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Ground Improvement Case Histories by Cholachat Rujikiatkamjorn, Jian Chu, Buddhima Indraratna

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Chapter 7

Numerical Modeling of Clogging in a Permeable Reactive Barrier and Rejuvenation by Alkaline Fluid Injection in the Shoalhaven Floodplain, Australia

Udeshini Pathirage1; Laura Banasiak1; Buddhima Indraratna1; Glenys Lugg2    1 Centre for Geomechanics and Railway Engineering, Faculty of Engineering and Information Sciences, University of Wollongong, NSW, Australia2 Manildra Group, Nowra, NSW, Australia

Abstract

A permeable reactive barrier (PRB) was utilized to remediate the acidic water generated from acid sulfate soil (ASS) in the Shoalhaven Floodplain approximately 100 km south of Sydney, Australia, where acidic groundwater is a severe environmental, social, and economic problem. After testing more than 20 alkaline materials, recycled ...

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