Microstructural evaluation of the cement stabilization of hematite-rich red soil

Amiri, Mohammad; Sanjari, M.; Porhonar, Fatemeh

doi:10.1016/j.cscm.2022.e00935

Cited by 19 publications

(7 citation statements)

References 41 publications

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“…These needle-like crystals are calcium monosulfoaluminate (AFm) and ettringite (AFt), formed during cement hydration, along with calcium silicate hydrate (CSH). Similar findings were previously reported by Bahmani et al [20], MolaAbasi et al [43], Luo et al [41], He and Liao [28] and Amiri et al [11]. Amiri et al [11] analyzed the XRD results of red soil treated with 2% and 6% cement contents.…”

Section: Microstructural Analysis Of Cbr and Rlt Results Using Sem Im...supporting

confidence: 83%

Cement and Fly Ash-Treated Recycled Aggregate Blends for Backfilling Trenches in Trafficable Areas

Yaghoubi,

Al-Taie,

Miri Disfani

et al. 2023

Preprint

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Section: Microstructural Analysis Of Cbr and Rlt Results Using Sem Im...supporting

confidence: 83%

Cement and Fly Ash-Treated Recycled Aggregate Blends for Backfilling Trenches in Trafficable Areas

Yaghoubi,

Al-Taie,

Miri Disfani

et al. 2023

Preprint

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“…This hydration and pozzolan reaction will make the structure more compact and denser, so the UCS value will increase as the cement increases. This result is based on the following research [29]. Second, cement stabilization that suits non-plastic soils such as silty sand soil in this study.…”

Section: The Unconfined Compression Strength Resultsmentioning

confidence: 83%

Determination of Optimum Cement Content for Silty Sand Soil Stabilization as the Base Course

2024

GEOMATE

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The aggregate base course is important in the flexible pavement structure, requiring quality materials. In areas where quality material is difficult to find, local soil stabilization using cement is needed to obtain material to replace the aggregate base course. This study aimed to determine the optimum cement content in stabilizing sand-silty soil that meets the requirements specified in the General Specification of Highways 2018 for Road and Bridge Works and to find the effect of pH-soaking water. The research was conducted in the laboratory by testing the Unconfined Compressive Strength of soil cement using variations in cement content of 3%, 5%, 8%, and 10% of the dry weight of soil, soaking time of 3, 7, 14, and 28 days; and pH of soaking water (tap water with a pH value of 8, water with pH value of 4 (containing H2SO4), water with pH value of 9 (containing NaOH)). Cement content of 8% and 10% meets the minimum UCS value according to road specifications. The optimum cement content (which produces the UCS target specification value of 2353.60 kPa) is 9% on the seventh day. Soaking water with pH 4 and 9 decreased the UCS of soaking water with a pH value of 8. A soil cement base course can substitute an aggregate base course in areas with inadequate aggregate material with an 80% CBR value.

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“…For virgin soil, the liquid limit is 44, the plastic limit is 19.59, and the shrinkage limit is 23.5 (Table 2). The liquid limit and plastic limit values keep decreasing at the optimum dosage addition of nanoaluminum oxide [30]. The values obtained are 38 and 16.99.…”

Section: Comparison Of Liquid Limit Plastic Limit and Shrinkage Limitmentioning

confidence: 78%

Experimental investigation on soil stabilization technique by adding nano-aluminium oxide additive in clay soil

Abisha

Jose

2023

Matéria (Rio J.)

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In this research article, soil stabilisation is carried out by the latest method: nanotechnology. The stabilizer nano-aluminum oxide is used as a stabilising agent in concentrations of 0.2%, 0.4%, 0.6%, 0.8%, 1%, and 1.2%. Because it is 99% pure and nanoscale, it has a large surface area for analysing the properties and strength of soil tests such as Atterberg's limit, pycnometer, proctor compaction test, California bearing ratio test, and unconfined compressive strength. These tests are done for parent soil and soil with different percentages of nanomaterials. The nanostabilizer addition increases the unconfined compressive strength, California bearing ratio, liquid limit, and optimum moisture content value. One percentage of nano-aluminium oxide is considered an optimum dosage. Beyond the optimum amount, there is a change in soil property. The CBR value, liquid limit, and OMC of soil all go down, so it is recommended to use 1% nano-aluminum oxide to improve sub-grade clay soil.

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Microstructural evaluation of the cement stabilization of hematite-rich red soil

Cited by 19 publications

References 41 publications

Cement and Fly Ash-Treated Recycled Aggregate Blends for Backfilling Trenches in Trafficable Areas

Cement and Fly Ash-Treated Recycled Aggregate Blends for Backfilling Trenches in Trafficable Areas

Determination of Optimum Cement Content for Silty Sand Soil Stabilization as the Base Course

Experimental investigation on soil stabilization technique by adding nano-aluminium oxide additive in clay soil

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