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基于正交设计的滑坡土体振后残余强度分析
Alternative TitleApplication of Orthogonal Design in the Landslide Residual Strength after Vibration
苏立君1,3; 刘文静1,2; 刘超1,2; 徐兴倩1,4
Corresponding Author苏立君
2015
Source Publication沈阳农业大学学报
ISSN1000-1700
Volume47Issue:3Pages:374-378
Abstract

滑坡土体的强度参数一直是滑坡稳定性研究的重要指标,地震导致的滑坡土体结构的破坏会降低土体的抗剪强度,土体的含水率、震级的大小、土体本身的结构等都会影响土体的残余强度。本文试验使用英国GDS土动三轴仪对土体先进行扰动,然后饱和土样,测试破坏获得土体的饱和抗剪强度,本文采用正交设计方法研究了土体含水率、振动频率、振幅以及振动周次对土体强度的影响,经过方差分析处理发现这4因素对滑坡土体强度的影响排序为含水率>振幅> 振动周次>振动频率,对滑坡地质灾害防治有较好的参考价值。

Other Abstract

 Landslide strength parameter has been an important indicator of the landslide stability research. The destruction of the landslide structure caused by the earthquake reduces the shear strength of the soil, while the soil moisture content, the magnitude of earthquake and soil structure itself also affect the residual strength. The experiment applied in this paper first disturbs the soil, and then saturates the soil samples by adopting the British GDS Soil dynamic triaxial tester to test the saturated soil shear strength after the saturation. This paper employs the orthogonal design method to study the soil moisture content, vibrational frequency, amplitude as well as times of vibration, which together affects on the soil strength, and finally discovers that the four factors affecting the landslide strength according to variance analysis rank as the soil moisture content, amplitude, times of vibration and vibrational frequency. This paper aims to have a valuable reference to the geological hazard control of the landslide.

Keyword正交设计 方差分析 振动 残余强度 三轴试验
Indexed By北大中文核心
Language中文
Funding Organization国家重点基础研究发展计划(973计划)课题(2013CB733201) ; 中科院重点部署项目(KZZD-EW-05-01)
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9222
Collection山地灾害与地表过程重点实验室
Affiliation1.中国科学院山地灾害与地表过程重点实验室,中国科学院水利部成都山地灾害与环境研究所,四川 成都,610041
2.中国科学院大学,北京,100049
3.中国科学院青藏高原地球科学卓越创新中心,北京,100101
4.云南农业大学水利学院,昆明,650201
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
苏立君,刘文静,刘超,等. 基于正交设计的滑坡土体振后残余强度分析[J]. 沈阳农业大学学报,2015,47(3):374-378.
APA 苏立君,刘文静,刘超,&徐兴倩.(2015).基于正交设计的滑坡土体振后残余强度分析.沈阳农业大学学报,47(3),374-378.
MLA 苏立君,et al."基于正交设计的滑坡土体振后残余强度分析".沈阳农业大学学报 47.3(2015):374-378.
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