Experimental investigation on train-induced vibration of the ground railway embankment and under-crossing subway tunnels

被引：43
作者：
Zhang, Xiaohui [1 ,2 ]
Zhou, Shunhua [1 ,2 ]
He, Chao [1 ,2 ]
Di, Honggui [1 ,2 ]
Si, Jinbiao [1 ,2 ]
机构：
[1] Tongji Univ, Minist Educ, Key Lab Rd & Traff Engn, Shanghai 201804, Peoples R China
[2] Tongji Univ, Shanghai Key Lab Rail Infrastruct Durabil & Syst, Shanghai 201804, Peoples R China
来源：
TRANSPORTATION GEOTECHNICS | 2021年 / 26卷
基金：
中国国家自然科学基金;
关键词：
Train-induced vibration; Field test; Railway embankment; Subway tunnel; Simultaneous operation; EXPERIMENTAL VALIDATION; BORNE VIBRATIONS; FINITE-ELEMENT; DYNAMIC INTERACTION; NUMERICAL-MODEL; MOVING TRAINS; TWIN TUNNELS; PREDICTION; SYSTEM;
D O I：
10.1016/j.trgeo.2020.100422
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents a field measurement of the train-induced vibration in the northwest Shanghai, where Shanghai Metro Line 11 crosses under Beijing-Shanghai Railway. Ground and tunnel accelerations are measured for the separate and simultaneous passages of the ground and subway trains. Vibration characteristics are subsequently analyzed in the time domain and in the frequency domain. Measurement results show that the ground vibration acceleration level (VAL) induced by the simultaneous operation of the ground and subway trains is 6 similar to 13 dB greater than that induced by the separate operation for the frequency range 20 similar to 160 Hz. Significant frequency components of the vibration induced by the simultaneous operation are shown to be redistributed to cover those induced by the separate operation. Measured data in this experimental test can also be used to validate future numerical models for predicting train induced vibration of similar embankment-tunnel systems.
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页数：11
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