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Artykuły w czasopismach na temat „Expansive soils and Shear strength”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Dong, Yun, Wei Zhong He, and Bao Tian Wang. "Study on the Impact of Long-Term Immersion on the Shear Strength of Compacted Lime Stabilized Expansive Soils." Applied Mechanics and Materials 238 (November 2012): 431–34. http://dx.doi.org/10.4028/www.scientific.net/amm.238.431.

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To offer or predict the shear strength of compacted lime stabilized expansive soils after long-term immersion for the slope analysis, the paper carried out direct shear test on the compacted stabilized expansive soils after different immersion time. The test results show that long-term immersion has significant impact on the shear strength of the lime stabilized expansive soils, the shear strength reduced sharply after soaking, but the shear strength tends to a stable value about 60%~70% normal strength while soaking is longer than 50 days. Logarithm model can well fitted the sketch of φ, c an

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Chen, Yi, Jing Zhao, and Xiao Hong Hu. "Research on the Shear Strength Properties of Expansive Soils." Applied Mechanics and Materials 256-259 (December 2012): 287–92. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.287.

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The shear strength of expansive soils is now a key geotechnical problem. The water content and dry density of expansive soils have deep effect on its shear strength. For analyzing the detail relationship of the water content, dry density and shear strength of this special soil, direct shear test was carried out with the samples from Xinxiang in middle line of South to North water diversion project. The results indicate that both of the cohesion and friction angle grow with dry density and decrease with initial water content. Applying the linear regression calculation, we obtained mathematical

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3

Li, Tao, Yanqing He, Guokun Liu, Binru Li, and Rui Hou. "Experimental Study on Cracking Behaviour and Strength Properties of an Expansive Soil under Cyclic Wetting and Drying." Shock and Vibration 2021 (December 26, 2021): 1–13. http://dx.doi.org/10.1155/2021/1170770.

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Expansive soil is characterized by its unique structural morphology and drastic volume change. With infrastructure increasingly constructed in expansive soil areas, engineering problems caused by the properties of expansive soils have attracted more attention. Cyclic wetting-drying and shear testing were accordingly conducted on an expansive soil from Chengdu area in China. Crack development and shear strength change were analyzed using the Mohr–Coulomb equation for shear strength by fitting the experimental data. The results show the following: (1) With the increase in wetting-drying cycles,

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4

Li, Jinpeng, Hong Xu, Lichuan Chen, et al. "Effect of Saturation Degree on Mechanical Behaviors of Shallow Unsaturated Expansive Soils." Sustainability 14, no. 21 (2022): 14617. http://dx.doi.org/10.3390/su142114617.

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In the southwest of China, there are widely distributed expansive soils. However, to save costs and manage the speed of construction, these shallow expansive soils are often filled with subgrade materials. Therefore, it is necessary to clearly understand the mechanical behaviors of unmodified shallow expansive soils. Current research on the mechanical behaviors of shallow expansive soils is mainly focused on shear and compressive strengths but rarely on the tensile strength since general tests are costly, time consuming, and difficult to conduct. Therefore, uniaxial tensile, unconfined compres

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5

Tian, Xuwen, Hongbin Xiao, Zixiang Li, Zhenyu Li, Huanyu Su, and Qianwen Ouyang. "Experimental Study on the Strength Characteristics of Expansive Soils Improved by the MICP Method." Geofluids 2022 (March 25, 2022): 1–10. http://dx.doi.org/10.1155/2022/3089820.

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Microbially induced calcite precipitation (MICP) has been a promising method to improve geotechnical engineering properties; however, there are few literatures about the application of the MICP method to improve the strength characteristics of expansive soils with low permeability. In this paper, a series of CD triaxial tests were carried out to investigate the effect of the MICP method on the strength characteristics of the expansive soils. The results show that the shear strength of the specimens increased with the increase in the cementation solution and eventually reached a stable value. T

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6

Dong, Yun, Wei Zhong He, and Bao Tian Wang. "Study on the Impact of Cyclic Wetting and Drying on the Shear Strength of Stabilized Expansive Soils." Advanced Materials Research 594-597 (November 2012): 96–99. http://dx.doi.org/10.4028/www.scientific.net/amr.594-597.96.

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To offer or predict the shear strength of stabilized expansive soils after cyclic wetting and drying for the slope analysis, the paper carried out direct shear test on the stabilized expansive soils after different times of cyclic wetting and drying. The test results show: The first 3-5 times of cyclic wetting and drying will cause the shear strength decreased sharply, and after about 7-9 times of cycle, the shear strength will trend to a stable value, which is about 40-60% of the normal strength before the cycles. Logarithm model can well fitted the variation of the shear strength and the tim

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7

Katti, R. K. "Shear strength and earth pressure in expansive soils." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 27, no. 2 (1990): A83. http://dx.doi.org/10.1016/0148-9062(90)95015-s.

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8

XU, YONGFU, and DE'AN SUN. "DETERMINATION OF EXPANSIVE SOIL STRENGTH USING A FRACTAL MODEL." Fractals 09, no. 01 (2001): 51–60. http://dx.doi.org/10.1142/s0218348x01000506.

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The micropore surface fractal model for expansive soils is proposed in this paper. Based on the results of the mercury intrusion tests, it is found that the micropore surface fractal dimension is 2.40 for the soil sample with the dry density of 1.50 g/cm 3, and is 2.47 for the soil sample with the dry density of 1.60 g/cm 3. By using the micropore surface fractal model, the shear strength formula for expansive soils is obtained. All the parameters in the proposed shear strength formula are constant, and are independent of matric suction. The validation of the proposed shear strength formula is

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9

Su, Zheng, Daokun Qi, Xinju Guo, Xiaojuan Xi, and Liang Zhang. "Characterization of the Undrained Shear Strength of Expansive Soils of High Water Content." MATEC Web of Conferences 206 (2018): 01002. http://dx.doi.org/10.1051/matecconf/201820601002.

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In recent years, engineering constructions increase rapidly in western and central areas of China, where expansive soil widely distributes. Since expansive soil is sensitive to water content, the characterization of its shear strength should be carefully conducted. For simplicity and ease of use, the Mohr-Coulomb criterion is often adopted to describe the shear strength of expansive soil. In this paper, the physical meaning of the cohesion and frictional strength of expansive soil are explained, and the variations of the strength parameters with water content are investigated. By fitting to th

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10

Chen, Junhua, Jiejie Mu, Aijun Chen, Yao Long, Yanjiang Zhang, and Jinfeng Zou. "Experimental Study on the Properties of Basalt Fiber–Cement-Stabilized Expansive Soil." Sustainability 16, no. 17 (2024): 7579. http://dx.doi.org/10.3390/su16177579.

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Expansive soil is prone to rapid strength degradation caused by repeated volume swelling and shrinkage under alternating dry–wet conditions. Basalt fiber (BF) and cement are utilized to stabilize expansive soil, aiming to curb its swelling and shrinkage, enhance its strength, and ensure its durability in dry–wet cycles. This study examines the impact of varying content (0–1%) of BF on the physical and mechanical characteristics of expansive soil stabilized with a 6% cement content. We investigated these effects through a series of experiments including compaction, swelling and shrinkage, uncon

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11

Yao, Chuanqin, Pan Chen, Tiantian Ma, Xiaolong Xia, and Changfu Wei. "Physicochemical effect on shear strength characteristics of clayey soils based on ring-shear experiment." Canadian Geotechnical Journal 57, no. 12 (2020): 1820–31. http://dx.doi.org/10.1139/cgj-2019-0513.

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Pore fluid chemistry can significantly influence the shear strength characteristics of a clayey soil. To explore the underlying mechanisms, a series of ring shear experiments are performed on two natural clays, which represent two typical types of clayey minerals, i.e., expansive montmorillonitic clay and low-plasticity kaolinitic clay. The effects of pore solution concentrations on the shear strength of the two clays are experimentally characterized. It is shown that the shear strength of the expansive clay can be significantly influenced by the pore solution chemistry, whereas that of the lo

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12

Wang, Huan, Tengjiao Liu, Chao Yan, and Jianqi Wang. "Expansive Soil Stabilization Using Alkali-Activated Fly Ash." Processes 11, no. 5 (2023): 1550. http://dx.doi.org/10.3390/pr11051550.

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Expansive soil swells with water and shrinks with water loss, causing serious safety problems for construction projects. This study emphasizes alkali-activated binder (NaOH excited fly ash) stabilized expansive soil. We found that swelling decreased with an increase in the amount of NaOH in alkali-activated binder. It was found that the alkali-activated binder stabilized expansive soils (AABS) had higher shear strength than untreated expansive soils (US), manifested by increased cohesion and friction angle. In AABS, the highest cohesion and the highest shear strength were found when the NaOH m

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13

Thajeel, Jawad K., Hussein A. Shaia, Sohaib K. Al-Mamoori, and Alaa D. Almurshedi. "Effect of Emulsified Asphalt on Expansive Soil Strength and Swelling." E3S Web of Conferences 427 (2023): 03009. http://dx.doi.org/10.1051/e3sconf/202342703009.

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Some clay soils classified as extended soils threaten the structures resting on them. Many additives are available to improve the properties of expanded soils. This study tries to investigate the consequences of wetting-drying cycles on the swelling behavior of modified expansive clayey soils under laboratory conditions by modifying expansive clayey soil samples using emulsified asphalt. Five different percentages of emulsified asphalt were used: (2, 4, 6, 8, and 10) %. The natural and treatment soils were tested for classification, specific gravity, compaction characteristics, free swell and

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14

Neethu, John, Nihal N. Mohamed, KS Niveditha, Das Renil, and Prakash J. Ridhick. "Alkali Interaction with Expansive and Non Expansive Soils." Applied Science and Engineering Journal for Advanced Research 4, no. 2 (2025): 8–14. https://doi.org/10.5281/zenodo.15107823.

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This research examines the interaction of alkali contaminants with both expansive and non-expansive soils, specifically black cotton soil and red soil, while assessing the effectiveness of sulphur and gypsum in restoring soil pH for geotechnical stability. Alkaline contamination, commonly caused by industrial effluents, construction activities, and agricultural practices, alters soil behavior by influencing its strength, swelling-shrinkage properties, and overall suitability for construction and infrastructure development. Laboratory experiments are conducted to evaluate the impact of alkalini

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15

Zhang, Shaowei, and Dongdong Li. "The Effects of Salt-Lake Salt Solution on the Strength of Expansive Soil." Geofluids 2022 (April 19, 2022): 1–8. http://dx.doi.org/10.1155/2022/2798281.

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Expansive soils are widely distributed and often cause serious damage to structures. Hanzhong expansive soil and Yulin salt-lake solution were adopted to investigate the effect of salt-lake salt solution on the strength of expansive soil. Expansive soils modified with salt-lake salt solutions with different concentrations (0.1, 0.5, and 1.0 mol/L) were evaluated by X-ray diffraction (XRD), Atterberg limit, free swelling, no load swelling ratio, and triaxial compression tests. The improved expansive soil research using salt-lake salt solution was carried out based on the macroscopic mechanical

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16

Zhang, Fuhai, Lei Zhang, and Wangxi Hong. "Stabilization of Expansive Soil with Polyvinyl Alcohol and Potassium Carbonate." Advances in Civil Engineering 2019 (November 14, 2019): 1–11. http://dx.doi.org/10.1155/2019/7032087.

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Expansive soils have great volume change potentials with water content changes, which is problematic to facilities. Great efforts have been spent on finding proper methods to stabilize expansive soils, but these stabilizers all had limitations. The Polyvinyl alcohol (PVA) and K2CO3 combination was proposed in this paper. Free swell tests, oedometric tests, unconfined compression tests, and direct shear tests were performed to investigate the effectiveness of the PVA and K2CO3 combination to control the volume change and increase the soil strength. Microstructures of the natural expansive soil

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17

Wei, Jianhu, Jianmeng Wei, Qijun Huang, Sheikh Mohd Iqbal Bin S. Zainal Abidin, and Zhenjie Zou. "Mechanism and Engineering Characteristics of Expansive Soil Reinforced by Industrial Solid Waste: A Review." Buildings 13, no. 4 (2023): 1001. http://dx.doi.org/10.3390/buildings13041001.

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Expansive soils exhibit detrimental swelling and shrinking characteristics in response to variations in water content, posing a threat to engineering safety. Utilizing industrial solid waste for improving the engineering properties of expansive soil presents a promising solution due to its low pollution and high recoverability. This paper reviews the progress of research on various industrial solid wastes in stabilizing expansive soil. The review comprehensively discusses the microscopic characteristics and mechanism of industrial solid waste-stabilized soils, as well as their impact on the co

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18

Al-Gharbawi, Ahmed S. A., Shaimaa M. AbdulRahman, and Amjad I. Fadhil. "Shear strength of soils stabilized with cement and cement with sugar." IOP Conference Series: Earth and Environmental Science 1507, no. 1 (2025): 012051. https://doi.org/10.1088/1755-1315/1507/1/012051.

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Abstract Problematic soils are occupied by many of the researchers to improve these soils. In Iraq, there are many types of problematic soils such as gypseous collapsible soil, expansive soil, soft clay soil, dune sand, etc. There was many of research to improve the load bearing capacity of these soils by using many types of treatments. In this study, expansive soil is used and tested using physical tests to investigate the effect of cement content and cement treated with sugar on the liquid limit, plastic limit, plasticity index maximum dry density, optimum moisture content, free swelling, an

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19

Hernandi, Safadzia, and Desiana Vidayanti. "Stabilization of Soft Soil with Rice Husk Ash on CBR Bearing Capacity and Soil Shear Strength Parameters." Jurnal Teknik Sipil dan Perencanaan 27, no. 1 (2025): 1–10. https://doi.org/10.15294/jtsp.v27i1/11397.

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Bekasi Regency generally has an area with soft clay soil conditions, recognized as problematic soil known as expansive clay. As large-scale construction continues in the region, geotechnical issues associated with these expansive soils have become a concern. Stabilizing with additives increased the soil’s bearing capacity and shear strength. The addition of agricultural waste material, rice husk ash (RHA), is intended to improve the soil through a pozzolanic reaction. This study examines soft soil's bearing capacity and shear strength value with 5%, 10%, and 15% rice husk ash. Index properties

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20

Priyam, Bhowmik, Ridwanul Hoque Md., and Samonta Susmita. "Stabilization of Expansive Soil by Using Fly Ash and Coir Fiber." Journal of Advances in Geotechnical Engineering 7, no. 3 (2024): 25–55. https://doi.org/10.5281/zenodo.13841417.

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<em>Expansive soil presents considerable difficulties in building and geotechnical engineering due to its adverse volume alterations in response to moisture fluctuations. This research examines the application of coir fiber and fly ash as stabilizers for expanding soils. Coir fiber, a natural and biodegradable substance, and fly ash, a byproduct of coal combustion, were evaluated for their capacity to mitigate soil expansion. Comprehensive soil samples obtained from the Korean Export Processing Zone (KEPZ) underwent laboratory analysis. Per USCS classification, the soil is categorized as inorg

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21

Adajar, Mary Ann, Jomari Tan, Allaina Bernice Ang, Miles Louis Lim, Kendrick Roy Seng, and Vince Patrick Sy. "Shear Strength and Durability of Expansive Soil Treated with Recycled Gypsum and Rice Husk Ash." Applied Sciences 14, no. 9 (2024): 3540. http://dx.doi.org/10.3390/app14093540.

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Expansive soil underlying structures pose a significant risk to the integrity of superstructures. Chemical soil stabilization can be used to strengthen soils due to the cost and impracticality of mechanical approaches. Waste materials such as recycled gypsum and rice husk ash have been considered alternatives because of their sustainable and economic advantages. A combination of these additives was used to address the high absorption of gypsum and the lack of cohesion of the pozzolan. The study assessed the short-term and long-term performance of expansive soil treated with recycled gypsum and

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22

Zeng, Zhao Tian, Hai Bo Lu, and Yan Lin Zhao. "Wetting-Drying Effect of Expansive Soils and its Influence on Slope Stability." Applied Mechanics and Materials 170-173 (May 2012): 889–93. http://dx.doi.org/10.4028/www.scientific.net/amm.170-173.889.

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The wetting-drying effect of expansive soils plays an important role in slope stability analysis. According to the depth of atmospheric effect and the field observation data of moisture content, laboratory experiments on the strength of expansive soil with two wetting-drying cycle amplitudes were performed to discuss on the wetting-drying effect of expansive soil. The results show that the shear strength of expansive soil decreases with increasing number of cycles and finally reaches to a constant state. The value and cycle number of the constant state reduce with increase of amplitude of vari

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23

Parihar, Niraj Singh, Rajesh Prasad Shukla, and Ashok Kumar Gupta. "Shear Strength of Medium Plastic Expansive Soil Reinforced with Polyester Fibers." Slovak Journal of Civil Engineering 26, no. 2 (2018): 1–8. http://dx.doi.org/10.2478/sjce-2018-0007.

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AbstractThis Expansive soils are very problematic as they are prone to substantial settlements, heave, and possess low bearing capacity. These soils cover more than 20% of the land cover of India and cause obstructions in the development of road networks, railways, and various other construction activities. They make soil stabilization essential. An investigation was carried out to determine the effect of various proportions of randomly-oriented polyester fibers on the shear strength of expansive soil. The unconfined compressive strength of reinforced soil was determined by incorporating four

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Nariman Hisham Halalo, Nariman Hisham Halalo. "Undrained Shear Behavior of Samples Disturbance of Unsaturated Expansive Clay Soils." Journal of engineering sciences and information technology 5, no. 1 (2021): 40–52. http://dx.doi.org/10.26389/ajsrp.l120820.

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Most Expansive Clay soils are sensitive to the disturbance in their internal structure as a result of the extraction of samples, because of the destruction in the natural soil structure. so a change in the properties of the expansive soil happens. This matter must be more precisely defined in the design of the foundations of engineering facilities. This paper presents a laboratory investigation of the influence of simulated sample disturbance on Shear Strength Parameters i.e. (internal friction angle and soil cohesion) by varying their plasticity and method of remolding samples using the direc

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Cai, Yi, and Mingxi Ou. "Experimental Study on Expansive Soil Improved by Lignin and Its Derivatives." Sustainability 15, no. 11 (2023): 8764. http://dx.doi.org/10.3390/su15118764.

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Expansive soil covers the vast area of Mengzi, Yunnan, China, and creates numerous hazards for construction projects. When treating expansive soil, a modifier is usually added to inhibit its expansion and increase its strength. Lignin and its derivatives can better meet the requirements of expansive soil treatment and have become the preferred choice to replace traditional inorganic modifiers. Lignin is a green and environmentally friendly physical improvement material. In this study, lignin was used to improve soil, alone and combined with its derivatives, and the physical and mechanical prop

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Cai, G. J., D. H. Song, L. L. Liu, X. Y. Liu, and H. L. Tian. "A Comprehensive Review of the Evaluation and Application of Engineering Properties of Expansive Soil Based on Piezocone Penetration Test (CPTU)." IOP Conference Series: Earth and Environmental Science 1337, no. 1 (2024): 012005. http://dx.doi.org/10.1088/1755-1315/1337/1/012005.

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Abstract Expansive soil presents several challenges in civil and geotechnical engineering because of its distinctive physical and mechanical properties, including considerable volumetric fluctuations, non-linear stress–strain behaviour, and high permeability. Owing to soil disturbances and sample size limitations during sampling, important parameters such as the expansive soil expansion force, compressive strength, and shear strength obtained through indoor experiments often cannot accurately reflect the values in situ. In this regard, in situ piezocone penetration testing has the advantages o

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Tayyiba, Sk Mohisina. "EXPERIMENTAL STUDY ON THE STABILIZATION OF EXPANSIVE SOIL USING PLASTIC WASTE." International Scientific Journal of Engineering and Management 04, no. 06 (2025): 1–9. https://doi.org/10.55041/isjem04556.

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ABSTRACT: Soil stabilization is a process which improves the physical properties of soil, such as increasing shear strength, bearing capacity, etc. Expansive soils are the type of soil whose volume changes with the change in water content. They have a behavior of swelling and shrinking that is a serious hazard to structures built over them. This study investigates an eco-friendly and cost-effective method to improve engineering properties of expansive soil through stabilization using recycled plastic bottle strips. The experimental program involves laboratory testing to evaluate engineering pr

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Gultom, R. P. W., and R. M. Simanjuntak. "Analysis of shear strength of the expansive soil stabilized with kaolin at various soaking times." IOP Conference Series: Earth and Environmental Science 878, no. 1 (2021): 012050. http://dx.doi.org/10.1088/1755-1315/878/1/012050.

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Abstract Expansive clay soils are high shrinkage soils that have low bearing capacity. So an effort is needed to reduce the nature of its swelling. One effort that can be done is the method of soil stabilization, where the soil is mixed with materials that can reduce soil swelling and increase the shear strength of the soil. One of the materials that can be used is kaolin powder. Kaolin is a stabilizing agent found in nature so it is easy to obtain. The purpose of this research is to analyse the decrease of expansive soil swelling and the value of its unconfined compression strength at various

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K., Suresh*1 and P.Suresh Kumar2. "EFFICACY OF TERRAZYME –A BIO ENZYME ON STRENGTH CHARACTERISTICS OF EXPANSIVE SOIL." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 2 (2018): 89–96. https://doi.org/10.5281/zenodo.1185094.

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In India vast area is occupied by black cotton soil mainly contains clay as chief constituent. They show minimal bearing capacity and low strength. These soils swell when comes in contact with water and shrink as they dry out. Engineers face problems with such type of soils, which do not posses sufficient strength to carry the imposed loads during construction and the life of the structure. Properties of the soil must be increased to achieve economy and to improve the performance of structure. Soil stabilization is the process of reducing undesirable behaviour of expansive soils. Conventional

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Chu, Chengfu, Fei Zhang, Daoxiang Wu, Meihuang Zhan, and Yun Liu. "Study on Mechanical Properties of the Expansive Soil Treated with Iron Tailings Sand." Advances in Civil Engineering 2021 (April 22, 2021): 1–11. http://dx.doi.org/10.1155/2021/9944845.

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Aiming at researching shear strength parameters of expansive soil modified by industrial waste iron tailings sand, the enhancement of expansive soil is explored from macroscopic and microscopic aspects. After characterization and testing by various means, the results show that expansive soil modified by iron tailings sand will increase the maximum dry density of the improved soil and reduce its optimal moisture content, which is beneficial in tuning the moisture content at the construction site. In addition, iron tailings sand can improve the shear strength of expansive soils. The influence of

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Oinam, Malemleima. "Experimental Study on the Stabilization of Expansive Soil using Gypsum Hemihydrate." International Journal for Research in Applied Science and Engineering Technology 13, no. 3 (2025): 490–98. https://doi.org/10.22214/ijraset.2025.67288.

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An expansive soil is a type of soil that expands or contracts as a direct consequence of variations in water volume. Expansive soils have low bearing capacity, large settlement, and excessive water absorbability as their physical properties. They have inadequate bearing capacity due to high water content, and causes consolidation settlement. This makes them problematic for civil engineering construction. Various issues in the buildings or construction projects may arise as a result of expansive soil’s swelling and contracting behaviour such as crucible damage to roads and walkways and other li

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Santhosh, Karakavalasa Sai, and B. Ramesh. "A Systematic Study to Strengthen the Sub Grade of the Pavement by Stabilization of Expansive Soil with Molasses and Jute Fibre." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 2234–43. http://dx.doi.org/10.22214/ijraset.2023.53897.

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Abstract: Expansive soils, commonly referred to as Black cotton soils (BC), possess undesirable engineering properties such as low bearing capacity and high compressibility. To address these challenges, various stabilizers have been used to enhance the strength of expansive soil, including jute fiber and molasses. This thesis focuses on investigating the effects of incorporating jute fiber as a stabilizer and molasses as an additive to improve the properties of expansive soil. The objectives of this study are to enhance the shear strength of expansive soil by blending jute fiber and molasses m

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Ahlinhan, Marx Ferdinand, Orphée Joel Dansou, Bidossessi Dorothée Djenou, Léonard Sounouvou, and Edmond Codjo Adjovi. "Swelling and Shrinkage Performance of Expansive Soils under Repeated Moisture Variations." Current Journal of Applied Science and Technology 44, no. 4 (2025): 91–110. https://doi.org/10.9734/cjast/2025/v44i44517.

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Expansive soils increase in volume when they absorb water and contract as they dry out. This continuous variation in volume can cause uneven settlement, leading to cracks in light structures. The expansive soils under lightly loaded constructions, such as light buildings, pavements, are subjected to almost two cyclic shrink-swell per annum in the tropical zone due to the seasonal climatic variation. Expansive clay soils, characterized by high concentrations of montmorillonite, smectite, or other clay minerals, tend to shrink and swell with changes in moisture content. These volume changes can

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Abdulla, Rozan, and Nadhmiah Majeed. "Enhancing Engineering Properties of Expansive Soil Using Marble Waste Powder." Iraqi Geological Journal 54, no. 1E (2021): 43–53. http://dx.doi.org/10.46717/igj.54.1e.4ms-2021-05-25.

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Owing to its propensity to swell when in contact with water, expansive soil causes severe structural problems and shrinks when they dry out. Soil stabilization is a well-known method used to enhance the soil's physical and engineering properties and is commonly adopted for improving soil structures. The mechanical stabilization of different soils is evaluated by adding varying proportions of marble dust (10, 20, 30 percent) of Penjwen, Said Sadiq and Pirmam marble waste powder) to expansive soil. Shear strength and consolidation parameters, such as void ratio, compression index, and sample swe

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Abdalla, Tavga Aram, and Nihad Bahaaldeen Salih. "Hydrated Lime Effects on Geotechnical Properties of Clayey Soil." Journal of Engineering 26, no. 11 (2020): 150–69. http://dx.doi.org/10.31026/j.eng.2020.11.10.

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Cohesive soils present difficulties in construction projects because it usually contains expansive clay minerals. However, the engineering properties of cohesive soils can be stabilized by using various techniques. The research aims to elaborate on the influences of using hydrated lime on the consistency, compaction, and shear strength properties of clayey soil samples from Sulaimnai city, northern Iraq. The proportions of added hydrated lime are 0%, 2.5%, 5%, 7.5% and 10% to the natural soil sample. The results yielded considerable effects of hydrated lime on the engineering properties of the

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Igwe, Ogbonnaya, and E. Illoabachie David. "THE POTENTIAL EFFECT OF GRANITE DUST ON THE GEOTECHNICAL PROPERTIES OF ABAKALIKI CLAYS." Continental J. Earth Sciences 6, no. 1 (2011): 23–30. https://doi.org/10.5281/zenodo.833408.

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The geotechnical properties of the Abakaliki clay soils and its response to granite treatment were investigated. The product of this treatment has been studied in this work to determine its engineering properties and potentials for use in engineering construction. Abakaliki and its environs are underlain by lateritic soils as well as marine shales, clays and sandstones of the Asu River and Ezeaku Groups. Geotechnical investigations for determination of the characteristics of clay soils in Abakaliki include chemical analysis of the clay soil and granite to determine their mutual reactions, as w

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ZADA, UMAR, Kashif Haleem, and Asim Abbas. "Re-utilization of Stone Industry Waste Materials for Stabilization of Expansive Soil." NUST Journal of Engineering Sciences 14, no. 2 (2022): 61–65. http://dx.doi.org/10.24949/njes.v14i2.670.

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This research paper depicts the experimental investigation of the impact of stone dust as an admixture on the geotechnical characteristics of expansive soils that shrink and swell during the wet and dry seasons. As a result, expansive soil causes the differential settlement of structures. Thus the stabilization of expansive soil is important to overcome potential pavement failure. For this purpose research studies were carried out on the reuse of stone industry wastage for the improvement of expansive soil. Also, this research is beneficial to utilize the stone dust waste for strengthening the

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Santos, Valteson da Silva, Allan B. Silva de Medeiros, Romário S. Amaro da Silva, Olava F. Santos, Osvaldo de Freitas Neto, and Bruna Silveira Lira. "Influence of the structure on the collapse potential and shear strength of a residual soil in the semiarid region of Northeast Brazil." MATEC Web of Conferences 337 (2021): 01003. http://dx.doi.org/10.1051/matecconf/202133701003.

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In the last decades, several engineering works have been developed in the Northeast of Brazil, a region marked by the occurrence of collapsible and expansive soils. This work aimed to characterize and study the behavior of two samples of residual soils collected in the municipality of Salgueiro-PE regarding their collapse potentials and shear strength parameters, in natural and disturbed conditions, evaluating the influence of the applied vertical stresses and the structural arrangement in these properties. The results obtained showed that the two samples analyzed show collapsible behavior, ho

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Pandey, Vikram. "Stabilization of Soil Sub-grade Using GSB Material for Construction of Pavement." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 01 (2025): 1–9. https://doi.org/10.55041/ijsrem40995.

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The construction of roads often necessitates soil stabilization in the sub-base and sub-grade regions when the soil exhibits poor strength due to softness, swelling, or low shear strength. While compaction can enhance many soils, it may not be sufficient for expansive soils, which necessitate the use of stabilizing agents, especially when dealing with weak or expansive soils. A crucial parameter in pavement design is the California Bearing Ratio (CBR), which measures soil strength. This study aimed to enhance CBR values by incorporating granular Sub-Base (GSB) material. Laboratory tests were c

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Gupta, Pragya, and Ushendra Kumar. "Modifying Expansive Soil Characteristics with Xanthan Biopolymer Integration." International Journal for Research in Applied Science and Engineering Technology 12, no. 5 (2024): 2626–36. http://dx.doi.org/10.22214/ijraset.2024.62193.

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Abstract: Expansive soils pose significant challenges in various engineering projects due to their tendency to swell and shrink with changes in moisture content. Traditional stabilization methods often come with environmental and economic drawbacks. This research paper explores the potential of xanthan biopolymer, a polysaccharide of microbial origin (Xanthomonas Campestris), as a sustainable and effective alternative for altering the engineering properties of expansive soils. Through laboratory experiments and analysis, the paper investigates the influence of xanthan biopolymer on key soil pr

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Suhendra, Andryan, Riza Ainul Hakim Suwondo, and Natalia Vincensia. "Impact of Shear Strength Degradation on Raft Foundation Performance in Clay Shale." Engineering, Technology & Applied Science Research 14, no. 5 (2024): 16854–59. http://dx.doi.org/10.48084/etasr.8212.

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The construction of structures on clay shale soils presents significant challenges due to the soils' propensity for water absorption and associated volumetric changes. These problematic soils are characterized by weak bond structures and expansive clay minerals that can lead to severe structural damage and foundation instability. This study investigates the performance of raft foundations under varying conditions of shear strength degradation and different thicknesses of degraded clay shale layers. The study employs numerical simulations using the finite element software PLAXIS 3D, which allow

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Wu, Jun-Hua, Wei-Chao Ao, Mao-Sheng Wang, Jia-Ming Liu, and Fang-Yuan Fu. "Strength and Expansion and Deformation Characteristics of Modified Expansive Soil by Octadecylamine." Advances in Civil Engineering 2021 (August 30, 2021): 1–15. http://dx.doi.org/10.1155/2021/9959498.

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Octadecylamine was used as a primary water repellent and mixed into the remodeled expansive soil, and modified expansive soils with different water contents and octadecylamine contents were configured. The water repellency level of the modified expansive soil was determined by the drip penetration time method, the corresponding free, unloaded, and loaded swelling rate tests were carried out, and the law of the influence of octadecylamine content and water content on the expansion and deformation of expansive soil was obtained. It can be shown that the modified expansive soil with an octadecyla

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Ali, Al-Baidhani, and Al-Taie Abbas. "Review of Brick Waste in Expansive Soil Stabilization and Other Civil Engineering Applications." Journal of Geotechnical Studies (e-ISSN: 2581-9763) 4, no. 3 (2019): 14–23. https://doi.org/10.5281/zenodo.3459235.

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The expansive clay soils are spread in a large area all over the world. They are one of the predominated problematic soils which can change their volume and loss their shear strength when they exposed to water. Several methods have been used to mitigate the negative effects of expansive soil on civil engineering structures and constructions. Different materials have been applied in these stabilization methods (physical or chemical stabilization). Wastes from construction and demolition of the buildings are among these materials that used as soil stabilizer agents. This paper presents a critica

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Al-Neami, Mohammed A., and Maha H. Nsaif. "Remediation of Expansive Soils Utilizing Waste Glass Powder." IOP Conference Series: Earth and Environmental Science 1374, no. 1 (2024): 012027. http://dx.doi.org/10.1088/1755-1315/1374/1/012027.

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Abstract Some types of plastic clay swell significantly when water comes into contact with them and then suffer from shrinkage when they lose water. Buildings built on such soil are exposed to many problems due to the increased uplift forces on the foundation generated by the swell. Traditional methods of stabilizing these soils are costly; therefore, recycled materials are introduced as alternative solutions to enhance the problematic soil due to their low in cost and reasonable engineering properties. In this study, five percentages of waste glass powder WGP (3, 6, 9, 12, and 15%) were mixed

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Rachmansyah, A., L. Darmiyanti, R. Kusumaningrum, and Harimurti. "Expansive Soil Improvement Using Electrochemical Injection." IOP Conference Series: Earth and Environmental Science 1249, no. 1 (2023): 012039. http://dx.doi.org/10.1088/1755-1315/1249/1/012039.

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Abstract According to the Geological Map of Indonesia, the distribution of espansive soils in Indonesia, especially in Sumatra and Java, is very large. These soils, which have the mineralogy of illite, kaolite and montmorillonite, are known to have very high growth properties that affect the bearing capacity of the soil. Due to the mineralization nature, swollen soil is easy to retain water during the rainy season, leading to swelling and conversely, it is easy to shrink in summer. Therefore, Indonesia with its hot and rainy season has a great influence on the land expansive. Along with the in

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IDOUI, Imane, souhila rehab BEKKOUCHE, Riad BENZAID, and Inas BERDI. "Stabilization of Expansive Soil Mixture Using Human Hair Fibre (Biopolymer)." Civil and Environmental Engineering Reports 34, no. 2 (2024): 63–75. http://dx.doi.org/10.59440/ceer/188496.

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Expansive soils sensitivity to volumetric change is one of the well-known challenges in the field of geotechnical engineering. Various attempts have been made by researchers to solve this problem. Current research presents the effect of human hair fibers on the behavior of expensive soils. A reconstituted soil of 80% kaolin as raw material and 20% bentonite with different percentages of human hair (0%, 0.5%, 1%, 1.5% and 2%) was used. The microstructure of the formulations was characterized by studying the interactions between soil and human hair using scanning electron microscopy (SEM). The m

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Chang, Jin, Jieling Ma, and Xianyuan Tang. "Study on Strength Attenuation Characteristics of Residual Expansive Soil under Wetting-Drying Cycles and Low Stress and Its Relationship with Shallow Landslide." Geofluids 2022 (September 14, 2022): 1–10. http://dx.doi.org/10.1155/2022/6277553.

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The rapid development of expansive soil fissures and the attenuation of strength under the action of repeated atmospheric wetting-drying cycles have a very adverse impact on the shallow stability of expansive soil slope. In this study, shear strength test and fissure observation test were performed on typical residual expansive soil specimens at various wetting-drying cycles and low stress. The results show that the shear strength index of residual expansive soil should be obtained according to the high and low stress sections, respectively. The cohesion of the three residual expansive soils d

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Al-Kalili, Ahmed, Ahmed S. Ali, and Abbas J. Al-Taie. "A Review on Expansive Soils Stabilized with Different Pozzolanic Materials." Journal of Engineering 28, no. 1 (2022): 1–18. http://dx.doi.org/10.31026/j.eng.2022.01.01.

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Soils that cause effective damages to engineer structures (such as pavement and foundation) are called problematic or difficult soils (include collapsible soil, expansive soil, etc.). These damages occur due to poor or unfavorited engineering properties, such as low shear strength, high compressibility, high volume changes, etc. In the case of expansive soil, the problem of the shrink-swell phenomenon, when the soil reacts with water, is more pronounced. To overcome such problems, soils can be treated or stabilized with many stabilization ways (mechanical, chemical, etc.). Such ways can amend

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Jitendra, Nayak*1 &. Tapas Singh2. "AN EXPERIMENTAL STUDY ON MODIFICATION OF GEOTECHNICAL PROPERTIES OF EXPANSIVE SOIL THROUGH INORGANIC CHEMICALS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 12 (2017): 7–11. https://doi.org/10.5281/zenodo.1084119.

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Construction of foundation and other civil engineering structures on weak or soft soil involves risk due to the susceptibility of high compressive and poor shear strength. In the constructions of   foundation on soft soils, the subsoil needs to have adequate bearing capacity and shear strength to prevent unnecessary differential settlements and shear failure of the substructure. If the bearing capacity and shear strength is insufficient, it can be increased by replacing good soil in place of bad soil, which involves high financial aspects or improve the properties of existing soil by

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Han, Shaoyang, Baotian Wang, Marte Gutierrez, Yibo Shan, and Yijiang Zhang. "Laboratory Study on Improvement of Expansive Soil by Chemically Induced Calcium Carbonate Precipitation." Materials 14, no. 12 (2021): 3372. http://dx.doi.org/10.3390/ma14123372.

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This paper proposes the use of calcium carbonate (CaCO3) precipitation induced by the addition of calcium chloride (CaCl2) and sodium carbonate (Na2CO3) solutions as a procedure to stabilize and improve expansive soil. A set of laboratory tests, including the free swell test, unloaded swelling ratio test, unconfined compression test, direct shear test, scanning electron microscopy (SEM) test, cyclic wetting–drying test and laboratory-scale precipitation model test, were performed under various curing periods to evaluate the performance of the CaCO3 stabilization. It is concluded from the free

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