RT Journal Article
A1 Liyun Tang
A1 Bochao Wang
A1 Yingming Wu
A1 Jiami Xi
A1 Di Wu

PB iet
T1 Impact analysis of vibration on nearby municipal tunnel induced by metro running
JN The Journal of Engineering
VO 2018
IS 7
SP 360
OP 366
AB For researching the effect of vibration induced by metro running to normal use of municipal tunnel, the Kunming Road Municipal Tunnel (construction) at Xi'an is taken as a background. Based on the distribution of soil layer in actually engineering and the designing parameter of metro and municipal tunnel, the finite element model of ‘metro-soil–municipal tunnel’ is established under three different positions, and the wheel–rail force at three different speeds (36, 72, and 108 km/h) is simplified by exciting force faction. Then the numerical model is analysed by transient dynamic analysis. The results show that the vibration of municipal tunnel wall is mainly characterised by vertical vibration, which increases sharply with the metro speed improved. The vibration magnitude is greatly affected by relative position between metro and municipal tunnel: the horizontal and vertical vibration magnitude above the position between two metro tunnels is 14.6–20.8% and 55.5–74.6%, respectively, of those at the top of the metro tunnel. Some suggestions are proposed that the vibration effect induced by metro running on normal use of nearby municipal tunnel could be reduced by choosing the reasonable relative position with some corresponding measures according to the metro speed.
K1 metro speed
K1 metro tunnel
K1 nearby municipal tunnel
K1 municipal tunnel wall
K1 velocity 72.0 km/h
K1 metro running
K1 velocity 108.0 km/h
K1 Kunming Road Municipal Tunnel
K1 vertical vibration
K1 vibration magnitude
K1 metro-soil–municipal tunnel
K1 velocity 36.0 km/h
K1 vibration effect
DO https://doi.org/10.1049/joe.2018.0082
UL https://digital-library.theiet.org/;jsessionid=2l5k10gwmk5d9.x-iet-live-01content/journals/10.1049/joe.2018.0082
LA English
SN
YR 2018
OL EN