Avaliação Do Potencial De Utilização De Resíduo De Eta Como Impermeabilizante De Obras De Terra Para a Contenção De Resíduos

Marchiori, Leonardo; Studart, André; Morais, Maria Vitoria; Albuquerque, António; Cavaleiro, V.

doi:10.22533/at.ed.37921131019

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…Compaction Normal Proctor was done, stating wopt = 86.0% and ρd,opt = 1.26 g/cm³ for WTS, indicating its high-water absorption capacity while also exposing high retention capacity, corroborating with several studies that found wopt higher than 100% and proved to be very difficult to compact WTS due to a formation of a very dense material block [28], [29]. In addition, a lower specific weight compared to the soil was exhibited.…”

Section: Geotechnical Characteristicssupporting

confidence: 80%

Geotechnical Characterization of Water Treatment Sludge for Liner Material Production and Soft Soil Reinforcement

Marchiori

Studart

Albuquerque

et al. 2021

MSF

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A water treatment sludge (WTS) was characterized in order to evaluate if its properties would be suitable for use as liner of earthworks or for strengthening a clay soil. A WTS and a clayey soil was characterized in terms of granulometry, cumulative volumes, specific surface, density, plastic limit, liquid limit, water content, hydraulic conductivity, and characteristics of compaction (optimal water content and dry density). This study aimed to exhibit and evaluate these investigated parameters of WTS, soft soil and mixed proportions between the materials for liners’ material production while evaluating soft soils’ reinforcement feasibility. The results have shown WTS’s contribution with its fine granulometry and compaction characteristics, indicating filling properties and possible feasibility as soft soils additions for liners’ material production while being applicable for soils‘ reinforcements, corroborating with existing literature on the subject. Thus, the currently developed investigation has exposed WTS as a potential addition for these applications while also attending society’s new demands towards a more sustainable future.

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Section: Geotechnical Characteristicssupporting

confidence: 80%