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題名 Videogrammetric Monitoring of As-built Membrane Roof Structures
作者 林士淵
 Lin,Shih-Yuan
貢獻者 地政系
關鍵詞 dynamic surface monitoring;membrane structure engineering;tensile architecture monitoring;videogrammetry
日期 2008
上傳時間 15-Sep-2014 16:04:54 (UTC+8)
摘要 A monitoring system that uses applied geomatics techniques, including videogrammetry and terrestrial laser scanning, has been developed in order to investigate the dynamic behaviour of as-built membrane roof structures. To accommodate the problems involved in measuring such roof structures, examples of which include uniform surface texture and unreachable height, the system adopts a non-contact targeting methodology to substitute for traditional control techniques. In-house software was developed for processing the acquired video imagery in order to produce a sequential surface model of the membrane. This paper firstly reports on experiments conducted to demonstrate that the monitoring system was capable of measuring representative test structures with a precision of better than ±1 mm. To prove the feasibility and transferability of the system, videogrammetric monitoring campaigns were subsequently performed at a real-world test site where two different types of membrane structure were observed. The sequential 3D surface models that were generated allowed the displacement of the membrane surfaces to be investigated over a period, during which the range of the movement reached over 20 mm. The information acquired from the system is proving to be of great value to structural engineers involved in research and development of such membrane structures.
關聯 Photogrammetric Record, Vol.23, No.122, pp.128-147.
資料類型 article
dc.contributor 地政系en_US
dc.creator (作者) 林士淵zh_TW
dc.creator (作者)  Lin,Shih-Yuanzh_TW
dc.date (日期) 2008en_US
dc.date.accessioned 15-Sep-2014 16:04:54 (UTC+8)-
dc.date.available 15-Sep-2014 16:04:54 (UTC+8)-
dc.date.issued (上傳時間) 15-Sep-2014 16:04:54 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/69924-
dc.description.abstract (摘要) A monitoring system that uses applied geomatics techniques, including videogrammetry and terrestrial laser scanning, has been developed in order to investigate the dynamic behaviour of as-built membrane roof structures. To accommodate the problems involved in measuring such roof structures, examples of which include uniform surface texture and unreachable height, the system adopts a non-contact targeting methodology to substitute for traditional control techniques. In-house software was developed for processing the acquired video imagery in order to produce a sequential surface model of the membrane. This paper firstly reports on experiments conducted to demonstrate that the monitoring system was capable of measuring representative test structures with a precision of better than ±1 mm. To prove the feasibility and transferability of the system, videogrammetric monitoring campaigns were subsequently performed at a real-world test site where two different types of membrane structure were observed. The sequential 3D surface models that were generated allowed the displacement of the membrane surfaces to be investigated over a period, during which the range of the movement reached over 20 mm. The information acquired from the system is proving to be of great value to structural engineers involved in research and development of such membrane structures.en_US
dc.language.iso en_US-
dc.relation (關聯) Photogrammetric Record, Vol.23, No.122, pp.128-147.en_US
dc.subject (關鍵詞) dynamic surface monitoring;membrane structure engineering;tensile architecture monitoring;videogrammetryen_US
dc.title (題名) Videogrammetric Monitoring of As-built Membrane Roof Structuresen_US
dc.type (資料類型) articleen