花岗岩残积土边坡的破坏特性[J].工程地质学报,2005,13(3):410–413.(ZHAO Xiao-yan,HU Hou-tian.Investigation on failure of granitic residual slope by using centrifugal model test[J].Journal of Engineering Geology,2005,13(3):410–413.(in Chinese))

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心