Clay soil
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Capturing the impact of COVID-19 on construction projects in developing countries: a case study of Iraq Open
The outbreak of COVID-19 has impacted construction markets worldwide due to supply chain disruptions, workforce restrictions, and legislative changes. However, construction markets in developing countries are perceived to be more vulnerabl…
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Effect of temperature on the shear strength of soils and the soil–structure interface Open
In the present work, the shear behaviour of soils and the soil–concrete interface is investigated through direct shear tests at various temperatures. A conventional direct shear apparatus, equipped with a temperature control system, was us…
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Characterization of clay-modified thermoset polymers under various environmental conditions for the use in high-voltage power pylons Open
The effect of nanoclay on various material properties like damping and strength of typical thermoset polymers, such as epoxy and vinyl ester, was investigated. Different environmental conditions typical for high-voltage transmission pylons…
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Thermal effects on mechanical behaviour of soil–structure interface Open
Mechanical behaviour of the soil–structure interface plays a major role in the shear characteristics and bearing capacity of foundations. In thermoactive structures, due to nonisothermal conditions, the interface behaviour becomes more com…
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Experimental Study on Unconfined Compressive Strength of Basalt Fiber Reinforced Clay Soil Open
In order to study the mechanism and effect of basalt fiber reinforced clay soil, a series of unconfined compressive strength tests conducted on clay soil reinforced with basalt fiber have been performed under the condition of optimum water…
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A new simplified method and its verification for calculation of consolidation settlement of a clayey soil with creep Open
The calculation of the consolidation settlement of clayey soils with creep behaviour has been a challenging issue with a long history. After a brief review the assumptions made in the two methods based on Hypothesis A and Hypothesis B, the…
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Evaluation of the Improvement Effect of Limestone Powder Waste in the Stabilization of Swelling Clayey Soil Open
The natural stone industry generates large amounts of industrial waste every year. Limestone powder produced by the activity of this industry is dumped into landfills, generating an environmental impact that could be reduced by using this …
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Polymers for Stabilization of Soft Clay Soils Open
In this study, the influence of two chemical additives, (i.e., poly(vinyl alcohol), PVA and 1,2,3,4 Butane Tetra Carboxylic Acid, BTCA on the engineering properties of an expansive clay soil is investigated. The effect of polymers on the u…
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Stabilization of Clay with Waste Soda Lime Glass Powder Open
This study was carried out with an intention to observe any sign of improvement of clayey soil due to addition of waste soda lime glass powder (WSLGP). Waste soda lime glasses were crushed and sieved through #200 (75 μm) sieve and mixed wi…
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Strength, Durability, and Microstructures characterization of sustainable geopolymer improved clayey soil Open
Geopolymer has been emerged as an innovative and eco-friendly alternative to traditional soil improvement products such as Ordinary Portland Cement (OPC) and lime, which have negative environmental consequences. Geopolymer has been employe…
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Use of Waste Marble Dust for Stabilization of Clayey Soil Open
The main objective of this research is to investigate the possibility of utilizing waste marble dust in stabilizing problematic soils (especially swelling clays). The research work was divided into two sections. The first section deals wit…
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Evaluation of the USDA soil texture triangle through Atterberg limits and an alternative classification system Open
Since the texture triangle developed by the U.S. Department of Agriculture (USDA) has traditionally been a basic tool in soil classification, a thorough examination of its suitability has been carried out in this research. A total of 256 s…
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Clay soil stabilization using cement kiln dust Open
This research investigated the suitability of cement kiln dust (CKD) on the stabilization of clayey soil extracted along a failed road section of Sango, Ota. Since CKD does not need any further processing or treatment, it is cheap as it is…
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Influence of Waste Marble Dust on the Improvement of Expansive Clay Soils Open
The marble process industry from Shaq Al‐Thouban region, which is located in East Cairo, Egypt, produces a huge amount of marble wastes every day during the cutting and processing stages. Up to now, most of these wastes are dumping on open…
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A Review of Sand–Clay Mixture and Soil–Structure Interface Direct Shear Test Open
Natural soils are usually heterogeneous and characterized with complex microstructures. Sand–clay mixtures are often used as simplified soils to investigate the mechanical properties of soils with various compositions (from clayey to sandy…
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Game Changer in Soil Science. Functional role of clay minerals in soil Open
Defining soil clay minerals as all inorganic particles < 2 µm would enhance their predictive power for soil functions. The future task is to unravel the prominent functional role of clay associations in the “ultimate particles” in soils–mi…
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The influence of volcanic ash (VA) on the mechanical properties and freeze-thaw durability of lime kiln dust (LKD)-stabilized kaolin clayey soil Open
Improving soft clay soil's mechanical properties and durability has been the subject of intense research. In this context, traditional stabilizers such as cement and lime have been introduced as the most widely used materials. However, the…
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Stabilization of a Clayey Soil with Ladle Metallurgy Furnace Slag Fines Open
The research study described in this paper investigated the potential to use steel furnace slag (SFS) as a stabilizing additive for clayey soils. Even though SFS has limited applications in civil engineering infrastructure due to the forma…
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Effect of Temperature on the Cyclic Behavior of Clay–Structure Interface Open
The shaft capacity of foundations highly depends on the monotonic and cyclic loads applied to the soil–structure interface. In energy geostructures that exploit the heat of soil using earth-contact elements, the interface is subject to cyc…
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Effect of Selected Nanospheres on the Mechanical Strength of Lime‐Stabilized High‐Plasticity Clay Soils Open
The proper design of protective structures may start from improving the characteristics of soils. In order to obtain reasonable safety criteria, several research studies have recently been dedicated to enhancing complex civil engineering s…
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The Optimisation Analysis of Sand-Clay Mixtures Stabilised with Xanthan Gum Biopolymers Open
Sand–clay mixtures can be encountered in both natural soils (e.g., residual soils, clay deposits and clinosols) and artificial fills. The method of utilising biopolymers in ground improvement for sand–clay mixtures has emerged recently. Ho…
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Properties of Clay Soil and Soil Cement Reinforced with Polypropylene Fibers Open
This is the author accepted manuscript. The final version is available from American Concrete Institute via the DOI in this record
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Permeability Prediction Model Modified on Kozeny-Carman for Building Foundation of Clay Soil Open
Clay soil is a common building foundation material, and its permeability is very important for the safety of foundation pits and the later settlement of buildings. However, the traditional Kozeny-Carman (K-C) equation shows serious discrep…
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Mechanical properties of dredged soil reinforced by xanthan gum and fibers Open
Biopolymers have become popular in geotechnical engineering as they provide a carbon-neutral alternative for soil solidification. Xanthan gum (XG) and jute fiber (JF) were selected to solidify the Yellow River dredged soil. The mechanical …
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The Importance of Clay in Geotechnical Engineering Open
Clay is a very important material in geotechnical engineering, because it is often observed in geotechnical engineering practice. Generally, this soil type has numerous problems due to its low strength, high compressibility and high level …
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Behaviour of sand–clay mixtures for road pavement subgrade Open
Materials forming sand grains and colluvial soil deposits have a distinct structure, consisting of a composite matrix of coarse and fine soil grains. The influence of sand grains content on the behaviour of sand-clay mixtures was investiga…
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Experimental Investigation of Consolidation Properties of Nano-Bentonite Mixed Clayey Soil Open
As a new soil improvement method, adding nano-bentonite can enhance the engineering properties of soil. To study the stabilization effect of nano-bentonite on soil consolidation properties, a series of one-dimensional odometer tests were c…
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Influence of releasing graphene oxide into a clayey sand: physical and mechanical properties Open
Graphene oxide (GO) is increasingly used in various applications, and the implications of this nano-sized material entering the natural environment are of great interest.
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Agronomic and P recovery efficiency of organomineral phosphate fertilizer from poultry litter in sandy and clayey soils Open
The objective of this work was to evaluate agronomic and P recovery efficiencies of a granulated organomineral phosphate fertilizer (OMF) produced from poultry litter, compared with those of monoammonium phosphate (MAP), in soils with diff…
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An improved version of barodesy for clay Open
Barodesy is a constitutive model based on proportional paths and the asymptotic behaviour of soil. It was originally developed for sand in 2009 by Kolymbas, and a version for clay was introduced in 2012. A shortcoming of former barodetic m…