Seismic Assessment of Cut and Cover Tunnels - Large Scale Tests
| 项目名称： | Seismic Assessment of Cut and Cover Tunnels - Large Scale Tests |
| 摘要： | The use of precast and cast-in-place cut and cover tunnels, particularly in urban areas, is increasing in California. Seismic performance of such buried structures is critical in the overall post earthquake availability for the transportation systems. Placing these tunnels on competent or soft and liquefiable soils and covering them with a variety of backfill soils may create a varying seismic response. Seismic ground-tunnel interaction mechanisms are dictated by geometry, stiffness characteristics, and deformation mechanisms of the underground conduit and the surrounding soil. Large-scale shake table testing of representative configurations will provide data sets of seismic response that provide a physical basis for: (1) development of assessment approaches; (2) development and calibration of analytical and numerical models; and (3) development of design guidelines. Such large-scale experimentation allows for employing actual field construction procedures, soil materials, and soil placement/compaction methods. |
| 状态： | Active |
| 资助组织： | California Department of Transportation |
| 项目负责人： | Sikorsky, Charles |
| 执行机构： | Regents of the University of California, San Diego |
| 开始时间： | 20130201 |
| 预计完成日期： | 20180430 |
| 主题领域： | Bridges and other structures；Geotechnology；Highways |
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