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A platform for research: civil engineering, architecture and urbanism
Field Monitoring of a Geogrid Reinforced MSW Slope
Abstract Geogrids are used to reinforce the MSW slope in some landfills, but the interactions between MSW and the geogrid reinforcement are not clear at present. Xingfeng landfill used geogrids to strengthen the MSW slope during the project of vertical expansion. To observe the behavior of the reinforced MSW slope, systematic field monitoring was carried out. The vertical earth pressures in the reinforced MSW and the tensile strains of the geogrid reinforcement were measured by earth pressure cells and flexible strain sensors, respectively. The distribution of the vertical earth pressures and the reinforcement strains was nonlinear along the length of reinforcement. The vertical earth pressures were adjusted to not equal the theoretical values due to the deformation of the geogrid reinforcement, indicating the interactions between MSW and geogrid reinforcement were relatively effective. However, due to the geogrid reinforcement is relatively short and doesn’t traverse the potential slip surface, the risks of slide still cannot be ignored for this reinforced MSW slope.
Field Monitoring of a Geogrid Reinforced MSW Slope
Abstract Geogrids are used to reinforce the MSW slope in some landfills, but the interactions between MSW and the geogrid reinforcement are not clear at present. Xingfeng landfill used geogrids to strengthen the MSW slope during the project of vertical expansion. To observe the behavior of the reinforced MSW slope, systematic field monitoring was carried out. The vertical earth pressures in the reinforced MSW and the tensile strains of the geogrid reinforcement were measured by earth pressure cells and flexible strain sensors, respectively. The distribution of the vertical earth pressures and the reinforcement strains was nonlinear along the length of reinforcement. The vertical earth pressures were adjusted to not equal the theoretical values due to the deformation of the geogrid reinforcement, indicating the interactions between MSW and geogrid reinforcement were relatively effective. However, due to the geogrid reinforcement is relatively short and doesn’t traverse the potential slip surface, the risks of slide still cannot be ignored for this reinforced MSW slope.
Field Monitoring of a Geogrid Reinforced MSW Slope
Ma, Pengcheng (author) / Lan, Jiwu (author) / Ke, Han (author)
2018-10-11
8 pages
Article/Chapter (Book)
Electronic Resource
English
Geogrid reinforcement , MSW slope , Field behavior Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Sustainable Development , Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
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