| Laslett算法和广义H-H算法在不同迹长层次下的适用性讨论 |
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| 引用本文： | 张莹,黄润秋,严明,霍俊杰.Laslett算法和广义H-H算法在不同迹长层次下的适用性讨论[J].工程地质学报(英文版),2011,19(2):238-243. |
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| 作者姓名： | 张莹 黄润秋 严明 霍俊杰 |
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| 作者单位： | 成都理工大学地质灾害防治与地质环境保护国家重点实验室 成都 610059 |
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| 基金项目： | 雅砻江水电开发联合研究基金重点项目(50539050) |
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| 摘 要： | 结构面平均迹长估算的Laslett算法和广义H-H算法虽然在理论上具有严密的推导过程,但实际应用时,由于迹长层次不同,两种算法估值精度不同。在利用开挖边坡所揭露的全迹长资料对不同迹长层次下两种算法的估值精度进行检验的基础上,讨论了两种算法的适用性,并针对工程中所采用的测量窗口高度通常较小这一实际情况,对广义H-H算法在小窗口长迹长层次下的迹长估计值进行适当修正。综合研究结果,建议:(1)小窗口短小迹长层次情况下采用Laslett算法进行迹长估计; (2)小窗口长大迹长层次情况下采用乘以修正系数x=2的广义H-H算法。
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| 关 键 词： | 迹长估计 Laslett算法 广义H-H算法 迹长层次 |
| 收稿时间： | 2010-08-28 |
DISCUSSION ON APPLICABILITY OF LASLETT ALGORITHM AND GENERALIZED H-H ALGORITHM UNDER DIFFERENT LEVELS OF TRACE LENGTHS |
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| ZHANG Ying HUANG Runqiu YAN Ming HUO Junjie.DISCUSSION ON APPLICABILITY OF LASLETT ALGORITHM AND GENERALIZED H-H ALGORITHM UNDER DIFFERENT LEVELS OF TRACE LENGTHS[J].Journal of Engineering Geology,2011,19(2):238-243. |
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| Authors: | ZHANG Ying HUANG Runqiu YAN Ming HUO Junjie |
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| Institution: | State Key Laboratory of GeoHazard Prevention and GeoEnvironment Protection,Chengdu University of Technology,Chengdu 610059 |
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| Abstract: | In theory,there is a rigorous deducing process for the Laslett algorithm and the generalized H-H algorithm under the mean trace length estimation of discontinuities.However,they have different accuracies of estimated values on different trace length levels.This study carries out tests on the accuracy of estimated values from both algorithms and evaluates their applicability,based on the full-trace length data of excavated slopes.Because the height of test windows in engineering are small,this paper has amen... |
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| Keywords: | Trace length estimation Laslett algorithm Generalized H-H algorithm Trace length level |
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