Lime leachability studies on stabilized expansive semi-arid soil
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In this paper, the role of lime and the nature of leaching solution on the lime leaching characteristics of an expansive soil originating from the Kingdom of Saudi Arabia was examined and the effects of various parameters like lime content, curing period and pH of leach solution on lime leachability values has been studied.Abstract:
The present study is aimed at examining the role of lime and the nature of leaching solution on the lime leaching characteristics of an expansive soil originating from the Kingdom of Saudi Arabia. Lime leachability studies were carried out in specially fabricated molds subjected to continuous leaching conditions. The specimens were compacted directly into specially fabricated perspex molds and cured for 7, 14 and 28 days under constant humidity conditions. In order to study the rate at which the calcium ions leach out from the lime treated clay matrix, water (leaching solution) was allowed to flow through the compacted specimen continuously for seven days and the resultant calcium concentration in the leachate was determined. The effects of various parameters like lime content, curing period and the pH of leaching solution on the lime leachability values has been studied. It is observed that, at a given lime content, the calcium concentration in the leachate reduces with curing period. Relatively higher amounts of lime leached under acidic conditions and the flow period does not affect the lime leaching patterns.read more
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Effect of Polypropylene Fiber Reinforcement on the Consolidation, Swell and Shrinkage Behavior of Lime Blended Expansive Soil
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Effect of fibre reinforcement on CBR behaviour of lime-blended expansive soils: reliability approach
TL;DR: In this article, two different types of synthetic fibres, Fiber Mesh and Fiber Cast, were evaluated as a stabilisation alternative for expansive soils in the presence of lime and showed that the improvement in CBR increased with higher fibre contents and longer lengths and the effect was prominent when lime was used as a s...
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Lime-Amended Semi-arid Soils in Retaining Copper, Lead, and Zinc from Aqueous Solutions
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Effect of Calcium-Based Derivatives on Consolidation, Strength, and Lime-Leachability Behavior of Expansive Soil
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TL;DR: In this article, the effect of different calcium-based stabilizers (calcium hydroxide [Ca(OH)2], calcium carbonate [CaCO3], and calcium chloride [CaCl2]) on the geotechni...
References
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