Geotechnical and mineralogical properties of treated clayey soil with dune sand

Amri, Salima; Akchiche, Mustapha; Bennabi, Abdelkrim; Hamzaoui, Rabah

doi:10.1016/j.jafrearsci.2019.01.010

Cited by 17 publications

(8 citation statements)

References 25 publications

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“…Recently, there has been an emphasis on using aeolian sands as a construction material in concrete, mortar, and pavement. Amri et al (2019) investigated the effects of dune sand treatment upon the geotechnical, structural, as well as mineralogical features of clayey soil. They demonstrated that adding dune sand to clay significantly improves the geotechnical properties.…”

Section: The Journal Of Engineering and Exact Sciences -Jcecmentioning

confidence: 99%

A comparative analysis of the microstructural and physicochemical properties of alluvial and dune sands from northeast Algerian Sahara

Hachem

Meftah²,

Bouaziz

2023

J. Eng. Exact Sci.

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This paper investigates the physical, chemical, and microstructural properties of two types of natural sand; alluvial sands and dune sand from the El-Oued region in the northeastern Algerian Sahara. Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), X-ray Fluorescence (XRF), Scanning electron microscopy (SEM/EDS), and granulometry analysis have been performed. The FTIR and XRD analysis prove that the alluvial sand and dune sand consist of high percentages of ?-quartz (SiO2), low amounts of calcite (CaCO3), and gypsum minerals (CaSO4;2H2O). The chemical analysis confirmed that both types of sand have a high silica (SiO2) ratio, reaching 80% for dune sand and 70% for alluvial sand, besides very low quantities of Al2O3, Fe2O3, and K2O oxides. CaO content was higher in alluvial sand than in dune sand. The shapes of alluvial sand grain samples ranged from angular to well-rounded. However, the dune sands have shapes ranging from sub-angular to well-rounded. However, the dune sand is poorly graded sand with a mean grain size of 250?m; whereas, the alluvial sand is well-graded sand with a mean grain size of 406?m. These findings demonstrate that alluvial and dune sands are mineralogically stable and chemically suitable for use as fine aggregates in construction. Also, these sands could be significant sources of quartz minerals.

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Section: The Journal Of Engineering and Exact Sciences -Jcecmentioning

confidence: 99%

A comparative analysis of the microstructural and physicochemical properties of alluvial and dune sands from northeast Algerian Sahara

Hachem

Meftah²,

Bouaziz

2023

J. Eng. Exact Sci.

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“…Several research studies have been carried out on the techniques of amending local materials with missing granular fractions (fine or coarse) [1][2][3][4][5][6]. Cabalar et al [5] have studied the influence of sand addition on the behaviour of sand/clay mixtures.…”

Section: Introductionmentioning

confidence: 99%

Valorisation of dune sand-tuff for Saharan pavement design

Daheur

Demdoum

et al. 2023

Construction and Building Materials

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“…One of clayey soil improvement is to add sand, (sandification), or other similar material in order to improve the properties of clay. It is commonly known that sand is a non-expansive soil with a low plasticity and no surface charge (Kolay andRamesh 2015 andAmri et al 2019). Thus, many studies investigated the effect of sand additions and showed that the use of sand gave satisfactory results in improving the physical and mechanical properties of the clayey soils (Salman and Wale 2018;Amri, et al 2019;Al-Badran 2020).…”

Section: Introductionmentioning

confidence: 99%

“…It is commonly known that sand is a non-expansive soil with a low plasticity and no surface charge (Kolay andRamesh 2015 andAmri et al 2019). Thus, many studies investigated the effect of sand additions and showed that the use of sand gave satisfactory results in improving the physical and mechanical properties of the clayey soils (Salman and Wale 2018;Amri, et al 2019;Al-Badran 2020). According to (Muzan 2021) the best way to improve the properties of clay is mixing the sand into heavy clay soils to alleviate their restrictions.…”

Section: Introductionmentioning

confidence: 99%

Assessment of The Compost Addition and Sandification to Overcome the Calcium Carbonate Problems in Heavy Clay Calcareous Soils at El-Farafra Oasis – Egypt

Yassin

Awadalla²,

El-Hadidi

et al. 2023

Egypt.J. Soil Sci.

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HE AIM of the present study was to evaluate the effects of sandification and composted manure on some selected chemical properties; SOM, CaCO 3 , EC, Soluble Calcium and pH, as well as the pore size distribution of heavy clay calcareous soil. The experiment included four levels of sand addition and three levels of compost in a split plot design with three replicates. The experiment was carried out in an agricultural bilateral cycle that included wheat and maize crop cultivation in the winter and summer seasons, respectively. The results showed that sandification increased the sand fraction slightly and led to a slight decrease in the clay fraction at the end of the wheat season. This was more pronounced in the 1 st soil layer than in the 2 nd and the 3 rd subsurface layers. The residual effects of compost (after harvesting the maize crop) had no obvious effect on the soil particle size distribution. Increasing rates of sandification and compost additions led to a decrease in the soil content of CaCO 3 % compared to the initial soil, pH values, and soil salinity, while the SOM% and soluble Ca ions increased. The best results were obtained under the highest rates of sandification (S 15 ) and compost addition (C 2 ). It could be summarized that the role of both sandification and compost additions has affected CaCO 3 . This relation increases the release of calcium ions (Ca +2 ) to soil solutions, so that buffering the pH values declines towards neutrality. The relatively high salinity of compost affected positively the calcium carbonate solubility.

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Geotechnical and mineralogical properties of treated clayey soil with dune sand

Cited by 17 publications

References 25 publications

A comparative analysis of the microstructural and physicochemical properties of alluvial and dune sands from northeast Algerian Sahara

A comparative analysis of the microstructural and physicochemical properties of alluvial and dune sands from northeast Algerian Sahara

Valorisation of dune sand-tuff for Saharan pavement design

Assessment of The Compost Addition and Sandification to Overcome the Calcium Carbonate Problems in Heavy Clay Calcareous Soils at El-Farafra Oasis – Egypt

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