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Stability Monitoring of Articulated Concrete Block Strengthened Levee in Combined Wave and Surge Overtopping Conditions
Most earthen levee damages have occurred on the levee crest and downstream after Hurricane Katrina as a result of combined wave and surge overtopping. This study investigated the performance of one of the levee-strengthening methods, namely articulated concrete block (ACB) system, and its stability during the combined wave and surge overtopping. A full-scale experimental study on combined wave and surge overtopping of a levee strengthened by ACB was conducted in a two-dimensional laboratory wave-flow flume. Geotechnical instrumentation was installed for slope stability analysis and also for an assessment of change in soil parameters and embankment conditions. Piezometers, soil strain meters, soil moisture content meters, and pressure cells were used to monitor changes in pore water pressures, magnitude and location of the strains, change in moisture contents, and total pressure change. This information can be used to determine the condition of the embankments during and after construction. Movement of ACB was checked after each test. Total stress, pore water pressure, effective stress, soil strain, and soil moisture content were analyzed. The stability of ACB strengthened levee in the combined wave and surge overtopping was studied.
Stability Monitoring of Articulated Concrete Block Strengthened Levee in Combined Wave and Surge Overtopping Conditions
Most earthen levee damages have occurred on the levee crest and downstream after Hurricane Katrina as a result of combined wave and surge overtopping. This study investigated the performance of one of the levee-strengthening methods, namely articulated concrete block (ACB) system, and its stability during the combined wave and surge overtopping. A full-scale experimental study on combined wave and surge overtopping of a levee strengthened by ACB was conducted in a two-dimensional laboratory wave-flow flume. Geotechnical instrumentation was installed for slope stability analysis and also for an assessment of change in soil parameters and embankment conditions. Piezometers, soil strain meters, soil moisture content meters, and pressure cells were used to monitor changes in pore water pressures, magnitude and location of the strains, change in moisture contents, and total pressure change. This information can be used to determine the condition of the embankments during and after construction. Movement of ACB was checked after each test. Total stress, pore water pressure, effective stress, soil strain, and soil moisture content were analyzed. The stability of ACB strengthened levee in the combined wave and surge overtopping was studied.
Stability Monitoring of Articulated Concrete Block Strengthened Levee in Combined Wave and Surge Overtopping Conditions
Li, Lin (author) / Amini, Farshad (author) / Pan, Yi (author) / Li, Chi (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 262-271
2014-02-24
Conference paper
Electronic Resource
English
| British Library Conference Proceedings | 2014
Erosion Resistance of HPTRM Strengthened Levee from Combined Wave and Surge Overtopping
| Springer Verlag | 2014
Erosion Resistance of HPTRM Strengthened Levee from Combined Wave and Surge Overtopping
| British Library Online Contents | 2014
Erosion Resistance of HPTRM Strengthened Levee from Combined Wave and Surge Overtopping
| Online Contents | 2014
Erosion Resistance of HPTRM Strengthened Levee from Combined Wave and Surge Overtopping
| Online Contents | 2014