Effect of Specimen Size on the Tensile Strength Behavior of the Plastic Waste Fiber Reinforced Soil – Lime – Rice Husk Ash Mixtures

Muntohar, Agus Setyo

doi:10.9744/ced.13.2.82-89

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…For this reason, it is necessary to study the influence of the height-to-diameter ratio of the specimen on the split tensile strength test results of clay soil reinforced with lime and plastic sack fiber. This research continues the preliminary finding from Muntohar (2011) by extending the number of H/D ratios.…”

Section: Introductionsupporting

confidence: 80%

“…Specimen size is a fundamental issue related to fiber-reinforced soil since the length of fibers is limited by the specimen diameter and length. Muntohar (2011) studied the split tensile strength of the fiber-reinforced soil-lime-rice husk ash mixtures, which increased with an increase in the specimen diameter. The experiment recommended that the specimen diameter for the split tensile test should be 70 mm; increasing the specimen diameter to greater than 70 mm did not significantly change the tensile strength.…”

Section: Introductionmentioning

confidence: 99%

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Effect of the Specimen’s Height on the Split-Tensile Strength of the Fibers Reinforced Clay-Lime-Rice Husk Ask Mixture

Hartono,

Muntohar,

Diana

et al. 2024

J. civil eng. forum

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Various studies on the effect of specimen size on splitting tensile strength. However, geotechnical codes lack consensus regarding the recommended specimen diameter and height-to-diameter (H/D) ratio for the split tensile strength test. Hence, it is imperative to study the effect of the height-to-diameter ratio of the specimen on the outcomes of the split tensile strength test, especially for stabilized and fiber-reinforced soil. This research examines the effect of adding lime-rice husk ash and plastic fiber and the effect of specimen size on splitting tensile strength. The height of the specimen is varied, using a height-to-diameter ratio (H/D), namely 0.5, 1.0, 1.5, 2.0, and 2.5, in which the diameter is 70 mm. Two groups of specimens were prepared as stabilized clay without fibers and stabilized clay with 0.1% fibers. The lime required for stabilization is 10% of the dry weight of the soil. In this research, the lime and rice husk ash ratio was designed as 1:1. The splitting tensile strength test was carried out after the specimen was cured for seven days. The investigation indicates that the splitting tensile strength of the specimen without fibers reduces from 217 kPa to 150 kPa as the H/D ratio grows from 0.5 to 2.5. Conversely, the tensile strength of the specimen with fibers increases from 284 kPa to 357 kPa. The findings suggest that the fiber inclusion enhances the splitting tensile strength of the stabilized clay. The specimen size affects the splitting tensile strength, but the effect becomes less noticeable when the H/D ratio exceeds 2.5. From a fracture mechanism perspective, the specimen experiences mode II (shearing) due toa probable “flexural action” along its height. It remains challenging to conclude the dimensions of the test specimen or, at the very least, estimate the correction factor for the size-to-tensile strength ratio.

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Section: Introductionsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Effect of the Specimen’s Height on the Split-Tensile Strength of the Fibers Reinforced Clay-Lime-Rice Husk Ask Mixture

Hartono,

Muntohar,

Diana

et al. 2024

J. civil eng. forum

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Proposition of a Design Methodology for Unsurfaced Gravel Roads’ Layers Based on the Concepts of Elasticity Theory, Soil Mechanics and Pavement Mechanics

Nervis

Silva

Kaufmann

2021

Int. J. Pavement Res. Technol.

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Proposta de metodologia simplificada para o dimensionamento de pavimentos com revestimento primário

Nervis

2018

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Neste trabalho, é apresentada uma proposta de metodologia simplificada para o dimensionamento de pavimentos com revestimento primário, concebida a partir de conceitos da Teoria da Elasticidade, Mecânica dos Solos e Mecânica dos Pavimentos. A metodologia abrange a definição da(s) espessura(s) da(s) camada(s) de revestimento primário, quando necessárias, para resistir às cargas verticais de modo a não ocorrer a ruptura ao cisalhamento de uma ou mais camadas do pavimento e minimizar as deformações permanentes acumuladas. Além disso, é tratada a capacidade da camada de rolamento resistir aos esforços horizontais. A proposta tem como características ser de natureza analítica, mas demandar como parâmetros experimentais, somente a coesão e o ângulo de atrito das camadas. Tais parâmetros podem ser obtidos a partir de ensaios triaxiais ou de cisalhamento direto, ou numa forma mais simplificada, somente com a resistência à compressão simples obtida a partir de ensaios de compressão simples e a resistência à tração obtida a partir do ensaio de compressão diametral

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Effect of Specimen Size on the Tensile Strength Behavior of the Plastic Waste Fiber Reinforced Soil – Lime – Rice Husk Ash Mixtures

Cited by 3 publications

References 20 publications

Effect of the Specimen’s Height on the Split-Tensile Strength of the Fibers Reinforced Clay-Lime-Rice Husk Ask Mixture

Effect of the Specimen’s Height on the Split-Tensile Strength of the Fibers Reinforced Clay-Lime-Rice Husk Ask Mixture

Proposition of a Design Methodology for Unsurfaced Gravel Roads’ Layers Based on the Concepts of Elasticity Theory, Soil Mechanics and Pavement Mechanics

Proposta de metodologia simplificada para o dimensionamento de pavimentos com revestimento primário

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