A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An Overview of Stabilization/Solidification Technique for Heavy Metals Contaminated Soils
Abstract Recently, in-situ and ex-situ stabilization/solidification of heavy metals contaminated soils (HMCS) using lime, cement, and other binders has been widely adopted in geoenvironmental engineering practice. In this paper, the mechanisms of heavy metal-soil-binder interaction are overviewed based on literature studies. The performance of various leaching test standards for solidified HMCS is reviewed and the difference between these standards is compared in terms of soil grain size, soil-solution contact time, soil-solution ratio, rotary method, and solution type. The performance requirements for the HMCS under different engineering scenarios are presented. It also presents the shear strength properties and influencing factors including soil type, metal concentration, and curing time. The methods for analyzing environmental impact of HMCS to surroundings are addressed. The long-term performance of HMCS under conditions of infiltration of rainfall acid infiltration is discussed. Finally, the HMCS program undergoing at the Institute of Geotechnical Engineering, Southeast University is briefly introduced.
An Overview of Stabilization/Solidification Technique for Heavy Metals Contaminated Soils
Abstract Recently, in-situ and ex-situ stabilization/solidification of heavy metals contaminated soils (HMCS) using lime, cement, and other binders has been widely adopted in geoenvironmental engineering practice. In this paper, the mechanisms of heavy metal-soil-binder interaction are overviewed based on literature studies. The performance of various leaching test standards for solidified HMCS is reviewed and the difference between these standards is compared in terms of soil grain size, soil-solution contact time, soil-solution ratio, rotary method, and solution type. The performance requirements for the HMCS under different engineering scenarios are presented. It also presents the shear strength properties and influencing factors including soil type, metal concentration, and curing time. The methods for analyzing environmental impact of HMCS to surroundings are addressed. The long-term performance of HMCS under conditions of infiltration of rainfall acid infiltration is discussed. Finally, the HMCS program undergoing at the Institute of Geotechnical Engineering, Southeast University is briefly introduced.
An Overview of Stabilization/Solidification Technique for Heavy Metals Contaminated Soils
Du, Yan-Jun (author) / Liu, Song-Yu (author) / Liu, Zhi-Bin (author) / Chen, Lei (author) / Zhang, Fan (author) / Jin, Fei (author)
Advances in Environmental Geotechnics ; 760-766
2010-01-01
7 pages
Article/Chapter (Book)
Electronic Resource
English
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