Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines: Integral Abutments Supported on Steel Pile/Concrete Drilled Shaft in Glacial Clay
| 项目名称： | Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines: Integral Abutments Supported on Steel Pile/Concrete Drilled Shaft in Glacial Clay |
| 摘要： | The 9th Street bridge in Des Moines is the first bridge in Iowa that uses a unique integral abutment design. The integral abutments are supported on steel H-piles that are embedded into concrete drilled shafts, which are seated in glacial clay. This unique design was developed in an effort to address environmental concerns--namely vibrations from pile driving--while also providing a long-lasting structure in the form of a jointless bridge. Although this innovative work is promising, it is unproven and will not become a common option unless adequate testing and monitoring are performed to validate design and behavior assumptions. A total of three pile/shaft elements will be instrumented and monitored over a minimum two-year period. |
| 状态： | Active |
| 资金： | 0.00 |
| 资助组织： | Iowa Department of Transportation |
| 执行机构： | Midwest Transportation Consortium |
| 开始时间： | 20060415 |
| 主题领域： | Bridges and other structures；Construction；Highways；Research；I30: Materials |
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