Comparing the conventional soil stabilization methods to the consolid system used as an alternative admixture matter in Isparta Darıdere material

Eren, Şirin Gülcen; Filiz, Mümin

doi:10.1016/j.conbuildmat.2009.01.002

Cited by 55 publications

(17 citation statements)

References 3 publications

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“…Cement is widely applied in stabilizing clay and soft soils (Axelsson et al, 2002;Lorenzo and Bergado, 2004). Use of lime can enhance the shear strength and reduce significantly the water absorption (NLA., 2004;Eren and Filiz, 2009). Fly ash with high calcium shows a significant amount of tobermorite that leading to the formation of a denser and more stable structure of the clay samples.…”

Section: Introductionmentioning

confidence: 99%

Application of Gypsum and Fly Ash as Additives in Stabilization of Tropical Peat Soil

Rahman¹,

Lee²,

Rahim³

et al. 2015

J. of Applied Sciences

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A B S T R A C TThe demand for land in conjunction to infrastructure development is become crucial and expensive. In the near future, a problematic soil such as peat is becoming a final alternative. In crucial cases, peat land cannot be avoided and has been hosted for engineering structures (e.g., road, highway, railway and bridge). Peat soil is well established of its downgraded characteristics, highly compressibility and low in shear strength. This study aimed to investigate effect of fly ash and gypsum on the mechanical properties of peat soil. Fly Ash (FA) is a by-product material that is generated from the burning of coal in thermal power plants. In this study, gypsum was prepared chemically in the laboratory to simulate residue from Neutralization Underflow Process (NUF). For the first batch of samples, the peat samples were initially treated with Synthetic Gypsum (SG) in the ranges between 0 and 20% of sample dried weight (SG treated soil). In a second batch, the peat samples were prepared with 10% FA and then mixed thoroughly with different amounts of SG contents (0, 5, 10 and 20%) (10FA-SG treated soil). The results showed that soil treated with mixture of 10% FA and SG indicated lower liquid limit values than the SG treated soil. In compaction tests, the maximum dry density of both increased in both SG treated soil and FA-SG treated soil. The permeability of SG treated soil increased with the increases in SG contents. Similarly, occurred to permeability of FA-SG treated soil however, its values are lower than the soil treated without FA. Shear strength of SG treated showed decreased with increasing amount of SG content. In contrast, the FA-SG treated soil exhibited higher strength if compared to that of SG treated soil. The result suggested that the application of FA and SG mixture is more effective in stabilization in mechanical strength and densification of peat soil than the use of SG only.

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Section: Introductionmentioning

confidence: 99%

Application of Gypsum and Fly Ash as Additives in Stabilization of Tropical Peat Soil

Rahman¹,

Lee²,

Rahim³

et al. 2015

J. of Applied Sciences

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“…Reclaimed asphalt pavement (RAP) materials used in the pavements has concerns with the reduction in the strength, more significant permanent deformation, poor distribution of stresses, and durability issues and recommended for stabilization [5,6]. Besides, the use of recycled concrete aggregates (RCA) above the water table is recommended [7] due to the concerns of groundwater contamination and durability issues [8,9]. Studies suggested that the properties of the recycled materials can be enhanced with the addition of additives or blending with superior quality materials [10].…”

Section: Literature Reviewmentioning

confidence: 99%

Applications of Cement in Pavement Engineering

Chakravarthi¹,

Kumar²,

Shankar³

2021

Cement Industry - Optimization, Characterization and Sustainable Application

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Recycled materials primarily Reclaimed Asphalt Pavement (RAP), and Recycled Concrete Aggregate (RCA) are produced from pavement rehabilitation and construction-demolition activities. Generally, these materials are utilized for landfills, parking lots, shoulders, and other places that are not environmentally friendly. The top layers of the pavement and concrete structures are constructed using superior qualities of aggregates that satisfy the specification. During their service life, the aggregates present in these structures undergo deterioration due to environmental and traffic factors. After reaching the end of their service life, the deteriorated structures are dismantled and considered as waste. Nevertheless, these recycled materials will have some retain value which can be used in different layers of the pavements in different percentages. The reuse of these materials in place of conventional aggregates preserves the environment and become a sustainable construction practice. Further, the direct utilization of these materials in the pavements may not satisfy the mechanical characteristics. To fulfill these gaps, cement stabilization of recycled materials is the best option. With this background, the proposed book chapter will highlight the usage of cement in pavement application, and a few types of research works carried in cement treated pavement layers will be discussed in a detailed and scientific manner.

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“…The results obtained from CBR tests showed that the (untreated) soil was improved from increasing its strain characteristics. The results refer to modify the untreated soil to use in base and sub-base layer in road construction as recommended by Eren andFilize 2009. Eren andFilize 2009 classified the soil according to its CBR number into five zones starting from bad if CBR is between 0 and 3 in the first zone and ends in a very well in zone five if soil has CBR of more than 50.…”

Section: Effect Of Dnp On California Bearing Ratio (Cbr) Valuesmentioning

confidence: 99%

Effect of Dates Nucleus Powder on Some Enginerring Properties of Clayey Soil in Comparison to Lime

Atemimi

Fahad

2018

QJES

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Clayey soils are widely spread over the world. The clay soils are used and need to improve it's engineering properties.Therefore, the treatment is considered one of the available solution for this purpose. Due to the nature of clay particles a trice plasticity,highly in surface area and the ion exchangaple ...etc. these properties encourage the idea of using pozzolanic materials, particularly the lime as pozzolana source.The alternative source of pozzolan is a metakaolin materials generated from burning the organic materials which are widely available in Iraq (i.e. Dates nucleus). The Dates nuclei is a waste material, so these additives can help in reducing the contamination and improving the environment. In this study, dates nuclei powder (DNP) was used after burning it at 900 o C for one hour and then mixed it with clayey soil in different by weight percentages. Hence, four percentages are selected (5%, 7.5%, 10%, and 15%) to study the effect of each addition on the shear strength of the clayey soil and the results are compared with the same soil that treated with lime. Many tests were conducted on (the natural clay, clay-DNP and clay-lime) to evaluate the engineering characteristics and to explore best percentages that can used. Curing time (0, 7, 14, 28,90 and 180 days) was used to evaluate the effectiveness of pozzolanic reaction (emerges from DNP-soil mixture) with time. Interested results are found, the shear strength was increased to about six folds for 10%-DNP-soil at 180 days of curing. The liquid limit, plasticity index and the maximum dry density decreased in all percentages of DNP-Clay mixtures. On the other hand, the shear strength increment for DNP-Clay mixture after 180 days of curing is higher than that of Lime-Clay mixture for same period of curing. Forthermore, CBR results increased by six times for 10%DNP-Clay mixture for un-soaking conditions, while at soaking conditions, the increase was more than eleven times. The lime addition increase the CBR-value about three and eight times for unsoaking and soaking conditions, respectively.

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Comparing the conventional soil stabilization methods to the consolid system used as an alternative admixture matter in Isparta Darıdere material

Cited by 55 publications

References 3 publications

Application of Gypsum and Fly Ash as Additives in Stabilization of Tropical Peat Soil

Application of Gypsum and Fly Ash as Additives in Stabilization of Tropical Peat Soil

Applications of Cement in Pavement Engineering

Effect of Dates Nucleus Powder on Some Enginerring Properties of Clayey Soil in Comparison to Lime

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