Evaluation of the geotechnical properties of MSW in two Brazilian landfills |
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| Authors: | Sandro Lemos Machado Mehran Karimpour-Fard Nader Shariatmadari Miriam Fatima Carvalho Julio C.F. do Nascimento |
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| Affiliation: | 1. Dept. of Materials Science and Technology, Federal University of Bahia, 02 Aristides Novis St., Salvador 40210-630, BA, Brazil;2. Dept. of Civil Engineering, Iran University of Science and Technology, Narmak, Teharn 16846-13114, Iran;3. School of Engineering, Catholic University of Salvador, 2589 Pinto de Aquiar Av., Salvador 40710-000, BA, Brazil;4. Geotechnical Engineering Department, University of Sao Paulo, 1465 Dr. Carlos Botelho Av., Sao Carlos, SP 13560-250, Brazil;1. Yuhangtang Road 866#, MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China;2. Chaowang Road 18#, Institute of Geotechnical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;3. Wuyishan Road 341#, Qingdao Port Group Co., LTD, Qingdao 266011, China;1. Zhejiang University of Technology, 310023 Hangzhou, China;2. University of Southampton, SO17 1BJ Southampton, UK;3. Shanghai University, 200444 Shanghai, China;4. Ecologia Environmental Solutions Ltd, ME9 8BZ Kent, UK;5. Zhejiang Sci-Tech University, 310018 Hangzhou, China;1. Department of Geotechnical Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;2. Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China;1. Dept. Civil and Environmental Engineering, Colorado State University, Fort Collins, CO 80523, USA;2. School of Engineering, University of Virginia, Charlottesville, VA 22903, USA;3. Assessment and Remediation Group, Barr Engineering Co., Minneapolis, MN 55435, USA;1. ?zmir Katip Çelebi University, Department of Civil Engineering, Çi?li, ?zmir 35620, Turkey;2. Dokuz Eylül University, Department of Civil Engineering, Buca, ?zmir 35160, Turkey |
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| Abstract: | The characteristics of municipal solid waste (MSW) play a key role in many aspects of waste disposal facilities and landfills. Because most of a landfill is made up of MSW, the overall stability of the landfill slopes are governed by the strength parameters and physical properties of the MSW. These parameters are also important in interactions involving the waste body and the landfill structures: cover liner, leachate and gas collection systems. On the other hand, the composition of the waste, which affects the geotechnical behavior of the MSW, is dependent on a variety of factors such as climate, disposal technology, the culture and habits of the local community. It is therefore essential that the design and stability evaluations of landfills in each region be performed based on the local conditions and the geotechnical characteristic of the MSW. The Bandeirantes Landfill, BL, in São Paulo and the Metropolitan Center Landfill, MCL, in Salvador, are among the biggest landfills in Brazil. These two disposal facilities have been used for the development of research involving waste mechanics in recent years. Considerable work has been made in the laboratory and in the field to evaluate parameters such as water and organic contents, composition, permeability, and shear strength. This paper shows and analyzes the results of tests performed on these two landfills. The authors believe that these results could be a good reference for certain aspects and geotechnical properties of MSW materials in countries with similar conditions. |
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