Soft Clay Improvement Using Bamboo Leaf Ash on CBR Values

Wijaya, Wahyu Hadi; Ismanti, Sito; Rifa’i, Ahmad

doi:10.1088/1742-6596/1625/1/012007

Cited by 5 publications

(3 citation statements)

References 1 publication

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“…In 2020, the CBR value was investigated for a BLA addition and reduced cement percentage of soft clayey soil [17]. The overall content of both cement and BLA is 12% of the dry soil weight.…”

Section: Bamboo Leaf Ash (Bla) and Its Usage In Soil Stabilizationmentioning

confidence: 99%

Potential of Bamboo Leaf Ash for Soil Stabilization - Literature Review

Kabdiyono,

Soepandji,

Handika

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Soil stabilization is an important topic in geotechnical engineering as many problematic soils were found during construction. One of the commonly used soil stabilization is cement, but it is widely known as a non-sustainable material. Much research provided the usage of industrial waste as a substitute for cement, which is then known as a supplementary cementitious material (SCM). One of the alternatives is bamboo, which has the second highest silica content after rice husk. This paper conducted a literature review on the potential of using bamboo leaf ash (BLA), which is the main composition of silica in bamboo. Various studies indicated the usage of BLA, ranging from its initial usage in concrete to its development in soil stabilization. Five studies were pointed out as the extensive research of BLA usage in Nigeria, focusing on lateritic soils. The results indicated that stabilizing lateritic soils with BLA increases the CBR values and the bearing capacity, whereas it decreases plasticity index values. Later studies followed by using other types of soils. The results are all consistent, where the shear strength of soil and CBR values increases with the usage of BLA as SCM.

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Section: Bamboo Leaf Ash (Bla) and Its Usage In Soil Stabilizationmentioning

confidence: 99%

Potential of Bamboo Leaf Ash for Soil Stabilization - Literature Review

Kabdiyono,

Soepandji,

Handika

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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“…In another study, leaf ash was employed for the soil stabilization of expansive soil. The results indicated a noticeable increase in both the UCS and California Bearing Ratio (CBR) values of the soil upon the addition of leaf ash [7,8].…”

Section: Introductionmentioning

confidence: 99%

Utilization of Nano Silica and Plantain Leaf Ash for Improving Strength Properties of Expansive Soil

Alshawmar

2024

Sustainability

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This study investigates the effect of nanosilica and plantain leaf ash on the sustainable stabilization of expansive soil. This study conducted various strength tests, including Unconfined Compressive Strength (UCS), direct shear, and California Bearing Ratio (CBR) tests, to analyze the enhancement of mechanical properties by adding nano silica and plantain leaf ash. Scanning Electron Microscopy (SEM) analysis was conducted to investigate the interaction mechanism between the soil and the combination of nano silica and plantain leaf ash. Three different combinations of plantain leaf ash were utilized, ranging from 5% to 15%, alongside nano silica ranging from 0.4% to 1.2%. The reinforced soil’s compressive strength, shear strength, and bearing capacity were assessed through UCS, direct shear, and CBR tests. The results demonstrated significant improvements in compressive strength, up to 4.6 times, and enhancements in cohesion and frictional angle, up to 3.3 and 1.6 times, respectively, at 28 days. Moreover, the addition of nano silica and plantain leaf ash led to increased bearing capacity and reduced soil swelling potential, contributing to the overall stability and strength improvement in expansive soil. The SEM test results demonstrate that maximum bonding and compaction occur when 1.2% nano silica and 15% plantain leaf ash are added to the soil.

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“…Omer [9] used geofiber to improve the strength of sandy soil. Wijaya et al [10] studied the influence of adding bamboo leaf ash to the clay soil with an amount of cement for soaked and unsoaked conditions. Maghool et al [11] conducted a series of experiments to study the effects of using steel slag as a road construction material.…”

Section: Introductionmentioning

confidence: 99%

Correlation between CBR Values and Index Properties of Soils: A Case Study of Oman

Ibrahim

Alshehhi

Alhindasi

et al. 2022

KEM

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Pavement materials have developed significantly through many stages until they have reached what they are now. Despite the fact that there are many samples found in Oman which are not used or neglected, there are lots of natural samples can be depleted because of its huge use like the natural materials. Basically, the frequent’ use has a negative impact on nature. Accordingly, this study is going to shed lights on some considered samples that exist but are not used called waste products under some justifications and tests of particular samples classified as coarse-grained soil (coastal material, waste brick construction, desert sand) through some methodologies: Grain Sieve Analysis, Atterberg Limit Test, Clay Content Test, Proctor Compaction Test, and California Bearing Ratio test. The mechanical properties of these samples are tested to evaluate their efficiency and effectiveness in the paving layers. The most important parameter used in the evaluation process is the CBR and the sieve analysis. As a final result, it turns out that most of the samples are not complied with Oman's specifications for subbase and base use but some materials like Khour Al-Hamam can be modified using additive materials to be suitable.

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Soft Clay Improvement Using Bamboo Leaf Ash on CBR Values

Cited by 5 publications

References 1 publication

Potential of Bamboo Leaf Ash for Soil Stabilization - Literature Review

Potential of Bamboo Leaf Ash for Soil Stabilization - Literature Review

Utilization of Nano Silica and Plantain Leaf Ash for Improving Strength Properties of Expansive Soil

Correlation between CBR Values and Index Properties of Soils: A Case Study of Oman

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