Expansive and Compressibility Behavior of Lime Stabilized Fiber-Reinforced Marine Clay

Jayawardane, Vihan Shenal; Anggraini, Vivi; Emmanuel, Endene; Yong, Lee Li

doi:10.1061/(asce)mt.1943-5533.0003430

Cited by 37 publications

(16 citation statements)

References 44 publications

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“…Expansive soils comprise a major soil group that is prominent in creating extensive destruction to dams, roads, and foundations from excessive swelling and irretrievable shrinkage actions. Some prominent expansive soils are black cotton soils, stiff fissured clays, marine clays, and weathered shales ( 5 ).…”

Section: Expansive Soilmentioning

confidence: 99%

“…Considering the pervasive existence of issues caused by these soils to infrastructures, there is undoubtedly a significant need for extensive investigation through studies about the expanding and compressing behaviors of such soils for their better utilization in the arena of geomaterials and engineering infrastructures ( 5 ).…”

Section: Expansive Soilmentioning

confidence: 99%

“…Expansive soils are identified as a potential hazard to engineering structures worldwide because of their swell–shrink behavior, which incurs billions of dollars of costs for mitigation and maintenance annually ( 2 , 5 ). Foundations for large buildings can be constructed after the complete removal of black soil.…”

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confidence: 99%

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Effect of Swelling Soil on Pavement Condition Index of Airport Runway Pavement

Miah

Chai

et al. 2022

Transportation Research Record: Journal of the Transportation R

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Swelling is one of the distresses that affect the pavement condition index (PCI) of airport runways. In northwest Queensland, swelling was observed in three different runways where sealed flexible pavement runways were deformed by the heaving of the expansive clay subgrades due to water intrusion. In the study, the trends of moisture content (MC) and corresponding swelling of these expansive soils were observed at different times. Subsequently, the PCI was calculated for the swelling of these runways using PAVER software. A correlation has been developed between swelling of different severity levels and the corresponding PCI. In addition, the relationship between MC and PCI has been established to demonstrate the influence of MC on the swell behavior, and the influence of seasonal MC variations on PCI was also examined. Finally, the study generated empirical equations to predict the swelling effects on the PCI and subsequent functional performance of the runway pavements constructed on expansive soils. A good correlation has been achieved between the swell parameter and the PCI. The correlation coefficient of determination R2 is computed to be 0.9981, 0.999, and 0.9987 for low, medium, and high severity of the swelling, respectively. The equations fitted with the experimental data well, which demonstrates the reliability of the empirical equations. From the result of swelling against MC and calculated PCI, it is evident that adverse effects are inevitable when water intrusion occurs in swelling soil subgrade. This high plasticity soil can deteriorate pavement performance and cause early pavement damage if allowed to swell.

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Section: Expansive Soilmentioning

confidence: 99%

Section: Expansive Soilmentioning

confidence: 99%

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Effect of Swelling Soil on Pavement Condition Index of Airport Runway Pavement

Miah

Chai

et al. 2022

Transportation Research Record: Journal of the Transportation R

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“…The addition of cement increased the UCS of the marl by 22%, 78%, and 144% at 1, 7, and 28 days of curing, respectively. Nano-additives accelerate the hydration of cement due to the fact of their high surface energy [5,43,48,[73][74][75][76]. The addition of both nano-additives to the cemented clay from 0.1% to 1.5%, increased the UCS of the marl gradually up to 1% nano-additive content and then declined slightly at 1.5% nano-additive content.…”

Section: Effect Of Nano-additives On the Ucs Of Marlmentioning

confidence: 99%

“…The default choice for soil stabilization amongst most engineers is the use of traditional calcium-rich additives, such as cement or lime and, to some extent, fly-ash, which all have been traditionally proved to work well for improving the mechanical behavior of reactive clays, soft clays, and other low bearing capacity soils (i.e., high compressibility and heave, insufficient stiffness, and shear/compressive strength) [1][2][3][4][5][6][7][8][9][10]. The improvement in geotechnical properties of such soils using innovative techniques and environmentally friendly materials is a recent trend in civil engineering research and practice.…”

Section: Introductionmentioning

confidence: 99%

Effect of Nano-Additives on the Strength and Durability Characteristics of Marl

et al. 2021

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Low bearing capacity soils may pose serious construction concerns such as reduced bearing capacity and excessive hydro-associated volume changes. Proper soil remediation techniques must be planned and implemented before commencing any construction on low bearing capacity soils. Environmentally friendly soil stabilizers are gradually replacing traditional soil stabilizers with high carbon dioxide emissions such as lime and cement. This study investigated the use of an alternative pozzolanic mix of nano-additives (i.e., nano-silica and nano-alumina) and cement to reduce the usage of cement for achieving competent soil stabilization outcomes. A series of unconfined compressive strength (UCS), direct shear, and durability tests were conducted on marl specimens cured for 1, 7, and 28 days stabilized with nano-additives (0.1~1.5%), 3% cement, and combined 3% cement and nano-additives. The UCS and shear strength of stabilized marl increased with nano-additives up to a threshold nano-additive content of 1% which was further intensified with curing time. Nano-additive treated cemented marl specimens showed long durability under the water, while the cemented marl decomposed early. The microfabric inspection of stabilized marl specimens showed significant growth of calcium silicate hydrate (CSH) products within the micro fabric of nano-silica treated marl with reduced pore-spaces within aggregated particles. The results confirmed that nano-additives can replace cement partially to achieve multi-fold improvement in the strength characteristics of the marl.

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Experimental Study on Mechanical Properties of Glass Powder and Silica Fume Stabilized Clay Soil

Balkis,

Ilman

2024

Springer Series in Geomechanics and Geoengineering

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Expansive and Compressibility Behavior of Lime Stabilized Fiber-Reinforced Marine Clay

Cited by 37 publications

References 44 publications

Effect of Swelling Soil on Pavement Condition Index of Airport Runway Pavement

Effect of Swelling Soil on Pavement Condition Index of Airport Runway Pavement

Effect of Nano-Additives on the Strength and Durability Characteristics of Marl

Experimental Study on Mechanical Properties of Glass Powder and Silica Fume Stabilized Clay Soil

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