Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction
Combined double thin-walled pier is a new kind of pier adopted in the urban transit system in China, whose longitudinal stiffness cannot be determined by adopting traditional methods. Aiming at this practical issue, this work proposed an alternative method for determining the longitudinal stiffness...
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| Format: | Article |
| Language: | English |
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Wiley
2020-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2020/7035234 |
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| author | Hui Fang Zhaowei Chen |
| author_facet | Hui Fang Zhaowei Chen |
| author_sort | Hui Fang |
| collection | DOAJ |
| description | Combined double thin-walled pier is a new kind of pier adopted in the urban transit system in China, whose longitudinal stiffness cannot be determined by adopting traditional methods. Aiming at this practical issue, this work proposed an alternative method for determining the longitudinal stiffness of the combined double thin-walled pier based on the train-track-bridge interaction. Primarily, the relationship between longitudinal stiffness of the pier and rail stress is underlined, based on which the proposed methodology is described in detail. Finally, a case study is conducted to validate the effectiveness of the proposed method. Results show that the train-track-bridge dynamic interaction theory is effective in determining the longitudinal stiffness of the newly designed and special pier. Rail stress and longitudinal displacement of pier top exceed their limit values with the change of pier longitudinal stiffness. The dynamic stress and thermal stress of rail are the two most important indicators in determining pier longitudinal stiffness, which should be paid attention to in practical engineering. |
| format | Article |
| id | doaj-art-b575d021dc814ac1b2b83da3b744c1ed |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-b575d021dc814ac1b2b83da3b744c1ed2025-02-03T01:27:25ZengWileyAdvances in Civil Engineering1687-80861687-80942020-01-01202010.1155/2020/70352347035234Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge InteractionHui Fang0Zhaowei Chen1State Grid Chongqing Electric Power Research Institute, Chongqing, ChinaSchool of Mechanotronics & Vehicle Engineering, Chongqing Jiaotong University, Chongqing, ChinaCombined double thin-walled pier is a new kind of pier adopted in the urban transit system in China, whose longitudinal stiffness cannot be determined by adopting traditional methods. Aiming at this practical issue, this work proposed an alternative method for determining the longitudinal stiffness of the combined double thin-walled pier based on the train-track-bridge interaction. Primarily, the relationship between longitudinal stiffness of the pier and rail stress is underlined, based on which the proposed methodology is described in detail. Finally, a case study is conducted to validate the effectiveness of the proposed method. Results show that the train-track-bridge dynamic interaction theory is effective in determining the longitudinal stiffness of the newly designed and special pier. Rail stress and longitudinal displacement of pier top exceed their limit values with the change of pier longitudinal stiffness. The dynamic stress and thermal stress of rail are the two most important indicators in determining pier longitudinal stiffness, which should be paid attention to in practical engineering.http://dx.doi.org/10.1155/2020/7035234 |
| spellingShingle | Hui Fang Zhaowei Chen Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction Advances in Civil Engineering |
| title | Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction |
| title_full | Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction |
| title_fullStr | Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction |
| title_full_unstemmed | Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction |
| title_short | Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction |
| title_sort | method for determining longitudinal stiffness of combined double thin walled pier based on train track bridge interaction |
| url | http://dx.doi.org/10.1155/2020/7035234 |
| work_keys_str_mv | AT huifang methodfordetermininglongitudinalstiffnessofcombineddoublethinwalledpierbasedontraintrackbridgeinteraction AT zhaoweichen methodfordetermininglongitudinalstiffnessofcombineddoublethinwalledpierbasedontraintrackbridgeinteraction |