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In-Situ Monitoring of Infiltration-Induced Instability of I-70 Embankment West of the Eisenhower-Johnson Memorial Tunnels, Phase II
Infiltration-induced landslides are common hazards to roads in Colorado. A new methodology that uses recent advances in unsaturated soil mechanics and hydrology was developed and tested. The approach consists on using soil suction and moisture content field information in the prediction of the likelihood of landslide movement. The testing ground was an active landslide on I-70 west of the Eisenhower/Johnson Memorial Tunnels. A joint effort between Colorado School of Mines, CDOT, and USGS performed detailed site characterization, set up and calibrated a hydrological model of the site based on three years of field data, and performed a preliminary stability analysis of the slope. Results indicate that the unique hydrology of the site is a key component in its stability and considering the whole water basin and not just the failure area is important. A third phase of this project is needed for completing a detailed parametric analysis of the slope stability so that sound recommendations for site remediation can be provided and coordinated with CDOT. In the meantime, continuous information on ground water location and discrete readings on site movement is obtained.
In-Situ Monitoring of Infiltration-Induced Instability of I-70 Embankment West of the Eisenhower-Johnson Memorial Tunnels, Phase II
Infiltration-induced landslides are common hazards to roads in Colorado. A new methodology that uses recent advances in unsaturated soil mechanics and hydrology was developed and tested. The approach consists on using soil suction and moisture content field information in the prediction of the likelihood of landslide movement. The testing ground was an active landslide on I-70 west of the Eisenhower/Johnson Memorial Tunnels. A joint effort between Colorado School of Mines, CDOT, and USGS performed detailed site characterization, set up and calibrated a hydrological model of the site based on three years of field data, and performed a preliminary stability analysis of the slope. Results indicate that the unique hydrology of the site is a key component in its stability and considering the whole water basin and not just the failure area is important. A third phase of this project is needed for completing a detailed parametric analysis of the slope stability so that sound recommendations for site remediation can be provided and coordinated with CDOT. In the meantime, continuous information on ground water location and discrete readings on site movement is obtained.
In-Situ Monitoring of Infiltration-Induced Instability of I-70 Embankment West of the Eisenhower-Johnson Memorial Tunnels, Phase II
A. Wayllace (author) / N. Lu (author) / J. Godt (author)
2017
69 pages
Report
No indication
English
British Library Conference Proceedings | 2012
|British Library Online Contents | 2013
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