To further investigate the one-dimensional(1D)rheological consolidation mechanism of double-layered soil,the fractional derivative Merchant model(FDMM)and the non-Darcian flow model with the non-Newtonian index are re...To further investigate the one-dimensional(1D)rheological consolidation mechanism of double-layered soil,the fractional derivative Merchant model(FDMM)and the non-Darcian flow model with the non-Newtonian index are respectively introduced to describe the deformation of viscoelastic soil and the flow of pore water in the process of consolidation.Accordingly,an 1D rheological consolidation equation of double-layered soil is obtained,and its numerical analysis is performed by the implicit finite difference method.In order to verify its validity,the numerical solutions by the present method for some simplified cases are compared with the results in the related literature.Then,the influence of the revelent parameters on the rheological consolidation of double-layered soil are investigated.Numerical results indicate that the parameters of non-Darcian flow and FDMM of the first soil layer greatly influence the consolidation rate of double-layered soil.As the decrease of relative compressibility or the increase of relative permeability between the lower soil and the upper soil,the dissipation rate of excess pore water pressure and the settlement rate of the ground will be accelerated.Increasing the relative thickness of soil layer with high permeability or low compressibility will also accelerate the consolidation rate of double-layered soil.展开更多
目的基于德尔菲法筛选出国家医疗保障疾病诊断相关分组(ChinaHealthcare Security Diagnosis Related Groups,CHS-DRG)付费下医保基金监管指标,提高医疗机构医保基金监管效能。方法采用德尔菲法,选择医保专业领域专家32人,通过两轮专家...目的基于德尔菲法筛选出国家医疗保障疾病诊断相关分组(ChinaHealthcare Security Diagnosis Related Groups,CHS-DRG)付费下医保基金监管指标,提高医疗机构医保基金监管效能。方法采用德尔菲法,选择医保专业领域专家32人,通过两轮专家问卷咨询,设计CHS-DRG付费下医保基金监管指标测评量表。咨询结果从积极性、权威性、协调性等3个方面进行测评。结果构建基于医保基金使用质量、效率和安全监管3个维度的医保基金监管指标体系,包含3个一级指标、7个二级指标、44个三级指标。结论CHS-DRG付费下医保基金监管指标体系构建应尊重临床诊疗实际,强化智能化监管方式,及时干预医保基金管理风险。展开更多
基金Project(51578511)supported by the National Natural Science Foundation of China。
文摘To further investigate the one-dimensional(1D)rheological consolidation mechanism of double-layered soil,the fractional derivative Merchant model(FDMM)and the non-Darcian flow model with the non-Newtonian index are respectively introduced to describe the deformation of viscoelastic soil and the flow of pore water in the process of consolidation.Accordingly,an 1D rheological consolidation equation of double-layered soil is obtained,and its numerical analysis is performed by the implicit finite difference method.In order to verify its validity,the numerical solutions by the present method for some simplified cases are compared with the results in the related literature.Then,the influence of the revelent parameters on the rheological consolidation of double-layered soil are investigated.Numerical results indicate that the parameters of non-Darcian flow and FDMM of the first soil layer greatly influence the consolidation rate of double-layered soil.As the decrease of relative compressibility or the increase of relative permeability between the lower soil and the upper soil,the dissipation rate of excess pore water pressure and the settlement rate of the ground will be accelerated.Increasing the relative thickness of soil layer with high permeability or low compressibility will also accelerate the consolidation rate of double-layered soil.
文摘目的基于德尔菲法筛选出国家医疗保障疾病诊断相关分组(ChinaHealthcare Security Diagnosis Related Groups,CHS-DRG)付费下医保基金监管指标,提高医疗机构医保基金监管效能。方法采用德尔菲法,选择医保专业领域专家32人,通过两轮专家问卷咨询,设计CHS-DRG付费下医保基金监管指标测评量表。咨询结果从积极性、权威性、协调性等3个方面进行测评。结果构建基于医保基金使用质量、效率和安全监管3个维度的医保基金监管指标体系,包含3个一级指标、7个二级指标、44个三级指标。结论CHS-DRG付费下医保基金监管指标体系构建应尊重临床诊疗实际,强化智能化监管方式,及时干预医保基金管理风险。
