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Status and prospects of frozen soil studies using CT technology

ISSN号：1000-131X
期刊名称：《土木工程学报》
时间：0
分类：TP274.51[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置] TP391.41[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
作者机构：[1]State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental Engineering Research Institute, Chinese Academy of Sciences, Lan.zhou, Gansu 730000, China
相关基金：Acknowledgments： The authors are grateful to the editors and reviewer for constructive suggestions. This paper was financially supported by the National Natural Science Foundation of China （Nos. 41023003, 40971046, 41201181）, the Foundation of State Key Laboratory of Frozen Soil En- gineering （No. Y252J81001） and the Youth Foundation of Cold and Arid Regions Environmental Engineering Research Institute, Chinese Academy of Sciences （No. 51Y251B91）.

作者： ShiJie Chen ShuPing Zhao Wei Ma QianTao Zhu LiLi Xing[1]

关键词： CT技术, 计算机断层扫描, 冷冻, 状态, 数字成像处理, 辅助设备, 内部结构, CT图像, CT technology, frozen soil, damage, mesostructure change, CT image processing

中文摘要：

This paper introduces the characteristics of Computed Tomography(CT)technology and reviews its history,current situation,representative achievements,and use of using CT technology on frozen soil study,including auxiliary equipment specially designed for frozen soil studies.CT numbers are used to analyze frozen soil internal structure change,defining and exploring damage evolution,and use of CT images on observing soil mesostructure.Finally,this paper presents existing problems confronted by using CT in frozen soil studies,possible solutions and challenges,among which,we introduce high quality CT image processing for frozen soils,and relations between CT number change and each component change on frozen soil samples within the region of interest.It is shown that present CT technology is one of the most ideal and effective technology to study frozen soil mesostructure using non-destructive testing.CT technology will play a key role in the study and development in the field of frozen soil by means of auxiliary equipment and the digital imaging processing.

英文摘要：

This paper introduces the characteristics of Computed Tomography （CT） technology and reviews its history, current situation, representative achievements, and use of using CT technology on frozen soil study, including auxiliary equipment specially de- signed for frozen soil studies. CT numbers are used to analyze frozen soil internal structure change, defining and exploring dam- age evolution, and use of CT images on observing soil mesostructure. Finally, this paper presents existing problems confronted by using CT in frozen soil studies, possible solutions and challenges, among which, we introduce high quality CT image processing for frozen soils, and relations between CT number change and each component change on frozen soil samples within the region of interest. It is shown that present CT technology is one of the most ideal and effective technology to study frozen soil mesostructure using non-desmactive testing. CT technology will play a key role in the study and development in the field of frozen soil by means of auxiliary equipment and the digital imaging processing.

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