Substructure Sensing in a Rail Bridge

Helsin Wang, Chih Hsin Hu, Hsin Chu Tsai, Chung Yue Wang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Lacking substructure information usually challenges bridge agencies when evaluating the flood or earthquake resistance of bridges in disaster-prone areas. Appropriate substructure inspection techniques are essential for bridge engineers to develop repair strategies efficiently and reasonably allocate maintenance funds. In this article, the electrical resistivity tomography technique was introduced to the foundation inspection of a rail bridge in Taiwan. Different survey layouts were chosen to inspect the pile bent substructures. Initially, the investigation line parallel to the traffic direction indicated an unexpected substructure pattern. Such a shallow low-resistivity anomaly crossing over more than ten pile bents severely interfered with the foundation depth inspection. Using two alternative investigation lines perpendicular to the previous survey direction successfully separated this low-resistivity zone into two single parts. One deeper low-resistivity contour located right below bridge position was identified as the foundation depths. Another shallow vertical-shape low-resistivity zone was identified as abandoned temporal sheet piles. This investigation case also reveals that two survey lines in different directions are suggested to separate the target substructure from unexpected embedded anomalies effectively.

原文???core.languages.en_GB???
主出版物標題Advances in Transportation Geotechnics IV - Proceedings of the 4th International Conference on Transportation Geotechnics
編輯Erol Tutumluer, Soheil Nazarian, Imad Al-Qadi, Issam I. A. Qamhia
發行者Springer Science and Business Media Deutschland GmbH
頁面3-13
頁數11
ISBN(列印)9783030772338
DOIs
出版狀態已出版 - 2022
事件4th International Conference on Transportation Geotechnics, ICTG 2021 - Chicago, United States
持續時間: 23 5月 202126 5月 2021

出版系列

名字Lecture Notes in Civil Engineering
165
ISSN(列印)2366-2557
ISSN(電子)2366-2565

???event.eventtypes.event.conference???

???event.eventtypes.event.conference???4th International Conference on Transportation Geotechnics, ICTG 2021
國家/地區United States
城市Chicago
期間23/05/2126/05/21

指紋

深入研究「Substructure Sensing in a Rail Bridge」主題。共同形成了獨特的指紋。

引用此