Journal
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
Volume 15, Issue 1, Pages 1-21Publisher
ZHEJIANG UNIV
DOI: 10.1631/jzus.A1300217
Keywords
Centrifuge; Building tilt; Tunnel; Excavation; Slope
Categories
Funding
- Program for Changjiang Scholars and the Innovative Research Team in the University of Ministry of Education of China [IRT1125]
- 111 Project, China [B13024]
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Geotechnical centrifuge modelling is an advanced physical modelling technique for simulating and studying geotechnical problems. It provides physical data for investigating mechanisms of deformation and failure and for validating analytical and numerical methods. Due to its reliability, time and cost effectiveness, centrifuge modelling has often been the preferred experimental method for addressing complex geotechnical problems. In this ZENG Guo-xi Lecture, the kinematics, fundamental principles and principal applications of geotechnical centrifuge modelling are introduced. The use of the state-of-the-art geotechnical centrifuge at the Hong Kong University of Science and Technology (HKUST), China to investigate four types of complex geotechnical problems is reported. The four geotechnical problems include correction of building tilt, effect of tunnel collapse on an existing tunnel, excavation effect on pile capacity and liquefied flow and non-liquefied slide of loose fill slopes. By reporting major findings and new insights from these four types of centrifuge tests, it is hoped to illustrate the role of state-of-the-art geotechnical centrifuge modelling in advancing the scientific knowledge of geotechnical problems.
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