The objectives of this study are to determine the settlement and leachate generation from landfill lysimeters of municipal solid waste. Two identical lysimeters with a diameter and height of 0.70 m and 2.40 m were pre...The objectives of this study are to determine the settlement and leachate generation from landfill lysimeters of municipal solid waste. Two identical lysimeters with a diameter and height of 0.70 m and 2.40 m were prepared, respectively. The lysimeters were operated with and without leachate recirculation treatment. The settlement and leachate generation were quantified daily. The analysis of settlement was conducted by using hyperbolic function and curve fitting. Based on the experiments result, it is observed that garbage pile settlement in lysimeter treated with leachate recirculation （L-2） is higher than without recirculation treatment （L-1） as showed by the hyperbolic function and curve fitting result. The ultimate settlement （S_wlt） for L-1 and L-2 that used hyperbolic function were 0.487 m and 0.53 m, respectively. Meanwhile （S_wlt） that using curve fitting resulted 0.74 m, and 0.68 m for L-1 and L-2, respectively. The lysimeter which treated with leachate recirculation treatment showed a higher leachate height than without the treatment.展开更多
Based on the existing continuous borehole strain observation,the multiquadric function fitting method was used to deal with time series data. The impact of difference kernel function parameters was discussed to obtain...Based on the existing continuous borehole strain observation,the multiquadric function fitting method was used to deal with time series data. The impact of difference kernel function parameters was discussed to obtain a valuable fitting result,from which the physical connotation of the original data and its possible applications were analyzed.Meanwhile,a brief comparison was made between the results of multiquadric function fitting and polynomial fitting.展开更多
文摘The objectives of this study are to determine the settlement and leachate generation from landfill lysimeters of municipal solid waste. Two identical lysimeters with a diameter and height of 0.70 m and 2.40 m were prepared, respectively. The lysimeters were operated with and without leachate recirculation treatment. The settlement and leachate generation were quantified daily. The analysis of settlement was conducted by using hyperbolic function and curve fitting. Based on the experiments result, it is observed that garbage pile settlement in lysimeter treated with leachate recirculation （L-2） is higher than without recirculation treatment （L-1） as showed by the hyperbolic function and curve fitting result. The ultimate settlement （S_wlt） for L-1 and L-2 that used hyperbolic function were 0.487 m and 0.53 m, respectively. Meanwhile （S_wlt） that using curve fitting resulted 0.74 m, and 0.68 m for L-1 and L-2, respectively. The lysimeter which treated with leachate recirculation treatment showed a higher leachate height than without the treatment.
基金sponsored by the Annual Earthquake Tracking Task,CEA(2017010214)
文摘Based on the existing continuous borehole strain observation,the multiquadric function fitting method was used to deal with time series data. The impact of difference kernel function parameters was discussed to obtain a valuable fitting result,from which the physical connotation of the original data and its possible applications were analyzed.Meanwhile,a brief comparison was made between the results of multiquadric function fitting and polynomial fitting.
