正交设计在含砂层边坡敏感性分析中的应用
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摘要
由于边坡稳定性受内外多因素的影响,为了更全面分析各因素的变异性对边坡稳定的影响,采用多因素正交设计方法,对影响某堤防边坡稳定性的多因素进行了敏感性分析,并首次尝试选择是否有含砂层作为敏感因素之一。用极差法和方差法对其结果进行分析,各因素对边坡稳定性影响程度由高到低顺序为黏聚力、内摩擦角、水位、含砂层、重度。坡脚的含砂层对边坡稳定性有一定的影响,影响程度低于水位。
The stability of a slope is affected by multiple internal and external factors,so it is significant to make a comprehensive analysis on the influence of the change of each factor on the stability of the slope. The multi-factor orthogonal design method is adopted to analyze the sensitivity of the factors affecting the stability of an embankment slope. Moreover,containing sand or not is considered as one of the factors of sensitivity for the first time in this paper. Based on the range and variance analysis,the result shows that the influence of each factor on the stability of the slope is cohesion,angle of internal friction,water level,sand-containing layer and unit weight in sequence.The sand-containing layer at the foot of the slope has certain impacts on the stability of the slope with the impact level lower than that of the water level.
The stability of a slope is affected by multiple internal and external factors,so it is significant to make a comprehensive analysis on the influence of the change of each factor on the stability of the slope. The multi-factor orthogonal design method is adopted to analyze the sensitivity of the factors affecting the stability of an embankment slope. Moreover,containing sand or not is considered as one of the factors of sensitivity for the first time in this paper. Based on the range and variance analysis,the result shows that the influence of each factor on the stability of the slope is cohesion,angle of internal friction,water level,sand-containing layer and unit weight in sequence.The sand-containing layer at the foot of the slope has certain impacts on the stability of the slope with the impact level lower than that of the water level.
引文
[1]崔耀璞,罗强,张良,等.基于正交设计的路堤稳定影响因素敏感性分析[J].武汉理工大学学报(自然科学版),2014,38(6)1376-1380.
[2]史俊涛,孔思丽,任琪.基于强度折减有限元的边坡稳定性影响因素敏感性研究[J].武汉科技大学学报,2013,36(4):316-320.
[3]段永坤.填方边坡稳定性影响因素敏感性分析[J].岩土工程技术,2014,28(4)205-211.
[4]刘婷婷,张军.顺层岩质高边坡剪切滑动破坏的敏感性因素分析[J].武汉理工大学学报(交通科学与工程版),2016,40(5):792-796.
[5]尹吉娜,杨杰,任杰,等.基于灰色关联分析的边坡稳定影响因素敏感性评估[J].合肥工业大学学报(自然科学版),2015,38(1):75-78.
[6]王华俊,卿翠贵,姚文杰.一种改进的遗传算法在边坡工程中的应用[J].水利与建筑工程学报,2015,13(3):195-199.
[7]宋鑫华.基于强度折减法的贵州红黏土边坡稳定敏感性探讨[J].人民珠江,2015,36(2):37-39.
[8]刘春龙,张志强,袁继国,等.岩质边坡稳定坡脚影响因素及确定方法[J].水利水运工程学报,2016,4(1):23-29.
[9]张昀青,李维珍,闫静昌,等.边坡可靠性指标及敏感性因素分析[J].石家庄铁道大学学报(自然科学版),2015,28(1):62-65.
[10]柏俊磊,王乐华,王瑞红.基于敏感性分析的加锚岩质边坡锚固参数优化设计[J].南水北调与水利科技,2013,11(4):200-205.
[11]夏开宗,陈从新,鲁祖德,等.软硬岩互层边坡稳定性的敏感性因素[J].武汉理工大学学报(交通科学与工程版),2013,37(4):729-732.
[12]王宏权,裴广龙,刘夫江,等.基于ABAQUS强度折减法的边坡安全系数敏感性研究[J].三峡大学学报(自然科学版),2014,36(6):43-46.
[13]杨林,郑立孝.加宽路堤稳定性数值模拟及影响因素的正交分析[J].中外公路,2014,34(1):57-61.
[14]吴科亮,丁春林.基于正交实验法的边坡稳定因素敏感性分析[J].华东交通大学学报,2016,33(2):114-120.
[15]丁慧,陈杰,宋力.不同种类边坡与锚索抗滑桩间接触应力分布规律的探讨[J].水利与建筑工程学报,2015,13(2):162-165.
[2]史俊涛,孔思丽,任琪.基于强度折减有限元的边坡稳定性影响因素敏感性研究[J].武汉科技大学学报,2013,36(4):316-320.
[3]段永坤.填方边坡稳定性影响因素敏感性分析[J].岩土工程技术,2014,28(4)205-211.
[4]刘婷婷,张军.顺层岩质高边坡剪切滑动破坏的敏感性因素分析[J].武汉理工大学学报(交通科学与工程版),2016,40(5):792-796.
[5]尹吉娜,杨杰,任杰,等.基于灰色关联分析的边坡稳定影响因素敏感性评估[J].合肥工业大学学报(自然科学版),2015,38(1):75-78.
[6]王华俊,卿翠贵,姚文杰.一种改进的遗传算法在边坡工程中的应用[J].水利与建筑工程学报,2015,13(3):195-199.
[7]宋鑫华.基于强度折减法的贵州红黏土边坡稳定敏感性探讨[J].人民珠江,2015,36(2):37-39.
[8]刘春龙,张志强,袁继国,等.岩质边坡稳定坡脚影响因素及确定方法[J].水利水运工程学报,2016,4(1):23-29.
[9]张昀青,李维珍,闫静昌,等.边坡可靠性指标及敏感性因素分析[J].石家庄铁道大学学报(自然科学版),2015,28(1):62-65.
[10]柏俊磊,王乐华,王瑞红.基于敏感性分析的加锚岩质边坡锚固参数优化设计[J].南水北调与水利科技,2013,11(4):200-205.
[11]夏开宗,陈从新,鲁祖德,等.软硬岩互层边坡稳定性的敏感性因素[J].武汉理工大学学报(交通科学与工程版),2013,37(4):729-732.
[12]王宏权,裴广龙,刘夫江,等.基于ABAQUS强度折减法的边坡安全系数敏感性研究[J].三峡大学学报(自然科学版),2014,36(6):43-46.
[13]杨林,郑立孝.加宽路堤稳定性数值模拟及影响因素的正交分析[J].中外公路,2014,34(1):57-61.
[14]吴科亮,丁春林.基于正交实验法的边坡稳定因素敏感性分析[J].华东交通大学学报,2016,33(2):114-120.
[15]丁慧,陈杰,宋力.不同种类边坡与锚索抗滑桩间接触应力分布规律的探讨[J].水利与建筑工程学报,2015,13(2):162-165.