Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Substitutive Fills for Geocell: Lime-Fly Ash Stabilization of Muddy Soil Due to Argillization of Mudstone
The damage to roadway floor by the argillization of mudstone in a humid or saturated environment is considered as a hazard in mining engineering. In Shendong Coalfield, the mudstone roadway floor is completely damaged due to argillization and dynamic loading. In order to stabilize it, a cost-effective method, lime fly-ash stabilized muddy argilization mudstone and geocell reinforcement stabilized mixture is proposed. This study relates to determinate the geotechnical properties of swelled mudstone mixed with coal dust when it is stabilized by lime-fly ash and to assess the feasibility of using the stabilized mixture as the geocell substitutive fills. Laboratory tests were conducted to determine the standard Proctor compaction curves and the unconfined compressive strengths of stabilized specimens with optimal lime-fly ash component mixtures and that of geocell reinforced optimal stabilized mixture. Strength comparison was made between the common geocell fill materials and the lime fly ash stabilized mudstone mixture. The results show that the stabilized soil mixture can be used as geocell fill materials in terms of strength, compressibility and resilient modulus.
Substitutive Fills for Geocell: Lime-Fly Ash Stabilization of Muddy Soil Due to Argillization of Mudstone
The damage to roadway floor by the argillization of mudstone in a humid or saturated environment is considered as a hazard in mining engineering. In Shendong Coalfield, the mudstone roadway floor is completely damaged due to argillization and dynamic loading. In order to stabilize it, a cost-effective method, lime fly-ash stabilized muddy argilization mudstone and geocell reinforcement stabilized mixture is proposed. This study relates to determinate the geotechnical properties of swelled mudstone mixed with coal dust when it is stabilized by lime-fly ash and to assess the feasibility of using the stabilized mixture as the geocell substitutive fills. Laboratory tests were conducted to determine the standard Proctor compaction curves and the unconfined compressive strengths of stabilized specimens with optimal lime-fly ash component mixtures and that of geocell reinforced optimal stabilized mixture. Strength comparison was made between the common geocell fill materials and the lime fly ash stabilized mudstone mixture. The results show that the stabilized soil mixture can be used as geocell fill materials in terms of strength, compressibility and resilient modulus.
Substitutive Fills for Geocell: Lime-Fly Ash Stabilization of Muddy Soil Due to Argillization of Mudstone
Li, Jun-Wei (Autor:in) / Huang, Hong-Wei (Autor:in)
GeoShanghai International Conference 2006 ; 2006 ; Shanghai, China
11.05.2006
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Fills , Seismic effects , Lime , Coal mining , Fly ash , China , Soil stabilization , Remediation
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