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直投式改性剂对沥青及其混合料性能影响分析
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作者 白昭毅 徐文远 吴宇轩 《合成材料老化与应用》 CAS 2024年第1期32-36,共5页
干法直投改性是一种高效快捷的提升沥青混合料性能的改性方法。该文以ZM改性剂为研究对象,研究直投改性剂对于沥青及其混合料性能的影响,利用动态剪切流变试验(DSR)、沥青弯曲蠕变劲度试验(BBR)等评价ZM改性沥青的流变性能,通过车辙试... 干法直投改性是一种高效快捷的提升沥青混合料性能的改性方法。该文以ZM改性剂为研究对象,研究直投改性剂对于沥青及其混合料性能的影响,利用动态剪切流变试验(DSR)、沥青弯曲蠕变劲度试验(BBR)等评价ZM改性沥青的流变性能,通过车辙试验、冻融劈裂等试验评价ZM改性剂对于沥青混合料路用性能的影响。试验结果表明,ZM改性剂可以显著改善沥青的高温流变性能、弹性恢复能力,降低沥青的温度敏感性。在干法直投拌合工艺下ZM改性沥青混合料拥有良好的路用性能,其动稳定度提高133%,车辙深度降低39.1%。 展开更多
关键词 干法直投工艺 沥青混合料 流变特性 路用性能
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Heritage Communities in Consumer Contexts Spatial Production of Tourism Research-Take Qixian Zhao Yu Historical City as an Example
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作者 bai zhao-yi ZHU Jun-jie WEN Jia-hao 《Journal of Literature and Art Studies》 2024年第1期95-108,共14页
Taking Zhaoyu Historical City in Qixian County as an example,this paper explores the production process of tourism space in Zhaoyu Historical City in the context of consumption,based on Lefebvre's triadic dialecti... Taking Zhaoyu Historical City in Qixian County as an example,this paper explores the production process of tourism space in Zhaoyu Historical City in the context of consumption,based on Lefebvre's triadic dialectic theory.The study reveals that,driven by the development of tourism,subjects such as the government and planners possess absolute dominance over spatial representations,while residents demonstrate receptive and adaptive action strategies and social relations are reproduced,presenting a harmonious state.Further exploring the tourism community in the environmental performance of the subject of action,social relations,consumption demand,daily life practice,cultural capital,etc.,the daily life practice of the tourism community has transcended the original logic of tourism spatial production and has a certain extension.The mechanism analysis in this paper can help guide the healthy development of tourism space in the neighboring historical cities or communities and achieve the dual purpose of promoting the economic development of the community and heritage protection. 展开更多
关键词 spatial production theory tourism space consumption context heritage community ZhaoYu Historical City
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Application Strategies of Spatial Refinement Design in Ancient Cities Supported by Digital Te-Zhaoyu Ancient City in Qixian County as an Example
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作者 bai zhao-yi FANG Yu-xin WEN Jia-hao 《Journal of Literature and Art Studies》 2024年第6期474-490,共17页
Digital technology provides a method of quantitative investigation and data analysis for contemporary landscape spatial analysis,and related research is moving from image recognition to digital algorithmic analysis,pr... Digital technology provides a method of quantitative investigation and data analysis for contemporary landscape spatial analysis,and related research is moving from image recognition to digital algorithmic analysis,providing a more scientific and macroscopic way of research.The key to refinement design is to refine the spatial design process and the spatial improvement strategy system.Taking the ancient city of Zhaoyu in Qixian County,Shanxi Province as an example,(1)based on obtaining the integrated data of the ancient city through the drone tilt photography,the style and landscape of the ancient city are modeled;(2)the point cloud data with spatial information is imported into the point cloud analysis platform and the data analysis is carried out from the overall macroscopic style of the ancient city to the refinement level,which results in the formation of a more intuitive landscape design scheme,thus improving the precision and practicability of the landscape design;(3)Based on spatial big data,it starts from the spatial aggregation level,spatial distribution characteristics and other evaluation index system to achieve the refinement analysis of the site.Digital technology and methods are used throughout the process to explore the refined design path. 展开更多
关键词 digital technology Zhaoyu Ancient City tilt photography point cloud data
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