Abstract
In June 2008, the Shenzhen landfill slope failed. This case is used as an example to study the deformation characteristics and failure mode of a slope induced by high water levels. An integrated monitoring system, including water level gauges, electronic total stations, and inclinometers, was used to monitor the slope failure process. The field measurements suggest that the landfill landslide was caused by a deep slip along the weak interface of the composite liner system at the base of the landfill. The high water level is considered to be the main factor that caused this failure. To calculate the relative interface shear displacements in the geosynthetic multilayer liner system, a series of numerical direct shear tests were carried out. Based on the numerical results, the composite lining system simplified and the centrifuge modeling technique was used to quantitatively evaluate the effect of water levels on landfill instability.
Highlights
Since millions of tons of municipal solid waste (MSW) are being dumped onto “garbage mountains” every day, disposal of this waste is an increasing concern throughout the world [1].Further, as MSW consists of large amount of organic and vegetable wastes, the leachates from these wastes cause leachate levels to rise, which affects both the stability of the slope and the drainage of polluted water
Hendron et al [2] and Caicedo et al [3] independently concluded that high pore water pressure in an excessively wet waste body were mainly responsible for the instability and failure of the Dona
Due to the failure of the leachate drainage system, the water level was relatively high. This led to a further rise in the water level, which increased the weight of the MSW
Summary
Since millions of tons of municipal solid waste (MSW) are being dumped onto “garbage mountains” every day, disposal of this waste is an increasing concern throughout the world [1]. The failure mechanism and the mode of landfill instability have been studied through field these studies used an integrated system to monitor the landfill Such a system can monitor the surface investigations [6,7,8,9], physical model tests [10,11] and numerical simulations [12,13,14]. Surface horizontal displacement, the deep lateral displacement, and the water level This landfill haspaper, undergone severe deformation and failure. Xiaping An landfill) landslide case studysystem, is including water level gauges, electronic total stations, and inclinometers, was used monitor the presented. This landfill has undergone severe deformation and failure. Technique was used to quantitatively evaluate the effect of water level on the landfill instability
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
