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Laboratory Measurements of K0 of Municipal Solid Waste

  • Pengbo YuanEmail author
  • Edward KvazanjianJr.
  • Wenwu Chen
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

Laboratory measurements of the coefficient of earth pressure at rest, K0, of municipal solid waste were made in a large-scale testing device using tactile pressure sensors. The effects of waste composition, compaction and overconsolidation ratio (OCR) on the coefficient earth pressure at rest, K0 of municipal solid waste were evaluated. The tests results showed that K0 of municipal solid waste decreased with increasing fiber content and OCR of the waste. K0 decreased at first with increasing of applied vertical stress and then became approximately constant value at 0.48, 0.35, and 0.23 for MSW 100% < 20 mm, MSW 65% < 20 mm and MSW 35% < 20 mm respectively. Compaction effort also affected the initial value of K0. However, with increasing vertical stress the effect of compaction decreased and was finally eliminated.

Keywords

Municipal solid waste Landfill Tactile pressure sensor OCR 

Notes

Acknowledgments

The work described in this paper was funded by the National Science Foundation Division of Civil, Mechanical, and Manufacturing Innovation under Grant CMMI-0635435 and by the China Scholarship Council. Any opinions, findings, conclusions, and recommendations expressed herein are those of the authors and do not reflect the views of the National Science Foundation. The authors also wish to acknowledge the contribution of John Kondziolka and Zachery Shafer, undergraduate laboratory assistants at Arizona State University, to this work, who helped conduct the tests and reduce the data reported herein.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Pengbo Yuan
    • 1
    • 3
    Email author
  • Edward KvazanjianJr.
    • 2
  • Wenwu Chen
    • 1
    • 3
  1. 1.School of Civil Engineering and MechanicsLanzhou UniversityLanzhouChina
  2. 2.The Center for Bio-Inspired and Bio-Mediated GeotechnicsArizona State UniversityTempeUSA
  3. 3.Key Laboratory of Mechanics on Disaster and Environment in Western ChinaThe Ministry of Education of ChinaLanzhouChina

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