Building settlement; Case study; Mechanized tunneling; Sensitivity field; Sensor location; Tilt; Geotechnical Engineering and Engineering Geology; Computer Science Applications
Abstract :
[en] This study adopts the local and global sensitivity analyses to study the influence of the soil-tunnel-building system characters (e.g. soil properties, building's stiffness and position, tunnel volume-loss and embedment depth, soil-building interface properties) on the settlement and tilt of building. To properly update the design parameters during tunnel construction, a field sensitivity analysis is proposed to find the optimal position of the sensors in a priori to increase the quality of measurements (less uncertainty) which leads to efficient identification of the soil parameters from the measurements. The validity of this methodology is justified by applying it to a case study.
Disciplines :
Civil engineering
Author, co-author :
Zhao, Chenyang; Chair of Foundation Engineering, Soil and Rock Mechanics, Ruhr-Universität Bochum, Bochum, Germany
ALIMARDANI LAVASAN, Arash ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Hölter, Raoul; Chair of Foundation Engineering, Soil and Rock Mechanics, Ruhr-Universität Bochum, Bochum, Germany
Schanz, Tom; Chair of Foundation Engineering, Soil and Rock Mechanics, Ruhr-Universität Bochum, Bochum, Germany
External co-authors :
yes
Language :
English
Title :
Mechanized tunneling induced building settlements and design of optimal monitoring strategies based on sensitivity field
German Research Foundation China Scholarship Council
Funding text :
This research has been supported by the German Research Foundation (DFG) through the Collaborative Research Center ( SFB 837 ), and the first author is sponsored through a scholarship by China Scholarship Council (CSC). These supports are gratefully acknowledged. The authors also would like to acknowledge the discussion with Prof. Teruo Nakai (Geo-Research Institute, Nagoya, Japan) and Prof. Hossain Shahin (Islamic University of Technology, Gazipur, Bangladesh) on the monitored data for the tunneling model tests.
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