Rutting resistance of pavements on fly ash-lime stabilized expansive subgrade

Reddy, K. Krishna

doi:10.3328/ijge.2009.03.01.147-152

International Journal of Geotechnical Engineering

2009

DOI: 10.3328/ijge.2009.03.01.147-152

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Rutting resistance of pavements on fly ash-lime stabilized expansive subgrade

K. Krishna Reddy¹

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“…Stabilization of this soil has been addressed by numerous researchers ( 5 , 6 ). Krishna Rao et al ( 7 ) studied the effect of fly ash and lime on expansive soil as road and embankment material.…”

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confidence: 99%

Sustainable Road Shoulders and Pavement Protection for Expansive Soil Zones

Dafalla

Shaker

Al‐Shamrani

2022

Transportation Research Record: Journal of the Transportation R

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The design of sustainable infrastructure roads in semi-arid highly expansive soil is of concern to the geotechnical and pavement design engineers. The damage and distress caused to highways and roads in areas with high swell potential occur as a result of ingress and infiltration of water to the underside of light pavements. These pavements exert very low stresses on the ground. Protection of subgrade and shoulders against variation in moisture content as a result of seasonal weather fluctuation and floods can help in establishing a sustainable pavement for an extended lifetime. Predicting the response of a subgrade soil subjected to different rainfall intensity and frequencies is very challenging. The approach proposed in this study is to target a reduction of moisture exposure to prevent water from entering the systems. However, efficient protection is required when severe floods occur so as to remove water from the shoulders in a short time. The sloping shoulders are intended to guide floodwater away from the pavement. Clay-sand liners can be constructed as a dressing layer along the shoulders or within the body of the shoulder extending up to the toe of the slope or beyond. Assessment of a typical sand–clay liner was conducted. Suggested designs were based on characterization, compressibility, and hydraulic conductivity tests. It was found that stresses exerted on the liners do not pose a significant settlement hazard.

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mentioning

confidence: 99%

Sustainable Road Shoulders and Pavement Protection for Expansive Soil Zones

Dafalla

Shaker

Al‐Shamrani

2022

Transportation Research Record: Journal of the Transportation R

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An experimental contribution for the valorization of local materials: the case of Algerian soils with evolving trends

Bendimerad

Zadjaoui

Makhoukhi

2021

Innov. Infrastruct. Solut.

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Best-fit models for predicting the geotechnical properties of FA–stabilised problematic soils used as materials for earth structures

Ahmed

Gadouri

Ghrici

et al. 2018

International Journal of Pavement Engineering

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Rutting resistance of pavements on fly ash-lime stabilized expansive subgrade

Cited by 3 publications

References 1 publication

Sustainable Road Shoulders and Pavement Protection for Expansive Soil Zones

Sustainable Road Shoulders and Pavement Protection for Expansive Soil Zones

An experimental contribution for the valorization of local materials: the case of Algerian soils with evolving trends

Best-fit models for predicting the geotechnical properties of FA–stabilised problematic soils used as materials for earth structures

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