On the basis of geological investigating work and experimental studies on slide zone soil of one landslide in Tibet,the authors analyzed granulometric composition,clay mineral composition and physical and mechanical p...On the basis of geological investigating work and experimental studies on slide zone soil of one landslide in Tibet,the authors analyzed granulometric composition,clay mineral composition and physical and mechanical properties for the soil in the slide zone.The soil samples are gravel containing fine particle.Particles larger than 2 mm occupy the main proportion with the content 51.5%--68.5%.The relative content of clay minerals is low.The clay minerals are illite smectite mixed layer and kaolinite,and their relative contents are 6%--13% and 4%-11%,respectively.The main mineral ingredient is quartz and the relative content is over 30%.Therefore,the soil’s hydrophily is poor.The cohesion and internal friction angle are high,causing preferable physical-mechanical features of slide zone soil.On the basis of the obtained data,the landslide stability is evaluated by means of limit equilibrium method.The safety factors are 3.191 and 1.92 respectively under both natural and normal water level conditions.The study results show that the landslide is stable.It can provide the appropriate basis and reference for landslide stability evaluation and landslide control in Tibet.展开更多
目的:检验世界卫生组织残疾人生存质量量表一般残疾版本(WHOQOL-DIS Scales for PD)中文版的可接受性、信度和效度,以便用于中国残疾人的生存质量的研究。方法:采用多阶段分层随机抽样的方法,从广州市抽取一般残疾人(除智力残疾的其他...目的:检验世界卫生组织残疾人生存质量量表一般残疾版本(WHOQOL-DIS Scales for PD)中文版的可接受性、信度和效度,以便用于中国残疾人的生存质量的研究。方法:采用多阶段分层随机抽样的方法,从广州市抽取一般残疾人(除智力残疾的其他残疾人)807名。间隔1周后,对自愿进行重复调查的109人进行重测。对量表进行可接受性、信度和效度检验,并以生活满意度量表(SWLS)为校标。结果:量表回收率为99.2%,除了性生活满意度条目缺失率为35.7%,其余条目的缺失率均小于5.0%。量表5个领域的Cronbachα系数为0.77～0.84;间隔1周后重测ICC为0.82～0.91。量表条目与所属领域得分的秩相关系数为0.30～0.84,高于与其他领域的相关性;验证性因子分析显示量表的拟合较好(χ2=2405.57,df=569,RM SEA=0.06,GFI=0.85,CFI=0.87);量表5个领域得分与SWLS得分呈正相关(r=0.15～0.45,均P<0.05)。结论:世界卫生组织残疾人生存质量量表一般残疾版本中文版具有较好的可接受性、信度和效度,可用于中国残疾人生存质量的研究。展开更多
基金Supported by the Science and Technology Development Planning Project of Jilin Province(No.201201057)
文摘On the basis of geological investigating work and experimental studies on slide zone soil of one landslide in Tibet,the authors analyzed granulometric composition,clay mineral composition and physical and mechanical properties for the soil in the slide zone.The soil samples are gravel containing fine particle.Particles larger than 2 mm occupy the main proportion with the content 51.5%--68.5%.The relative content of clay minerals is low.The clay minerals are illite smectite mixed layer and kaolinite,and their relative contents are 6%--13% and 4%-11%,respectively.The main mineral ingredient is quartz and the relative content is over 30%.Therefore,the soil’s hydrophily is poor.The cohesion and internal friction angle are high,causing preferable physical-mechanical features of slide zone soil.On the basis of the obtained data,the landslide stability is evaluated by means of limit equilibrium method.The safety factors are 3.191 and 1.92 respectively under both natural and normal water level conditions.The study results show that the landslide is stable.It can provide the appropriate basis and reference for landslide stability evaluation and landslide control in Tibet.
文摘目的:检验世界卫生组织残疾人生存质量量表一般残疾版本(WHOQOL-DIS Scales for PD)中文版的可接受性、信度和效度,以便用于中国残疾人的生存质量的研究。方法:采用多阶段分层随机抽样的方法,从广州市抽取一般残疾人(除智力残疾的其他残疾人)807名。间隔1周后,对自愿进行重复调查的109人进行重测。对量表进行可接受性、信度和效度检验,并以生活满意度量表(SWLS)为校标。结果:量表回收率为99.2%,除了性生活满意度条目缺失率为35.7%,其余条目的缺失率均小于5.0%。量表5个领域的Cronbachα系数为0.77～0.84;间隔1周后重测ICC为0.82～0.91。量表条目与所属领域得分的秩相关系数为0.30～0.84,高于与其他领域的相关性;验证性因子分析显示量表的拟合较好(χ2=2405.57,df=569,RM SEA=0.06,GFI=0.85,CFI=0.87);量表5个领域得分与SWLS得分呈正相关(r=0.15～0.45,均P<0.05)。结论:世界卫生组织残疾人生存质量量表一般残疾版本中文版具有较好的可接受性、信度和效度,可用于中国残疾人生存质量的研究。
