Buy article PDF
The purchased file will be sent to you
via email after the payment is completed.
US$ 35
|
Geomechanics and Engineering Volume 30, Number 3, August10 2022 , pages 273-280 DOI: https://doi.org/10.12989/gae.2022.30.3.273 |
|
|
|
Vertical Z-vibration prediction model of ground building induced by subway operation |
||
Binghua Zhou, Yiguo Xue, Jun Zhang, Dunfu Zhang, Jian Huang, Daohong Qiu, Lin Yang, Kai Zhang and Jiuhua Cui
|
||
| Abstract | ||
| A certain amount of random vibration excitation to subway track is caused by subway operation. This excitation is transmitted through track foundation, tunnel, soil medium, and ground building to the ground and ground structure, causing vibration. The vibration affects ground building. In this study, the results of ANSYS numerical simulation was used to establish back-propagation (BP) neural network model. Moreover, a back-propagation neural network model consisting of five input neurons, one hidden layer, 11 hidden-layer neurons, and three output neurons was used to analyze and calculate the vertical Zvibration level of New Capital's ground buildings of Qingdao Metro phase I Project (Line M3). The Z-vibration level under different working conditions was calculated from monolithic roadbed, steel-spring floating slab roadbed, and rubber-pad floating slab roadbed under the working condition of center point of 0-100 m. The steel-spring floating slab roadbed was used in the New Capital area to monitor the subway operation vibration in this area. Comparing the monitoring and prediction results, it was found that the prediction results have a good linear relationship with lower error. The research results have good reference and guiding significance for predicting vibration caused by subway operation. | ||
| Key Words | ||
| ground building; neural network; vibration induced by subway operation; Z-vibration | ||
| Address | ||
| Binghua Zhou, Yiguo Xue: Geotechnical and Structural Engineering Research Center, Shandong University, Ji'nan 250061, Shandong, China Jun Zhang: Qingdao Metro Group Co. Ltd., Qingdao 266000, Shandong, China Dunfu Zhang: Geotechnical and Structural Engineering Research Center, Shandong University, Ji'nan 250061, Shandong, China Jian Huang: Qingdao Metro Group Co. Ltd., Qingdao 266000, Shandong, China Daohong Qiu: Geotechnical and Structural Engineering Research Center, Shandong University, Ji'nan 250061, Shandong, China Lin Yang: Qingdao Metro Group Co. Ltd., Qingdao 266000, Shandong, China Kai Zhang: Geotechnical and Structural Engineering Research Center, Shandong University, Ji'nan 250061, Shandong, China Jiuhua Cui: Geotechnical and Structural Engineering Research Center, Shandong University, Ji'nan 250061, Shandong, China | ||