修订结构需求(personal need for structure,PNS)量表,对1042名被试进行问卷测量。项目分析显示,11道题目均符合心理测量学要求。验证性因素分析表明,中文版量表符合原量表的二因素模型,即"对结构的需求"和"对缺乏结构...修订结构需求(personal need for structure,PNS)量表,对1042名被试进行问卷测量。项目分析显示,11道题目均符合心理测量学要求。验证性因素分析表明,中文版量表符合原量表的二因素模型,即"对结构的需求"和"对缺乏结构的反应"。量表的内部一致性和分半信度均高于0.80,重测信度为0.79。量表具有较好的效标关联效度。展开更多
When an underground structure passes through a liquefiable soil layer,the soil liquefaction may pose a significant threat to the structure.A centrifuge shaking table test was performed to research the seismic response...When an underground structure passes through a liquefiable soil layer,the soil liquefaction may pose a significant threat to the structure.A centrifuge shaking table test was performed to research the seismic response of underground structures in liquefiable interlayer sites,and a valid numerical model was obtained through simulation model test.Finally,the calibrated numerical model was used to perform further research on the influence of various distribution characteristics of liquefiable interlayers on the seismic reaction of underground structures.The key findings are as follows.The structure faces the most unfavorable condition once a liquefiable layer is located in the middle of the underground structure.When a liquefiable layer exists in the middle of the structure,the seismic reactions of both the underground structure and model site will increase with the rise of the thickness of the liquefiable interlayer.The inter-story drift of the structure in the non-liquefiable site is much smaller than that in the liquefiable interlayer site.The inter-story drift of the structure is not only associated with the site displacement and the soil-structure stiffness ratio but also closely associated with the slippage of the soil-structure contact interface under the condition of large deformation of the site.展开更多
文摘修订结构需求(personal need for structure,PNS)量表,对1042名被试进行问卷测量。项目分析显示,11道题目均符合心理测量学要求。验证性因素分析表明,中文版量表符合原量表的二因素模型,即"对结构的需求"和"对缺乏结构的反应"。量表的内部一致性和分半信度均高于0.80,重测信度为0.79。量表具有较好的效标关联效度。
基金National Natural Science Foundation of China under Grant No.52078020。
文摘When an underground structure passes through a liquefiable soil layer,the soil liquefaction may pose a significant threat to the structure.A centrifuge shaking table test was performed to research the seismic response of underground structures in liquefiable interlayer sites,and a valid numerical model was obtained through simulation model test.Finally,the calibrated numerical model was used to perform further research on the influence of various distribution characteristics of liquefiable interlayers on the seismic reaction of underground structures.The key findings are as follows.The structure faces the most unfavorable condition once a liquefiable layer is located in the middle of the underground structure.When a liquefiable layer exists in the middle of the structure,the seismic reactions of both the underground structure and model site will increase with the rise of the thickness of the liquefiable interlayer.The inter-story drift of the structure in the non-liquefiable site is much smaller than that in the liquefiable interlayer site.The inter-story drift of the structure is not only associated with the site displacement and the soil-structure stiffness ratio but also closely associated with the slippage of the soil-structure contact interface under the condition of large deformation of the site.
