Abstract
Unpaved roads can be affected by high traffic demand and environmental conditions, decreasing its serviceability. To improve mechanical performance and reduce maintenance costs in soils, chemical s...
Highlights
Non-pavemented roads are widely used for temporary purposes such as mining industry access, as well as permanent roads outside big cities areas, reaching considerable amounts of total constructed roads (Obras Publicas, 2018)
Soil improvement with chemical stabilization depends on the micro-level interaction between moisture and fine content of soils (Sharma, Swain, & Sahoo, 2012), and the effect on mechanical behavior depends on the mineralogical composition of soils and its plasticity index (Naeini & Ziaie, 2009)
As strength shear improvement with chemical stabilization depends on individual reactions for a specific combination of soiladditive, soil properties such as plasticity or fine content (FC), influence the water-additive concentration required for the in-situ soil sample
Summary
Non-pavemented roads are widely used for temporary purposes such as mining industry access, as well as permanent roads outside big cities areas, reaching considerable amounts of total constructed roads (Obras Publicas, 2018). As these roads may have heavy traffic demand, maintaining the conditions of performance and serviceability are important to the overall behavior of roads and many soils with its in-situ conditions are not suitable to carry loads without high cost of maintenance in long-term. Because of in-situ soil conditions are harder to be controlled, usually, the improvement through a soil-additive method has been given empirically by the selection of the additive, after a general characterization of the soil
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