Investigation on Vibration Influence Law of Double-Shield TBM Tunnel Construction
Source abstract
Abstract
Double-shield TBM is more efficient than shield tunnel construction in hard rock strata. It is widely used in subway tunnel construction, such as in Qingdao and Chongqing in China. However, construction vibration problems caused by double-shield TBM critically affect human comfort in surface buildings. In order to study the vibration influence law of double-shield TBM, the on-site monitoring plan of double-shield TBM is developed, relying on a tunnel section of Qingdao Metro Line 4. Then, the vibration monitoring results are analyzed, and the time domain and frequency domain characteristics of vibration acceleration are obtained. Subsequently, taking vibration peak acceleration as the research object, the transverse and longitudinal vibration laws of double-shield TBM construction are studied. Finally, according to the standard of human comfort in buildings, the vibration influence ranges of double-shield TBM construction are obtained. The research results can provide a reference for the vibration effect of double-shield TBM passing through houses, highways and bridges. Moreover, it can also provide a basis for the disputes that double-shield TBM tunnel construction affects the lives of inhabitants.
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Research context
OpenAlex topics: Tunneling and Rock Mechanics · Geotechnical Engineering and Analysis · Infrastructure Maintenance and Monitoring
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China
School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing 100083, China
Funding
National Natural Science Foundation of China · Key Technology Research and Development Program of Shandong · Key Technology Research of Shield and TBM Construction in Qingdao Metro Line 4 · Shield/TBM Construction Risk Consultation Project of Qingdao Metro Line 4
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