攀枝花地区典型地层剪切波速与埋深间的统计关系
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
基于攀枝花地区工程场地地震安评工作中收集整理到的338个测点的剪切波速资料,利用线性拟合v_s=a+bH、乘幂拟合v_s=cH~d和多项式拟合v_s=e+fH+gH~2,对该地区分布较为广泛的昔格达粘土岩和昔格达粉砂质泥岩的剪切波速进行了统计分析,得到了此二类土剪切波速沿埋深变化的经验公式。该结果可为攀枝花地区场地土类别的划分和城市防震减灾规划中土层地震反应计算提供依据。
The shear wave data of 338 testing points had been gotten from a lot of engineering geology drilling holes in Panzhihua area.Because of more testing points for Xigeda clay rock and Xigeda silty mudstone,shear wave datas of the two sorts of soil were analyzed statistically,using linear-formed(v_s =a + bH),exponential-formed(v_s = cH~d) and polynomialformed(v_s=e+/H+gH~2) shear wave experience formula.Then the experience formulae of shear wave for the two types of soil were obtained,which could show the common rule that shear wave changed along with the depth.The shear wave datas will can be speculated in the engineering sites lack of the wave datas,in order to give reference in the classification of engineering site sort and calculate subsoil earthquake response,etc.
引文
[1]程国勇,王建华.应用剪切波速判别砂土液化的研究综述[J].世界地震工程,2004,20(1):112-116.
    [2]高印立.剪切波速与土性指标间的统计关系[J].建筑科学,1998,14(5):19-21.
    [3]邱志刚,薄景山,罗奇峰.土壤剪切波速与埋深关系的统计分析[J].世界地震工程,2011,27(3):81-88.
    [4]齐史浩,刘德东,张宁东,等.剪切波速推测的工程应用[J].防灾科技学院学报,2007,9(4):17-21.
    [5]齐史浩,刘德东,兰景岩,等.西安阎良区土层剪切波速统计分析[J].防灾科技学院学报,2008,10(4):10-12.
    [6]刘红帅,郑桐,薄景山,等.粘性土剪切波速不确定性的统计分析[J].世界地震工程,2010,26(增):99-103.
    [7]安卫平,兰青龙,贺明华,等.太原地区剪切波速的深度分布[J].山西地震,1997(1-2):87-94.
    [8]李平,薄景山,孙有为,等.西昌市场地剪切波速与土层深度经验关系[J].世界地震工程,2010,26(4):13-17.
    [9]陈国兴,徐建龙,袁灿勤.南京城区岩土体剪切波速与土层深度的关系[J].南京建筑工程学院学报,1998,45(2):32-37.

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