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Instrumentation and Monitoring of Rustic Road Geosynthetic Reinforced Soil (GRS) Integrated Bridge System (IBS)
| 题名： | Instrumentation and Monitoring of Rustic Road Geosynthetic Reinforced Soil (GRS) Integrated Bridge System (IBS) |
| 作者： | Boeckmann, A.; Lindsey, E.; Runge, S.; Loehr, J. E. |
| 关键词： | Bridge abutments##Bridge construction##Earth pressure##Geosynthetics##Monitoring##Pore pressure##Sensors##Geotechnical instrumentation##Abutment performance## |
| 摘要： | An instrumentation and monitoring system was implemented for a geosynthetic reinforced soil (GRS) integrated bridge system (IBS) constructed in Boone County, Missouri in 2014. The project location is subjected to relatively frequent flash flooding, which was a significant consideration in the design of the bridge and the design of the monitoring system. The monitoring system includes 26 surveying points on the bridge exterior to monitor external movement; settlement plates and inclinometers to monitor vertical and horizontal exterior movement, respectively; earth pressure cells to monitor total stresses within the abutment backfill; and vibrating wire piezometers to monitor pore pressures and drainage within the abutment backfill. The GRS-IBS was monitored for a period of 19 months after construction. The monitoring period included several high-water events, but none overtopped the bridge. The results indicate satisfactory performance, including negligible external and internal movements and rapid backfill drainage in response to groundwater level increases. |
| 总页数： | 76 |
| 报告类型： | 科技报告 |
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